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Nechaeva T, Verra L, Pucek J, Ranc L, Bergamaschi M, Zevi Della Porta G, Muggli P, Agnello R, Ahdida CC, Amoedo C, Andrebe Y, Apsimon O, Apsimon R, Arnesano JM, Bencini V, Blanchard P, Burrows PN, Buttenschön B, Caldwell A, Chung M, Cooke DA, Davut C, Demeter G, Dexter AC, Doebert S, Farmer J, Fasoli A, Fonseca R, Furno I, Granados E, Granetzny M, Graubner T, Grulke O, Gschwendtner E, Guran E, Henderson J, Kedves MÁ, Kim SY, Kraus F, Krupa M, Lefevre T, Liang L, Liu S, Lopes N, Lotov K, Martinez Calderon M, Mazzoni S, Moon K, Morales Guzmán PI, Moreira M, Okhotnikov N, Pakuza C, Pannell F, Pardons A, Pepitone K, Poimenidou E, Pukhov A, Rey S, Rossel R, Saberi H, Schmitz O, Senes E, Silva F, Silva L, Spear B, Stollberg C, Sublet A, Swain C, Topaloudis A, Torrado N, Turner M, Velotti F, Verzilov V, Vieira J, Welsch C, Wendt M, Wing M, Wolfenden J, Woolley B, Xia G, Yarygova V, Zepp M. Hosing of a Long Relativistic Particle Bunch in Plasma. Phys Rev Lett 2024; 132:075001. [PMID: 38427892 DOI: 10.1103/physrevlett.132.075001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 01/16/2024] [Indexed: 03/03/2024]
Abstract
Experimental results show that hosing of a long particle bunch in plasma can be induced by wakefields driven by a short, misaligned preceding bunch. Hosing develops in the plane of misalignment, self-modulation in the perpendicular plane, at frequencies close to the plasma electron frequency, and are reproducible. Development of hosing depends on misalignment direction, its growth on misalignment extent and on proton bunch charge. Results have the main characteristics of a theoretical model, are relevant to other plasma-based accelerators and represent the first characterization of hosing.
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Affiliation(s)
- T Nechaeva
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - L Verra
- CERN, 1211 Geneva 23, Switzerland
| | - J Pucek
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - L Ranc
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - M Bergamaschi
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - G Zevi Della Porta
- Max Planck Institute for Physics, 80805 Munich, Germany
- CERN, 1211 Geneva 23, Switzerland
| | - P Muggli
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - R Agnello
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | | | - C Amoedo
- CERN, 1211 Geneva 23, Switzerland
| | - Y Andrebe
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | - O Apsimon
- University of Manchester M13 9PL, Manchester M13 9PL, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | - R Apsimon
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | | | - V Bencini
- CERN, 1211 Geneva 23, Switzerland
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
| | - P Blanchard
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | - P N Burrows
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
| | - B Buttenschön
- Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
| | - A Caldwell
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - M Chung
- UNIST, Ulsan 44919, Republic of Korea
| | | | - C Davut
- University of Manchester M13 9PL, Manchester M13 9PL, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | - G Demeter
- Wigner Research Centre for Physics, 1121 Budapest, Hungary
| | - A C Dexter
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | | | - J Farmer
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - A Fasoli
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | - R Fonseca
- ISCTE - Instituto Universitéario de Lisboa, 1049-001 Lisbon, Portugal
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - I Furno
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | | | - M Granetzny
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - T Graubner
- Philipps-Universität Marburg, 35032 Marburg, Germany
| | - O Grulke
- Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
- Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | | | - E Guran
- CERN, 1211 Geneva 23, Switzerland
| | - J Henderson
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- STFC/ASTeC, Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
| | - M Á Kedves
- Wigner Research Centre for Physics, 1121 Budapest, Hungary
| | - S-Y Kim
- CERN, 1211 Geneva 23, Switzerland
- UNIST, Ulsan 44919, Republic of Korea
| | - F Kraus
- Philipps-Universität Marburg, 35032 Marburg, Germany
| | - M Krupa
- CERN, 1211 Geneva 23, Switzerland
| | | | - L Liang
- University of Manchester M13 9PL, Manchester M13 9PL, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | - S Liu
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - N Lopes
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - K Lotov
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | | | - K Moon
- UNIST, Ulsan 44919, Republic of Korea
| | | | - M Moreira
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - N Okhotnikov
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | - C Pakuza
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
| | | | | | - K Pepitone
- Angstrom Laboratory, Department of Physics and Astronomy, 752 37 Uppsala, Sweden
| | | | - A Pukhov
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
- Heinrich-Heine-Universität Düsseldorf, 40225 Düsseldorf, Germany
| | - S Rey
- CERN, 1211 Geneva 23, Switzerland
| | - R Rossel
- CERN, 1211 Geneva 23, Switzerland
| | - H Saberi
- University of Manchester M13 9PL, Manchester M13 9PL, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | - O Schmitz
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - E Senes
- CERN, 1211 Geneva 23, Switzerland
| | - F Silva
- INESC-ID, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - L Silva
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - B Spear
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
| | - C Stollberg
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | - A Sublet
- CERN, 1211 Geneva 23, Switzerland
| | - C Swain
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | | | - N Torrado
- CERN, 1211 Geneva 23, Switzerland
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - M Turner
- CERN, 1211 Geneva 23, Switzerland
| | | | - V Verzilov
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - J Vieira
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - C Welsch
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - M Wendt
- CERN, 1211 Geneva 23, Switzerland
| | - M Wing
- UCL, London WC1 6BT, United Kingdom
| | - J Wolfenden
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | | | - G Xia
- University of Manchester M13 9PL, Manchester M13 9PL, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | - V Yarygova
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | - M Zepp
- University of Wisconsin, Madison, Wisconsin 53706, USA
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Souza VGP, Forder A, Pewarchuk ME, Telkar N, de Araujo RP, Stewart GL, Vieira J, Reis PP, Lam WL. The Complex Role of the Microbiome in Non-Small Cell Lung Cancer Development and Progression. Cells 2023; 12:2801. [PMID: 38132121 PMCID: PMC10741843 DOI: 10.3390/cells12242801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
In recent years, there has been a growing interest in the relationship between microorganisms in the surrounding environment and cancer cells. While the tumor microenvironment predominantly comprises cancer cells, stromal cells, and immune cells, emerging research highlights the significant contributions of microbial cells to tumor development and progression. Although the impact of the gut microbiome on treatment response in lung cancer is well established, recent investigations indicate complex roles of lung microbiota in lung cancer. This article focuses on recent findings on the human lung microbiome and its impacts in cancer development and progression. We delve into the characteristics of the lung microbiome and its influence on lung cancer development. Additionally, we explore the characteristics of the intratumoral microbiome, the metabolic interactions between lung tumor cells, and how microorganism-produced metabolites can contribute to cancer progression. Furthermore, we provide a comprehensive review of the current literature on the lung microbiome and its implications for the metastatic potential of tumor cells. Additionally, this review discusses the potential for therapeutic modulation of the microbiome to establish lung cancer prevention strategies and optimize lung cancer treatment.
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Affiliation(s)
- Vanessa G. P. Souza
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Molecular Oncology Laboratory, Experimental Research Unit, School of Medicine, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil (P.P.R.)
| | - Aisling Forder
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
| | | | - Nikita Telkar
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- British Columbia Children’s Hospital Research Institute, Vancouver, BC V5Z 4H4, Canada
| | - Rachel Paes de Araujo
- Molecular Oncology Laboratory, Experimental Research Unit, School of Medicine, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil (P.P.R.)
| | - Greg L. Stewart
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
| | - Juliana Vieira
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
| | - Patricia P. Reis
- Molecular Oncology Laboratory, Experimental Research Unit, School of Medicine, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil (P.P.R.)
- Department of Surgery and Orthopedics, Faculty of Medicine, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil
| | - Wan L. Lam
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
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Farias Z, Sousa J, Faria C, Vieira J, Sobral A, Silveira M. Pulpal calcifications in orthodontically moved teeth: Scoping review. J Clin Exp Dent 2023; 15:e773-e780. [PMID: 37799748 PMCID: PMC10550074 DOI: 10.4317/jced.60777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/29/2023] [Indexed: 10/07/2023] Open
Abstract
Background The application of forces during orthodontic treatment can induce pulpal calcifications, characterized by the deposition of mineralized tissue in the pulp cavity space, there may be repercussions on dental procedures, especially endodontic treatment. The objective of this article is to map the scientific evidence and any gaps in knowledge regarding the relationship between orthodontics and dental pulp calcifications. Material and Methods The study comprised a scoping review whose guiding question was: "What is the scientific evidence of the association between pulpal calcifications and orthodontic treatment?" Two independent reviewers searched the PubMed, Scopus, and Web of Science databases and the grey literature. Original articles and observational and clinical trials, which addressed the repercussions on the pulp cavity of teeth submitted to orthodontic treatment, were included. There was no language restriction or limitation of the year of publication until October 2022. Results After critical reading and applying the eligibility criteria, 11 studies were included in this scoping review: six observational and five experimental studies. A statistically significant association of orthodontic treatment with changes in pulp cavity volume and increased incidence of pulp stones was observed among the studies findings. Conclusions The orthodontic force can promote changes in the dental pulp that may cause direct implications in other dental treatments, especially endodontic treatment. Key words:Dental pulp calcifications, pulp node, pulp obliteration, orthodontic treatment, orthodontics.
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Affiliation(s)
- Zilda Farias
- PhD student, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of Pernambuco (UPE), Recife, Brazil
| | - Juliana Sousa
- PhD student, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of Pernambuco (UPE), Recife, Brazil
| | - Caroline Faria
- PhD student, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of Pernambuco (UPE), Recife, Brazil
| | - Juliana Vieira
- PhD student, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of Pernambuco (UPE), Recife, Brazil
| | - Ana Sobral
- Associate Professor, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of Pernambuco (UPE), Recife, Brazil
| | - Marcia Silveira
- Associate Professor, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of Pernambuco (UPE), Recife, Brazil
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Battipaglia G, Kabala JP, Pacheco-Solana A, Niccoli F, Bräuning A, Campelo F, Cufar K, de Luis M, De Micco V, Klisz M, Koprowski M, Garcia-Gonzalez I, Nabais C, Vieira J, Wrzesiński P, Zafirov N, Cherubini P. Intra-annual density fluctuations in tree rings are proxies of air temperature across Europe. Sci Rep 2023; 13:12294. [PMID: 37516810 PMCID: PMC10387074 DOI: 10.1038/s41598-023-39610-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 07/27/2023] [Indexed: 07/31/2023] Open
Abstract
Intra-Annual Density Fluctuations (IADFs) are an important wood functional trait that determine trees' ability to adapt to climatic changes. Here, we use a large tree-ring database of 11 species from 89 sites across eight European countries, covering a climatic gradient from the Mediterranean to northern Europe, to analyze how climate variations drive IADF formation. We found that IADF occurrence increases nonlinearly with ring width in both gymnosperms and angiosperms and decreases with altitude and age. Recently recorded higher mean annual temperatures facilitate the formation of IADFs in almost all the studied species. Precipitation plays a significant role in inducing IADFs in species that exhibit drought tolerance capability, and a growth pattern known as bimodal growth. Our findings suggest that species with bimodal growth patterns growing in western and southern Europe will form IADFs more frequently, as an adaptation to increasing temperatures and droughts.
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Affiliation(s)
- G Battipaglia
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania 'L. Vanvitelli', Via Vivaldi 43, 81100, Caserta, Italy.
| | - J P Kabala
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania 'L. Vanvitelli', Via Vivaldi 43, 81100, Caserta, Italy
| | - A Pacheco-Solana
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania 'L. Vanvitelli', Via Vivaldi 43, 81100, Caserta, Italy
- The Earth Institute, Tree-Ring Laboratory, Lamont-Doherty Earth Observatory of Columbia University, New York, 10964, USA
| | - F Niccoli
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania 'L. Vanvitelli', Via Vivaldi 43, 81100, Caserta, Italy
| | - A Bräuning
- Institute of Geography, Friedirich-Alexander University Erlangen-Nürnberg, Wetterkreuz 15, 91058, 91054, Erlangen, Bavaria, Germany
| | - F Campelo
- Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - K Cufar
- Department of Wood Science and Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva Ulica 101, 1000, Ljubljana, Slovenia
| | - M de Luis
- Department of Geography and Regional Planning. Environmental Sciences Institute (IUCA), University of Zaragoza, Calle Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - V De Micco
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055, Portici, Italy
| | - M Klisz
- Dendrolab IBL, Department of Silviculture and Forest Tree Genetics, Forest Research Institute, Braci Leśnej 3, Sękocin Stary, 05-090, Raszyn, Poland
| | - M Koprowski
- Department of Ecology and Biogeography, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Ul. Lwowska 1, 87-100, Torun, Poland
| | - I Garcia-Gonzalez
- BIOAPLIC, Departamento de Botánica, EPSE, Universidade de Santiago de Compostela, Campus Terra, 27002, Lugo, Spain
| | - C Nabais
- Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - J Vieira
- Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
- ForestWISE, Collaborative Laboratory for Integrated Forest and Fire Management, Quinta de Prados, 5001-801, Vila Real, Portugal
| | - P Wrzesiński
- Dendrolab IBL, Department of Silviculture and Forest Tree Genetics, Forest Research Institute, Braci Leśnej 3, Sękocin Stary, 05-090, Raszyn, Poland
| | - N Zafirov
- Department of Plant Pathology and Chemistry, University of Forestry, Sofia, Bulgaria
| | - P Cherubini
- Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, 8903, Birmensdorf, Switzerland
- Department of Forest and Conservation Sciences, Faculty of Forestry, University of British Columbia, 2004-2424 Main Mall, Vancouver, BC, V6T 1Z4, Canada
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Wagner SK, Liefers B, Radia M, Zhang G, Struyven R, Faes L, Than J, Balal S, Hennings C, Kilduff C, Pooprasert P, Glinton S, Arunakirinathan M, Giannakis P, Braimah IZ, Ahmed ISH, Al-Feky M, Khalid H, Ferraz D, Vieira J, Jorge R, Husain S, Ravelo J, Hinds AM, Henderson R, Patel HI, Ostmo S, Campbell JP, Pontikos N, Patel PJ, Keane PA, Adams G, Balaskas K. Development and international validation of custom-engineered and code-free deep-learning models for detection of plus disease in retinopathy of prematurity: a retrospective study. Lancet Digit Health 2023; 5:e340-e349. [PMID: 37088692 PMCID: PMC10279502 DOI: 10.1016/s2589-7500(23)00050-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 01/08/2023] [Accepted: 02/14/2023] [Indexed: 04/25/2023]
Abstract
BACKGROUND Retinopathy of prematurity (ROP), a leading cause of childhood blindness, is diagnosed through interval screening by paediatric ophthalmologists. However, improved survival of premature neonates coupled with a scarcity of available experts has raised concerns about the sustainability of this approach. We aimed to develop bespoke and code-free deep learning-based classifiers for plus disease, a hallmark of ROP, in an ethnically diverse population in London, UK, and externally validate them in ethnically, geographically, and socioeconomically diverse populations in four countries and three continents. Code-free deep learning is not reliant on the availability of expertly trained data scientists, thus being of particular potential benefit for low resource health-care settings. METHODS This retrospective cohort study used retinal images from 1370 neonates admitted to a neonatal unit at Homerton University Hospital NHS Foundation Trust, London, UK, between 2008 and 2018. Images were acquired using a Retcam Version 2 device (Natus Medical, Pleasanton, CA, USA) on all babies who were either born at less than 32 weeks gestational age or had a birthweight of less than 1501 g. Each images was graded by two junior ophthalmologists with disagreements adjudicated by a senior paediatric ophthalmologist. Bespoke and code-free deep learning models (CFDL) were developed for the discrimination of healthy, pre-plus disease, and plus disease. Performance was assessed internally on 200 images with the majority vote of three senior paediatric ophthalmologists as the reference standard. External validation was on 338 retinal images from four separate datasets from the USA, Brazil, and Egypt with images derived from Retcam and the 3nethra neo device (Forus Health, Bengaluru, India). FINDINGS Of the 7414 retinal images in the original dataset, 6141 images were used in the final development dataset. For the discrimination of healthy versus pre-plus or plus disease, the bespoke model had an area under the curve (AUC) of 0·986 (95% CI 0·973-0·996) and the CFDL model had an AUC of 0·989 (0·979-0·997) on the internal test set. Both models generalised well to external validation test sets acquired using the Retcam for discriminating healthy from pre-plus or plus disease (bespoke range was 0·975-1·000 and CFDL range was 0·969-0·995). The CFDL model was inferior to the bespoke model on discriminating pre-plus disease from healthy or plus disease in the USA dataset (CFDL 0·808 [95% CI 0·671-0·909, bespoke 0·942 [0·892-0·982]], p=0·0070). Performance also reduced when tested on the 3nethra neo imaging device (CFDL 0·865 [0·742-0·965] and bespoke 0·891 [0·783-0·977]). INTERPRETATION Both bespoke and CFDL models conferred similar performance to senior paediatric ophthalmologists for discriminating healthy retinal images from ones with features of pre-plus or plus disease; however, CFDL models might generalise less well when considering minority classes. Care should be taken when testing on data acquired using alternative imaging devices from that used for the development dataset. Our study justifies further validation of plus disease classifiers in ROP screening and supports a potential role for code-free approaches to help prevent blindness in vulnerable neonates. FUNDING National Institute for Health Research Biomedical Research Centre based at Moorfields Eye Hospital NHS Foundation Trust and the University College London Institute of Ophthalmology. TRANSLATIONS For the Portuguese and Arabic translations of the abstract see Supplementary Materials section.
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Affiliation(s)
- Siegfried K Wagner
- NIHR Moorfields Biomedical Research Centre, London, UK; Institute of Ophthalmology, University College London, London, UK; Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Bart Liefers
- NIHR Moorfields Biomedical Research Centre, London, UK
| | - Meera Radia
- Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Gongyu Zhang
- NIHR Moorfields Biomedical Research Centre, London, UK
| | - Robbert Struyven
- NIHR Moorfields Biomedical Research Centre, London, UK; Institute of Ophthalmology, University College London, London, UK; Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Livia Faes
- NIHR Moorfields Biomedical Research Centre, London, UK; Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Jonathan Than
- Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Shafi Balal
- Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | | | | | | | | | | | - Periklis Giannakis
- Institute of Health Sciences Education, Queen Mary University of London, London, UK
| | - Imoro Zeba Braimah
- Lions International Eye Centre, Korle-Bu Teaching Hospital, Accra, Ghana
| | - Islam S H Ahmed
- Faculty of Medicine, Alexandria University, Alexandria, Egypt; Alexandria University Hospital, Alexandria, Egypt
| | - Mariam Al-Feky
- Department of Ophthalmology, Ain Shams University Hospitals, Cairo, Egypt; Watany Eye Hospital, Cairo, Egypt
| | - Hagar Khalid
- Moorfields Eye Hospital NHS Foundation Trust, London, UK; Department of Ophthalmology, Tanta University, Tanta, Egypt
| | - Daniel Ferraz
- Institute of Ophthalmology, University College London, London, UK; D'Or Institute for Research and Education, São Paulo, Brazil
| | - Juliana Vieira
- Department of Ophthalmology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Rodrigo Jorge
- Department of Ophthalmology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Shahid Husain
- The Blizard Institute, Queen Mary University of London, London, UK; Neonatology Department, Homerton University Hospital NHS Foundation Trust, London, UK
| | - Janette Ravelo
- Neonatology Department, Homerton University Hospital NHS Foundation Trust, London, UK
| | | | - Robert Henderson
- UCL Great Ormond Street Institute of Child Health, University College London, London, UK; Clinical and Academic Department of Ophthalmology, Great Ormond Street Hospital for Children, London, UK
| | - Himanshu I Patel
- Moorfields Eye Hospital NHS Foundation Trust, London, UK; The Royal London Hospital, Barts Health NHS Trust, London, UK
| | - Susan Ostmo
- Department of Ophthalmology, Oregon Health & Science University, Portland, OR, USA
| | - J Peter Campbell
- Department of Ophthalmology, Oregon Health & Science University, Portland, OR, USA
| | - Nikolas Pontikos
- NIHR Moorfields Biomedical Research Centre, London, UK; Institute of Ophthalmology, University College London, London, UK; Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Praveen J Patel
- NIHR Moorfields Biomedical Research Centre, London, UK; Institute of Ophthalmology, University College London, London, UK; Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Pearse A Keane
- NIHR Moorfields Biomedical Research Centre, London, UK; Institute of Ophthalmology, University College London, London, UK; Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Gill Adams
- NIHR Moorfields Biomedical Research Centre, London, UK; Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Konstantinos Balaskas
- NIHR Moorfields Biomedical Research Centre, London, UK; Institute of Ophthalmology, University College London, London, UK; Moorfields Eye Hospital NHS Foundation Trust, London, UK.
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Varandas C, Vieira J, Correia CJ, Paulino M, Spínola Santos A, Lopes A, Lopes Da Silva S, Pedro E, Caiado J. Hypersensitivity reactions to iron products: 10-year experience in a Portuguese tertiary Centre. Eur Ann Allergy Clin Immunol 2023. [PMID: 36927853 DOI: 10.23822/eurannaci.1764-1489.290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- C Varandas
- Department of Immunoallergology, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Lisboa, Lisbon, Portugal
| | - J Vieira
- Department of Immunoallergology, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Lisboa, Lisbon, Portugal
| | - C J Correia
- Department of Immunohemotherapy, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
| | - M Paulino
- Department of Immunoallergology, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Lisboa, Lisbon, Portugal
| | - A Spínola Santos
- Department of Immunoallergology, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Lisboa, Lisbon, Portugal.,Immunoallergology University Clinic, Faculty of Medicine, Lisbon University, Portugal
| | - A Lopes
- Department of Immunoallergology, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Lisboa, Lisbon, Portugal.,Immunoallergology University Clinic, Faculty of Medicine, Lisbon University, Portugal
| | - S Lopes Da Silva
- Department of Immunoallergology, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Lisboa, Lisbon, Portugal.,Immunoallergology University Clinic, Faculty of Medicine, Lisbon University, Portugal
| | - E Pedro
- Department of Immunoallergology, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Lisboa, Lisbon, Portugal.,Immunoallergology University Clinic, Faculty of Medicine, Lisbon University, Portugal
| | - J Caiado
- Department of Immunoallergology, Santa Maria Hospital, Centro Hospitalar Universitário Lisboa Norte, Centro Académico de Lisboa, Lisbon, Portugal.,Immunoallergology University Clinic, Faculty of Medicine, Lisbon University, Portugal
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7
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BRANCO C, Sapinho G, Vieira J, Silva H, Martins C, Esteves G, Raposo J, Lopes J, Rodrigues N. WCN23-0650 ACUTE KIDNEY INJURY AND MULTIPLE MYELOMA - THE ROLE OF CYTOGENETICS. Kidney Int Rep 2023. [DOI: 10.1016/j.ekir.2023.02.233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023] Open
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8
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Vieira J, Matos R, Cannas da Silva J, Baumgartner W, Van Harten S, Dâmaso A. Prevalence and major causes of ruminal lesions in intensive cattle fattening units. Pol J Vet Sci 2022; 25:635-637. [PMID: 36649117 DOI: 10.24425/pjvs.2022.143547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Ruminal acidosis is frequent in cattle fattening systems associated with grain-rich fibre-poor diets. This study aimed to assess the prevalence of ruminal lesions compatible with ruminal acidosis intensive fattening farms and its risk factors on farm. Rumens of 218 out of 1960 bullocks from six farms were classified in slaughterhouses, and the management practices and the type of feed were compared. The prevalence of lesions compatible with ruminal acidosis was high (65%), where 47% and 18% of the animals had ruminal lesions compatible with subacute and acute disease, respectively. Prevalence of lesions differed significantly between the farms, with differences in the management and feeding practices. Ruminal lesions compatible with ruminal acidosis are prevalent in cattle fattening units in Portugal and husbandry and feeding practices are likely to have an impact.
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Affiliation(s)
- J Vieira
- Veterinary Medicine School, University Lusófona of Humanities and Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal
| | - R Matos
- Veterinary Medicine School, University Lusófona of Humanities and Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal.,CBIOS - Research Centre for Biosciences & Health Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal
| | - J Cannas da Silva
- Veterinary Medicine School, University Lusófona of Humanities and Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal.,CBIOS - Research Centre for Biosciences & Health Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal
| | - W Baumgartner
- University Clinic for Ruminants, University of Veterinary Medicine, Veterinaerplatz 1, A-1210 Vienna, Austria
| | - S Van Harten
- Veterinary Medicine School, University Lusófona of Humanities and Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal.,CBIOS - Research Centre for Biosciences & Health Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal
| | - A Dâmaso
- Veterinary Medicine School, University Lusófona of Humanities and Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal.,CBIOS - Research Centre for Biosciences & Health Technologies, Campo Grande 376, 1749-024, Lisbon, Portugal
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9
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Verra L, Zevi Della Porta G, Pucek J, Nechaeva T, Wyler S, Bergamaschi M, Senes E, Guran E, Moody JT, Kedves MÁ, Gschwendtner E, Muggli P, Agnello R, Ahdida CC, Goncalves MCA, Andrebe Y, Apsimon O, Apsimon R, Arnesano JM, Bachmann AM, Barrientos D, Batsch F, Bencini V, Blanchard P, Burrows PN, Buttenschön B, Caldwell A, Chappell J, Chevallay E, Chung M, Cooke DA, Davut C, Demeter G, Dexter AC, Doebert S, Elverson FA, Farmer J, Fasoli A, Fedosseev V, Fonseca R, Furno I, Gorn A, Granados E, Granetzny M, Graubner T, Grulke O, Hafych V, Henderson J, Hüther M, Khudiakov V, Kim SY, Kraus F, Krupa M, Lefevre T, Liang L, Liu S, Lopes N, Lotov K, Martinez Calderon M, Mazzoni S, Medina Godoy D, Moon K, Morales Guzmán PI, Moreira M, Nowak E, Pakuza C, Panuganti H, Pardons A, Pepitone K, Perera A, Pukhov A, Ramjiawan RL, Rey S, Schmitz O, Silva F, Silva L, Stollberg C, Sublet A, Swain C, Topaloudis A, Torrado N, Tuev P, Velotti F, Verzilov V, Vieira J, Weidl M, Welsch C, Wendt M, Wing M, Wolfenden J, Woolley B, Xia G, Yarygova V, Zepp M. Controlled Growth of the Self-Modulation of a Relativistic Proton Bunch in Plasma. Phys Rev Lett 2022; 129:024802. [PMID: 35867433 DOI: 10.1103/physrevlett.129.024802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/12/2022] [Indexed: 06/15/2023]
Abstract
A long, narrow, relativistic charged particle bunch propagating in plasma is subject to the self-modulation (SM) instability. We show that SM of a proton bunch can be seeded by the wakefields driven by a preceding electron bunch. SM timing reproducibility and control are at the level of a small fraction of the modulation period. With this seeding method, we independently control the amplitude of the seed wakefields with the charge of the electron bunch and the growth rate of SM with the charge of the proton bunch. Seeding leads to larger growth of the wakefields than in the instability case.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - R Agnello
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | | | | | - Y Andrebe
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | - O Apsimon
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | - R Apsimon
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | | | - A-M Bachmann
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | - F Batsch
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - V Bencini
- CERN, 1211 Geneva 23, Switzerland
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
| | - P Blanchard
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | - P N Burrows
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
| | - B Buttenschön
- Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
| | - A Caldwell
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | | | - M Chung
- UNIST, Ulsan 44919, Republic of Korea
| | | | - C Davut
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - G Demeter
- Wigner Research Centre for Physics, 1121 Budapest, Hungary
| | - A C Dexter
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- Lancaster University, Lancaster LA1 4YB, United Kingdom
| | | | | | - J Farmer
- CERN, 1211 Geneva 23, Switzerland
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - A Fasoli
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | | | - R Fonseca
- ISCTE-Instituto Universitéario de Lisboa, 1049-001 Lisbon, Portugal
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - I Furno
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | - A Gorn
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk , Russia
| | | | - M Granetzny
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - T Graubner
- Philipps-Universität Marburg, 35032 Marburg, Germany
| | - O Grulke
- Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
- Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - V Hafych
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - J Henderson
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- Accelerator Science and Technology Centre, ASTeC, STFC Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
| | - M Hüther
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - V Khudiakov
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Heinrich-Heine-Universität Düsseldorf, 40225 Düsseldorf, Germany
| | - S-Y Kim
- CERN, 1211 Geneva 23, Switzerland
- UNIST, Ulsan 44919, Republic of Korea
| | - F Kraus
- Philipps-Universität Marburg, 35032 Marburg, Germany
| | - M Krupa
- CERN, 1211 Geneva 23, Switzerland
| | | | - L Liang
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - S Liu
- TRIUMF, Vancouver, Canada
| | - N Lopes
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - K Lotov
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk , Russia
| | | | | | | | - K Moon
- UNIST, Ulsan 44919, Republic of Korea
| | | | - M Moreira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - E Nowak
- CERN, 1211 Geneva 23, Switzerland
| | - C Pakuza
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
| | | | | | - K Pepitone
- Angstrom Laboratory, Department of Physics and Astronomy, 752 37 Uppsala, Sweden
| | - A Perera
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | - A Pukhov
- Heinrich-Heine-Universität Düsseldorf, 40225 Düsseldorf, Germany
| | - R L Ramjiawan
- CERN, 1211 Geneva 23, Switzerland
- John Adams Institute, Oxford University, Oxford OX1 3RH, United Kingdom
| | - S Rey
- CERN, 1211 Geneva 23, Switzerland
| | - O Schmitz
- University of Wisconsin, Madison, Wisconsin 53706, USA
| | - F Silva
- INESC-ID, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - L Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - C Stollberg
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), 1015 Lausanne, Switzerland
| | - A Sublet
- CERN, 1211 Geneva 23, Switzerland
| | - C Swain
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | | | - N Torrado
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - P Tuev
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk , Russia
| | | | | | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - M Weidl
- Max Planck Institute for Plasma Physics, 80805 Munich, Germany
| | - C Welsch
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | - M Wendt
- CERN, 1211 Geneva 23, Switzerland
| | - M Wing
- UCL, London WC1 6BT, United Kingdom
| | - J Wolfenden
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
| | | | - G Xia
- Cockcroft Institute, Warrington WA4 4AD, United Kingdom
- University of Manchester, Manchester M13 9PL, United Kingdom
| | - V Yarygova
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk , Russia
| | - M Zepp
- University of Wisconsin, Madison, Wisconsin 53706, USA
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10
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Ramsey D, Malaca B, Di Piazza A, Formanek M, Franke P, Froula DH, Pardal M, Simpson TT, Vieira J, Weichman K, Palastro JP. Nonlinear Thomson scattering with ponderomotive control. Phys Rev E 2022; 105:065201. [PMID: 35854579 DOI: 10.1103/physreve.105.065201] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 05/02/2022] [Indexed: 06/15/2023]
Abstract
In nonlinear Thomson scattering, a relativistic electron reradiates the photons of a laser pulse, converting optical light to x rays or beyond. While this extreme frequency conversion offers a promising source for probing high-energy-density materials and driving uncharted regimes of nonlinear quantum electrodynamics, conventional nonlinear Thomson scattering has inherent trade-offs in its scaling with laser intensity. Here we discover that the ponderomotive control afforded by spatiotemporal pulse shaping enables regimes of nonlinear Thomson scattering that substantially enhance the scaling of the radiated power, emission angle, and frequency with laser intensity. By appropriately setting the velocity of the intensity peak, a spatiotemporally shaped pulse can increase the power radiated by orders of magnitude. The enhanced scaling with laser intensity allows for operation at significantly lower electron energies or intensities.
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Affiliation(s)
- D Ramsey
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - B Malaca
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon 1049-001, Portugal
| | - A Di Piazza
- Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg, Germany
| | - M Formanek
- Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg, Germany
| | - P Franke
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - D H Froula
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - M Pardal
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon 1049-001, Portugal
| | - T T Simpson
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon 1049-001, Portugal
| | - K Weichman
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - J P Palastro
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
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11
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Castanhinha S, Mikovic M, Vieira J. P111 Atopy and cystic fibrosis: characterisation of a paediatric Portuguese population. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)00444-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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12
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Bikos D, Samaras G, Charalambides MN, Cann P, Masen M, Hartmann C, Vieira J, Sergis A, Hardalupas Y. Experimental and numerical evaluation of the effect of micro-aeration on the thermal properties of chocolate. Food Funct 2022; 13:4993-5010. [PMID: 35393999 DOI: 10.1039/d1fo04049a] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Thermal properties, such as thermal conductivity, specific heat capacity and latent heat, influence the melting and solidification of chocolate. The accurate prediction of these properties for micro-aerated chocolate products with varying levels of porosity ranging from 0% to 15% is beneficial for understanding and control of heat transfer mechanisms during chocolate manufacturing and food oral processing. The former process is important for the final quality of chocolate and the latter is associated with sensorial attributes, such as grittiness, melting time and flavour. This study proposes a novel multiscale finite element model to accurately predict the temporal and spatial evolution of temperature across chocolate samples. The model is evaluated via heat transfer experiments at temperatures varying from 16 °C to 45 °C. Both experimental and numerical results suggest that the rate of heat transfer within the micro-aerated chocolate is reduced by 7% when the 15% micro-aerated chocolate is compared to its solid counterpart. More specifically, on average, the thermal conductivity decreased by 20% and specific heat capacity increased by 10% for 15% micro-aeration, suggesting that micro-pores act as thermal barriers to heat flow. The latter trend is unexpected for porous materials and thus the presence of a third phase at the pore's interface is proposed which might store thermal energy leading to a delayed release to the chocolate system. The developed multiscale numerical model provides a design tool to create pore structures in chocolate with optimum melting or solidifying response.
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Affiliation(s)
- D Bikos
- Department of Mechanical Engineering, Imperial College London, UK.
| | - G Samaras
- Department of Mechanical Engineering, Imperial College London, UK.
| | | | - P Cann
- Department of Mechanical Engineering, Imperial College London, UK.
| | - M Masen
- Department of Mechanical Engineering, Imperial College London, UK.
| | | | - J Vieira
- Nestlé Product Technology Centre, York, UK
| | - A Sergis
- Department of Mechanical Engineering, Imperial College London, UK.
| | - Y Hardalupas
- Department of Mechanical Engineering, Imperial College London, UK.
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13
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Shukla N, Schoeffler K, Vieira J, Fonseca R, Boella E, Silva LO. Slowdown of interpenetration of two counterpropagating plasma slabs due to collective effects. Phys Rev E 2022; 105:035204. [PMID: 35428146 DOI: 10.1103/physreve.105.035204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 03/06/2022] [Indexed: 06/14/2023]
Abstract
The nonlinear evolution of electromagnetic instabilities driven by the interpenetration of two e^{-},e^{+} plasma clouds is explored using ab initio kinetic plasma simulations. We show that the plasma clouds slow down due to both oblique and Weibel generated electromagnetic fields, which deflect the particle trajectories, transferring bulk forward momentum into transverse momentum and thermal velocity spread. This process causes the flow velocity v_{inst} to decrease approximately by a factor of sqrt[1/3] in a time interval Δt_{αB}ω_{p}∼c/(v_{fl}sqrt[α_{B}]), where α_{B} is the magnetic equipartition parameter determined by the nonlinear saturation of the instabilities, v_{fl} is the initial flow speed, and ω_{p} is the plasma frequency. For the α_{B} measured in our simulations, Δt_{αB} is close to 10 times the instability growth time. We show that as long as the plasma slab length L>v_{fl}Δt_{αB}, the plasma flow is expected to slow down by a factor close to sqrt[1/3].
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Affiliation(s)
- N Shukla
- CINECA High-Performance Computing Department, Casalecchio di Reno, 40033 Bologna, Italy
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - K Schoeffler
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - R Fonseca
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
- DCTI/ISCTE, Instituto Universitario de Lisboa, 1649-026 Lisboa, Portugal
| | - E Boella
- Department of Physics, University of Lancaster, LA1 4YW Lancaster, United Kingdom
- Cockcroft Institute, Sci-Tech Daresbury, WA4 4AD Warrington, United Kingdom
| | - L O Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
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14
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Bikos D, Samaras G, Cann P, Masen M, Hardalupas Y, Charalambides M, Hartmann C, German J, Vieira J. Effect of structure on the mechanical and physical properties of chocolate considering time scale phenomena occurring during oral processing. Food Structure 2022. [DOI: 10.1016/j.foostr.2021.100244] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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15
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Vieira J, Freitas FCP, Cristino AS, Moda LMR, Martins JR, Bitondi MMG, Simões ZLP, Barchuk AR. miRNA-34 and miRNA-210 target hexamerin genes enhancing their differential expression during early brain development of honeybee (Apis mellifera) castes. Insect Mol Biol 2021; 30:594-604. [PMID: 34309096 DOI: 10.1111/imb.12728] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
During the honeybee larval stage, queens develop larger brains than workers, with morphological differentiation appearing at the fourth larval phase (L4), just after a boost in nutritional difference both prospective females experience. The molecular promoters of this caste-specific brain development are already ongoing in previous larval phases. Transcriptomic analyses revealed a set of differentially expressed genes in the L3 brains of queens and workers, which represents the early molecular response to differential feeding females receive during larval development. Three genes of this set, hex70b, hex70c and hex110, are more highly transcribed in the brain of workers than in queens. The microRNAs miR-34, miR-210 and miR-317 are in higher levels in the queens' brain at the same phase of larval development. Here, we tested the hypothesis that the brain of workers expresses higher levels of hexamerins than that of queens during key phases of larval development and that this differential hexamerin genes expression is further enhanced by the repressing activity of miR-34, miR-210 and miR-317. Our transcriptional analyses showed that hex70b, hex70c and hex110 genes are differentially expressed in the brain of L3 and L4 larval phases of honeybee queens and workers. In silico reconstructed miRNA-mRNA interaction networks were validated using luciferase assays, which showed miR-34 and miR-210 negatively regulate hex70b and hex110 genes by directly and redundantly binding their 3'UTR (untranslated region) sequences. Taken together, our results suggest that miR-34 and miR-210 act together promoting differential brain development in honeybee castes by downregulating the expression of the putative antineurogenic hexamerin genes hex70b and hex110.
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Affiliation(s)
- J Vieira
- Departamento de Biologia Celular e do Desenvolvimento, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, UNIFAL-MG, Alfenas, Minas Gerais, Brazil
| | - F C P Freitas
- Departamento de Biologia Celular e do Desenvolvimento, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, UNIFAL-MG, Alfenas, Minas Gerais, Brazil
- Departamento de Genética, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - A S Cristino
- Griffith Institute for Drug Discovery, Griffith University, Queensland, Australia
| | - L M R Moda
- Departamento de Biologia Celular e do Desenvolvimento, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, UNIFAL-MG, Alfenas, Minas Gerais, Brazil
| | - J R Martins
- Departamento de Biologia Celular e do Desenvolvimento, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, UNIFAL-MG, Alfenas, Minas Gerais, Brazil
| | - M M G Bitondi
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Z L P Simões
- Departamento de Genética, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - A R Barchuk
- Departamento de Biologia Celular e do Desenvolvimento, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, UNIFAL-MG, Alfenas, Minas Gerais, Brazil
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16
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Silva T, Amorim LD, Downer MC, Hogan MJ, Yakimenko V, Zgadzaj R, Vieira J. Stable Positron Acceleration in Thin, Warm, Hollow Plasma Channels. Phys Rev Lett 2021; 127:104801. [PMID: 34533351 DOI: 10.1103/physrevlett.127.104801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 05/28/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Hollow plasma channels are attractive for lepton acceleration because they provide intrinsic emittance preservation regimes. However, beam breakup instabilities dominate the dynamics. Here, we show that thin, warm hollow channels can sustain large-amplitude plasma waves ready for high-quality positron acceleration. We verify that the combination of warm electrons and thin hollow channels enables positron focusing structures. Such focusing wakefields unlock beam breakup damping mechanisms. We demonstrate that such channels emerge self-consistently during the long-term plasma dynamics in the blowout's regime aftermath, allowing for experimental demonstration.
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Affiliation(s)
- T Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - L D Amorim
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - M C Downer
- Department of Physics, The University of Texas at Austin, Austin, Texas 78712-1081, USA
| | - M J Hogan
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - V Yakimenko
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - R Zgadzaj
- Department of Physics, The University of Texas at Austin, Austin, Texas 78712-1081, USA
| | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
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17
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Bikos D, Samaras G, Cann P, Masen M, Hardalupas Y, Hartmann C, Vieira J, Charalambides MN. Effect of micro-aeration on the mechanical behaviour of chocolates and implications for oral processing. Food Funct 2021; 12:4864-4886. [PMID: 33969364 DOI: 10.1039/d1fo00045d] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Aeration in foods has been widely utilised in the food industry to develop novel foods with enhanced sensorial characteristics. Specifically, aeration at the micron-sized scale has a significant impact on the microstructure where micro-bubbles interact with the other microstructural features in chocolates. This study aims to determine the effect of micro-aeration on the mechanical properties of chocolate products, which are directly correlated with textural attributes such as hardness and crumbliness. Uniaxial compression tests were performed to determine the mechanical properties such as Poisson's ratio, Young's modulus and macroscopic yield strength together with fracture tests to estimate the fracture toughness. In vivo mastication tests were also conducted to investigate the link between the fracture properties and fragmentation during the first two chewing cycles. The uniaxial stress-strain data were used to calibrate a viscoplastic constitutive law. The results showed that micro-aeration significantly affects mechanical properties such as Young's modulus, yield and fracture stresses, as well as fracture toughness. In addition, it enhances the brittle nature of the chocolate, as evidenced by lower fracture stress but also lower fracture toughness leading to higher fragmentation, in agreement with observations in the in vivo mastication tests. As evidenced by the XRT images and the stress-strain measurements micro-aeration hinders the re-arrangement of the microscopic features inside the chocolate during the material's deformation. The work provides a new insight of the role of bubbles on the bulk behaviour of complex multiphase materials, such as chocolates, and defines the mechanical properties which are important input parameters for the development of oral processing simulations.
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Affiliation(s)
- D Bikos
- Department of Mechanical Engineering, Imperial College London, UK.
| | - G Samaras
- Department of Mechanical Engineering, Imperial College London, UK.
| | - P Cann
- Department of Mechanical Engineering, Imperial College London, UK.
| | - M Masen
- Department of Mechanical Engineering, Imperial College London, UK.
| | - Y Hardalupas
- Department of Mechanical Engineering, Imperial College London, UK.
| | | | - J Vieira
- Nestlé Product Technology Centre, York, UK
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18
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Batsch F, Muggli P, Agnello R, Ahdida CC, Amoedo Goncalves MC, Andrebe Y, Apsimon O, Apsimon R, Bachmann AM, Baistrukov MA, Blanchard P, Braunmüller F, Burrows PN, Buttenschön B, Caldwell A, Chappell J, Chevallay E, Chung M, Cooke DA, Damerau H, Davut C, Demeter G, Deubner HL, Doebert S, Farmer J, Fasoli A, Fedosseev VN, Fiorito R, Fonseca RA, Friebel F, Furno I, Garolfi L, Gessner S, Gorgisyan I, Gorn AA, Granados E, Granetzny M, Graubner T, Grulke O, Gschwendtner E, Hafych V, Helm A, Henderson JR, Hüther M, Kargapolov IY, Kim SY, Kraus F, Krupa M, Lefevre T, Liang L, Liu S, Lopes N, Lotov KV, Martyanov M, Mazzoni S, Medina Godoy D, Minakov VA, Moody JT, Moon K, Morales Guzmán PI, Moreira M, Nechaeva T, Nowak E, Pakuza C, Panuganti H, Pardons A, Perera A, Pucek J, Pukhov A, Ramjiawan RL, Rey S, Rieger K, Schmitz O, Senes E, Silva LO, Speroni R, Spitsyn RI, Stollberg C, Sublet A, Topaloudis A, Torrado N, Tuev PV, Turner M, Velotti F, Verra L, Verzilov VA, Vieira J, Vincke H, Welsch CP, Wendt M, Wing M, Wiwattananon P, Wolfenden J, Woolley B, Xia G, Zepp M, Zevi Della Porta G. Transition between Instability and Seeded Self-Modulation of a Relativistic Particle Bunch in Plasma. Phys Rev Lett 2021; 126:164802. [PMID: 33961468 DOI: 10.1103/physrevlett.126.164802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/18/2021] [Accepted: 03/09/2021] [Indexed: 06/12/2023]
Abstract
We use a relativistic ionization front to provide various initial transverse wakefield amplitudes for the self-modulation of a long proton bunch in plasma. We show experimentally that, with sufficient initial amplitude [≥(4.1±0.4) MV/m], the phase of the modulation along the bunch is reproducible from event to event, with 3%-7% (of 2π) rms variations all along the bunch. The phase is not reproducible for lower initial amplitudes. We observe the transition between these two regimes. Phase reproducibility is essential for deterministic external injection of particles to be accelerated.
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Affiliation(s)
- F Batsch
- Max Planck Institute for Physics, Munich, Germany
| | - P Muggli
- Max Planck Institute for Physics, Munich, Germany
| | - R Agnello
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | | | | | - Y Andrebe
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | - O Apsimon
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | - R Apsimon
- Cockcroft Institute, Daresbury, United Kingdom
- Lancaster University, Lancaster, United Kingdom
| | - A-M Bachmann
- Max Planck Institute for Physics, Munich, Germany
| | - M A Baistrukov
- Novosibirsk State University, Novosibirsk, Russia
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - P Blanchard
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | | | - P N Burrows
- John Adams Institute, Oxford University, Oxford, United Kingdom
| | - B Buttenschön
- Max Planck Institute for Plasma Physics, Greifswald, Germany
| | - A Caldwell
- Max Planck Institute for Physics, Munich, Germany
| | - J Chappell
- University College London, London, United Kingdom
| | | | - M Chung
- Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - D A Cooke
- University College London, London, United Kingdom
| | | | - C Davut
- Cockcroft Institute, Daresbury, United Kingdom
- University of Manchester, Manchester, United Kingdom
| | - G Demeter
- Wigner Research Center for Physics, Budapest, Hungary
| | - H L Deubner
- Philipps-Universität Marburg, Marburg, Germany
| | | | - J Farmer
- Max Planck Institute for Physics, Munich, Germany
- CERN, Geneva, Switzerland
| | - A Fasoli
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | | | - R Fiorito
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | - R A Fonseca
- ISCTE-Instituto Universitéario de Lisboa, Portugal
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | | | - I Furno
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | | | - S Gessner
- CERN, Geneva, Switzerland
- SLAC National Accelerator Laboratory, Menlo Park, California, USA
| | | | - A A Gorn
- Novosibirsk State University, Novosibirsk, Russia
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | | | - M Granetzny
- University of Wisconsin, Madison, Wisconsin, USA
| | - T Graubner
- Philipps-Universität Marburg, Marburg, Germany
| | - O Grulke
- Max Planck Institute for Plasma Physics, Greifswald, Germany
- Technical University of Denmark, Lyngby, Denmark
| | | | - V Hafych
- Max Planck Institute for Physics, Munich, Germany
| | - A Helm
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - J R Henderson
- Cockcroft Institute, Daresbury, United Kingdom
- Accelerator Science and Technology Centre, ASTeC, STFC Daresbury Laboratory, Warrington, United Kingdom
| | - M Hüther
- Max Planck Institute for Physics, Munich, Germany
| | - I Yu Kargapolov
- Novosibirsk State University, Novosibirsk, Russia
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - S-Y Kim
- Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - F Kraus
- Philipps-Universität Marburg, Marburg, Germany
| | | | | | - L Liang
- Cockcroft Institute, Daresbury, United Kingdom
- University of Manchester, Manchester, United Kingdom
| | - S Liu
- TRIUMF, Vancouver, Canada
| | - N Lopes
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - K V Lotov
- Novosibirsk State University, Novosibirsk, Russia
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - M Martyanov
- Max Planck Institute for Physics, Munich, Germany
| | | | | | - V A Minakov
- Novosibirsk State University, Novosibirsk, Russia
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - J T Moody
- Max Planck Institute for Physics, Munich, Germany
| | - K Moon
- Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | | | - M Moreira
- CERN, Geneva, Switzerland
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - T Nechaeva
- Max Planck Institute for Physics, Munich, Germany
| | | | - C Pakuza
- John Adams Institute, Oxford University, Oxford, United Kingdom
| | | | | | - A Perera
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | - J Pucek
- Max Planck Institute for Physics, Munich, Germany
| | - A Pukhov
- Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - R L Ramjiawan
- CERN, Geneva, Switzerland
- John Adams Institute, Oxford University, Oxford, United Kingdom
| | - S Rey
- CERN, Geneva, Switzerland
| | - K Rieger
- Max Planck Institute for Physics, Munich, Germany
| | - O Schmitz
- University of Wisconsin, Madison, Wisconsin, USA
| | - E Senes
- CERN, Geneva, Switzerland
- John Adams Institute, Oxford University, Oxford, United Kingdom
| | - L O Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | | | - R I Spitsyn
- Novosibirsk State University, Novosibirsk, Russia
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - C Stollberg
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | | | | | - N Torrado
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - P V Tuev
- Novosibirsk State University, Novosibirsk, Russia
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - M Turner
- CERN, Geneva, Switzerland
- Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | | | - L Verra
- Max Planck Institute for Physics, Munich, Germany
- CERN, Geneva, Switzerland
- Technical University Munich, Munich, Germany
| | | | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | | | - C P Welsch
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | | | - M Wing
- University College London, London, United Kingdom
| | | | - J Wolfenden
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | | | - G Xia
- Cockcroft Institute, Daresbury, United Kingdom
- University of Manchester, Manchester, United Kingdom
| | - M Zepp
- University of Wisconsin, Madison, Wisconsin, USA
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19
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Vieira J, Pimenta J, Gomes A, Laia J, Rocha S, Heitzler P, Vieira CP. The identification of the Rosa S-locus and implications on the evolution of the Rosaceae gametophytic self-incompatibility systems. Sci Rep 2021; 11:3710. [PMID: 33580108 PMCID: PMC7881130 DOI: 10.1038/s41598-021-83243-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 01/19/2021] [Indexed: 12/19/2022] Open
Abstract
In Rosaceae species, two gametophytic self-incompatibility (GSI) mechanisms are described, the Prunus self-recognition system and the Maleae (Malus/Pyrus/Sorbus) non-self- recognition system. In both systems the pistil component is a S-RNase gene, but from two distinct phylogenetic lineages. The pollen component, always a F-box gene(s), in the case of Prunus is a single gene, and in Maleae there are multiple genes. Previously, the Rosa S-locus was mapped on chromosome 3, and three putative S-RNase genes were identified in the R. chinensis ‘Old Blush’ genome. Here, we show that these genes do not belong to the S-locus region. Using R. chinensis and R. multiflora genomes and a phylogenetic approach, we identified the S-RNase gene, that belongs to the Prunus S-lineage. Expression patterns support this gene as being the S-pistil. This gene is here also identified in R. moschata, R. arvensis, and R. minutifolia low coverage genomes, allowing the identification of positively selected amino acid sites, and thus, further supporting this gene as the S-RNase. Furthermore, genotype–phenotype association experiments also support this gene as the S-RNase. For the S-pollen GSI component we find evidence for multiple F-box genes, that show the expected expression pattern, and evidence for diversifying selection at the F-box genes within an S-haplotype. Thus, Rosa has a non-self-recognition system, like in Maleae species, despite the S-pistil gene belonging to the Prunus S-RNase lineage. These findings are discussed in the context of the Rosaceae GSI evolution. Knowledge on the Rosa S-locus has practical implications since genes controlling floral and other ornamental traits are in linkage disequilibrium with the S-locus.
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Affiliation(s)
- J Vieira
- Instituto de Biologia Molecular e Celular (IBMC), Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal
| | - J Pimenta
- Instituto de Biologia Molecular e Celular (IBMC), Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal
| | - A Gomes
- Instituto de Biologia Molecular e Celular (IBMC), Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal
| | - J Laia
- Instituto de Biologia Molecular e Celular (IBMC), Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal
| | - S Rocha
- Instituto de Biologia Molecular e Celular (IBMC), Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal
| | - P Heitzler
- Institut de Biologie Moléculaire Des Plantes, CNRS, Université de Strasbourg, UPR 2357, 67000, Strasbourg, France
| | - C P Vieira
- Instituto de Biologia Molecular e Celular (IBMC), Rua Alfredo Allen, 208, 4200-135, Porto, Portugal. .,Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.
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20
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Braunmüller F, Nechaeva T, Adli E, Agnello R, Aladi M, Andrebe Y, Apsimon O, Apsimon R, Bachmann AM, Baistrukov MA, Batsch F, Bergamaschi M, Blanchard P, Burrows PN, Buttenschön B, Caldwell A, Chappell J, Chevallay E, Chung M, Cooke DA, Damerau H, Davut C, Demeter G, Deubner LH, Dexter A, Djotyan GP, Doebert S, Farmer J, Fasoli A, Fedosseev VN, Fiorito R, Fonseca RA, Friebel F, Furno I, Garolfi L, Gessner S, Goddard B, Gorgisyan I, Gorn AA, Granados E, Granetzny M, Grulke O, Gschwendtner E, Hafych V, Hartin A, Helm A, Henderson JR, Howling A, Hüther M, Jacquier R, Jolly S, Kargapolov IY, Kedves MÁ, Keeble F, Kelisani MD, Kim SY, Kraus F, Krupa M, Lefevre T, Li Y, Liang L, Liu S, Lopes N, Lotov KV, Martyanov M, Mazzoni S, Medina Godoy D, Minakov VA, Moody JT, Morales Guzmán PI, Moreira M, Muggli P, Panuganti H, Pardons A, Peña Asmus F, Perera A, Petrenko A, Pucek J, Pukhov A, Ráczkevi B, Ramjiawan RL, Rey S, Ruhl H, Saberi H, Schmitz O, Senes E, Sherwood P, Silva LO, Spitsyn RI, Tuev PV, Turner M, Velotti F, Verra L, Verzilov VA, Vieira J, Welsch CP, Williamson B, Wing M, Wolfenden J, Woolley B, Xia G, Zepp M, Zevi Della Porta G. Proton Bunch Self-Modulation in Plasma with Density Gradient. Phys Rev Lett 2020; 125:264801. [PMID: 33449727 DOI: 10.1103/physrevlett.125.264801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 11/10/2020] [Accepted: 11/10/2020] [Indexed: 06/12/2023]
Abstract
We study experimentally the effect of linear plasma density gradients on the self-modulation of a 400 GeV proton bunch. Results show that a positive or negative gradient increases or decreases the number of microbunches and the relative charge per microbunch observed after 10 m of plasma. The measured modulation frequency also increases or decreases. With the largest positive gradient we observe two frequencies in the modulation power spectrum. Results are consistent with changes in wakefields' phase velocity due to plasma density gradients adding to the slow wakefields' phase velocity during self-modulation growth predicted by linear theory.
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Affiliation(s)
| | - T Nechaeva
- Belarusian State University, Minsk, Belarus
| | - E Adli
- University of Oslo, Oslo, Norway
| | - R Agnello
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | - M Aladi
- Wigner Research Center for Physics, Budapest, Hungary
| | - Y Andrebe
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | - O Apsimon
- Cockcroft Institute, Daresbury, United Kingdom
- Lancaster University, Lancaster, United Kingdom
| | - R Apsimon
- Cockcroft Institute, Daresbury, United Kingdom
- Lancaster University, Lancaster, United Kingdom
| | - A-M Bachmann
- Max Planck Institute for Physics, Munich, Germany
- CERN, Geneva, Switzerland
- Technical University Munich, Munich, Germany
| | - M A Baistrukov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - F Batsch
- Max Planck Institute for Physics, Munich, Germany
- CERN, Geneva, Switzerland
- Technical University Munich, Munich, Germany
| | | | - P Blanchard
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | - P N Burrows
- John Adams Institute, Oxford University, Oxford, United Kingdom
| | - B Buttenschön
- Max Planck Institute for Plasma Physics, Greifswald, Germany
| | - A Caldwell
- Max Planck Institute for Physics, Munich, Germany
| | | | | | - M Chung
- UNIST, Ulsan, Republic of Korea
| | | | | | - C Davut
- Cockcroft Institute, Daresbury, United Kingdom
- University of Manchester, Manchester, United Kingdom
| | - G Demeter
- Wigner Research Center for Physics, Budapest, Hungary
| | - L H Deubner
- Philipps-Universität Marburg, Marburg, Germany
| | - A Dexter
- Cockcroft Institute, Daresbury, United Kingdom
- Lancaster University, Lancaster, United Kingdom
| | - G P Djotyan
- Wigner Research Center for Physics, Budapest, Hungary
| | | | - J Farmer
- Max Planck Institute for Physics, Munich, Germany
- CERN, Geneva, Switzerland
| | - A Fasoli
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | | | - R Fiorito
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | - R A Fonseca
- ISCTE-Instituto Universitéario de Lisboa, Lisbon, Portugal
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | | | - I Furno
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | | | - S Gessner
- CERN, Geneva, Switzerland
- SLAC National Accelerator Laboratory, Menlo Park, California, USA
| | | | | | - A A Gorn
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | | | - M Granetzny
- University of Wisconsin, Madison, Wisconsin, USA
| | - O Grulke
- Max Planck Institute for Plasma Physics, Greifswald, Germany
- Technical University of Denmark, Lyngby, Denmark
| | | | - V Hafych
- Max Planck Institute for Physics, Munich, Germany
| | | | - A Helm
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - J R Henderson
- Cockcroft Institute, Daresbury, United Kingdom
- Accelerator Science and Technology Centre, ASTeC, STFC Daresbury Laboratory, Warrington, United Kingdom
| | - A Howling
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | - M Hüther
- Max Planck Institute for Physics, Munich, Germany
| | - R Jacquier
- Ecole Polytechnique Federale de Lausanne (EPFL), Swiss Plasma Center (SPC), Lausanne, Switzerland
| | | | - I Yu Kargapolov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - M Á Kedves
- Wigner Research Center for Physics, Budapest, Hungary
| | | | | | - S-Y Kim
- UNIST, Ulsan, Republic of Korea
| | - F Kraus
- Philipps-Universität Marburg, Marburg, Germany
| | | | | | - Y Li
- Cockcroft Institute, Daresbury, United Kingdom
- University of Manchester, Manchester, United Kingdom
| | - L Liang
- Cockcroft Institute, Daresbury, United Kingdom
- University of Manchester, Manchester, United Kingdom
| | - S Liu
- TRIUMF, Vancouver, Canada
| | - N Lopes
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - K V Lotov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - M Martyanov
- Max Planck Institute for Physics, Munich, Germany
| | | | | | - V A Minakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - J T Moody
- Max Planck Institute for Physics, Munich, Germany
| | | | - M Moreira
- CERN, Geneva, Switzerland
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - P Muggli
- Max Planck Institute for Physics, Munich, Germany
| | | | | | - F Peña Asmus
- Max Planck Institute for Physics, Munich, Germany
- Technical University Munich, Munich, Germany
| | - A Perera
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | - A Petrenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - J Pucek
- Max Planck Institute for Physics, Munich, Germany
| | - A Pukhov
- Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - B Ráczkevi
- Wigner Research Center for Physics, Budapest, Hungary
| | - R L Ramjiawan
- CERN, Geneva, Switzerland
- John Adams Institute, Oxford University, Oxford, United Kingdom
| | - S Rey
- CERN, Geneva, Switzerland
| | - H Ruhl
- Ludwig-Maximilians-Universität, Munich, Germany
| | | | - O Schmitz
- University of Wisconsin, Madison, Wisconsin, USA
| | - E Senes
- CERN, Geneva, Switzerland
- John Adams Institute, Oxford University, Oxford, United Kingdom
| | | | - L O Silva
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - R I Spitsyn
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - P V Tuev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | | | | | - L Verra
- Max Planck Institute for Physics, Munich, Germany
- CERN, Geneva, Switzerland
- Technical University Munich, Munich, Germany
| | | | - J Vieira
- GoLP/Instituto de Plasmas e Fusáo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - C P Welsch
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | - B Williamson
- Cockcroft Institute, Daresbury, United Kingdom
- University of Manchester, Manchester, United Kingdom
| | - M Wing
- UCL, London, United Kingdom
| | - J Wolfenden
- Cockcroft Institute, Daresbury, United Kingdom
- University of Liverpool, Liverpool, United Kingdom
| | | | - G Xia
- Cockcroft Institute, Daresbury, United Kingdom
- University of Manchester, Manchester, United Kingdom
| | - M Zepp
- University of Wisconsin, Madison, Wisconsin, USA
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21
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Trines RMGM, Alves EP, Webb E, Vieira J, Fiúza F, Fonseca RA, Silva LO, Cairns RA, Bingham R. New criteria for efficient Raman and Brillouin amplification of laser beams in plasma. Sci Rep 2020; 10:19875. [PMID: 33199788 PMCID: PMC7670465 DOI: 10.1038/s41598-020-76801-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 10/28/2020] [Indexed: 11/25/2022] Open
Abstract
Raman or Brillouin amplification of a laser beam in plasma has long been seen as a way to reach multi-PW powers in compact laser systems. However, no significant plasma-based Raman amplification of a laser pulse beyond 0.1 TW has been achieved in nearly 20 years, and only one report of Brillouin amplification beyond 1 TW. In this paper, we reveal novel non-linear criteria for the initial seed pulse that will finally open the door to efficient Raman and Brillouin amplification to petawatt powers and Joule-level energies. We show that the triple product of the coupling constant [Formula: see text], seed pulse duration [Formula: see text] and seed pulse amplitude a for the Raman seed pulse (or [Formula: see text] for Brillouin) must exceed a specific minimum threshold for efficient amplification. We also analyze the plasma-based Raman and Brillouin amplification experiments to date, and show that the seed pulses used in nearly all experiments are well below our new threshold, which explains the poor efficiency obtained in them. Finally, we analyze a recent Brillouin amplification experiment that used increased seed pulse power to obtain Joule-level amplification, and find excellent agreement with our theory.
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Affiliation(s)
- R M G M Trines
- Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot, OX11 0QX, UK.
| | - E P Alves
- GoLP/IPFN, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisbon, Portugal
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - E Webb
- Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot, OX11 0QX, UK
| | - J Vieira
- GoLP/IPFN, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisbon, Portugal
| | - F Fiúza
- GoLP/IPFN, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisbon, Portugal
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - R A Fonseca
- GoLP/IPFN, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisbon, Portugal
- ISCTE, Instituto Universitário de Lisboa, 1649-026, Lisbon, Portugal
| | - L O Silva
- GoLP/IPFN, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisbon, Portugal
| | - R A Cairns
- University of St Andrews, St Andrews, Fife, KY16 9SS, UK
| | - R Bingham
- Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot, OX11 0QX, UK
- SUPA, Department of Physics, University of Strathclyde, Glasgow, G4 0NG, UK
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22
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Zgadzaj R, Silva T, Khudyakov VK, Sosedkin A, Allen J, Gessner S, Li Z, Litos M, Vieira J, Lotov KV, Hogan MJ, Yakimenko V, Downer MC. Dissipation of electron-beam-driven plasma wakes. Nat Commun 2020; 11:4753. [PMID: 32958741 PMCID: PMC7506535 DOI: 10.1038/s41467-020-18490-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 08/24/2020] [Indexed: 11/09/2022] Open
Abstract
Metre-scale plasma wakefield accelerators have imparted energy gain approaching 10 gigaelectronvolts to single nano-Coulomb electron bunches. To reach useful average currents, however, the enormous energy density that the driver deposits into the wake must be removed efficiently between shots. Yet mechanisms by which wakes dissipate their energy into surrounding plasma remain poorly understood. Here, we report picosecond-time-resolved, grazing-angle optical shadowgraphic measurements and large-scale particle-in-cell simulations of ion channels emerging from broken wakes that electron bunches from the SLAC linac generate in tenuous lithium plasma. Measurements show the channel boundary expands radially at 1 million metres-per-second for over a nanosecond. Simulations show that ions and electrons that the original wake propels outward, carrying 90 percent of its energy, drive this expansion by impact-ionizing surrounding neutral lithium. The results provide a basis for understanding global thermodynamics of multi-GeV plasma accelerators, which underlie their viability for applications demanding high average beam current.
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Affiliation(s)
- Rafal Zgadzaj
- University of Texas at Austin, 1 University Station C1600, Austin, TX, 78712-1081, USA
| | - T Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear-Laboratório Associado, Insituto Superior Técnico, Lisboa, Portugal
| | - V K Khudyakov
- Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia
- Novosibirsk State University, 630090, Novosibirsk, Russia
| | - A Sosedkin
- Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia
- Novosibirsk State University, 630090, Novosibirsk, Russia
| | - J Allen
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - S Gessner
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - Zhengyan Li
- University of Texas at Austin, 1 University Station C1600, Austin, TX, 78712-1081, USA
- Huazhong University of Science and Technology, Wuhan, China
| | - M Litos
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
- Center for Integrated Plasma Studies, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear-Laboratório Associado, Insituto Superior Técnico, Lisboa, Portugal
| | - K V Lotov
- Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia
- Novosibirsk State University, 630090, Novosibirsk, Russia
| | - M J Hogan
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - V Yakimenko
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - M C Downer
- University of Texas at Austin, 1 University Station C1600, Austin, TX, 78712-1081, USA.
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Fialho SL, Silvestrini BR, Vieira J, Paiva MRB, Silva LM, Chahud F, Silva-Cunha A, Correa ZM, Jorge R. Successful growth of fresh retinoblastoma cells in chorioallantoic membrane. Int J Retina Vitreous 2020; 6:33. [PMID: 32760596 PMCID: PMC7391810 DOI: 10.1186/s40942-020-00236-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/22/2020] [Indexed: 11/24/2022] Open
Abstract
The authors developed a retinoblastoma model using fresh harvested cells from an enucleated eye that were transplanted in chick embryos (chorioallantoic membrane model). The transplanted embryos were treated with escalating doses of Melphalan. This exploratory model was developed with the goal of testing drug sensitivity. Our findings suggest this tumor model could be employed to personalize treatment for patients with retinoblastoma, especially those with bilateral and more refractory disease.
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Affiliation(s)
- Silvia L Fialho
- Pharmaceutical Research and Development, Ezequiel Dias Foundation, Belo Horizonte, Brazil
| | - Bárbara R Silvestrini
- Pharmaceutical Research and Development, Ezequiel Dias Foundation, Belo Horizonte, Brazil
| | - Juliana Vieira
- Department of Ophthalmology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Mayara R B Paiva
- Pharmaceutical Research and Development, Ezequiel Dias Foundation, Belo Horizonte, Brazil
| | - Luciana M Silva
- Department of Cell Biology, Ezequiel Dias Foundation, Belo Horizonte, Minas Gerais Brazil
| | - Fernando Chahud
- Department of Pathology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Armando Silva-Cunha
- School of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Zelia M Correa
- Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins Medicine, Baltimore, MD USA.,Department of Ophthalmology, University of Cincinnati College of Medicine, Cincinnati, OH USA
| | - Rodrigo Jorge
- Department of Ophthalmology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
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Vieira J, Amorim J, Martí-Bonmatí L, Alberich-Bayarri Á, França M. Quantifying steatosis in the liver and pancreas with MRI in patient with chronic liver disease. Radiología (English Edition) 2020. [DOI: 10.1016/j.rxeng.2019.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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25
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Gschwendtner E, Turner M, Adli E, Ahuja A, Apsimon O, Apsimon R, Bachmann AM, Batsch F, Bracco C, Braunmüller F, Burger S, Burt G, Buttenschön B, Caldwell A, Chappell J, Chevallay E, Chung M, Cooke D, Damerau H, Deubner LH, Dexter A, Doebert S, Farmer J, Fedosseev VN, Fiorito R, Fonseca RA, Friebel F, Garolfi L, Gessner S, Goddard B, Gorgisyan I, Gorn AA, Granados E, Grulke O, Hartin A, Helm A, Henderson JR, Hüther M, Ibison M, Jolly S, Keeble F, Kelisani MD, Kim SY, Kraus F, Krupa M, Lefevre T, Li Y, Liu S, Lopes N, Lotov KV, Martyanov M, Mazzoni S, Minakov VA, Molendijk JC, Moody JT, Moreira M, Muggli P, Panuganti H, Pardons A, Peña Asmus F, Perera A, Petrenko A, Pukhov A, Rey S, Sherwood P, Silva LO, Sosedkin AP, Tuev PV, Velotti F, Verra L, Verzilov VA, Vieira J, Welsch CP, Wendt M, Williamson B, Wing M, Woolley B, Xia G. Correction to 'Proton-driven plasma wakefield acceleration in AWAKE'. Philos Trans A Math Phys Eng Sci 2020; 378:20190539. [PMID: 31865874 PMCID: PMC6939239 DOI: 10.1098/rsta.2019.0539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
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26
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Vieira J, Amorim J, Martí-Bonmatí L, Alberich-Bayarri Á, França M. Quantifying steatosis in the liver and pancreas with MRI in patient with chronic liver disease. Radiologia (Engl Ed) 2020; 62:222-228. [PMID: 31932016 DOI: 10.1016/j.rx.2019.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 09/08/2019] [Accepted: 11/04/2019] [Indexed: 12/13/2022]
Abstract
AIM To compare pancreatic and hepatic steatosis quantified by proton density fat fraction (PDFF) on magnetic resonance imaging (MRI) in patients with chronic liver disease. MATERIAL AND METHODS This cross-sectional study included 46 adult patients who underwent liver biopsy for chronic viral hepatitis (n=19) or other chronic non-alcoholic liver diseases (NALD) (n=27). Liver biopsy was used as the gold standard for diagnosing and grading hepatic steatosis. All patients underwent clinical evaluation and MRI with a multi-echo chemical shift-encoded (MECSE) gradient-echo sequence for liver and pancreas PDFF quantification. We used Spearman's correlation coefficient to determine the degree of association between hepatic PDFF and steatosis grade, and between pancreatic PDFF and steatosis grade and hepatic PDFF. To compare the chronic viral hepatitis group and the NALD group, we used t-tests for continuous or ordinal variables and chi-square tests for categorical variables. RESULTS Hepatic PDFF measurements correlated with steatosis grades (RS=0.875, p<0.001). Pancreatic PDFF correlated with hepatic steatosis grades (RS=0.573, p<0.001) and hepatic PDFF measurements (RS=0.536, p<0.001). In the subgroup of patients with chronic NALD, the correlations remained significant between pancreatic PDFF and hepatic PDFF (RS=0.632, p<0.001) and between pancreatic PDFF and liver steatosis (RS=0.608, p<0.001); however, in the subgroup of patients with viral hepatitis these correlations were no longer significant. CONCLUSION Pancreatic fat deposition correlates with hepatic steatosis in patients with chronic NALD, but not in those with chronic viral hepatitis.
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Affiliation(s)
- J Vieira
- Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidad de Oporto, Oporto, Portugal.
| | - J Amorim
- Departamento de Diagnóstico por la Imagen, Centro Hospitalar do Porto, Oporto, Portugal; Escola de Medicina, Universidade do Minho, Braga, Portugal; ICVS/3B's, Instituto de Investigación de Ciencias de la Vida y la Salud, Universidade do Minho, Braga, Portugal
| | - L Martí-Bonmatí
- Departamento de Radiología y Grupo de Investigación Biomédica en Imagen GIBI2(30). Hospital Universitario y Politécnico La Fe e Instituto de Investigación Sanitaria La Fe, Valencia, España
| | - Á Alberich-Bayarri
- Departamento de Radiología y Grupo de Investigación Biomédica en Imagen GIBI2(30). Hospital Universitario y Politécnico La Fe e Instituto de Investigación Sanitaria La Fe, Valencia, España; Quantitative Imaging Biomarkers in Medicine (QUIBIM), Valencia, España
| | - M França
- Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidad de Oporto, Oporto, Portugal; Departamento de Diagnóstico por la Imagen, Centro Hospitalar do Porto, Oporto, Portugal; i3S, Instituto de Investigacão e Inovação em Saúde, IBMC, Instituto de Biología Molecular y Celular, Oporto, Portugal
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27
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Gschwendtner E, Turner M, Adli E, Ahuja A, Apsimon O, Apsimon R, Bachmann AM, Batsch F, Bracco C, Braunmüller F, Burger S, Burt G, Buttenschön B, Caldwell A, Chappell J, Chevallay E, Chung M, Cooke D, Damerau H, Deubner LH, Dexter A, Doebert S, Farmer J, Fedosseev VN, Fiorito R, Fonseca RA, Friebel F, Garolfi L, Gessner S, Goddard B, Gorgisyan I, Gorn AA, Granados E, Grulke O, Hartin A, Helm A, Henderson JR, Hüther M, Ibison M, Jolly S, Keeble F, Kelisani MD, Kim SY, Kraus F, Krupa M, Lefevre T, Li Y, Liu S, Lopes N, Lotov KV, Martyanov M, Mazzoni S, Minakov VA, Molendijk JC, Moody JT, Moreira M, Muggli P, Panuganti H, Pardons A, Peña Asmus F, Perera A, Petrenko A, Pukhov A, Rey S, Sherwood P, Silva LO, Sosedkin AP, Tuev PV, Velotti F, Verra L, Verzilov VA, Vieira J, Welsch CP, Wendt M, Williamson B, Wing M, Woolley B, Xia G. Proton-driven plasma wakefield acceleration in AWAKE. Philos Trans A Math Phys Eng Sci 2019; 377:20180418. [PMID: 31230571 PMCID: PMC6602911 DOI: 10.1098/rsta.2018.0418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/25/2019] [Indexed: 06/09/2023]
Abstract
In this article, we briefly summarize the experiments performed during the first run of the Advanced Wakefield Experiment, AWAKE, at CERN (European Organization for Nuclear Research). The final goal of AWAKE Run 1 (2013-2018) was to demonstrate that 10-20 MeV electrons can be accelerated to GeV energies in a plasma wakefield driven by a highly relativistic self-modulated proton bunch. We describe the experiment, outline the measurement concept and present first results. Last, we outline our plans for the future. This article is part of the Theo Murphy meeting issue 'Directions in particle beam-driven plasma wakefield acceleration'.
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Affiliation(s)
| | | | - E. Adli
- University of Oslo, Oslo, Norway
| | | | - O. Apsimon
- University of Manchester, Manchester, UK
- Cockcroft Institute, Daresbury, UK
| | - R. Apsimon
- University of Manchester, Manchester, UK
- Cockcroft Institute, Daresbury, UK
| | - A.-M. Bachmann
- CERN, Geneva, Switzerland
- Max Planck Institute for Physics, Munich, Germany
- Technical University Munich, Munich, Germany
| | - F. Batsch
- CERN, Geneva, Switzerland
- Max Planck Institute for Physics, Munich, Germany
- Technical University Munich, Munich, Germany
| | | | | | | | - G. Burt
- Cockcroft Institute, Daresbury, UK
- Lancaster University, Lancaster, UK
| | - B. Buttenschön
- Max Planck Institute for Plasma Physics, Greifswald, Germany
| | - A. Caldwell
- Max Planck Institute for Physics, Munich, Germany
| | | | | | | | | | | | | | - A. Dexter
- Cockcroft Institute, Daresbury, UK
- Lancaster University, Lancaster, UK
| | | | - J. Farmer
- Heinrich-Heine-University of Düsseldorf, Düsseldorf, Germany
| | | | - R. Fiorito
- Cockcroft Institute, Daresbury, UK
- University of Liverpool, Liverpool, UK
| | - R. A. Fonseca
- ISCTE - Instituto Universitéario de Lisboa, Portugal
| | | | | | | | | | | | - A. A. Gorn
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | | | - O. Grulke
- Max Planck Institute for Plasma Physics, Greifswald, Germany
- Technical University of Denmark, Lyngby, Denmark
| | | | - A. Helm
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - J. R. Henderson
- Cockcroft Institute, Daresbury, UK
- Lancaster University, Lancaster, UK
| | - M. Hüther
- Max Planck Institute for Physics, Munich, Germany
| | - M. Ibison
- Cockcroft Institute, Daresbury, UK
- University of Liverpool, Liverpool, UK
| | | | | | | | | | - F. Kraus
- Philipps-Universität Marburg, Marburg, Germany
| | | | | | - Y. Li
- University of Manchester, Manchester, UK
- Cockcroft Institute, Daresbury, UK
| | - S. Liu
- TRIUMF, Vancouver, Canada
| | - N. Lopes
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - K. V. Lotov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - M. Martyanov
- Max Planck Institute for Physics, Munich, Germany
| | | | - V. A. Minakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | | | - J. T. Moody
- Max Planck Institute for Physics, Munich, Germany
| | - M. Moreira
- CERN, Geneva, Switzerland
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - P. Muggli
- CERN, Geneva, Switzerland
- Max Planck Institute for Physics, Munich, Germany
| | | | | | - F. Peña Asmus
- Max Planck Institute for Physics, Munich, Germany
- Technical University Munich, Munich, Germany
| | - A. Perera
- Cockcroft Institute, Daresbury, UK
- University of Liverpool, Liverpool, UK
| | - A. Petrenko
- CERN, Geneva, Switzerland
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - A. Pukhov
- Heinrich-Heine-University of Düsseldorf, Düsseldorf, Germany
| | - S. Rey
- CERN, Geneva, Switzerland
| | | | - L. O. Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - A. P. Sosedkin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - P. V. Tuev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | | | - L. Verra
- CERN, Geneva, Switzerland
- University of Milan, Milan, Italy
| | | | - J. Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - C. P. Welsch
- Cockcroft Institute, Daresbury, UK
- University of Liverpool, Liverpool, UK
| | | | - B. Williamson
- University of Manchester, Manchester, UK
- Cockcroft Institute, Daresbury, UK
| | | | | | - G. Xia
- University of Manchester, Manchester, UK
- Cockcroft Institute, Daresbury, UK
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Cerveira N, Ferreira R, Bizarro S, Correira C, Torres L, Lisboa S, Vieira J, Santos R, Campilho F, Pinho Vaz C, Leite L, Teixeira M, Campos A. PB1922 PONATINIB INDUCES A SUSTAINED DEEP MOLECULAR RESPONSE IN A CHRONIC MYELOID LEUKAEMIA PATIENT WITH AN EARLY RELAPSE WITH A T315I MUTATION FOLLOWING ALLOGENEIC HEMATOPOIETIC STEM CELL TRANSPLANTATION. Hemasphere 2019. [DOI: 10.1097/01.hs9.0000566188.04988.71] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Scariot R, Weiss SG, Verbicaro T, Lima T, Vieira J, Klüppel LE, Sadao E, Zielak JC, Deliberador TM. Characterization of the Mental Foramen and Mental Loop Measures in Fresh Frozen Cadavers. J ORAL IMPLANTOL 2019; 45:499-502. [PMID: 31042445 DOI: 10.1563/aaid-joi-d-18-00281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Rafaela Scariot
- School of Health Sciences, Department of Dentistry, Universidade Positivo, Curitiba, Paraná, Brazil.,Graduate Program in Dentistry, Federal University of Parana, Curitiba, Paraná, Brazil
| | - Suyany Gabriely Weiss
- School of Health Sciences, Department of Dentistry, Universidade Positivo, Curitiba, Paraná, Brazil
| | - Thalyta Verbicaro
- School of Health Sciences, Department of Dentistry, Universidade Positivo, Curitiba, Paraná, Brazil
| | - Tuanny Lima
- School of Health Sciences, Department of Dentistry, Universidade Positivo, Curitiba, Paraná, Brazil
| | - Juliana Vieira
- School of Health Sciences, Department of Dentistry, Universidade Positivo, Curitiba, Paraná, Brazil
| | | | - Eduardo Sadao
- Department of Orthopedics Oncology, Santa Casa de São Paulo, São Paulo, Brazil.,MARC Institute, Miami, Fla
| | - João César Zielak
- School of Health Sciences, Department of Dentistry, Universidade Positivo, Curitiba, Paraná, Brazil
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Adli E, Ahuja A, Apsimon O, Apsimon R, Bachmann AM, Barrientos D, Barros MM, Batkiewicz J, Batsch F, Bauche J, Berglyd Olsen VK, Bernardini M, Biskup B, Boccardi A, Bogey T, Bohl T, Bracco C, Braunmüller F, Burger S, Burt G, Bustamante S, Buttenschön B, Caldwell A, Cascella M, Chappell J, Chevallay E, Chung M, Cooke D, Damerau H, Deacon L, Deubner LH, Dexter A, Doebert S, Farmer J, Fedosseev VN, Fior G, Fiorito R, Fonseca RA, Friebel F, Garolfi L, Gessner S, Gorgisyan I, Gorn AA, Granados E, Grulke O, Gschwendtner E, Guerrero A, Hansen J, Helm A, Henderson JR, Hessler C, Hofle W, Hüther M, Ibison M, Jensen L, Jolly S, Keeble F, Kim SY, Kraus F, Lefevre T, LeGodec G, Li Y, Liu S, Lopes N, Lotov KV, Maricalva Brun L, Martyanov M, Mazzoni S, Medina Godoy D, Minakov VA, Mitchell J, Molendijk JC, Mompo R, Moody JT, Moreira M, Muggli P, Mutin C, Öz E, Ozturk E, Pasquino C, Pardons A, Peña Asmus F, Pepitone K, Perera A, Petrenko A, Pitman S, Plyushchev G, Pukhov A, Rey S, Rieger K, Ruhl H, Schmidt JS, Shalimova IA, Shaposhnikova E, Sherwood P, Silva LO, Soby L, Sosedkin AP, Speroni R, Spitsyn RI, Tuev PV, Turner M, Velotti F, Verra L, Verzilov VA, Vieira J, Vincke H, Welsch CP, Williamson B, Wing M, Woolley B, Xia G. Experimental Observation of Proton Bunch Modulation in a Plasma at Varying Plasma Densities. Phys Rev Lett 2019; 122:054802. [PMID: 30822008 DOI: 10.1103/physrevlett.122.054802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Indexed: 06/09/2023]
Abstract
We give direct experimental evidence for the observation of the full transverse self-modulation of a long, relativistic proton bunch propagating through a dense plasma. The bunch exits the plasma with a periodic density modulation resulting from radial wakefield effects. We show that the modulation is seeded by a relativistic ionization front created using an intense laser pulse copropagating with the proton bunch. The modulation extends over the length of the proton bunch following the seed point. By varying the plasma density over one order of magnitude, we show that the modulation frequency scales with the expected dependence on the plasma density, i.e., it is equal to the plasma frequency, as expected from theory.
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Affiliation(s)
- E Adli
- University of Oslo, 0316 Oslo, Norway
| | - A Ahuja
- CERN, 1211 Geneva, Switzerland
| | - O Apsimon
- University of Manchester, M13 9PL Manchester, United Kingdom
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
| | - R Apsimon
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | - A-M Bachmann
- CERN, 1211 Geneva, Switzerland
- Max Planck Institute for Physics, 80805 Munich, Germany
- Technical University Munich, 80333 Munich, Germany
| | | | | | | | - F Batsch
- CERN, 1211 Geneva, Switzerland
- Max Planck Institute for Physics, 80805 Munich, Germany
- Technical University Munich, 80333 Munich, Germany
| | | | | | | | | | | | - T Bogey
- CERN, 1211 Geneva, Switzerland
| | - T Bohl
- CERN, 1211 Geneva, Switzerland
| | | | - F Braunmüller
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | - G Burt
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - B Buttenschön
- Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
| | - A Caldwell
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | | | | | - M Chung
- UNIST, 44919 Ulsan, Republic of Korea
| | - D Cooke
- UCL, WC1E 6BT London, United Kingdom
| | | | - L Deacon
- UCL, WC1E 6BT London, United Kingdom
| | - L H Deubner
- Philipps-Universität Marburg, 35032 Marburg, Germany
| | - A Dexter
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - J Farmer
- Heinrich-Heine-University of Düsseldorf, 40225 Düsseldorf, Germany
| | | | - G Fior
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - R Fiorito
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- University of Liverpool, L69 7ZE Liverpool, United Kingdom
| | - R A Fonseca
- ISCTE-Instituto Universitéario de Lisboa, 1649-026 Lisbon, Portugal
| | | | | | | | | | - A A Gorn
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | - O Grulke
- Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
- Technical University of Denmark, 2800 Lyngby, Denmark
| | | | | | | | - A Helm
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - J R Henderson
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - W Hofle
- CERN, 1211 Geneva, Switzerland
| | - M Hüther
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - M Ibison
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- University of Liverpool, L69 7ZE Liverpool, United Kingdom
| | | | - S Jolly
- UCL, WC1E 6BT London, United Kingdom
| | - F Keeble
- UCL, WC1E 6BT London, United Kingdom
| | - S-Y Kim
- UNIST, 44919 Ulsan, Republic of Korea
| | - F Kraus
- Philipps-Universität Marburg, 35032 Marburg, Germany
| | | | | | - Y Li
- University of Manchester, M13 9PL Manchester, United Kingdom
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
| | - S Liu
- TRIUMF, V6T 2A3 Vancouver, Canada
| | - N Lopes
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - K V Lotov
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | - M Martyanov
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | | | - V A Minakov
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | - J Mitchell
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - R Mompo
- CERN, 1211 Geneva, Switzerland
| | - J T Moody
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - M Moreira
- CERN, 1211 Geneva, Switzerland
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - P Muggli
- CERN, 1211 Geneva, Switzerland
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - C Mutin
- CERN, 1211 Geneva, Switzerland
| | - E Öz
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | | | | | - F Peña Asmus
- Max Planck Institute for Physics, 80805 Munich, Germany
- Technical University Munich, 80333 Munich, Germany
| | | | - A Perera
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- University of Liverpool, L69 7ZE Liverpool, United Kingdom
| | - A Petrenko
- CERN, 1211 Geneva, Switzerland
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
| | - S Pitman
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - A Pukhov
- Heinrich-Heine-University of Düsseldorf, 40225 Düsseldorf, Germany
| | - S Rey
- CERN, 1211 Geneva, Switzerland
| | - K Rieger
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - H Ruhl
- Ludwig-Maximilians-Universität, 80539 Munich, Germany
| | | | - I A Shalimova
- Novosibirsk State University, 630090 Novosibirsk, Russia
- Institute of Computational Mathematics and Mathematical Geophysics SB RAS, 630090 Novosibirsk, Russia
| | | | | | - L O Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - L Soby
- CERN, 1211 Geneva, Switzerland
| | - A P Sosedkin
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | - R I Spitsyn
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | - P V Tuev
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | | | - L Verra
- CERN, 1211 Geneva, Switzerland
- University of Milan, 20122 Milan, Italy
| | | | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | | | - C P Welsch
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- University of Liverpool, L69 7ZE Liverpool, United Kingdom
| | - B Williamson
- University of Manchester, M13 9PL Manchester, United Kingdom
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
| | - M Wing
- UCL, WC1E 6BT London, United Kingdom
| | | | - G Xia
- University of Manchester, M13 9PL Manchester, United Kingdom
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
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Turner M, Adli E, Ahuja A, Apsimon O, Apsimon R, Bachmann AM, Barros Marin M, Barrientos D, Batsch F, Batkiewicz J, Bauche J, Berglyd Olsen VK, Bernardini M, Biskup B, Boccardi A, Bogey T, Bohl T, Bracco C, Braunmüller F, Burger S, Burt G, Bustamante S, Buttenschön B, Caldwell A, Cascella M, Chappell J, Chevallay E, Chung M, Cooke D, Damerau H, Deacon L, Deubner LH, Dexter A, Doebert S, Farmer J, Fedosseev VN, Fior G, Fiorito R, Fonseca RA, Friebel F, Garolfi L, Gessner S, Gorgisyan I, Gorn AA, Granados E, Grulke O, Gschwendtner E, Guerrero A, Hansen J, Helm A, Henderson JR, Hessler C, Hofle W, Hüther M, Ibison M, Jensen L, Jolly S, Keeble F, Kim SY, Kraus F, Lefevre T, LeGodec G, Li Y, Liu S, Lopes N, Lotov KV, Maricalva Brun L, Martyanov M, Mazzoni S, Medina Godoy D, Minakov VA, Mitchell J, Molendijk JC, Mompo R, Moody JT, Moreira M, Muggli P, Öz E, Ozturk E, Mutin C, Pasquino C, Pardons A, Peña Asmus F, Pepitone K, Perera A, Petrenko A, Pitman S, Plyushchev G, Pukhov A, Rey S, Rieger K, Ruhl H, Schmidt JS, Shalimova IA, Shaposhnikova E, Sherwood P, Silva LO, Soby L, Sosedkin AP, Speroni R, Spitsyn RI, Tuev PV, Velotti F, Verra L, Verzilov VA, Vieira J, Vincke H, Welsch CP, Williamson B, Wing M, Woolley B, Xia G. Experimental Observation of Plasma Wakefield Growth Driven by the Seeded Self-Modulation of a Proton Bunch. Phys Rev Lett 2019; 122:054801. [PMID: 30822039 DOI: 10.1103/physrevlett.122.054801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Indexed: 06/09/2023]
Abstract
We measure the effects of transverse wakefields driven by a relativistic proton bunch in plasma with densities of 2.1×10^{14} and 7.7×10^{14} electrons/cm^{3}. We show that these wakefields periodically defocus the proton bunch itself, consistently with the development of the seeded self-modulation process. We show that the defocusing increases both along the bunch and along the plasma by using time resolved and time-integrated measurements of the proton bunch transverse distribution. We evaluate the transverse wakefield amplitudes and show that they exceed their seed value (<15 MV/m) and reach over 300 MV/m. All these results confirm the development of the seeded self-modulation process, a necessary condition for external injection of low energy and acceleration of electrons to multi-GeV energy levels.
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Affiliation(s)
| | - E Adli
- University of Oslo, 0316 Oslo, Norway
| | - A Ahuja
- CERN, 1211 Geneva, Switzerland
| | - O Apsimon
- University of Manchester, M13 9PL Manchester, United Kingdom
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
| | - R Apsimon
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | - A-M Bachmann
- CERN, 1211 Geneva, Switzerland
- Max Planck Institute for Physics, 80805 Munich, Germany
- Technical University Munich, 80333 Munich, Germany
| | | | | | - F Batsch
- CERN, 1211 Geneva, Switzerland
- Max Planck Institute for Physics, 80805 Munich, Germany
- Technical University Munich, 80333 Munich, Germany
| | | | | | | | | | | | | | - T Bogey
- CERN, 1211 Geneva, Switzerland
| | - T Bohl
- CERN, 1211 Geneva, Switzerland
| | | | - F Braunmüller
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | - G Burt
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - B Buttenschön
- Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
| | - A Caldwell
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | | | | | - M Chung
- UNIST, 44919 Ulsan, Republic of Korea
| | - D Cooke
- UCL, WC1E 6BT London, United Kingdom
| | | | - L Deacon
- UCL, WC1E 6BT London, United Kingdom
| | - L H Deubner
- Philipps-Universität Marburg, 35032 Marburg, Germany
| | - A Dexter
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - J Farmer
- Heinrich-Heine-University of Düsseldorf, 40225 Düsseldorf, Germany
| | | | - G Fior
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - R Fiorito
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- University of Liverpool, L69 7ZE Liverpool, United Kingdom
| | - R A Fonseca
- ISCTE-Instituto Universitéario de Lisboa, 1649-026 Lisbon, Portugal
| | | | | | | | | | - A A Gorn
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | - O Grulke
- Max Planck Institute for Plasma Physics, 17491 Greifswald, Germany
- Technical University of Denmark, 2800 Lyngby, Denmark
| | | | | | | | - A Helm
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - J R Henderson
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - W Hofle
- CERN, 1211 Geneva, Switzerland
| | - M Hüther
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - M Ibison
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- University of Liverpool, L69 7ZE Liverpool, United Kingdom
| | | | - S Jolly
- UCL, WC1E 6BT London, United Kingdom
| | - F Keeble
- UCL, WC1E 6BT London, United Kingdom
| | - S-Y Kim
- UNIST, 44919 Ulsan, Republic of Korea
| | - F Kraus
- Philipps-Universität Marburg, 35032 Marburg, Germany
| | | | | | - Y Li
- University of Manchester, M13 9PL Manchester, United Kingdom
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
| | - S Liu
- TRIUMF, V6T 2A3 Vancouver, Canada
| | - N Lopes
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - K V Lotov
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | - M Martyanov
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | | | - V A Minakov
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | - J Mitchell
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | | | - R Mompo
- CERN, 1211 Geneva, Switzerland
| | - J T Moody
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - M Moreira
- CERN, 1211 Geneva, Switzerland
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - P Muggli
- CERN, 1211 Geneva, Switzerland
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - E Öz
- Max Planck Institute for Physics, 80805 Munich, Germany
| | | | - C Mutin
- CERN, 1211 Geneva, Switzerland
| | | | | | - F Peña Asmus
- Max Planck Institute for Physics, 80805 Munich, Germany
- Technical University Munich, 80333 Munich, Germany
| | | | - A Perera
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- University of Liverpool, L69 7ZE Liverpool, United Kingdom
| | - A Petrenko
- CERN, 1211 Geneva, Switzerland
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
| | - S Pitman
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- Lancaster University, LA1 4YB Lancaster, United Kingdom
| | - G Plyushchev
- CERN, 1211 Geneva, Switzerland
- Swiss Plasma Center, EPFL, 1015 Lausanne, Switzerland
| | - A Pukhov
- Heinrich-Heine-University of Düsseldorf, 40225 Düsseldorf, Germany
| | - S Rey
- CERN, 1211 Geneva, Switzerland
| | - K Rieger
- Max Planck Institute for Physics, 80805 Munich, Germany
| | - H Ruhl
- Ludwig-Maximilians-Universität, 80539 Munich, Germany
| | | | - I A Shalimova
- Novosibirsk State University, 630090 Novosibirsk, Russia
- Institute of Computational Mathematics and Mathematical Geophysics SB RAS, 630090 Novosibirsk, Russia
| | | | | | - L O Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - L Soby
- CERN, 1211 Geneva, Switzerland
| | - A P Sosedkin
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | - R I Spitsyn
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | - P V Tuev
- Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk, Russia
- Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | - L Verra
- CERN, 1211 Geneva, Switzerland
- University of Milan, 20122 Milan, Italy
| | | | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | | | - C P Welsch
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
- University of Liverpool, L69 7ZE Liverpool, United Kingdom
| | - B Williamson
- University of Manchester, M13 9PL Manchester, United Kingdom
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
| | - M Wing
- UCL, WC1E 6BT London, United Kingdom
| | | | - G Xia
- University of Manchester, M13 9PL Manchester, United Kingdom
- Cockcroft Institute, WA4 4AD Daresbury, United Kingdom
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Pires-Luis A, Montezuma D, Vieira J, Ramalho-Carvalho J, Santos C, Teixeira M, Jerónimo C, Henrique R. Hybrid oncocytic/chromophobe renal cell tumor: An integrated genetic and epigenetic characterization of a case. Exp Mol Pathol 2018; 105:352-356. [DOI: 10.1016/j.yexmp.2018.10.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 08/09/2018] [Accepted: 10/17/2018] [Indexed: 10/28/2022]
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Abstract
We provide an explicit model for a spin-1/2 quasi-particle, based on the superposition of plasmon excitations in a quantum plasmas with intrinsic orbital angular momentum. Such quasi-particle solutions can show remarkable similarities with single electrons moving in vacuum: they have spin-1/2, a finite rest mass, and a quantum dispersion. We also show that these quasi-particle solutions satisfy a criterium of energy minimum.
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Shi Y, Vieira J, Trines RMGM, Bingham R, Shen BF, Kingham RJ. Magnetic Field Generation in Plasma Waves Driven by Copropagating Intense Twisted Lasers. Phys Rev Lett 2018; 121:145002. [PMID: 30339446 DOI: 10.1103/physrevlett.121.145002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Indexed: 06/08/2023]
Abstract
We present a new magnetic field generation mechanism in underdense plasmas driven by the beating of two, copropagating, Laguerre-Gaussian orbital angular momentum laser pulses with different frequencies and also different twist indices. The resulting twisted ponderomotive force drives up an electron plasma wave with a helical rotating structure. To second order, there is a nonlinear rotating current leading to the onset of an intense, static axial magnetic field, which persists over a long time in the plasma (ps scale) after the laser pulses have passed by. The results are confirmed in three-dimensional particle-in-cell simulations and also theoretical analysis. For the case of 300 fs duration, 3.8×10^{17} W/cm^{2} peak laser intensity we observe magnetic field of up to 0.4 MG. This new method of magnetic field creation may find applications in charged beam collimation and microscale pinch.
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Affiliation(s)
- Y Shi
- Blackett Laboratory, Imperial College London, London SW7 2AZ, United Kingdom
| | - J Vieira
- GoLP/Instituto Superior Técnico, Universidade de Lisboa, Lisbon 1049-001, Portugal
| | - R M G M Trines
- Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot OX11 0QX, United Kingdom
| | - R Bingham
- Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot OX11 0QX, United Kingdom
- Department of Physics, University of Strathclyde, Strathclyde G4 0NG, United Kingdom
| | - B F Shen
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- Department of Physics, Shanghai Normal University, Shanghai 200234, China
| | - R J Kingham
- Blackett Laboratory, Imperial College London, London SW7 2AZ, United Kingdom
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Garrido C, Palavra F, Cardoso M, Sousa A, Rocha R, Alves D, Santos M, Vila Real M, Vieira J, Coelho T, Fineza I, Moreno T, Santos M. DUCHENNE MUSCULAR DYSTROPHY – CLINICAL. Neuromuscul Disord 2018. [DOI: 10.1016/j.nmd.2018.06.045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Adli E, Ahuja A, Apsimon O, Apsimon R, Bachmann AM, Barrientos D, Batsch F, Bauche J, Berglyd Olsen VK, Bernardini M, Bohl T, Bracco C, Braunmüller F, Burt G, Buttenschön B, Caldwell A, Cascella M, Chappell J, Chevallay E, Chung M, Cooke D, Damerau H, Deacon L, Deubner LH, Dexter A, Doebert S, Farmer J, Fedosseev VN, Fiorito R, Fonseca RA, Friebel F, Garolfi L, Gessner S, Gorgisyan I, Gorn AA, Granados E, Grulke O, Gschwendtner E, Hansen J, Helm A, Henderson JR, Hüther M, Ibison M, Jensen L, Jolly S, Keeble F, Kim SY, Kraus F, Li Y, Liu S, Lopes N, Lotov KV, Maricalva Brun L, Martyanov M, Mazzoni S, Medina Godoy D, Minakov VA, Mitchell J, Molendijk JC, Moody JT, Moreira M, Muggli P, Öz E, Pasquino C, Pardons A, Peña Asmus F, Pepitone K, Perera A, Petrenko A, Pitman S, Pukhov A, Rey S, Rieger K, Ruhl H, Schmidt JS, Shalimova IA, Sherwood P, Silva LO, Soby L, Sosedkin AP, Speroni R, Spitsyn RI, Tuev PV, Turner M, Velotti F, Verra L, Verzilov VA, Vieira J, Welsch CP, Williamson B, Wing M, Woolley B, Xia G. Acceleration of electrons in the plasma wakefield of a proton bunch. Nature 2018; 561:363-367. [PMID: 30188496 PMCID: PMC6786972 DOI: 10.1038/s41586-018-0485-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 08/14/2018] [Indexed: 12/03/2022]
Abstract
High-energy particle accelerators have been crucial in providing a deeper understanding of fundamental particles and the forces that govern their interactions. To increase the energy of the particles or to reduce the size of the accelerator, new acceleration schemes need to be developed. Plasma wakefield acceleration1–5, in which the electrons in a plasma are excited, leading to strong electric fields (so called ‘wakefields’), is one such promising acceleration technique. Experiments have shown that an intense laser pulse6–9 or electron bunch10,11 traversing a plasma can drive electric fields of tens of gigavolts per metre and above—well beyond those achieved in conventional radio-frequency accelerators (about 0.1 gigavolt per metre). However, the low stored energy of laser pulses and electron bunches means that multiple acceleration stages are needed to reach very high particle energies5,12. The use of proton bunches is compelling because they have the potential to drive wakefields and to accelerate electrons to high energy in a single acceleration stage13. Long, thin proton bunches can be used because they undergo a process called self-modulation14–16, a particle–plasma interaction that splits the bunch longitudinally into a series of high-density microbunches, which then act resonantly to create large wakefields. The Advanced Wakefield (AWAKE) experiment at CERN17–19 uses high-intensity proton bunches—in which each proton has an energy of 400 gigaelectronvolts, resulting in a total bunch energy of 19 kilojoules—to drive a wakefield in a ten-metre-long plasma. Electron bunches are then injected into this wakefield. Here we present measurements of electrons accelerated up to two gigaelectronvolts at the AWAKE experiment, in a demonstration of proton-driven plasma wakefield acceleration. Measurements were conducted under various plasma conditions and the acceleration was found to be consistent and reliable. The potential for this scheme to produce very high-energy electron bunches in a single accelerating stage20 means that our results are an important step towards the development of future high-energy particle accelerators21,22. Electron acceleration to very high energies is achieved in a single step by injecting electrons into a ‘wake’ of charge created in a 10-metre-long plasma by speeding long proton bunches.
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Affiliation(s)
- E Adli
- University of Oslo, Oslo, Norway
| | | | - O Apsimon
- University of Manchester, Manchester, UK.,Cockcroft Institute, Daresbury, UK
| | - R Apsimon
- Cockcroft Institute, Daresbury, UK.,Lancaster University, Lancaster, UK
| | - A-M Bachmann
- CERN, Geneva, Switzerland.,Max Planck Institute for Physics, Munich, Germany.,Technical University Munich, Munich, Germany
| | | | - F Batsch
- CERN, Geneva, Switzerland.,Max Planck Institute for Physics, Munich, Germany.,Technical University Munich, Munich, Germany
| | | | | | | | - T Bohl
- CERN, Geneva, Switzerland
| | | | | | - G Burt
- Cockcroft Institute, Daresbury, UK.,Lancaster University, Lancaster, UK
| | - B Buttenschön
- Max Planck Institute for Plasma Physics, Greifswald, Germany
| | - A Caldwell
- Max Planck Institute for Physics, Munich, Germany
| | | | | | | | | | | | | | | | - L H Deubner
- Philipps-Universität Marburg, Marburg, Germany
| | - A Dexter
- Cockcroft Institute, Daresbury, UK.,Lancaster University, Lancaster, UK
| | | | - J Farmer
- Heinrich-Heine-University of Düsseldorf, Düsseldorf, Germany
| | | | - R Fiorito
- Cockcroft Institute, Daresbury, UK.,University of Liverpool, Liverpool, UK
| | - R A Fonseca
- ISCTE-Instituto Universitéario de Lisboa, Lisbon, Portugal
| | | | | | | | | | - A A Gorn
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | | | - O Grulke
- Max Planck Institute for Plasma Physics, Greifswald, Germany.,Technical University of Denmark, Lyngby, Denmark
| | | | | | - A Helm
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - J R Henderson
- Cockcroft Institute, Daresbury, UK.,Lancaster University, Lancaster, UK
| | - M Hüther
- Max Planck Institute for Physics, Munich, Germany
| | - M Ibison
- Cockcroft Institute, Daresbury, UK.,University of Liverpool, Liverpool, UK
| | | | | | | | | | - F Kraus
- Philipps-Universität Marburg, Marburg, Germany
| | - Y Li
- University of Manchester, Manchester, UK.,Cockcroft Institute, Daresbury, UK
| | - S Liu
- TRIUMF, Vancouver, British Columbia, Canada
| | - N Lopes
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - K V Lotov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | | | - M Martyanov
- Max Planck Institute for Physics, Munich, Germany
| | | | | | - V A Minakov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | - J Mitchell
- Cockcroft Institute, Daresbury, UK.,Lancaster University, Lancaster, UK
| | | | - J T Moody
- Max Planck Institute for Physics, Munich, Germany
| | - M Moreira
- CERN, Geneva, Switzerland.,GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - P Muggli
- CERN, Geneva, Switzerland.,Max Planck Institute for Physics, Munich, Germany
| | - E Öz
- Max Planck Institute for Physics, Munich, Germany
| | | | | | - F Peña Asmus
- Max Planck Institute for Physics, Munich, Germany.,Technical University Munich, Munich, Germany
| | | | - A Perera
- Cockcroft Institute, Daresbury, UK.,University of Liverpool, Liverpool, UK
| | - A Petrenko
- CERN, Geneva, Switzerland.,Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia
| | - S Pitman
- Cockcroft Institute, Daresbury, UK.,Lancaster University, Lancaster, UK
| | - A Pukhov
- Heinrich-Heine-University of Düsseldorf, Düsseldorf, Germany
| | - S Rey
- CERN, Geneva, Switzerland
| | - K Rieger
- Max Planck Institute for Physics, Munich, Germany
| | - H Ruhl
- Ludwig-Maximilians-Universität, Munich, Germany
| | | | - I A Shalimova
- Novosibirsk State University, Novosibirsk, Russia.,Institute of Computational Mathematics and Mathematical Geophysics SB RAS, Novosibirsk, Russia
| | | | - L O Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - L Soby
- CERN, Geneva, Switzerland
| | - A P Sosedkin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | | | - R I Spitsyn
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | - P V Tuev
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | | | | | - L Verra
- CERN, Geneva, Switzerland.,University of Milan, Milan, Italy
| | | | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - C P Welsch
- Cockcroft Institute, Daresbury, UK.,University of Liverpool, Liverpool, UK
| | - B Williamson
- University of Manchester, Manchester, UK.,Cockcroft Institute, Daresbury, UK
| | | | | | - G Xia
- University of Manchester, Manchester, UK.,Cockcroft Institute, Daresbury, UK
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Abstract
We propose a twisted plasma accelerator capable of generating relativistic electron vortex beams with helical current profiles. The angular momentum of these vortex bunches is quantized, dominates their transverse motion, and results in spiraling particle trajectories around the twisted wakefield. We focus on a laser wakefield acceleration scenario, driven by a laser beam with a helical spatiotemporal intensity profile, also known as a light spring. We find that these light springs can rotate as they excite the twisted plasma wakefield, providing a new mechanism to control the twisted wakefield phase velocity and enhance energy gain and trapping efficiency beyond planar wakefields.
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Affiliation(s)
- J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - J T Mendonça
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
| | - F Quéré
- LIDYL, CEA, CNRS, Université Paris-Saclay, CEA Saclay, 91 191 Gif-sur-Yvette, France
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38
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Correia T, Carapinheiro G, Carvalho H, Silva JM, Vieira J. Listening to doctors on patients' use of healthcare during the crisis: uncovering a different picture and drawing lessons from Portugal. J Public Health (Oxf) 2018; 39:e56-e62. [PMID: 27521924 DOI: 10.1093/pubmed/fdw071] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Accepted: 06/05/2016] [Indexed: 11/14/2022] Open
Abstract
Background The consequences of financial crises on patients' use of healthcare have been widely discussed. This paper seeks to ascertain whether the position of key players, i.e. doctors, may reveal realities other than those officially reported about the 2008 financial crisis. Methods In 2013-14, a national survey of doctors was conducted in Portugal, which received international assistance in the wake of the financial crisis. An exploratory model comprising descriptive statistics, regression and independence analyses focused on doctors' experience of patients' use of medications, consultations, exams and treatment services, and whether they stopped treatments. Results According to doctors, an unspecified number of patients experienced difficulties using healthcare as more patients requested prescriptions for cheaper medications or simply stopped treatments. Significant variations were found according to speciality, years of practice and sector of activity. Conclusions Cost-containment mechanisms are regarded as necessary. However, the evidence indicated a side effect, i.e. a decrease in patients' ability to use healthcare, including in the National Health Service (NHS). It also highlighted the need to listen to health professionals as key informants on patient's behaviour and the daily functioning of health services.
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Affiliation(s)
- T Correia
- Instituto Universitário de Lisboa (ISCTE-IUL), 1649-026 Lisbon, Portugal
| | - G Carapinheiro
- Instituto Universitário de Lisboa (ISCTE-IUL), 1649-026 Lisbon, Portugal
| | - H Carvalho
- Instituto Universitário de Lisboa (ISCTE-IUL), 1649-026 Lisbon, Portugal
| | - J M Silva
- Portuguese Medical Association, 1749-084 Lisbon, Portugal
| | - J Vieira
- Instituto Universitário de Lisboa (ISCTE-IUL), 1649-026 Lisbon, Portugal
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39
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Sales F, Ferreira-Silva J, Vieira J, Basto S, Filho P, Rocha J, Moura MT, Oliveira M. Freezing of Stallion Semen: in vitro and in vivo Evaluation of Sperm Motility and Acrosin Activity in Frozen-thawed Semen with Addition of Post-diluent Extenders. Cryo Letters 2018; 39:401-407. [PMID: 30963158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
BACKGROUND Post-diluents could potentially increase semen cryotolerance, but remain poorly explored in horses. OBJECTIVE The aim was to evaluate the efficiency of post-diluents on frozen-thawed semen viability of two stallions (S1-S2). MATERIALS AND METHODS The cryopreserved semen was thawed at 50°C for 40 seconds. Semen motility and acrosin activity (AA) were determined during the thermo-resistance test (TRT). RESULTS Progressive motility of S2 semen decreased after 60 and 90 minutes of TRT (TRT60 and TRT90) on the control compared to both post-diluents. The total motility of both S1 and S2 decreased on TRT60 and TRT90 semen control versus both Ringer and Merk post-diluents. The AA on S1 was higher than S2 throughout the TRT. Pregnancy rates after artificial insemination (AI) were similar among post-diluents and stallions. CONCLUSION Post-diluents do not contribute to predicting frozen-thawed semen fertility or the efficiency of equine AI.
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Affiliation(s)
- F Sales
- Laboratório de Biotécnicas Reprodutivas, Universidade Federal Rural de Pernambuco, Recife-PE, Brasil
| | - J Ferreira-Silva
- Laboratório de Biotécnicas Reprodutivas, Universidade Federal Rural de Pernambuco, Recife-PE, Brasil
| | - J Vieira
- Laboratório de Biotécnicas Reprodutivas, Universidade Federal Rural de Pernambuco, Recife-PE, Brasil
| | - S Basto
- Laboratório de Biotécnicas Reprodutivas, Universidade Federal Rural de Pernambuco, Recife-PE, Brasil
| | - P Filho
- Laboratório de Biotécnicas Reprodutivas, Universidade Federal Rural de Pernambuco, Recife-PE, Brasil
| | - J Rocha
- Universidade Federal do Rio Grande do Norte, Natal-RN, Brasil
| | - M T Moura
- Laboratório de Biotécnicas Reprodutivas, Universidade Federal Rural de Pernambuco, Recife-PE, Brasil
| | - M Oliveira
- Laboratório de Biotécnicas Reprodutivas, Universidade Federal Rural de Pernambuco, Recife-PE, Brasil.
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40
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Vieira J, Nunes G, Santos C, Fonseca J. SUN-P202: Serum Electrolytes and Outcome in Patients Undergoing Endoscopic Gastrostomy. Clin Nutr 2017. [DOI: 10.1016/s0261-5614(17)30426-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Kim HT, Pathak VB, Hong Pae K, Lifschitz A, Sylla F, Shin JH, Hojbota C, Lee SK, Sung JH, Lee HW, Guillaume E, Thaury C, Nakajima K, Vieira J, Silva LO, Malka V, Nam CH. Stable multi-GeV electron accelerator driven by waveform-controlled PW laser pulses. Sci Rep 2017; 7:10203. [PMID: 28860579 PMCID: PMC5579019 DOI: 10.1038/s41598-017-09267-1] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 07/18/2017] [Indexed: 12/04/2022] Open
Abstract
The achievable energy and the stability of accelerated electron beams have been the most critical issues in laser wakefield acceleration. As laser propagation, plasma wave formation and electron acceleration are highly nonlinear processes, the laser wakefield acceleration (LWFA) is extremely sensitive to initial experimental conditions. We propose a simple and elegant waveform control method for the LWFA process to enhance the performance of a laser electron accelerator by applying a fully optical and programmable technique to control the chirp of PW laser pulses. We found sensitive dependence of energy and stability of electron beams on the spectral phase of laser pulses and obtained stable 2-GeV electron beams from a 1-cm gas cell of helium. The waveform control technique for LWFA would prompt practical applications of centimeter-scale GeV-electron accelerators to a compact radiation sources in the x-ray and γ-ray regions.
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Affiliation(s)
- Hyung Taek Kim
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea.,Advanced Photonics Research Institute, GIST, Gwangju, 61005, Korea
| | - V B Pathak
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea
| | - Ki Hong Pae
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea.,Advanced Photonics Research Institute, GIST, Gwangju, 61005, Korea
| | - A Lifschitz
- Laboratoire d'Optique Appliquée (LOA), ENSTA ParisTech, CNRS UMR7639, École Polytechnique, Université Paris-Saclay, 828 Boulevard des Maréchaux, 91762, Palaiseau, France
| | - F Sylla
- SourceLAB SAS, 86 rue de Paris, 91400, Orsay, France
| | - Jung Hun Shin
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea
| | - C Hojbota
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea.,Departement of Physics and Photon Science, GIST, Gwangju, 61005, Korea
| | - Seong Ku Lee
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea.,Advanced Photonics Research Institute, GIST, Gwangju, 61005, Korea
| | - Jae Hee Sung
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea.,Advanced Photonics Research Institute, GIST, Gwangju, 61005, Korea
| | - Hwang Woon Lee
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea
| | - E Guillaume
- Laboratoire d'Optique Appliquée (LOA), ENSTA ParisTech, CNRS UMR7639, École Polytechnique, Université Paris-Saclay, 828 Boulevard des Maréchaux, 91762, Palaiseau, France
| | - C Thaury
- Laboratoire d'Optique Appliquée (LOA), ENSTA ParisTech, CNRS UMR7639, École Polytechnique, Université Paris-Saclay, 828 Boulevard des Maréchaux, 91762, Palaiseau, France
| | - Kazuhisa Nakajima
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea
| | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - L O Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - V Malka
- Laboratoire d'Optique Appliquée (LOA), ENSTA ParisTech, CNRS UMR7639, École Polytechnique, Université Paris-Saclay, 828 Boulevard des Maréchaux, 91762, Palaiseau, France. .,Weizmann Institue for Science, P.O. Box 26, Rehovot, 76100, Israel.
| | - Chang Hee Nam
- Center for Relativistic Laser Science, Institute for Basic Science (IBS), Gwangju, 61005, Korea. .,Departement of Physics and Photon Science, GIST, Gwangju, 61005, Korea.
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42
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Mehrling TJ, Fonseca RA, Martinez de la Ossa A, Vieira J. Mitigation of the Hose Instability in Plasma-Wakefield Accelerators. Phys Rev Lett 2017; 118:174801. [PMID: 28498714 DOI: 10.1103/physrevlett.118.174801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Indexed: 06/07/2023]
Abstract
Current models predict the hose instability to crucially limit the applicability of plasma-wakefield accelerators. By developing an analytical model which incorporates the evolution of the hose instability over long propagation distances, this work demonstrates that the inherent drive-beam energy loss, along with an initial beam-energy spread, detunes the betatron oscillations of beam electrons and thereby mitigates the instability. It is also shown that tapered plasma profiles can strongly reduce initial hosing seeds. Hence, we demonstrate that the propagation of a drive beam can be stabilized over long propagation distances, paving the way for the acceleration of high-quality electron beams in plasma-wakefield accelerators. We find excellent agreement between our models and particle-in-cell simulations.
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Affiliation(s)
- T J Mehrling
- Institut für Experimentalphysik, Universität Hamburg, 22761 Hamburg, Germany
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - R A Fonseca
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
- DCTI/ISCTE Instituto Universitário de Lisboa, 1649-026 Lisbon, Portugal
| | | | - J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
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43
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Abramov DM, Pontes M, Pontes AT, Mourao-Junior CA, Vieira J, Quero Cunha C, Tamborino T, Galhanone PR, deAzevedo LC, Lazarev VV. Visuospatial information processing load and the ratio between parietal cue and target P3 amplitudes in the Attentional Network Test. Neurosci Lett 2017; 647:91-96. [DOI: 10.1016/j.neulet.2017.03.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 02/02/2017] [Accepted: 03/17/2017] [Indexed: 11/27/2022]
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44
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Vieira J, Trines RMGM, Alves EP, Fonseca RA, Mendonça JT, Bingham R, Norreys P, Silva LO. High Orbital Angular Momentum Harmonic Generation. Phys Rev Lett 2016; 117:265001. [PMID: 28059529 DOI: 10.1103/physrevlett.117.265001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Indexed: 06/06/2023]
Abstract
We identify and explore a high orbital angular momentum (OAM) harmonics generation and amplification mechanism that manipulates the OAM independently of any other laser property, by preserving the initial laser wavelength, through stimulated Raman backscattering in a plasma. The high OAM harmonics spectra can extend at least up to the limiting value imposed by the paraxial approximation. We show with theory and particle-in-cell simulations that the orders of the OAM harmonics can be tuned according to a selection rule that depends on the initial OAM of the interacting waves. We illustrate the high OAM harmonics generation in a plasma using several examples including the generation of prime OAM harmonics. The process can also be realized in any nonlinear optical Kerr media supporting three-wave interactions.
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Affiliation(s)
- J Vieira
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - R M G M Trines
- Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot, OX11 0QX, United Kingdom
| | - E P Alves
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - R A Fonseca
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
- DCTI/ISCTE Lisbon University Institute, 1649-026 Lisbon, Portugal
| | - J T Mendonça
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - R Bingham
- Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot, OX11 0QX, United Kingdom
| | - P Norreys
- Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot, OX11 0QX, United Kingdom
- Department of Physics, University of Oxford, Oxford OX1 3PU, United Kingdom
| | - L O Silva
- GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
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45
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Lazarev VV, Pontes M, Pontes AT, Vieira J, Quero-Cunha C, Tamborino T, Galhanone PR, de Azevedo LC, Abramov DM. EEG and ERP characteristics of Attention Deficit Hyperactivity Disorder in children and adolescents. Int J Psychophysiol 2016. [DOI: 10.1016/j.ijpsycho.2016.07.243] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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46
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Lügger S, Vieira J, Heinrich S, Palzer S. Lipid Migration through Semi-Solid Fat Suspensions. CHEM-ING-TECH 2016. [DOI: 10.1002/cite.201650178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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47
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Sivakumar S, Taccone FS, Desai KA, Lazaridis C, Skarzynski M, Sekhon M, Henderson W, Griesdale D, Chapple L, Deane A, Williams L, Strickland R, Lange K, Heyland D, Chapman M, Rowland MJ, Garry P, Westbrook J, Corkill R, Antoniades CA, Pattinson KT, Fatania G, Strong AJ, Myers RB, Lazaridis C, Jermaine CM, Robertson CS, Rusin CG, Hofmeijer J, Sondag L, Tjepkema-Cloostermans MC, Beishuizen A, Bosch FH, van Putten MJAM, Carteron L, Patet C, Solari D, Oddo M, Ali MA, Dias C, Almeida R, Vaz-Ferreira A, Silva J, Monteiro E, Cerejo A, Rocha AP, Elsayed AA, Abougabal AM, Beshey BN, Alzahaby KM, Pozzebon S, Ortiz AB, Cristallini S, Lheureux O, Brasseur A, Vincent JL, Creteur J, Taccone FS, Hravnak M, Yousef K, Chang Y, Crago E, Friedlander RM, Abdelmonem SA, Tahon SA, Helmy TA, Meligy HS, Puig F, Dunn-Siegrist I, Pugin J, Gupta S, Govil D, Srinivasan S, Patel SJ, N JK, Gupta A, Tomar DS, Shafi M, Harne R, Arora DP, Talwar N, Mazumdar S, Papakrivou EE, Makris D, Manoulakas E, Tsolaki B, 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Karanjia ND, Forni LG, Creagh-Brown BC, Bossy M, Nyman M, Tailor A, Creagh-Brown B, D’Antini D, Spadaro S, Valentino F, Sollitto F, Cinnella G, Mirabella L, Calvo FJR, Bejarano N, Padilla D, Baladron V, Villajero P, Villazala R, Redondo J, Yuste AS, Liu J, Shen F, Teboul JL, Anguel N, Beurton A, Bezaz N, Richard C, Monnet X, Fossali T, Colombo R, Ottolina D, Rossetti M, Mazzucco C, Marchi A, Porta A, Catena E, Tollisen KH, Andersen GØ, Heyerdahl F, Jacobsen D, de Waard MC, Girbes ARJ, van IJzendoorn MCO, Buter H, Kingma WP, Navis GJ, Boerma EC, Rulisek J, Balik M, Zacharov S, Kim HS, Jeon SJ, Namgung H, Lee E, Lee E, Cho YJ, Lee YJ, Huang A, Cioccari L, Luethi N, Mårtensson J, Bellomo R, Forsberg M, Edman G, Höjer J, Forsberg S, Freile MTC, Hidalgo FN, Molina JAM, Lecumberri R, Rosselló AF, Travieso PM, Leon GT, Sanchez JG, Frias LS, Rosello DB, Verdejo JAG, Serrano JAN, Winterwerp D, van Galen T, Vazin A, Karimzade I, Zand A, Ozen E, Ekemen S, Akcan A, Sen E, Yelken BB, Kureshi N, Fenerty L, Thibault-Halman G, Erdogan M, Walling S, Green RS, Clarke DB, Briassoulis P, Kalimeris K, Ntzouvani A, Nomikos T, Papaparaskeva K, Politi E, Kostopanagiotou G, Crewdson K, Rehn M, Weaver A, Brohi K, Lockey D, Wright S, Thomas K, Baker C, Mansfield L, Stafford V, Wade C, Watson G, Bryant A, Chadwick T, Shen J, Wilkinson J, Furneval J, Henderson A, Hugill K, Howard P, Roy A, Bonner S, Baudouin S, Ramírez CS, Escalada SH, Viera MAH, Santana MC, Balcázar LC, Monroy NS, Campelo FA, Vázquez CFL, Santana PS, Santana SR, Carteron L, Patet C, Quintard H, Solari D, Bouzat P, Oddo M, Wollersheim T, Malleike J, Haas K, Carbon N, Schneider J, Birchmeier C, Fielitz J, Spuler S, Weber-Carstens S, Enseñat L, Pérez-Madrigal A, Saludes P, Proença L, Gruartmoner G, Espinal C, Mesquida J, Huber W, Eckmann M, Elkmann F, Gruber A, Lahmer T, Mayr U, Herner A, Schellnegger R, Schneider J, Schmid RM, Ayoub W, Samy W, Esmat A, Battah A, Mukhtar S, Mongkolpun W, Cortés DO, Cordeiro CPR, Vincent JL, Creteur J, Funcke S, Groesdonk H, Saugel B, Wagenpfeil G, Wagenpfeil S, Reuter DA, Fernandez MM, Fernandez R, Magret M, González-Castro A, Bouza MT, Ibañez M, García C, Balerdi B, Mas A, Arauzo V, Añón JM, Ruiz F, Ferreres J, Tomás R, Alabert M, Tizón AI, Altaba S, Llamas N, Goligher EC, Fan E, Herridge M, Vorona S, Sklar M, Dres M, Rittayamai N, Lanys A, Urrea C, Tomlinson G, Reid WD, Rubenfeld GD, Kavanagh BP, Brochard LJ, Ferguson ND, Neto AS, de Abreu MG, Pelosi P, Schultz MJ, Guérin C, Papazian L, Reignier J, Ayzac L, Loundou A, Forel JM, Rolland-Debord C, Bureau C, Poitou T, Clavel M, Perbet S, Terzi N, Kouatchet A, Similowski T, Demoule A, Hunfeld N, Trogrlic Z, Ladage S, Osse RJ, Koch B, Rietdijk W, Devlin J, van der Jagt M, Picetti E, Ceccarelli P, Mensi F, Malchiodi L, Risolo S, Rossi I, Antonini MV, Servadei F, Caspani ML, Roquilly A, Lasocki S, Seguin P, Geeraerts T, Perrigault PF, Dahyot-Fizelier C, Paugam-Burtz C, Cook F, Cinotti R, dit Latte DD, Mahe PJ, Fortuit C, Feuillet F, Asehnoune K, Marzorati C, Spina S, Scaravilli V, Vargiolu A, Riva M, Giussani C, Sganzerla E, Citerio G, Barbadillo S, de Molina FJG, Álvarez-Lerma F, Rodríguez A, Zakharkina T, Martin-Loeches I, Matamoros S, Povoa P, Torres A, Kastelijn J, Hofstra JJ, de Jong M, Schultz M, Sterk P, Artigas A, Bos LJ, Moreau AS, Martin-Loeches I, Povoa P, Salluh J, Rodriguez A, Nseir S, de Jong E, van Oers JA, Beishuizen A, Girbes ARJ, Nijsten MWN, de Lange DW, Bonvicini D, Labate D, Benacchio L, Olivieri A, Pizzirani E, Lopez-Delgado JC, Gonzalez-Romero M, Fuentes-Mila V, Berbel-Franco D, Romera-Peregrina I, Martinez-Pascual A, Perez-Sanchez J, Abellan-Lencina R, Ávila-Espinoza RE, Moreno-Gonzalez G, Sbraga F, Griffiths S, Grocott MPW, Creagh-Brown B, Doyle J, Wilkerson P, Soon Y, Huddart S, Dickinson M, Riga A, Zuleika A, Miyamoto K, Kawazoe Y, Morimoto T, Yamamoto T, Fuke A, Hashimoto A, Koami H, Beppu S, Katayama Y, Ito M, Ohta Y, Yamamura H, Rygård SL, Holst LB, Wetterslev J, Johansson PI, Perner A, Soliman IW, de Lange DW, van Dijk D, van Delden JJM, Cremer OL, Slooter AJC, Peelen LM, McWilliams D, Snelson C, Neves AD, Loudet CI, Busico M, Vazquez D, Villalba D, Veronesi M, Lischinsky A, López FJL, Mori LB, Plotnikow G, Díaz A, Giannasi S, Hernandez R, Krzisnik L, Cecotti C, Viola L, Lopez R, Sottile JP, Benavent G, Estenssoro E, Chen CM, Lai CC, Cheng KC, Chou W, Chan KS, Roeker LE, Horkan CM, Gibbons FK, Christopher KB, Weijs PJM, Mogensen KM, Rawn JD, Robinson MK, Christopher KB, Tang Z, Qiu C, Ouyang B, Cai C, Guan X, Regueira T, Cea L, Carlos SJ, Elisa B, Puebla C, Vargas A, Poulsen MK, Thomsen LP, Kjærgaard S, Rees SE, Karbing DS, Wollersheim T, Frank S, Müller MC, Carbon NM, Skrypnikov V, Pickerodt PA, Falk R, Mahlau A, Weber-Carstens S, Lee A, Inglis R, Morgan R, Barker G, Kamata K, Abe T, Saitoh D, Tokuda Y, Green RS, Butler MB, Erdogan M, Hwa HT, Gil LJ, Vaquero RH, Rodriguez-Ruiz E, Lago AL, Allut JLG, Gestal AE, Gonzalez MAG, Thomas-Rüddel DO, Schwarzkopf D, Fleischmann C, Reinhart K, Suwanpasu S, Sattayasomboon Y, Filho NMF, Oliveira JCA, Ballalai CS, De Lucia CV, Araponga GP, Veiga LN, Silva CS, Garrido ME, Ramos BB, Ricaldi EF, Gomes SS, Gemmell L, MacKay A, Wright C, Docking RI, Doherty P, Black E, Stenhouse P, Plummer MP, Finnis ME, Phillips LK, Kar P, Bihari S, Biradar V, Moodie S, Horowitz M, Shaw JE, Deane AM, Yatabe T, Inoue S, Sakaguchi M, Egi M, Abdelhamid YA, Plummer MP, Finnis ME, Phillips LK, Kar P, Bihari S, Biradar V, Moodie S, Horowitz M, Shaw JE, Deane AM, Hokka M, Egi M, Mizobuchi S, Kar P, Plummer M, Abdelhamid YA, Giersch E, Summers M, Hatzinikolas S, Heller S, Chapman M, Jones K, Horowitz M, Deane A, Schweizer R, Jacquet-Lagreze M, Portran P, Junot S, Allaouchiche B, Fellahi JL, Guerci P, Ergin B, Kapucu A, Ince C, Cioccari L, Luethi N, Crisman M, Bellomo R, Mårtensson J, Shinotsuka CR, Fagnoul D, Brasseur A, Orbegozo D, Vincent JL, Preiser JC, Preiser JC, Lheureux O, Thooft A, Brimioulle S, Vincent JL, Iwasaka H, Tahara S, Nagamine M, Ichigatani A, Cabrera AR, Zepeda EM, Granillo JF, Sánchez JSA, Montoya AAT, Montenegro AP, Blanco GAG, Robles CMC, Drolz A, Horvatits T, Roedl K, Rutter K, Kluge S, Funk GC, Schneeweiss B, Fuhrmann V, Sabetian G, Pooresmaeel F, Zand F, Ghaffaripour S, Farbod A, Tabei H, Taheri L, Anandanadesan R, Metaxa V, Teixeira C, Pereira SM, Hernández-Marrero P, Carvalho AS, Beckmann M, Hartog CS, Schwarzkopf D, Raadts A, Robertsen A, Førde R, Skaga NO, Helseth E, Honeybul S, Ho K, Lopez PM, Gonzalez MN, Ortega PN, Sola EC, Spasova T, de la Torre-Prados MV, Kopecky O, Rusinova K, Waldauf P, Cepeplikova Z, Balik M, Domínguez JP, Almudevar PM, Carmona SA, Muñoz JJR, Castañeda DP, Abellán AN, Villamizar PR, Ramos JV, Pérez LP, Lucendo AP, Ejarque MC, Estella A, Camps VL, Martín MC, Masnou N, Barbosa S, Varela A, Palma I, Cristina L, Nunes E, Pereira I, Campello G, Granja C, Pande R, Pandey M, Varghese S, Chanu M, Van Dam MJ, Ter Braak EWMT, Estella A, Gracia M, 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ESICM LIVES 2016: part two. Intensive Care Med Exp 2016. [PMCID: PMC5042923 DOI: 10.1186/s40635-016-0099-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Lima G, Mangini S, Alves B, Vieira J, Pires L, Vianna F, Brito F, Xavier J, Poffo R, Bacal F. Population Profile Submitted to Cardiac Transplantation in a Brazilian Hospital: Comparison Involving the Registry of ISHLT. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Vieira J, Salta M, Barata B, Nogueira J, Sousa R, Costa R, Madruga L, Mendes R, Mendes S, Ribeiro B, Ribeiro R, Gamito A. Fecundity and bipolar spectrum disorder. Eur Psychiatry 2016. [DOI: 10.1016/j.eurpsy.2016.01.1204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
IntroductionFertility and fecundity are usually considered signs of social and emotional well-being. Bipolar disorder (BD) is a prevalent psychiatric disease that influences the individual's life style and behaviours. Some studies have addressed the issue of fecundity among women with bipolar disorder but few have focused on determining the differences between disease subtypes, which is expected, taking into account the studied differences in demographic measures.ObjectivesTo examine the fecundity of a population of women with bipolar disorder.AimThe aim of this study is to compare the fecundity among women diagnosed with subtypes I to IV of BD, according to Akiskal's bipolar spectrum disorder classification.MethodsA total of 108 female outpatients were divided into four groups. We analyzed number of offspring and demographic features between patients with different subtypes of BD using multivariate analyses.ResultsOur results showed a significantly higher average number of children for BD IV patients when compared with BD I patients. Although not reaching statistical significance, BD I patients had less offspring than BD II and BD III patients. BD I patients had lower marriage rates compared to the other groups.ConclusionsOur results suggest that the subtype of bipolar disorder influences fecundity and behaviours, as is expressed by the lower number of marriages seen in BD I patients. We found that fecundity is significantly impaired among BD I patients, which may imply that female with more severe disorders are less likely to become parents. Fecundity is higher among BD IV patients, which makes a way to speculate about the adaptive role of hyperthimic temperamental traits.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Nogueira J, Ribeiro R, Vieira J, Sousa R, Mendes S, Ribeiro B, Salta M, Barata B, Gamito A, Mendes R. Agenesis of the Corpus Callosum in A Patient With Bipolar Disorder. Eur Psychiatry 2016. [DOI: 10.1016/j.eurpsy.2016.01.1813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
BackgroundThe corpus callosum (CC) is the largest white matter structure in the brain, which plays a crucial role in interhemispheric communication. Agenesis of the CC is a rare development anomaly, with unknown cause. It could be asymptomatic or associated with mental retardation and neurologic symptoms. Some case reports, post-mortem studies and image studies have linked thickness reduction and agenesis of CC with psychotic symptoms, mainly in schizophrenia patients. Lately, anatomical abnormalities in the CC have been reported in patients with Bipolar Disorder (BD).Case reportA 52-year-old woman was brought to the emergency room by the authorities after being physically aggressive to her 13-year-old daughter and inappropriate behavior in public. At the emergency department her mood was elevated with emotional lability, dispersible attention, slight increase of motor activity, pressured and difficult to interrupt speech, grandious and self-referent delusional ideas.Her past history revealed hippomaniac episodes characterized by periods of excessive shopping and hyperphagia. In 2008, she had a major depressive episode.Head CT-SCAN revealed agenesia of CC. She received the diagnosis of Manic Episode with mixed features and was treated with valproic acid, flurazepam and olanzapine.ConclusionThis case reinforces the fact that changes in CC, probably due to deficiency in myelination, could have a crucial importance in the pathophysiology of Bipolar Disorder.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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