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Ryan C, Vanderburg M, Chugh R, Johnston K, Clapperton R, Bond K, Flanders M, James C. Mobile applications in nursing science education: A scoping review with snowballing method. Nurse Educ Today 2024; 138:106215. [PMID: 38608388 DOI: 10.1016/j.nedt.2024.106215] [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] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 03/27/2024] [Accepted: 04/08/2024] [Indexed: 04/14/2024]
Abstract
OBJECTIVES To review the available evidence on the use and effectiveness of mobile applications to assist nursing students in comprehending, utilising, and applying specialised language and knowledge terminologies when learning the language of biosciences. DESIGN A scoping review. DATA SOURCES The databases CINAHL Complete, ERIC, EMCare, MEDLINE, PubMed, the OVID scholarly interface and the web search engine Google Scholar were searched. REVIEW METHODS Peer-reviewed literature published in English during the period 2010-2023 was reviewed. Snowballing methods saw the reference lists of all included articles searched, and a secondary search of the Scopus ranked top ten nursing journals. Articles were included if they reported on any app or digital resource used when teaching undergraduate nursing students biosciences/science language skills, concepts, or terminology. Studies were excluded if the participants were non-nursing student cohorts or content did not meet the inclusion criteria. RESULTS Mobile applications generally contribute positively to nursing students' education. These applications are deemed valuable tools, offering structured content in easily digestible formats. Some applications also foster teamwork and collaboration during clinical placements, promoting peer learning, and a sense of community. User internet access and preparation for learning were the only noted barriers. A range of science-based concepts were taught using applications, including diabetes mellitus, medical terminology, asthma, and cardiac conditions. Despite the promise shown by using mobile applications to teach nurse sciences, few are dedicated to bioscience language and scientific terminology. Recognising the challenging nature of teaching these concepts, developing specialised applications could substantially improve the educational experience for nursing students. CONCLUSION Nurse educators are encouraged to teach with applications given their reported effectiveness in knowledge gains for students learning science concepts. Rigorous interventional study designs are warranted to extend suggestions that using applications enhances student understanding of challenging scientific concepts and support quality in clinical learning.
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Affiliation(s)
- Colleen Ryan
- School of Nursing Midwifery and Social Sciences, Central, Queensland University, 160 Ann St, Brisbane, Queensland, Australia.
| | - Michelle Vanderburg
- School of Education and the Arts, Central Queensland University, 6 University Drive, Bundaberg, Queensland, Australia.
| | - Ritesh Chugh
- ICT, School of Engineering & Technology, Tertiary Education Division, CQUniversity Melbourne, 120 Spencer St, Melbourne, VIC 3000, Australia.
| | - Katrina Johnston
- School of Access Education, Tertiary Education Division CQUniversity Bundaberg, Building 1, University Drive, Bundaberg, QLD 4670, Australia.
| | - Roslyn Clapperton
- School of Health, Medical and Applied Sciences, CQUniversity Australia, Building 6/2.28, Bruce Highway, Rockhampton, QLD 4701.
| | - Kerry Bond
- School of Access Education, Tertiary Education Division, CQUniversity Mackay Ooralea, Building 6, Boundary Road, Ooralea, Queensland, Australia.
| | - Margaret Flanders
- School of Access Education, Tertiary Education Division CQUniversity Bundaberg, Building 1, University Drive, Bundaberg, QLD 4670, Australia.
| | - Chelsea James
- School of Nursing Midwifery and Social Sciences, Central, Queensland University, 160 Ann St, Brisbane, Queensland, Australia.
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Favaretto C, Grundler PV, Talip Z, Köster U, Johnston K, Busslinger SD, Sprung P, Hillhouse CC, Eichler R, Schibli R, Müller C, van der Meulen NP. Terbium-149 production: a focus on yield and quality improvement towards preclinical application. Sci Rep 2024; 14:3284. [PMID: 38332245 PMCID: PMC10853284 DOI: 10.1038/s41598-024-53610-2] [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: 10/25/2023] [Accepted: 02/02/2024] [Indexed: 02/10/2024] Open
Abstract
Terbium-149 (T1/2 = 4.1 h, Eα = 3.98 MeV (16.7%), 28 µm range in tissue) is a radionuclide with potential for targeted alpha therapy. Due to the negligible emission of α-emitting daughter nuclides, toxicity to healthy tissue may be reduced in comparison with other α-particle emitters. In this study, terbium-149 was produced via 1.4 GeV proton irradiation of a tantalum target at the CERN-ISOLDE facility. The spallation products were mass separated and implanted on zinc-coated foils and, later, radiochemically processed. Terbium-149 was separated from the co-produced isobaric radioisotopes and the zinc coating from the implantation foil, using cation-exchange and extraction chromatographic techniques, respectively. At the end of separation, up to 260 MBq terbium-149 were obtained with > 99% radionuclidic purity. Radiolabeling experiments were performed with DOTATATE, achieving 50 MBq/nmol apparent molar activity with radiochemical purity > 99%. The chemical purity was determined by inductively coupled plasma-mass spectrometry measurements, which showed lead, copper, iron and zinc only at ppb level. The radiolabeling of the somatostatin analogue DOTATATE with [149Tb]TbCl3 and the subsequent in vivo PET/CT scans conducted in xenografted mice, showing good tumor uptake, further demonstrated product quality and its ability to be used in a preclinical setting.
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Affiliation(s)
- C Favaretto
- Nuclear Medicine Department, University Hospital Basel, Basel, Switzerland
- Center for Radiopharmaceutical Sciences ETH-PSI, Paul Scherrer Institute, 5232, Villigen-PSI, Switzerland
| | - P V Grundler
- Center for Radiopharmaceutical Sciences ETH-PSI, Paul Scherrer Institute, 5232, Villigen-PSI, Switzerland
| | - Z Talip
- Center for Radiopharmaceutical Sciences ETH-PSI, Paul Scherrer Institute, 5232, Villigen-PSI, Switzerland
| | - U Köster
- Institute Laue-Langevin, Grenoble, France
- Physics Department, ISOLDE/CERN, Geneva, Switzerland
| | - K Johnston
- Physics Department, ISOLDE/CERN, Geneva, Switzerland
| | - S D Busslinger
- Center for Radiopharmaceutical Sciences ETH-PSI, Paul Scherrer Institute, 5232, Villigen-PSI, Switzerland
| | - P Sprung
- Department Hot Laboratory, Paul Scherrer Institute, Villigen-PSI, Switzerland
| | - C C Hillhouse
- Laboratory of Radiochemistry, Paul Scherrer Institute, Villigen-PSI, Switzerland
| | - R Eichler
- Laboratory of Radiochemistry, Paul Scherrer Institute, Villigen-PSI, Switzerland
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Bern, Switzerland
| | - R Schibli
- Center for Radiopharmaceutical Sciences ETH-PSI, Paul Scherrer Institute, 5232, Villigen-PSI, Switzerland
- Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, Switzerland
| | - C Müller
- Center for Radiopharmaceutical Sciences ETH-PSI, Paul Scherrer Institute, 5232, Villigen-PSI, Switzerland
- Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, Switzerland
| | - N P van der Meulen
- Center for Radiopharmaceutical Sciences ETH-PSI, Paul Scherrer Institute, 5232, Villigen-PSI, Switzerland.
- Laboratory of Radiochemistry, Paul Scherrer Institute, Villigen-PSI, Switzerland.
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Collins SM, Köster U, Robinson AP, Ivanov P, Cocolios TE, Russell B, Fenwick AJ, Bernerd C, Stegemann S, Johnston K, Gerami AM, Chrysalidis K, Mohamud H, Ramirez N, Bhaisare A, Mewburn-Crook J, Cullen DM, Pietras B, Pells S, Dockx K, Stucki N, Regan PH. Determination of the Terbium-152 half-life from mass-separated samples from CERN-ISOLDE and assessment of the radionuclide purity. Appl Radiat Isot 2023; 202:111044. [PMID: 37797447 DOI: 10.1016/j.apradiso.2023.111044] [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: 07/28/2023] [Revised: 09/15/2023] [Accepted: 09/22/2023] [Indexed: 10/07/2023]
Abstract
Terbium-152 is one of four terbium radioisotopes that together form a potential theranostic toolbox for the personalised treatment of tumours. As 152 Tb decay by positron emission it can be utilised for diagnostics by positron emission tomography. For use in radiopharmaceuticals and for activity measurements by an activity calibrator a high radionuclide purity of the material and an accurate and precise knowledge of the half-life is required. Mass-separation and radiochemical purification provide a production route of high purity 152Tb. In the current work, two mass-separated samples from the CERN-ISOLDE facility have been assayed at the National Physical Laboratory to investigate the radionuclide purity. These samples have been used to perform four measurements of the half-life by three independent techniques: high-purity germanium gamma-ray spectrometry, ionisation chamber measurements and liquid scintillation counting. From the four measurement campaigns a half-life of 17.8784(95) h has been determined. The reported half-life shows a significant difference to the currently evaluated half-life (ζ-score = 3.77), with a relative difference of 2.2 % and an order of magnitude improvement in the precision. This work also shows that under controlled conditions the combination of mass-separation and radiochemical separation can provide high-purity 152Tb.
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Affiliation(s)
- S M Collins
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK; School of Mathematics and Physics, University of Surrey, Guildford, GU2 7XH, UK.
| | - U Köster
- Institut Laue-Langevin, 38042, Grenoble, France
| | - A P Robinson
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK; Christie Medical Physics and Engineering (CMPE), The Christie NHS Foundation Trust, Manchester, M20 4BX, UK; The University of Manchester, Manchester, M13 9PL, UK
| | - P Ivanov
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK
| | - T E Cocolios
- KU Leuven, Institute for Nuclear and Radiation Physics, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - B Russell
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK
| | - A J Fenwick
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK
| | - C Bernerd
- KU Leuven, Institute for Nuclear and Radiation Physics, Celestijnenlaan 200D, 3001, Leuven, Belgium; CERN - European Organization for Nuclear Research, Esplanade des Particules 1, 1217, Meyrin, Switzerland
| | - S Stegemann
- KU Leuven, Institute for Nuclear and Radiation Physics, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - K Johnston
- CERN - European Organization for Nuclear Research, Esplanade des Particules 1, 1217, Meyrin, Switzerland
| | - A M Gerami
- CERN - European Organization for Nuclear Research, Esplanade des Particules 1, 1217, Meyrin, Switzerland
| | - K Chrysalidis
- CERN - European Organization for Nuclear Research, Esplanade des Particules 1, 1217, Meyrin, Switzerland
| | - H Mohamud
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK
| | - N Ramirez
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK
| | - A Bhaisare
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK
| | - J Mewburn-Crook
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK
| | - D M Cullen
- The University of Manchester, Manchester, M13 9PL, UK
| | - B Pietras
- The University of Manchester, Manchester, M13 9PL, UK
| | - S Pells
- The University of Manchester, Manchester, M13 9PL, UK
| | - K Dockx
- KU Leuven, Institute for Nuclear and Radiation Physics, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - N Stucki
- HEPIA, HES-SO, University of Applied Sciences and Arts Western Switzerland, Rue de la Prairie 4, 1202, Geneva, Switzerland
| | - P H Regan
- National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK; School of Mathematics and Physics, University of Surrey, Guildford, GU2 7XH, UK
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Gunnlaugsson HP, Masenda H, Mølholt TE, Bharuth-Ram K, Ólafsson S, Johnston K, Schell J, Gislason HP, Krastev PB, Mantovan R, Naidoo D, Qi B, Unzueta I. Annealing studies combined with low temperature emission Mössbauer spectroscopy of short-lived parent isotopes: Determination of local Debye-Waller factors. Rev Sci Instrum 2021; 92:013901. [PMID: 33514210 DOI: 10.1063/5.0020951] [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: 07/07/2020] [Accepted: 12/20/2020] [Indexed: 06/12/2023]
Abstract
An extension of the online implantation chamber used for emission Mössbauer Spectroscopy (eMS) at ISOLDE/CERN that allows for quick removal of samples for offline low temperature studies is briefly described. We demonstrate how online eMS data obtained during implantation at temperatures between 300 K and 650 K of short-lived parent isotopes combined with rapid cooling and offline eMS measurements during the decay of the parent isotope can give detailed information on the binding properties of the Mössbauer probe in the lattice. This approach has been applied to study the properties of Sn impurities in ZnO following implantation of 119In (T½ = 2.4 min). Sn in the 4+ and 2+ charge states is observed. Above T > 600 K, Sn2+ is observed and is ascribed to Sn on regular Zn sites, while Sn2+ detected at T < 600 K is due to Sn in local amorphous regions. A new annealing stage is reported at T ≈ 550 K, characterized by changes in the Sn4+ emission profile, and is attributed to the annihilation of close Frenkel pairs.
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Affiliation(s)
- H P Gunnlaugsson
- Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavík, Iceland
| | - H Masenda
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - T E Mølholt
- DTU Health Technology, Risø Campus, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - K Bharuth-Ram
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
| | - S Ólafsson
- Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavík, Iceland
| | - K Johnston
- EP Department, ISOLDE/CERN, 1211 Geneva 23, Switzerland
| | - J Schell
- EP Department, ISOLDE/CERN, 1211 Geneva 23, Switzerland
| | - H P Gislason
- Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavík, Iceland
| | - P B Krastev
- Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee Boulevard, Sofia 1784, Bulgaria
| | - R Mantovan
- CNR-IMM, Unità di Agrate Brianza, Via Olivetti 2, 20864 Agrate Brianza (MB), Italy
| | - D Naidoo
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - B Qi
- Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavík, Iceland
| | - I Unzueta
- Department of Applied Mathematics, University of the Basque Country (UPV/EHU), Torres Quevedo Ingeniaria Plaza 1, 48013 Bilbao, Spain
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5
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Butler PA, Gaffney LP, Spagnoletti P, Konki J, Scheck M, Smith JF, Abrahams K, Bowry M, Cederkäll J, Chupp T, de Angelis G, De Witte H, Garrett PE, Goldkuhle A, Henrich C, Illana A, Johnston K, Joss DT, Keatings JM, Kelly NA, Komorowska M, Kröll T, Lozano M, Singh BSN, O'Donnell D, Ojala J, Page RD, Pedersen LG, Raison C, Reiter P, Rodriguez JA, Rosiak D, Rothe S, Shneidman TM, Siebeck B, Seidlitz M, Sinclair J, Stryjczyk M, Van Duppen P, Vinals S, Virtanen V, Warr N, Wrzosek-Lipska K, Zielinska M. Publisher Correction: The observation of vibrating pear-shapes in radon nuclei. Nat Commun 2020; 11:5185. [PMID: 33037232 PMCID: PMC7547707 DOI: 10.1038/s41467-020-19081-5] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Affiliation(s)
- P A Butler
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK.
| | - L P Gaffney
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK.,CERN, Geneva, 23 CH-1211, Switzerland
| | - P Spagnoletti
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J Konki
- CERN, Geneva, 23 CH-1211, Switzerland
| | - M Scheck
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J F Smith
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - K Abrahams
- Department of Physics & Astronomy, University of the Western Cape, Private Bag X17, Bellville, 7535, South Africa
| | - M Bowry
- TRIUMF, Vancouver, V6T 2A3, BC, Canada
| | - J Cederkäll
- Physics Department, Lund University, Box 118, Lund, SE-221 00, Sweden
| | - T Chupp
- Department of Physics, University of Michigan, Ann Arbor, 48104 MI, USA
| | - G de Angelis
- INFN Laboratori Nazionali di Legnaro, Legnaro, 35020 PD, Italy
| | - H De Witte
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - P E Garrett
- Department of Physics, University of Guelph, Guelph, N1G 2W1, Ontario, Canada
| | - A Goldkuhle
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - C Henrich
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, 64289, Germany
| | - A Illana
- INFN Laboratori Nazionali di Legnaro, Legnaro, 35020 PD, Italy
| | | | - D T Joss
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK
| | - J M Keatings
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - N A Kelly
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - M Komorowska
- Heavy Ion Laboratory, University of Warsaw, Warsaw, PL-02-093, Poland
| | - T Kröll
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, 64289, Germany
| | - M Lozano
- CERN, Geneva, 23 CH-1211, Switzerland
| | - B S Nara Singh
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - D O'Donnell
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J Ojala
- Department of Physics, University of Jyvaskyla, P.O. Box 35, Jyvaskyla, FIN-40014, Finland.,Helsinki Institute of Physics, P.O. Box 64, Helsinki, FIN-00014, Finland
| | - R D Page
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK
| | - L G Pedersen
- Department of Physics, University of Oslo, P.O. Box 1048, Oslo, N-0316, Norway
| | - C Raison
- Department of Physics, University of York, York, YO10 5DD, UK
| | - P Reiter
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | | | - D Rosiak
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - S Rothe
- CERN, Geneva, 23 CH-1211, Switzerland
| | | | - B Siebeck
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - M Seidlitz
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - J Sinclair
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - M Stryjczyk
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - P Van Duppen
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - S Vinals
- Consejo Superior De Investigaciones Científicas, Madrid, S 28040, Spain
| | - V Virtanen
- Department of Physics, University of Jyvaskyla, P.O. Box 35, Jyvaskyla, FIN-40014, Finland.,Helsinki Institute of Physics, P.O. Box 64, Helsinki, FIN-00014, Finland
| | - N Warr
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - K Wrzosek-Lipska
- Heavy Ion Laboratory, University of Warsaw, Warsaw, PL-02-093, Poland
| | - M Zielinska
- IRFU CEA, Université Paris-Saclay, Gif-sur-Yvette, F-91191, France
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Johnston K, Salhany R, Ciafaloni E, Mickle A, Miller S, Gooch K. DMD & BMD – CLINICAL. Neuromuscul Disord 2020. [DOI: 10.1016/j.nmd.2020.08.049] [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: 10/23/2022]
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Hallvik S, El Ibrahimi S, Johnston K, Gedes J, Leichtling G, Todd Korthuis P, Hartung D. Patient Outcomes Following Opioid Dose Reduction Among Patients with Chronic Opioid Therapy. Health Serv Res 2020. [DOI: 10.1111/1475-6773.13480] [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: 11/30/2022] Open
Affiliation(s)
- S. Hallvik
- Comagine Health Portland OR United States
| | - S. El Ibrahimi
- Comagine Health Portland OR United States
- UNLV Las Vegas NV United States
| | - K. Johnston
- Oregon State University/Oregon Health & Science University College of Pharmacy Portland OR United States
| | - J. Gedes
- Oregon State University/Oregon Health & Science University College of Pharmacy Portland OR United States
| | | | | | - D. Hartung
- Oregon State University/Oregon Health & Science University College of Pharmacy Portland OR United States
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8
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Butler PA, Gaffney LP, Spagnoletti P, Konki J, Scheck M, Smith JF, Abrahams K, Bowry M, Cederkäll J, Chupp T, de Angelis G, De Witte H, Garrett PE, Goldkuhle A, Henrich C, Illana A, Johnston K, Joss DT, Keatings JM, Kelly NA, Komorowska M, Kröll T, Lozano M, Singh BSN, O'Donnell D, Ojala J, Page RD, Pedersen LG, Raison C, Reiter P, Rodriguez JA, Rosiak D, Rothe S, Shneidman TM, Siebeck B, Seidlitz M, Sinclair J, Stryjczyk M, Van Duppen P, Vinals S, Virtanen V, Warr N, Wrzosek-Lipska K, Zielinska M. Addendum: The observation of vibrating pear-shapes in radon nuclei. Nat Commun 2020; 11:3560. [PMID: 32661232 PMCID: PMC7359340 DOI: 10.1038/s41467-020-17309-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- P A Butler
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK.
| | - L P Gaffney
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK.,CERN, Geneva, 23 CH-1211, Switzerland
| | - P Spagnoletti
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J Konki
- CERN, Geneva, 23 CH-1211, Switzerland
| | - M Scheck
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J F Smith
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - K Abrahams
- Department of Physics & Astronomy, University of the Western Cape, Private Bag X17, Bellville, 7535, South Africa
| | - M Bowry
- TRIUMF, Vancouver, V6T 2A3, BC, Canada
| | - J Cederkäll
- Physics Department, Lund University, Box 118, Lund, SE-221 00, Sweden
| | - T Chupp
- Department of Physics, University of Michigan, Ann Arbor, 48104, MI, USA
| | - G de Angelis
- INFN Laboratori Nazionali di Legnaro, Legnaro, 35020 PD, Italy
| | - H De Witte
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - P E Garrett
- Department of Physics, University of Guelph, Guelph, N1G 2W1, Ontario, Canada
| | - A Goldkuhle
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - C Henrich
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, 64289, Germany
| | - A Illana
- INFN Laboratori Nazionali di Legnaro, Legnaro, 35020 PD, Italy
| | | | - D T Joss
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK
| | - J M Keatings
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - N A Kelly
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - M Komorowska
- Heavy Ion Laboratory, University of Warsaw, Warsaw, PL-02-093, Poland
| | - T Kröll
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, 64289, Germany
| | - M Lozano
- CERN, Geneva, 23 CH-1211, Switzerland
| | - B S Nara Singh
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - D O'Donnell
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J Ojala
- Department of Physics, University of Jyvaskyla, P.O. Box 35, Jyvaskyla, FIN-40014, Finland.,Helsinki Institute of Physics, P.O. Box 64, Helsinki, FIN-00014, Finland
| | - R D Page
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK
| | - L G Pedersen
- Department of Physics, University of Oslo, P.O. Box 1048, Oslo, N-0316, Norway
| | - C Raison
- Department of Physics, University of York, York, YO10 5DD, UK
| | - P Reiter
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | | | - D Rosiak
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - S Rothe
- CERN, Geneva, 23 CH-1211, Switzerland
| | | | - B Siebeck
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - M Seidlitz
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - J Sinclair
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - M Stryjczyk
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - P Van Duppen
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - S Vinals
- Consejo Superior De Investigaciones Científicas, Madrid, S 28040, Spain
| | - V Virtanen
- Department of Physics, University of Jyvaskyla, P.O. Box 35, Jyvaskyla, FIN-40014, Finland.,Helsinki Institute of Physics, P.O. Box 64, Helsinki, FIN-00014, Finland
| | - N Warr
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - K Wrzosek-Lipska
- Heavy Ion Laboratory, University of Warsaw, Warsaw, PL-02-093, Poland
| | - M Zielinska
- IRFU CEA, Université Paris-Saclay, Gif-sur-Yvette, F-91191, France
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9
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Krastev P, Gunnlaugsson H, Nomura K, Bharuth-Ram K, Qi B, Masenda H, Mølholt T, Naidoo D, Ólafsson S, Martín-Luengo AT, Unzueta I, Johnston K, Schell J, Gislason H. Local increase of the Curie temperature in Mn/Fe implanted Y3Fe5O12 (YIG). Appl Radiat Isot 2020; 160:109121. [DOI: 10.1016/j.apradiso.2020.109121] [Citation(s) in RCA: 5] [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: 03/22/2019] [Revised: 01/31/2020] [Accepted: 03/02/2020] [Indexed: 10/24/2022]
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10
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Smith M, Johnston K, Withnall R. Systematic approach to delivering prolonged field care in a prehospital care environment. BMJ Mil Health 2020; 167:93-98. [PMID: 32111674 DOI: 10.1136/jramc-2019-001224] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 04/05/2019] [Revised: 07/12/2019] [Accepted: 07/13/2019] [Indexed: 11/03/2022]
Abstract
BACKGROUND This article describes a novel patient care algorithm which provides a Role 1 (R1) medic with a structured approach to delivering prolonged field care (PFC) in a resource-limited environment. PFC is a vital component of the operational patient care pathway providing the continuum of care from completion of a primary survey to the delivery to hospital care. Future operational environments are likely to have more fragile or extended lines of communication, potentially delaying evacuation to hospital care. This delay may lead to increases in patient morbidity and mortality. Effective PFC offers an opportunity to improve patient outcomes and help mitigate against this risk. METHODS An initial prototype model of a PFC care process was developed using existing hospital-based guidance. A series of medical and trauma vignettes and best available evidence were used to refine the algorithm. RESULTS The algorithm has been designed be used in conjunction with patient specific clinical guidance making the approach generalisable for all patient groups. For UK military, clinical guidance is provided by clinical guidelines for operations. The algorithm can be downloaded into a convenient format to be used on mobile devices or printed as an aide memoire.
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11
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Butler PA, Gaffney LP, Spagnoletti P, Abrahams K, Bowry M, Cederkäll J, de Angelis G, De Witte H, Garrett PE, Goldkuhle A, Henrich C, Illana A, Johnston K, Joss DT, Keatings JM, Kelly NA, Komorowska M, Konki J, Kröll T, Lozano M, Nara Singh BS, O'Donnell D, Ojala J, Page RD, Pedersen LG, Raison C, Reiter P, Rodriguez JA, Rosiak D, Rothe S, Scheck M, Seidlitz M, Shneidman TM, Siebeck B, Sinclair J, Smith JF, Stryjczyk M, Van Duppen P, Vinals S, Virtanen V, Warr N, Wrzosek-Lipska K, Zielińska M. Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive ^{222}Ra and ^{228}Ra Beams. Phys Rev Lett 2020; 124:042503. [PMID: 32058764 DOI: 10.1103/physrevlett.124.042503] [Citation(s) in RCA: 3] [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: 11/15/2019] [Indexed: 06/10/2023]
Abstract
There is sparse direct experimental evidence that atomic nuclei can exhibit stable "pear" shapes arising from strong octupole correlations. In order to investigate the nature of octupole collectivity in radium isotopes, electric octupole (E3) matrix elements have been determined for transitions in ^{222,228}Ra nuclei using the method of sub-barrier, multistep Coulomb excitation. Beams of the radioactive radium isotopes were provided by the HIE-ISOLDE facility at CERN. The observed pattern of E3 matrix elements for different nuclear transitions is explained by describing ^{222}Ra as pear shaped with stable octupole deformation, while ^{228}Ra behaves like an octupole vibrator.
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Affiliation(s)
- P A Butler
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - L P Gaffney
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
- ISOLDE, CERN, 1211 Geneva 23, Switzerland
| | - P Spagnoletti
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
| | - K Abrahams
- University of the Western Cape, Private Bag X17, Bellville 7535, South Africa
| | - M Bowry
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
- TRIUMF, Vancouver V6T 2A3 BC, Canada
| | - J Cederkäll
- Lund University, Box 118, Lund SE-221 00, Sweden
| | - G de Angelis
- INFN Laboratori Nazionali di Legnaro, Legnaro 35020 PD, Italy
| | | | - P E Garrett
- University of Guelph, Guelph N1G 2W1 Ontario, Canada
| | - A Goldkuhle
- University of Cologne, Cologne 50937, Germany
| | - C Henrich
- Technische Universität Darmstadt, Darmstadt 64289, Germany
| | - A Illana
- INFN Laboratori Nazionali di Legnaro, Legnaro 35020 PD, Italy
| | - K Johnston
- ISOLDE, CERN, 1211 Geneva 23, Switzerland
| | - D T Joss
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - J M Keatings
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
| | - N A Kelly
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
| | - M Komorowska
- Heavy Ion Laboratory, University of Warsaw, Warsaw PL-02-093, Poland
| | - J Konki
- ISOLDE, CERN, 1211 Geneva 23, Switzerland
| | - T Kröll
- Technische Universität Darmstadt, Darmstadt 64289, Germany
| | - M Lozano
- ISOLDE, CERN, 1211 Geneva 23, Switzerland
| | - B S Nara Singh
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
| | - D O'Donnell
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
| | - J Ojala
- University of Jyvaskyla, P.O. Box 35, Jyvaskyla FIN-40014, Finland
- Helsinki Institute of Physics, P.O. Box 64, Helsinki FIN-00014, Finland
| | - R D Page
- University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - L G Pedersen
- University of Oslo, P.O. Box 1048, Oslo N-0316, Norway
| | - C Raison
- University of York, York YO10 5DD, United Kingdom
| | - P Reiter
- University of Cologne, Cologne 50937, Germany
| | | | - D Rosiak
- University of Cologne, Cologne 50937, Germany
| | - S Rothe
- ISOLDE, CERN, 1211 Geneva 23, Switzerland
| | - M Scheck
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
| | - M Seidlitz
- University of Cologne, Cologne 50937, Germany
| | - T M Shneidman
- Joint Institute for Nuclear Research, RU-141980 Dubna, Russian Federation
| | - B Siebeck
- University of Cologne, Cologne 50937, Germany
| | - J Sinclair
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
| | - J F Smith
- University of the West of Scotland, Paisley PA1 2BE, United Kingdom
| | | | | | - S Vinals
- Consejo Superior De Investigaciones Científicas, Madrid S28040, Spain
| | - V Virtanen
- University of Jyvaskyla, P.O. Box 35, Jyvaskyla FIN-40014, Finland
- Helsinki Institute of Physics, P.O. Box 64, Helsinki FIN-00014, Finland
| | - N Warr
- University of Cologne, Cologne 50937, Germany
| | - K Wrzosek-Lipska
- Heavy Ion Laboratory, University of Warsaw, Warsaw PL-02-093, Poland
| | - M Zielińska
- IRFU CEA, Université Paris-Saclay, Gif-sur-Yvette F-91191, France
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12
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Kandula T, Farrar MA, Cohn RJ, Carey KA, Johnston K, Kiernan MC, Krishnan AV, Park SB. Changes in long term peripheral nerve biophysical properties in childhood cancer survivors following neurotoxic chemotherapy. Clin Neurophysiol 2020; 131:783-790. [PMID: 32066096 DOI: 10.1016/j.clinph.2019.12.411] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [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: 07/28/2019] [Revised: 11/14/2019] [Accepted: 12/07/2019] [Indexed: 12/28/2022]
Abstract
OBJECTIVE In the context of increasing numbers of childhood cancer survivors (CCS), this study aimed to enhance understanding of the biophysical basis for long term chemotherapy induced peripheral neuropathy from different chemotherapy agents in CCS. METHODS Detailed cross-sectional neurophysiological examination, using median nerve axonal excitability studies, alongside clinical assessments, in 103 long term CCS (10.5 ± 0.6 years post-treatment). RESULTS Cisplatin treated CCS (n = 16) demonstrated multiple sensory axonal excitability changes including increased threshold (P < 0.05), alterations in depolarising and hyperpolarising threshold electrotonus (P < 0.05) and reduction in resting and minimum IV slope (P < 0.01). Vincristine treated CCS (n = 73) were comparable to controls, except for prolonged distal motor latency (P = 0.001). No differences were seen in the non-neurotoxic chemotherapy group (n = 14). Abnormalities were more evident in the cisplatin subgroup with greater clinical neuropathy manifestations. CONCLUSION Persistent long term changes in axonal biophysical properties vary with different chemotherapy agents, most evident after cisplatin exposure. Longitudinal studies of nerve function during chemotherapy treatment are required to further evaluate these differences and their mechanistic basis. SIGNIFICANCE This study provides a unique biophysical perspective for persistent cisplatin related neurotoxicity in children, previously under recognised.
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Affiliation(s)
- T Kandula
- School of Women's and Children's Health, UNSW Medicine, UNSW Sydney, Australia; Department of Neurology, Sydney Children's Hospital, Australia
| | - M A Farrar
- School of Women's and Children's Health, UNSW Medicine, UNSW Sydney, Australia; Department of Neurology, Sydney Children's Hospital, Australia
| | - R J Cohn
- Kids Cancer Centre, Sydney Children's Hospital, Australia
| | - K A Carey
- School of Women's and Children's Health, UNSW Medicine, UNSW Sydney, Australia
| | - K Johnston
- Kids Cancer Centre, Sydney Children's Hospital, Australia
| | - M C Kiernan
- Brain & Mind Centre, University of Sydney, Australia
| | - A V Krishnan
- Prince of Wales Clinical School, UNSW Medicine, UNSW Sydney, Australia
| | - S B Park
- Brain & Mind Centre, University of Sydney, Australia; Prince of Wales Clinical School, UNSW Medicine, UNSW Sydney, Australia.
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13
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Saini R, DiFrancesco LM, Johnston K, Khan A, Kline GA. Diffuse, fracturing systemic skeletal histiocytosis of unknown type: a novel metabolic bone disease. Osteoporos Int 2019; 30:1893-1896. [PMID: 31147735 DOI: 10.1007/s00198-019-05021-7] [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] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 05/16/2019] [Indexed: 10/26/2022]
Abstract
We describe a novel disease of diffuse skeletal histiocytosis associated with multiple fragility fractures and high osteoclast activity. Clinical, radiographic, biochemical, genetic, and histopathological investigations were performed to characterize the diagnosis of an Asian man who presented with hip fracture and diffuse skeletal lytic lesions. After excluding malignancy and other common metabolic bone diseases, open bone biopsy yielded several pathological samples all showing extensive skeletal histiocytosis likely to explain the diffuse axial and appendicular lytic lesions. Rare disorders such as Langerhans histiocytosis, Erdheim-Chester disease, and diffuse cystic skeletal angiomatosis were excluded through careful pathological examination and lack of CD1a and S-100 staining. Whole exome sequencing did not yield diagnostic findings to explain this likely acquired disease. High markers of osteoclast activity suggested excessive focal bone resorption but normalized after zoledronic acid treatment. A novel disease of skeletal histiocytosis with high bone turnover is differentiated from other histiocytic and lytic skeletal diseases.
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Affiliation(s)
- R Saini
- Orthopedic Surgery, Northern Ontario School of Medicine, Thunder Bay, Ontario, Canada
| | - L M DiFrancesco
- Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - K Johnston
- Division of Hip and Knee Joint Reconstruction, Department of Surgery, Orthopaedic Section, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - A Khan
- Departments of Medical Genetics and Pediatrics, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - G A Kline
- Dr. David Hanley Osteoporosis Centre, Department Medicine/Endocrinology, Cumming School of Medicine, University of Calgary, 1820 Richmond Rd SW, Calgary, AB, T2T 5C7, Canada.
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14
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Butler PA, Gaffney LP, Spagnoletti P, Konki J, Scheck M, Smith JF, Abrahams K, Bowry M, Cederkäll J, Chupp T, de Angelis G, De Witte H, Garrett PE, Goldkuhle A, Henrich C, Illana A, Johnston K, Joss DT, Keatings JM, Kelly NA, Komorowska M, Kröll T, Lozano M, Nara Singh BS, O'Donnell D, Ojala J, Page RD, Pedersen LG, Raison C, Reiter P, Rodriguez JA, Rosiak D, Rothe S, Shneidman TM, Siebeck B, Seidlitz M, Sinclair J, Stryjczyk M, Van Duppen P, Vinals S, Virtanen V, Warr N, Wrzosek-Lipska K, Zielinska M. The observation of vibrating pear-shapes in radon nuclei. Nat Commun 2019; 10:2473. [PMID: 31171788 PMCID: PMC6554308 DOI: 10.1038/s41467-019-10494-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [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: 02/25/2019] [Accepted: 05/15/2019] [Indexed: 11/09/2022] Open
Abstract
There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the Standard Model of particle physics. Isotopes of both radon and radium have been identified as candidates for such measurements. Here, we observed the low-lying quantum states in 224Rn and 226Rn by accelerating beams of these radioactive nuclei. We show that radon isotopes undergo octupole vibrations but do not possess static pear-shapes in their ground states. We conclude that radon atoms provide less favourable conditions for the enhancement of a measurable atomic electric-dipole moment.
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Affiliation(s)
- P A Butler
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK.
| | - L P Gaffney
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK.,CERN, Geneva 23, CH-1211, Switzerland
| | - P Spagnoletti
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J Konki
- CERN, Geneva 23, CH-1211, Switzerland
| | - M Scheck
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J F Smith
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - K Abrahams
- Department of Physics & Astronomy, University of the Western Cape, Private Bag X17, Bellville, 7535, South Africa
| | - M Bowry
- TRIUMF, Vancouver, V6T 2A3, BC, Canada
| | - J Cederkäll
- Physics Department, Lund University, Box 118, Lund, SE-221 00, Sweden
| | - T Chupp
- Department of Physics, University of Michigan, Ann Arbor, 48104, MI, USA
| | - G de Angelis
- INFN Laboratori Nazionali di Legnaro, Legnaro, 35020, PD, Italy
| | - H De Witte
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - P E Garrett
- Department of Physics, University of Guelph, Guelph, N1G 2W1, Ontario, Canada
| | - A Goldkuhle
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - C Henrich
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, 64289, Germany
| | - A Illana
- INFN Laboratori Nazionali di Legnaro, Legnaro, 35020, PD, Italy
| | | | - D T Joss
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK
| | - J M Keatings
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - N A Kelly
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - M Komorowska
- Heavy Ion Laboratory, University of Warsaw, Warsaw, PL-02-093, Poland
| | - T Kröll
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, 64289, Germany
| | - M Lozano
- CERN, Geneva 23, CH-1211, Switzerland
| | - B S Nara Singh
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - D O'Donnell
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - J Ojala
- Department of Physics, University of Jyvaskyla, P.O. Box 35, Jyvaskyla, FIN-40014, Finland.,Helsinki Institute of Physics, P.O. Box 64, Helsinki, FIN-00014, Finland
| | - R D Page
- Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK
| | - L G Pedersen
- Department of Physics, University of Oslo, P.O. Box 1048, Oslo, N-0316, Norway
| | - C Raison
- Department of Physics, University of York, York, YO10 5DD, UK
| | - P Reiter
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | | | - D Rosiak
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - S Rothe
- CERN, Geneva 23, CH-1211, Switzerland
| | | | - B Siebeck
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - M Seidlitz
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - J Sinclair
- School of Computing, Engineering and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, UK
| | - M Stryjczyk
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - P Van Duppen
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Leuven, B-3001, Belgium
| | - S Vinals
- Consejo Superior De Investigaciones Científicas, Madrid, S 28040, Spain
| | - V Virtanen
- Department of Physics, University of Jyvaskyla, P.O. Box 35, Jyvaskyla, FIN-40014, Finland.,Helsinki Institute of Physics, P.O. Box 64, Helsinki, FIN-00014, Finland
| | - N Warr
- Institute for Nuclear Physics, University of Cologne, Cologne, 50937, Germany
| | - K Wrzosek-Lipska
- Heavy Ion Laboratory, University of Warsaw, Warsaw, PL-02-093, Poland
| | - M Zielinska
- IRFU CEA, Université Paris-Saclay, Gif-sur-Yvette, F-91191, France
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15
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Harting R, Johnston K, Petersen S. Correlating in vitro degradation and drug release kinetics of biopolymer-based drug delivery systems. International Journal of Biobased Plastics 2019. [DOI: 10.1080/24759651.2018.1563358] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- R. Harting
- Laboratory for Chemistry and Surface Modification, University of Applied Sciences Osnabrück, Osnabrück, Germany
| | - K. Johnston
- Department Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - S. Petersen
- Laboratory for Chemistry and Surface Modification, University of Applied Sciences Osnabrück, Osnabrück, Germany
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16
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Rosiak D, Seidlitz M, Reiter P, Naïdja H, Tsunoda Y, Togashi T, Nowacki F, Otsuka T, Colò G, Arnswald K, Berry T, Blazhev A, Borge MJG, Cederkäll J, Cox DM, De Witte H, Gaffney LP, Henrich C, Hirsch R, Huyse M, Illana A, Johnston K, Kaya L, Kröll T, Benito MLL, Ojala J, Pakarinen J, Queiser M, Rainovski G, Rodriguez JA, Siebeck B, Siesling E, Snäll J, Van Duppen P, Vogt A, von Schmid M, Warr N, Wenander F, Zell KO. Enhanced Quadrupole and Octupole Strength in Doubly Magic ^{132}Sn. Phys Rev Lett 2018; 121:252501. [PMID: 30608829 DOI: 10.1103/physrevlett.121.252501] [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: 05/28/2018] [Revised: 09/14/2018] [Indexed: 06/09/2023]
Abstract
The first 2^{+} and 3^{-} states of the doubly magic nucleus ^{132}Sn are populated via safe Coulomb excitation employing the recently commissioned HIE-ISOLDE accelerator at CERN in conjunction with the highly efficient MINIBALL array. The ^{132}Sn ions are accelerated to an energy of 5.49 MeV/nucleon and impinged on a ^{206}Pb target. Deexciting γ rays from the low-lying excited states of the target and the projectile are recorded in coincidence with scattered particles. The reduced transition strengths are determined for the transitions 0_{g.s.}^{+}→2_{1}^{+}, 0_{g.s.}^{+}→3_{1}^{-}, and 2_{1}^{+}→3_{1}^{-} in ^{132}Sn. The results on these states provide crucial information on cross-shell configurations which are determined within large-scale shell-model and Monte Carlo shell-model calculations as well as from random-phase approximation and relativistic random-phase approximation. The locally enhanced B(E2;0_{g.s.}^{+}→2_{1}^{+}) strength is consistent with the microscopic description of the structure of the respective states within all theoretical approaches. The presented results of experiment and theory can be considered to be the first direct verification of the sphericity and double magicity of ^{132}Sn.
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Affiliation(s)
- D Rosiak
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - M Seidlitz
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - P Reiter
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - H Naïdja
- Université de Strasbourg, IPHC, 23 rue du Loess, F-67037 Strasbourg, France
- CNRS, UMR 7178, F-67037 Strasbourg, France
- Université Constantine 1, LPMS, route Ain El Bey, DZ-25000 Constantine, Algeria
| | - Y Tsunoda
- Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - T Togashi
- Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - F Nowacki
- Université de Strasbourg, IPHC, 23 rue du Loess, F-67037 Strasbourg, France
- CNRS, UMR 7178, F-67037 Strasbourg, France
| | - T Otsuka
- Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - G Colò
- Dipartimento di Fisica, Universitò degli Studi di Milano, Via Celoria 16, I-20133 Milano, Italy
- INFN sezione di Milano, Via Celoria 16, I-20133, Milano, Italy
| | - K Arnswald
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - T Berry
- Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdom
| | - A Blazhev
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - M J G Borge
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - J Cederkäll
- Department of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden
| | - D M Cox
- University of Jyvaskyla, Department of Physics, P. O. Box 35, FI-40014 University of Jyvaskyla, Finland
- Helsinki Institute of Physics, P. O. Box 64, FI-00014 Helsinki, Finland
| | - H De Witte
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - L P Gaffney
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - C Henrich
- Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, D-64289 Darmstadt, Germany
| | - R Hirsch
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - M Huyse
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - A Illana
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - K Johnston
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - L Kaya
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - Th Kröll
- Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, D-64289 Darmstadt, Germany
| | | | - J Ojala
- University of Jyvaskyla, Department of Physics, P. O. Box 35, FI-40014 University of Jyvaskyla, Finland
- Helsinki Institute of Physics, P. O. Box 64, FI-00014 Helsinki, Finland
| | - J Pakarinen
- University of Jyvaskyla, Department of Physics, P. O. Box 35, FI-40014 University of Jyvaskyla, Finland
- Helsinki Institute of Physics, P. O. Box 64, FI-00014 Helsinki, Finland
| | - M Queiser
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - G Rainovski
- Department of Atomic Physics, University of Sofia, 5 James Bourchier Boulevard, BG-1164 Sofia, Bulgaria
| | | | - B Siebeck
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - E Siesling
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - J Snäll
- Department of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden
| | - P Van Duppen
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - A Vogt
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - M von Schmid
- Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, D-64289 Darmstadt, Germany
| | - N Warr
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - F Wenander
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - K O Zell
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
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17
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Damone L, Barbagallo M, Mastromarco M, Mengoni A, Cosentino L, Maugeri E, Heinitz S, Schumann D, Dressler R, Käppeler F, Colonna N, Finocchiaro P, Andrzejewski J, Perkowski J, Gawlik A, Aberle O, Altstadt S, Ayranov M, Audouin L, Bacak M, Balibrea-Correa J, Ballof J, Bécares V, Bečvář F, Beinrucker C, Bellia G, Bernardes AP, Berthoumieux E, Billowes J, Borge MJG, Bosnar D, Brown A, Brugger M, Busso M, Caamaño M, Calviño F, Calviani M, Cano-Ott D, Cardella R, Casanovas A, Castelluccio DM, Catherall R, Cerutti F, Chen YH, Chiaveri E, Correia JGM, Cortés G, Cortés-Giraldo MA, Cristallo S, Diakaki M, Dietz M, Domingo-Pardo C, Dorsival A, Dupont E, Duran I, Fernandez-Dominguez B, Ferrari A, Ferreira P, Furman W, Ganesan S, García-Rios A, Gilardoni S, Glodariu T, Göbel K, Gonçalves IF, González-Romero E, Goodacre TD, Griesmayer E, Guerrero C, Gunsing F, Harada H, Heftrich T, Heyse J, Jenkins DG, Jericha E, Johnston K, Kadi Y, Kalamara A, Katabuchi T, Kavrigin P, Kimura A, Kivel N, Köster U, Kokkoris M, Krtička M, Kurtulgil D, Leal-Cidoncha E, Lederer-Woods C, Leeb H, Lerendegui-Marco J, Lo Meo S, Lonsdale SJ, Losito R, Macina D, Marganiec J, Marsh B, Martínez T, Masi A, Massimi C, Mastinu P, Matteucci F, Mazzone A, Mendoza E, Milazzo PM, Mingrone F, Mirea M, Musumarra A, Negret A, Nolte R, Oprea A, Patronis N, Pavlik A, Piersanti L, Piscopo M, Plompen A, Porras I, Praena J, Quesada JM, Radeck D, Rajeev K, Rauscher T, Reifarth R, Riego-Perez A, Rothe S, Rout P, Rubbia C, Ryan J, Sabaté-Gilarte M, Saxena A, Schell J, Schillebeeckx P, Schmidt S, Sedyshev P, Seiffert C, Smith AG, Sosnin NV, Stamatopoulos A, Stora T, Tagliente G, Tain JL, Tarifeño-Saldivia A, Tassan-Got L, Tsinganis A, Valenta S, Vannini G, Variale V, Vaz P, Ventura A, Vlachoudis V, Vlastou R, Wallner A, Warren S, Weigand M, Weiß C, Wolf C, Woods PJ, Wright T, Žugec P. ^{7}Be(n,p)^{7}Li Reaction and the Cosmological Lithium Problem: Measurement of the Cross Section in a Wide Energy Range at n_TOF at CERN. Phys Rev Lett 2018; 121:042701. [PMID: 30095928 DOI: 10.1103/physrevlett.121.042701] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 05/09/2018] [Indexed: 06/08/2023]
Abstract
We report on the measurement of the ^{7}Be(n,p)^{7}Li cross section from thermal to approximately 325 keV neutron energy, performed in the high-flux experimental area (EAR2) of the n_TOF facility at CERN. This reaction plays a key role in the lithium yield of the big bang nucleosynthesis (BBN) for standard cosmology. The only two previous time-of-flight measurements performed on this reaction did not cover the energy window of interest for BBN, and they showed a large discrepancy between each other. The measurement was performed with a Si telescope and a high-purity sample produced by implantation of a ^{7}Be ion beam at the ISOLDE facility at CERN. While a significantly higher cross section is found at low energy, relative to current evaluations, in the region of BBN interest, the present results are consistent with the values inferred from the time-reversal ^{7}Li(p,n)^{7}Be reaction, thus yielding only a relatively minor improvement on the so-called cosmological lithium problem. The relevance of these results on the near-threshold neutron production in the p+^{7}Li reaction is also discussed.
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Affiliation(s)
- L Damone
- INFN, Sezione di Bari, Italy
- Dipartimento di Fisica, Università degli Studi di Bari, Italy
| | - M Barbagallo
- INFN, Sezione di Bari, Italy
- European Organization for Nuclear Research (CERN), Switzerland
| | - M Mastromarco
- INFN, Sezione di Bari, Italy
- European Organization for Nuclear Research (CERN), Switzerland
| | - A Mengoni
- ENEA, Bologna, Italy
- INFN, Sezione di Bologna, Italy
| | - L Cosentino
- INFN, Laboratori Nazionali del Sud, Catania, Italy
| | - E Maugeri
- Paul Scherrer Institut, Villigen PSI, Switzerland
| | - S Heinitz
- Paul Scherrer Institut, Villigen PSI, Switzerland
| | - D Schumann
- Paul Scherrer Institut, Villigen PSI, Switzerland
| | - R Dressler
- Paul Scherrer Institut, Villigen PSI, Switzerland
| | - F Käppeler
- Karlsruhe Institute of Technology (KIT), Institut für Kernphysik, Karlsruhe, Germany
| | | | | | | | | | - A Gawlik
- Uniwersytet Łódzki, Lodz, Poland
| | - O Aberle
- European Organization for Nuclear Research (CERN), Switzerland
| | - S Altstadt
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | - M Ayranov
- European Commission, DG-Energy, Luxembourg
| | - L Audouin
- Centre National de la Recherche Scientifique/IN2P3, IPN, Orsay, France
| | - M Bacak
- European Organization for Nuclear Research (CERN), Switzerland
- Atominstitut der Österreichischen Universitäten, Technische Universität Wien, Austria
| | - J Balibrea-Correa
- Centro de Investigaciones Energeticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | - J Ballof
- European Organization for Nuclear Research (CERN), Switzerland
| | - V Bécares
- Centro de Investigaciones Energeticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | - F Bečvář
- Charles University, Prague, Czech Republic
| | - C Beinrucker
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | - G Bellia
- INFN, Laboratori Nazionali del Sud, Catania, Italy
- Dipartimento di Fisica e Astronomia, Università di Catania, Italy
| | - A P Bernardes
- European Organization for Nuclear Research (CERN), Switzerland
| | | | - J Billowes
- University of Manchester, Oxford Road, Manchester, United Kingdom
| | - M J G Borge
- European Organization for Nuclear Research (CERN), Switzerland
| | - D Bosnar
- Department of Physics, Faculty of Science, University of Zagreb, Croatia
| | - A Brown
- University of York, Heslington, York, United Kingdom
| | - M Brugger
- European Organization for Nuclear Research (CERN), Switzerland
| | - M Busso
- INFN, Sezione di Perugia, Italy
- Dipartimento di Fisica e Geologia, Università di Perugia, Italy
| | - M Caamaño
- Universidade de Santiago de Compostela, Spain
| | - F Calviño
- Universitat Politecnica de Catalunya, Barcelona, Spain
| | - M Calviani
- European Organization for Nuclear Research (CERN), Switzerland
| | - D Cano-Ott
- Centro de Investigaciones Energeticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | - R Cardella
- European Organization for Nuclear Research (CERN), Switzerland
- INFN, Laboratori Nazionali del Sud, Catania, Italy
| | - A Casanovas
- Universitat Politecnica de Catalunya, Barcelona, Spain
| | | | - R Catherall
- European Organization for Nuclear Research (CERN), Switzerland
| | - F Cerutti
- European Organization for Nuclear Research (CERN), Switzerland
| | - Y H Chen
- Centre National de la Recherche Scientifique/IN2P3, IPN, Orsay, France
| | - E Chiaveri
- European Organization for Nuclear Research (CERN), Switzerland
| | - J G M Correia
- European Organization for Nuclear Research (CERN), Switzerland
- C2TN, Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - G Cortés
- Universitat Politecnica de Catalunya, Barcelona, Spain
| | | | - S Cristallo
- INFN, Sezione di Perugia, Italy
- Istituto Nazionale di Astrofisica, Osservatorio Astronomico d'Abruzzo, Italy
| | - M Diakaki
- National Technical University of Athens (NTUA), Greece
| | - M Dietz
- School of Physics and Astronomy, University of Edinburgh, United Kingdom
| | - C Domingo-Pardo
- Instituto de Física Corpuscular, CSIC, Universidad de Valencia, Spain
| | - A Dorsival
- European Organization for Nuclear Research (CERN), Switzerland
| | - E Dupont
- CEA/Saclay, IRFU, Gif-sur-Yvette, France
| | - I Duran
- Universidade de Santiago de Compostela, Spain
| | | | - A Ferrari
- European Organization for Nuclear Research (CERN), Switzerland
| | - P Ferreira
- C2TN, Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - W Furman
- Joint Institute of Nuclear Research, Dubna, Russia
| | - S Ganesan
- Bhabha Atomic Research Centre (BARC), Mumbai, India
| | - A García-Rios
- Centro de Investigaciones Energeticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | - S Gilardoni
- European Organization for Nuclear Research (CERN), Switzerland
| | - T Glodariu
- Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), Bucharest-Magurele, Romania
| | - K Göbel
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | - I F Gonçalves
- C2TN, Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - E González-Romero
- Centro de Investigaciones Energeticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | - T D Goodacre
- European Organization for Nuclear Research (CERN), Switzerland
| | - E Griesmayer
- Atominstitut der Österreichischen Universitäten, Technische Universität Wien, Austria
| | | | - F Gunsing
- CEA/Saclay, IRFU, Gif-sur-Yvette, France
| | - H Harada
- Japan Atomic Energy Agency (JAEA), Tokai-mura, Japan
| | - T Heftrich
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | - J Heyse
- European Commission JRC, Institute for Reference Materials and Measurements, Geel, Belgium
| | - D G Jenkins
- University of York, Heslington, York, United Kingdom
| | - E Jericha
- Atominstitut der Österreichischen Universitäten, Technische Universität Wien, Austria
| | - K Johnston
- European Organization for Nuclear Research (CERN), Switzerland
| | - Y Kadi
- European Organization for Nuclear Research (CERN), Switzerland
| | - A Kalamara
- National Technical University of Athens (NTUA), Greece
| | | | - P Kavrigin
- Atominstitut der Österreichischen Universitäten, Technische Universität Wien, Austria
| | - A Kimura
- Japan Atomic Energy Agency (JAEA), Tokai-mura, Japan
| | - N Kivel
- Paul Scherrer Institut, Villigen PSI, Switzerland
| | - U Köster
- Institut Laue-Langevin (ILL), Grenoble, France
| | - M Kokkoris
- National Technical University of Athens (NTUA), Greece
| | - M Krtička
- Charles University, Prague, Czech Republic
| | - D Kurtulgil
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | | | - C Lederer-Woods
- School of Physics and Astronomy, University of Edinburgh, United Kingdom
| | - H Leeb
- Atominstitut der Österreichischen Universitäten, Technische Universität Wien, Austria
| | | | - S Lo Meo
- ENEA, Bologna, Italy
- INFN, Sezione di Bologna, Italy
| | - S J Lonsdale
- School of Physics and Astronomy, University of Edinburgh, United Kingdom
| | - R Losito
- European Organization for Nuclear Research (CERN), Switzerland
| | - D Macina
- European Organization for Nuclear Research (CERN), Switzerland
| | | | - B Marsh
- European Organization for Nuclear Research (CERN), Switzerland
| | - T Martínez
- Centro de Investigaciones Energeticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | - A Masi
- European Organization for Nuclear Research (CERN), Switzerland
| | - C Massimi
- INFN, Sezione di Bologna, Italy
- Dipartimento di Fisica e Astronomia, Università di Bologna, Italy
| | - P Mastinu
- INFN, Laboratori Nazionali di Legnaro, Italy
| | - F Matteucci
- INFN, Sezione di Trieste, Italy
- Dipartimento di Astronomia, Università di Trieste, Italy
| | - A Mazzone
- INFN, Sezione di Bari, Italy
- CNR, IC, Bari, Italy
| | - E Mendoza
- Centro de Investigaciones Energeticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | | | - F Mingrone
- European Organization for Nuclear Research (CERN), Switzerland
| | - M Mirea
- Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), Bucharest-Magurele, Romania
| | - A Musumarra
- INFN, Laboratori Nazionali del Sud, Catania, Italy
- Dipartimento di Fisica e Astronomia, Università di Catania, Italy
| | - A Negret
- Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), Bucharest-Magurele, Romania
| | - R Nolte
- Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany
| | - A Oprea
- Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), Bucharest-Magurele, Romania
| | | | - A Pavlik
- University of Vienna, Faculty of Physics, Austria
| | - L Piersanti
- INFN, Sezione di Perugia, Italy
- Istituto Nazionale di Astrofisica, Osservatorio Astronomico d'Abruzzo, Italy
| | - M Piscopo
- INFN, Laboratori Nazionali del Sud, Catania, Italy
| | - A Plompen
- European Commission JRC, Institute for Reference Materials and Measurements, Geel, Belgium
| | | | - J Praena
- Universidad de Sevilla, Spain
- Universidad de Granada, Spain
| | | | - D Radeck
- Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany
| | - K Rajeev
- Bhabha Atomic Research Centre (BARC), Mumbai, India
| | - T Rauscher
- Centre for Astrophysics Research, School of Physics, Astronomy and Mathematics, University of Hertfordshire, Hatfield, United Kingdom
| | - R Reifarth
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | - A Riego-Perez
- Universitat Politecnica de Catalunya, Barcelona, Spain
| | - S Rothe
- University of Manchester, Oxford Road, Manchester, United Kingdom
| | - P Rout
- Bhabha Atomic Research Centre (BARC), Mumbai, India
| | - C Rubbia
- European Organization for Nuclear Research (CERN), Switzerland
| | - J Ryan
- University of Manchester, Oxford Road, Manchester, United Kingdom
| | - M Sabaté-Gilarte
- European Organization for Nuclear Research (CERN), Switzerland
- Universidad de Sevilla, Spain
| | - A Saxena
- Bhabha Atomic Research Centre (BARC), Mumbai, India
| | - J Schell
- European Organization for Nuclear Research (CERN), Switzerland
- Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Essen, Germany
| | - P Schillebeeckx
- European Commission JRC, Institute for Reference Materials and Measurements, Geel, Belgium
| | - S Schmidt
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | - P Sedyshev
- Joint Institute of Nuclear Research, Dubna, Russia
| | - C Seiffert
- European Organization for Nuclear Research (CERN), Switzerland
| | - A G Smith
- University of Manchester, Oxford Road, Manchester, United Kingdom
| | - N V Sosnin
- University of Manchester, Oxford Road, Manchester, United Kingdom
| | | | - T Stora
- European Organization for Nuclear Research (CERN), Switzerland
| | | | - J L Tain
- Instituto de Física Corpuscular, CSIC, Universidad de Valencia, Spain
| | - A Tarifeño-Saldivia
- Universitat Politecnica de Catalunya, Barcelona, Spain
- Instituto de Física Corpuscular, CSIC, Universidad de Valencia, Spain
| | - L Tassan-Got
- Centre National de la Recherche Scientifique/IN2P3, IPN, Orsay, France
| | - A Tsinganis
- European Organization for Nuclear Research (CERN), Switzerland
| | - S Valenta
- Charles University, Prague, Czech Republic
| | - G Vannini
- INFN, Sezione di Bologna, Italy
- Dipartimento di Fisica e Astronomia, Università di Bologna, Italy
| | | | - P Vaz
- C2TN, Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | | | - V Vlachoudis
- European Organization for Nuclear Research (CERN), Switzerland
| | - R Vlastou
- National Technical University of Athens (NTUA), Greece
| | - A Wallner
- University of Vienna, Faculty of Physics, Austria
- Research School of Physics and Engineering, Australian National University, Canberra, Australia
| | - S Warren
- University of Manchester, Oxford Road, Manchester, United Kingdom
| | - M Weigand
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | - C Weiß
- European Organization for Nuclear Research (CERN), Switzerland
| | - C Wolf
- Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
| | - P J Woods
- School of Physics and Astronomy, University of Edinburgh, United Kingdom
| | - T Wright
- University of Manchester, Oxford Road, Manchester, United Kingdom
| | - P Žugec
- Department of Physics, Faculty of Science, University of Zagreb, Croatia
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Cavallari J, Bridgeman P, Awad N, Strickland P, Johnston K, Jawaro T, Riggs R. 114 A Survey of Emergency Medicine Resident Education in Prescribing Medications for Pregnant and Breastfeeding Women in the Emergency Department. Ann Emerg Med 2017. [DOI: 10.1016/j.annemergmed.2017.07.140] [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: 10/18/2022]
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Loaiza-Bonilla A, Kurnaz S, Johnston K, Culcuoglu C, Arango B. Feasibility of precision oncology virtual tumour boards to optimise direct point-of-care management and clinical trial enrolment of advanced cancer patients: New models for personalised oncology. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx508.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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20
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Ranitzsch PCO, Hassel C, Wegner M, Hengstler D, Kempf S, Fleischmann A, Enss C, Gastaldo L, Herlert A, Johnston K. Characterization of the ^{163}Ho Electron Capture Spectrum: A Step Towards the Electron Neutrino Mass Determination. Phys Rev Lett 2017; 119:122501. [PMID: 29341650 DOI: 10.1103/physrevlett.119.122501] [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: 04/26/2017] [Indexed: 06/07/2023]
Abstract
The isotope ^{163}Ho is in many ways the best candidate to perform experiments to investigate the value of the electron neutrino mass. It undergoes an electron capture process to ^{163}Dy with an energy available to the decay, Q_{EC}, of about 2.8 keV. According to the present knowledge, this is the lowest Q_{EC} value for such transitions. Here we discuss a newly obtained spectrum of ^{163}Ho, taken by cryogenic metallic magnetic calorimeters with ^{163}Ho implanted in the absorbers and operated in anticoincident mode for background reduction. For the first time, the atomic deexcitation of the ^{163}Dy daughter atom following the capture of electrons from the 5s shell in ^{163}Ho, the OI line, was observed with a calorimetric measurement. The peak energy is determined to be 48 eV. In addition, a precise determination of the energy available for the decay Q_{EC}=(2.858±0.010_{stat}±0.05_{syst}) keV was obtained by analyzing the intensities of the lines in the spectrum. This value is in good agreement with the measurement of the mass difference between ^{163}Ho and ^{163}Dy obtained by Penning-trap mass spectrometry, demonstrating the reliability of the calorimetric technique.
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Affiliation(s)
- P C-O Ranitzsch
- Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - C Hassel
- Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - M Wegner
- Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - D Hengstler
- Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - S Kempf
- Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - A Fleischmann
- Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - C Enss
- Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - L Gastaldo
- Kirchhoff-Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany
| | - A Herlert
- Physics Department, CERN, 1211 Geneva 23, Switzerland
| | - K Johnston
- Physics Department, CERN, 1211 Geneva 23, Switzerland
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Mantovan R, Fallica R, Mokhles Gerami A, Mølholt TE, Wiemer C, Longo M, Gunnlaugsson HP, Johnston K, Masenda H, Naidoo D, Ncube M, Bharuth-Ram K, Fanciulli M, Gislason HP, Langouche G, Ólafsson S, Weyer G. Atomic-scale study of the amorphous-to-crystalline phase transition mechanism in GeTe thin films. Sci Rep 2017; 7:8234. [PMID: 28811632 PMCID: PMC5558007 DOI: 10.1038/s41598-017-08275-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [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: 04/05/2017] [Accepted: 07/10/2017] [Indexed: 11/25/2022] Open
Abstract
The underlying mechanism driving the structural amorphous-to-crystalline transition in Group VI chalcogenides is still a matter of debate even in the simplest GeTe system. We exploit the extreme sensitivity of 57Fe emission Mössbauer spectroscopy, following dilute implantation of 57Mn (T½ = 1.5 min) at ISOLDE/CERN, to study the electronic charge distribution in the immediate vicinity of the 57Fe probe substituting Ge (FeGe), and to interrogate the local environment of FeGe over the amorphous-crystalline phase transition in GeTe thin films. Our results show that the local structure of as-sputtered amorphous GeTe is a combination of tetrahedral and defect-octahedral sites. The main effect of the crystallization is the conversion from tetrahedral to defect-free octahedral sites. We discover that only the tetrahedral fraction in amorphous GeTe participates to the change of the FeGe-Te chemical bonds, with a net electronic charge density transfer of ~ 1.6 e/a0 between FeGe and neighboring Te atoms. This charge transfer accounts for a lowering of the covalent character during crystallization. The results are corroborated by theoretical calculations within the framework of density functional theory. The observed atomic-scale chemical-structural changes are directly connected to the macroscopic phase transition and resistivity switch of GeTe thin films.
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Affiliation(s)
- R Mantovan
- Laboratorio MDM, IMM-CNR, Via Olivetti 2, 20864, Agrate Brianza (MB), Italy.
| | - R Fallica
- Laboratorio MDM, IMM-CNR, Via Olivetti 2, 20864, Agrate Brianza (MB), Italy.,Laboratory for Micro- and Nanotechnology, Paul Scherrer Institute, 5232, Villigen PSI, Switzerland
| | - A Mokhles Gerami
- Physics Department, ISOLDE/CERN, Geneva 23, Switzerland.,Dept. of Physics, K. N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran
| | - T E Mølholt
- Physics Department, ISOLDE/CERN, Geneva 23, Switzerland
| | - C Wiemer
- Laboratorio MDM, IMM-CNR, Via Olivetti 2, 20864, Agrate Brianza (MB), Italy
| | - M Longo
- Laboratorio MDM, IMM-CNR, Via Olivetti 2, 20864, Agrate Brianza (MB), Italy.
| | - H P Gunnlaugsson
- Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavík, Iceland
| | - K Johnston
- Physics Department, ISOLDE/CERN, Geneva 23, Switzerland
| | - H Masenda
- School of Physics, University of the Witwatersrand, Johannesburg, 2050, South Africa
| | - D Naidoo
- School of Physics, University of the Witwatersrand, Johannesburg, 2050, South Africa
| | - M Ncube
- School of Physics, University of the Witwatersrand, Johannesburg, 2050, South Africa
| | - K Bharuth-Ram
- Durban University of Technology, Durban, 4000, South Africa.,School of Chemistry and Physics, University of KwaZulu-Natal, Durban, 4000, South Africa
| | - M Fanciulli
- Laboratorio MDM, IMM-CNR, Via Olivetti 2, 20864, Agrate Brianza (MB), Italy.,Dipartimento di Scienza dei Materiali, Università di Milano Bicocca, Milano, Italy
| | - H P Gislason
- Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavík, Iceland
| | - G Langouche
- KU Leuven, Instituut voor Kern-en Stralings Fysika, B-3001, Leuven, Belgium
| | - S Ólafsson
- Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavík, Iceland
| | - G Weyer
- Department of Physics and Astronomy, Aarhus University, Aarhus C, Denmark
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22
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Mølholt TE, Gunnlaugsson HP, Johnston K, Mantovan R, Röder J, Adoons V, Mokhles Gerami A, Masenda H, Matveyev YA, Ncube M, Unzueta I, Bharuth-Ram K, Gislason HP, Krastev P, Langouche G, Naidoo D, Ólafsson S, Zenkevich A. Charge states and lattice sites of dilute implanted Sn in ZnO. J Phys Condens Matter 2017; 29:155701. [PMID: 28165333 DOI: 10.1088/1361-648x/aa5e95] [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] [Indexed: 06/06/2023]
Abstract
The common charge states of Sn are 2+ and 4+. While charge neutrality considerations favour 2+ to be the natural charge state of Sn in ZnO, there are several reports suggesting the 4+ state instead. In order to investigate the charge states, lattice sites, and the effect of the ion implantation process of dilute Sn atoms in ZnO, we have performed 119Sn emission Mössbauer spectroscopy on ZnO single crystal samples following ion implantation of radioactive 119In (T ½ = 2.4 min) at temperatures between 96 K and 762 K. Complementary perturbed angular correlation measurements on 111mCd implanted ZnO were also conducted. Our results show that the 2+ state is the natural charge state for Sn in defect free ZnO and that the 4+ charge state is stabilized by acceptor defects created in the implantation process.
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Affiliation(s)
- T E Mølholt
- EP Department, ISOLDE/CERN, 1211 Geneva 23, Switzerland
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23
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Slutsky J, Greco C, McFarland C, Dodds N, Johnston K, Glick R, Schneider M, Janjic J, Kelly N, Morone N, Adams C, Lawrence S, Pilkonis P. (355) Measuring clarity, relevance, and usefulness of HEAL and PROMIS measures in pain treatment through interviews with patients and their healthcare providers. The Journal of Pain 2017. [DOI: 10.1016/j.jpain.2017.02.329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Androic D, Armstrong D, Asaturyan A, Averett T, Balewski J, Bartlett K, Beaufait J, Beminiwattha R, Benesch J, Benmokhtar F, Birchall J, Carlini R, Cates G, Cornejo J, Covrig S, Dalton M, Davis C, Deconinck W, Diefenbach J, Dowd J, Dunne J, Dutta D, Duvall W, Elaasar M, Falk W, Finn J, Forest T, Gal C, Gaskell D, Gericke M, Grames J, Gray V, Grimm K, Guo F, Hoskins J, Johnston K, Jones D, Jones M, Jones R, Kargiantoulakis M, King P, Korkmaz E, Kowalski S, Leacock J, Leckey J, Lee A, Lee J, Lee L, MacEwan S, Mack D, Magee J, Mahurin R, Mammei J, Martin J, McHugh M, Meekins D, Mei J, Michaels R, Micherdzinska A, Mkrtchyan A, Mkrtchyan H, Morgan N, Myers K, Narayan A, Ndukum L, Nelyubin V, Nuhait H, Nuruzzaman, van Oers W, Opper A, Page S, Pan J, Paschke K, Phillips S, Pitt M, Poelker M, Rajotte J, Ramsay W, Roche J, Sawatzky B, Seva T, Shabestari M, Silwal R, Simicevic N, Smith G, Solvignon P, Spayde D, Subedi A, Subedi R, Suleiman R, Tadevosyan V, Tobias W, Tvaskis V, Waidyawansa B, Wang P, Wells S, Wood S, Yang S, Young R, Zang P, Zhamkochyan S. Qweak: First Direct Measurement of the Proton’s Weak Charge. EPJ Web Conf 2017. [DOI: 10.1051/epjconf/201713708005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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25
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Burns DS, Fletcher D, Johnston K, Bailey MS, Campbell K. Novel porcine model of cutaneous myiasis: a training tool for healthcare workers. J ROY ARMY MED CORPS 2017; 163:339-341. [PMID: 28193747 DOI: 10.1136/jramc-2016-000737] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 10/25/2016] [Revised: 01/09/2017] [Accepted: 01/13/2017] [Indexed: 11/04/2022]
Abstract
Cutaneous myiasis is a well-described problem in travellers to endemic regions including military personnel. Realistic training is important to ensure that healthcare workers have the confidence and expertise to recognise cutaneous myiasis and safely remove larvae if required. A model is described here that is simple, reproducible and realistic, and will allow for training of military healthcare workers in safe surgical removal of larvae when required.
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Affiliation(s)
- Daniel S Burns
- Department of Infection and Tropical Medicine, Heartlands Hospital, Birmingham, UK.,Army Medical Directorate, Camberley, UK
| | - D Fletcher
- Venning Barracks, DPHC Wales-West Midlands HQ, Telford, Shropshire, UK
| | - K Johnston
- Venning Barracks, DPHC Wales-West Midlands HQ, Telford, Shropshire, UK
| | - M S Bailey
- Department of Infection and Tropical Medicine, Heartlands Hospital, Birmingham, UK.,Department of Military Medicine, Royal Centre for Defence Medicine, Birmingham, UK
| | - K Campbell
- Venning Barracks, DPHC Wales-West Midlands HQ, Telford, Shropshire, UK
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26
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Addley S, Johnston K. A Review of Single Surgeon’s Experience of Laparoscopic Adnexal Surgery in 136 Patients. J Minim Invasive Gynecol 2016. [DOI: 10.1016/j.jmig.2016.08.734] [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: 10/20/2022]
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27
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Addley S, Johnston K. Unexpected Malignancy at Routine Laparoscopic Adnexal Surgery: A Review of Single Surgeon’s Experience Over Six Years. J Minim Invasive Gynecol 2016. [DOI: 10.1016/j.jmig.2016.08.243] [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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28
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Hart K, Raviraj S, Jones C, Johnston K. Factors associated with successful weight loss maintenance after very low calorie diet-induced weight loss. Appetite 2015. [DOI: 10.1016/j.appet.2014.12.171] [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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29
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Carter D, Steele C, Senior L, Johnston K, Capehorn M. Trial protocol to assess the effects of intermittent (IER) versus continuous energy restriction (CER) on weight and other risk factors in patients attending the Rotherham Institute for Obesity (RIO). Appetite 2015. [DOI: 10.1016/j.appet.2014.12.189] [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: 11/30/2022]
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30
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Butt HJ, Duran H, Egger W, Faupel F, Harmandaris V, Harms S, Johnston K, Kremer K, Lin FY, Lue L, Ohrt C, Raetzke K, Ravelli L, Steffen W, Vianna SDB. Interphase of a Polymer at a Solid Interface. Macromolecules 2014. [DOI: 10.1021/ma501747j] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- H. J. Butt
- Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany
| | - H. Duran
- Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany
- Department of Materials Science & Nanotechnology Engineering, TOBB University of Economics and Technology, 06560, Ankara, Turkey
| | - W. Egger
- Institut
für Angewandte Physik und Messtechnik LRT2, Fakultät
für Luft- und Raumfahrttechnik, Universität der Bundeswehr München, Werner Heisenberg-Weg 39, 85577 Neubiberg, Germany
| | - F. Faupel
- Institute
for Materials Science, Chair for Multicomponent Materials, University of Kiel, Kaiserstrasse 2, D-24143 Kiel, Germany
| | - V. Harmandaris
- Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany
- Department
of Applied Mathematics, University of Crete, Heraklion, Greece
| | - S. Harms
- Institute
for Materials Science, Chair for Multicomponent Materials, University of Kiel, Kaiserstrasse 2, D-24143 Kiel, Germany
| | - K. Johnston
- Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany
- Department
of Chemical and Process Engineering, University of Strathclyde, 75 Montrose
Street, Glasgow G1 1XJ, United Kingdom
| | - K. Kremer
- Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany
| | - F. Y. Lin
- Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany
| | - L. Lue
- Department
of Chemical and Process Engineering, University of Strathclyde, 75 Montrose
Street, Glasgow G1 1XJ, United Kingdom
| | - C. Ohrt
- Institute
for Materials Science, Chair for Multicomponent Materials, University of Kiel, Kaiserstrasse 2, D-24143 Kiel, Germany
| | - K. Raetzke
- Institute
for Materials Science, Chair for Multicomponent Materials, University of Kiel, Kaiserstrasse 2, D-24143 Kiel, Germany
| | - L. Ravelli
- Institut
für Angewandte Physik und Messtechnik LRT2, Fakultät
für Luft- und Raumfahrttechnik, Universität der Bundeswehr München, Werner Heisenberg-Weg 39, 85577 Neubiberg, Germany
| | - W. Steffen
- Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany
| | - S. D. B. Vianna
- Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany
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31
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White C, Niblock K, Abdelrahman A, Johnston K. The Dilemma of Failed Second Generation Endometrial Ablation. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.512] [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: 11/16/2022]
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32
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White C, Johnston K, Niblock K. A Review of Complications of Over 1000 Laparoscopic Surgeries. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.333] [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: 11/26/2022]
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33
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White C, Johnston K. A Year’s Worth of Readmissions Following Elective Gynaecological Surgery. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.425] [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: 11/27/2022]
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34
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Johnston K, Osenenko KM, Donato BMK, Qatami L, Alawi AA, Binbrek AS, Hersi AS, Mould JF, Levy AR. Treatment Patterns and Health Resource Utilization Among Atrial Fibrillation Patients in United Arab Emirates and Saudi Arabia. Value Health 2014; 17:A504. [PMID: 27201532 DOI: 10.1016/j.jval.2014.08.1527] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- K Johnston
- ICON Epidemiology, Vancouver, BC, Canada
| | | | - B M K Donato
- Bristol-Myers Squibb Company, Wallingford, CT, USA
| | - L Qatami
- Bristol-Myers Squibb Company, Dubai, United Arab Emirates
| | - A A Alawi
- Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
| | - A S Binbrek
- Rashid Hospital, Dubai, United Arab Emirates
| | - A S Hersi
- King Saud University Medical City, Riyadh, Saudi Arabia
| | | | - A R Levy
- ICON Epidemiology, Vancouver, BC, Canada
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35
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Androic D, Armstrong D, Asaturyan A, Averett T, Balewski J, Beaufait J, Beminiwattha R, Benesch J, Benmokhtar F, Birchall J, Carlini R, Cates G, Cornejo J, Covrig S, Dalton M, Davis C, Deconinck W, Diefenbach J, Dowd J, Dunne J, Dutta D, Duvall W, Elaasar M, Falk W, Finn J, Forest T, Gaskell D, Gericke M, Grames J, Gray V, Grimm K, Guo F, Hoskins J, Johnston K, Jones D, Jones M, Jones R, Kargiantoulakis M, King P, Korkmaz E, Kowalski S, Leacock J, Leckey J, Lee A, Lee J, Lee L, MacEwan S, Mack D, Magee J, Mahurin R, Mammei J, Martin J, McHugh M, Meekins D, Mei J, Michaels R, Micherdzinska A, Mkrtchyan A, Mkrtchyan H, Morgan N, Myers K, Narayan A, Ndukum L, Nelyubin V, Nuruzzaman, van Oers W, Opper A, Page S, Pan J, Paschke K, Phillips S, Pitt M, Poelker M, Rajotte J, Ramsay W, Roche J, Sawatzky B, Seva T, Shabestari M, Silwal R, Simicevic N, Smith G, Solvignon P, Spayde D, Subedi A, Subedi R, Suleiman R, Tadevosyan V, Tobias W, Tvaskis V, Waidyawansa B, Wang P, Wells S, Wood S, Yang S, Young R, Zhamkochyan S. Early Results from the QweakExperiment. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20146605002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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36
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Androic D, Armstrong DS, Asaturyan A, Averett T, Balewski J, Beaufait J, Beminiwattha RS, Benesch J, Benmokhtar F, Birchall J, Carlini RD, Cates GD, Cornejo JC, Covrig S, Dalton MM, Davis CA, Deconinck W, Diefenbach J, Dowd JF, Dunne JA, Dutta D, Duvall WS, Elaasar M, Falk WR, Finn JM, Forest T, Gaskell D, Gericke MTW, Grames J, Gray VM, Grimm K, Guo F, Hoskins JR, Johnston K, Jones D, Jones M, Jones R, Kargiantoulakis M, King PM, Korkmaz E, Kowalski S, Leacock J, Leckey J, Lee AR, Lee JH, Lee L, MacEwan S, Mack D, Magee JA, Mahurin R, Mammei J, Martin JW, McHugh MJ, Meekins D, Mei J, Michaels R, Micherdzinska A, Mkrtchyan A, Mkrtchyan H, Morgan N, Myers KE, Narayan A, Ndukum LZ, Nelyubin V, van Oers WTH, Opper AK, Page SA, Pan J, Paschke KD, Phillips SK, Pitt ML, Poelker M, Rajotte JF, Ramsay WD, Roche J, Sawatzky B, Seva T, Shabestari MH, Silwal R, Simicevic N, Smith GR, Solvignon P, Spayde DT, Subedi A, Subedi R, Suleiman R, Tadevosyan V, Tobias WA, Tvaskis V, Waidyawansa B, Wang P, Wells SP, Wood SA, Yang S, Young RD, Zhamkochyan S. First determination of the weak charge of the proton. Phys Rev Lett 2013; 111:141803. [PMID: 24152148 DOI: 10.1103/physrevlett.111.141803] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Indexed: 06/02/2023]
Abstract
The Q(weak) experiment has measured the parity-violating asymmetry in ep elastic scattering at Q(2)=0.025(GeV/c)(2), employing 145 μA of 89% longitudinally polarized electrons on a 34.4 cm long liquid hydrogen target at Jefferson Lab. The results of the experiment's commissioning run, constituting approximately 4% of the data collected in the experiment, are reported here. From these initial results, the measured asymmetry is A(ep)=-279±35 (stat) ± 31 (syst) ppb, which is the smallest and most precise asymmetry ever measured in ep scattering. The small Q(2) of this experiment has made possible the first determination of the weak charge of the proton Q(W)(p) by incorporating earlier parity-violating electron scattering (PVES) data at higher Q(2) to constrain hadronic corrections. The value of Q(W)(p) obtained in this way is Q(W)(p)(PVES)=0.064±0.012, which is in good agreement with the standard model prediction of Q(W)(p)(SM)=0.0710±0.0007. When this result is further combined with the Cs atomic parity violation (APV) measurement, significant constraints on the weak charges of the up and down quarks can also be extracted. That PVES+APV analysis reveals the neutron's weak charge to be Q(W)(n)(PVES+APV)=-0.975±0.010.
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Affiliation(s)
- D Androic
- University of Zagreb, Zagreb HR-10002, Croatia
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Nakamura SN, Matsumura A, Okayasu Y, Seva T, Rodriguez VM, Baturin P, Yuan L, Acha A, Ahmidouch A, Androic D, Asaturyan A, Asaturyan R, Baker OK, Benmokhtar F, Bosted P, Carlini R, Chen C, Christy M, Cole L, Danagoulian S, Daniel A, Dharmawardane V, Egiyan K, Elaasar M, Ent R, Fenker H, Fujii Y, Furic M, Gan L, Gaskell D, Gasparian A, Gibson EF, Gogami T, Gueye P, Han Y, Hashimoto O, Hiyama E, Honda D, Horn T, Hu B, Hungerford EV, Jayalath C, Jones M, Johnston K, Kalantarians N, Kanda H, Kaneta M, Kato F, Kato S, Kawama D, Keppel C, Lan KJ, Luo W, Mack D, Maeda K, Malace S, Margaryan A, Marikyan G, Markowitz P, Maruta T, Maruyama N, Miyoshi T, Mkrtchyan A, Mkrtchyan H, Nagao S, Navasardyan T, Niculescu G, Niculescu MI, Nomura H, Nonaka K, Ohtani A, Oyamada M, Perez N, Petkovic T, Randeniya S, Reinhold J, Roche J, Sato Y, Segbefia EK, Simicevic N, Smith G, Song Y, Sumihama M, Tadevosyan V, Takahashi T, Tang L, Tsukada K, Tvaskis V, Vulcan W, Wells S, Wood SA, Yan C, Zhamkochyan S. Observation of the (Λ)(7)He hypernucleus by the (e, e'K+) reaction. Phys Rev Lett 2013; 110:012502. [PMID: 23383783 DOI: 10.1103/physrevlett.110.012502] [Citation(s) in RCA: 5] [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: 07/02/2012] [Indexed: 06/01/2023]
Abstract
An experiment with a newly developed high-resolution kaon spectrometer and a scattered electron spectrometer with a novel configuration was performed in Hall C at Jefferson Lab. The ground state of a neutron-rich hypernucleus, (Λ)(7)He, was observed for the first time with the (e, e'K+) reaction with an energy resolution of ~0.6 MeV. This resolution is the best reported to date for hypernuclear reaction spectroscopy. The (Λ)(7)He binding energy supplies the last missing information of the A = 7, T = 1 hypernuclear isotriplet, providing a new input for the charge symmetry breaking effect of the ΛN potential.
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Affiliation(s)
- S N Nakamura
- Graduate School of Science, Tohoku University, Sendai, Miyagi 980-8578, Japan
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38
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Mantovan R, Gunnlaugsson HP, Naidoo D, Olafsson S, Johnston K, Masenda H, Mølholt TE, Bharuth-Ram K, Fanciulli M, Gislason HP, Langouche G, Sielemann R, Weyer G. Fe charge state adjustment in ZnO upon ion implantation. J Phys Condens Matter 2012; 24:485801. [PMID: 23139235 DOI: 10.1088/0953-8984/24/48/485801] [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] [Indexed: 06/01/2023]
Abstract
The influence of the ion implantation process on the charge state of dilute (57)Fe impurities implanted as radioactive (57)Mn in ZnO is investigated by (57)Fe emission Mössbauer spectroscopy. One sample is additionally implanted with stable (23)Na impurities. Both Fe(2+) and Fe(3+) charge states are observed, and the Fe(3+)/Fe(2+) ratio is found to increase with the fluence of both (57)Mn/(57)Fe and (23)Na ions, demonstrating that the build-up of Fe(3+) is not related to the chemical nature of the implanted ions. The results are interpreted in terms of radiation damage induced changes of the Fermi level, and illustrate that the Fe(3+)/Fe(2+) ratio can be adjusted by ion implantation. The spin-lattice relaxation time for Fe(3+) in ZnO is found to be independent of the implantation fluence, and is evidently an intrinsic property of the system.
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Affiliation(s)
- R Mantovan
- Laboratorio MDM, IMM-CNR, Agrate Brianza (MB), Italy.
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Douglas G, Adeney J, Johnston K, Wendling L, Coleman S. Major element, trace element, nutrient, and radionuclide mobility in a mining by-product-amended soil. J Environ Qual 2012; 41:1818-1834. [PMID: 23128739 DOI: 10.2134/jeq2012.0139] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
This study investigates the use of a mineral processing by-product, neutralized used acid (NUA), primarily composed of gypsum and Fe-oxyhydroxide, as a soil amendment. A 1489-d turf farm field trial assessed nutrient, trace element, and radionuclide mobility of a soil amended with ∼5% by mass to a depth of 15 cm of NUA. Average PO-P fluxes collected as subsoil leachates were 0.7 and 26.6 kg ha yr for NUA-amended and control sites, respectively, equating to a 97% reduction in PO-P loss after 434 kg P ha was applied. Total nitrogen fluxes in NUA-amended soil leachates were similarly reduced by 82%. Incorporation of NUA conferred major changes in leachate geochemistry with a diverse suite of trace elements depleted within NUA-amended leachates. Gypsum dissolution from NUA resulted in an increase from under- to oversaturation of the soil leachates for a range of Fe- and Ca-minerals including calcite and ferrihydrite, many of which have a well-documented ability to assimilate PO-P and trace elements. Isotopic analysis indicated little Pb addition from NUA. Both Sr and Nd isotope results revealed that NUA and added fertilizer became an important source of Ca to leachate and turf biomass. The NUA-amended soils retained a range of U-Th series radionuclides, with little evidence of transfer to soil leachate or turf biomass. Calculated radioactivity dose rates indicate only a small increment due to NUA amendment. With increased nutrient, trace element, and solute retention, and increased productivity, a range of potential agronomic benefits may be conferred by NUA amendment of soils, in addition to the potential to limit offsite nutrient loss and eutrophication.
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Affiliation(s)
- G Douglas
- CSIRO Land and Water, WA, Australia.
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Stachura M, Hemmingsen L, Thulstrup P, Johnston K, Gottberg A. 292 RADIOISOTOPES FOR PROBING BIOMOLECULAR FUNCTIONALITY IN LIVING MATTER. Radiother Oncol 2012. [DOI: 10.1016/s0167-8140(12)70255-4] [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: 11/26/2022]
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Barbaro P, Johnston K, Dalla-Pozza L, Cohn R, Wang Y, Marshall G, Ziegler D. Reduced incidence of second solid tumors in survivors of childhood Hodgkin's lymphoma treated without radiation therapy. Ann Oncol 2011; 22:2569-2574. [DOI: 10.1093/annonc/mdr013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
Abstract
In this paper we review materials characterization techniques using radioactive isotopes at the ISOLDE/CERN facility. At ISOLDE intense beams of chemically clean radioactive isotopes are provided by selective ion-sources and high-resolution isotope separators, which are coupled on-line with particle accelerators. There, new experiments are performed by an increasing number of materials researchers, which use nuclear spectroscopic techniques such as Mössbauer, perturbed angular correlations (PAC), β-NMR and emission channeling with short-lived isotopes not available elsewhere. Additionally, diffusion studies and traditionally non-radioactive techniques as deep level transient spectroscopy, Hall effect and photoluminescence measurements are performed on radioactive doped samples, providing in this way the element signature upon correlation of the time dependence of the signal with the isotope transmutation half-life. Current developments, applications and perspectives of using radioactive ion beams and techniques in solid state and biophysics research are presented with a few examples.
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Affiliation(s)
| | - K. Johnston
- Universität des Saarlandes, Technische Physik, Saarbrücken, Deutschland
| | - U. Wahl
- Instituto Tecnológico e Nuclear, E. N. 10, Sacavém, Portugal
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Brown LE, Mitchell G, Holden J, Folkard A, Wright N, Beharry-Borg N, Berry G, Brierley B, Chapman P, Clarke SJ, Cotton L, Dobson M, Dollar E, Fletcher M, Foster J, Hanlon A, Hildon S, Hiley P, Hillis P, Hoseason J, Johnston K, Kay P, McDonald A, Parrott A, Powell A, Slack RJ, Sleigh A, Spray C, Tapley K, Underhill R, Woulds C. Priority water research questions as determined by UK practitioners and policy makers. Sci Total Environ 2010; 409:256-266. [PMID: 21035169 DOI: 10.1016/j.scitotenv.2010.09.040] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2010] [Revised: 09/17/2010] [Accepted: 09/22/2010] [Indexed: 05/30/2023]
Abstract
Several recent studies have emphasised the need for a more integrated process in which researchers, policy makers and practitioners interact to identify research priorities. This paper discusses such a process with respect to the UK water sector, detailing how questions were developed through inter-disciplinary collaboration using online questionnaires and a stakeholder workshop. The paper details the 94 key questions arising, and provides commentary on their scale and scope. Prioritization voting divided the nine research themes into three categories: (1) extreme events (primarily flooding), valuing freshwater services, and water supply, treatment and distribution [each >150/1109 votes]; (2) freshwater pollution and integrated catchment management [100-150 votes] and; (3) freshwater biodiversity, water industry governance, understanding and managing demand and communicating water research [50-100 votes]. The biggest demand was for research to improve understanding of intervention impacts in the water environment, while a need for improved understanding of basic processes was also clearly expressed, particularly with respect to impacts of pollution and aquatic ecosystems. Questions that addressed aspects of appraisal, particularly incorporation of ecological service values into decision making, were also strongly represented. The findings revealed that sustainability has entered the lexicon of the UK water sector, but much remains to be done to embed the concept operationally, with key sustainability issues such as resilience and interaction with related key sectors, such as energy and agriculture, relatively poorly addressed. However, the exercise also revealed that a necessary condition for sustainable development, effective communication between scientists, practitioners and policy makers, already appears to be relatively well established in the UK water sector.
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Affiliation(s)
- L E Brown
- School of Geography, University of Leeds, Leeds, LS2 9JT, UK.
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O'Kane C, Chinnadurai A, Johnston K, Harley I, McCracken G. A Multicentre Review of Operative Gynaecological Laparoscopy and Associated Complications in Northern Ireland; 347 Cases. J Minim Invasive Gynecol 2010. [DOI: 10.1016/j.jmig.2010.08.389] [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: 10/19/2022]
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Craig E, Eastwood K, McCracken G, Johnston K. Laparoscopic Utero-Sacral Plication Addressing Apical Vaginal Prolapse: Nothing New! J Minim Invasive Gynecol 2010. [DOI: 10.1016/j.jmig.2010.08.519] [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: 10/19/2022]
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O'Kane C, Chinnadurai A, Johnston K. Case Report: Pelvic Congestion Syndrome – Successful Treatment of a Nulliparous Patient with Ovarian Vein Embolization. J Minim Invasive Gynecol 2010. [DOI: 10.1016/j.jmig.2010.08.463] [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: 10/19/2022]
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Craig E, Beirne J, Cromie A, Johnston K. Laparoscopic Management of a Large Cornual Ectopic Pregnancy Associated with an Adenomatoid Tumour. J Minim Invasive Gynecol 2010. [DOI: 10.1016/j.jmig.2010.08.518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Johnston K, Brunamonti E, Thomas N, Pare M. Role of LIP persistent activity in visual working memory. J Vis 2010. [DOI: 10.1167/10.7.718] [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: 11/24/2022] Open
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Heyselaar E, Johnston K, Pare M. The capacity limit of the visual working memory of the macaque monkey. J Vis 2010. [DOI: 10.1167/10.7.725] [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: 11/24/2022] Open
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50
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McCrory P, Meeuwisse W, Johnston K, Dvorak J, Aubry M, Molloy M, Cantu R. Consensus Statement on Concussion in Sport: the 3rd International Conference on Concussion in Sport held in Zurich, November 2008. Br J Sports Med 2010; 43 Suppl 1:i76-90. [PMID: 19433429 DOI: 10.1136/bjsm.2009.058248] [Citation(s) in RCA: 371] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- P McCrory
- Centre for Health, Exercise & Sports Medicine, University of Melbourne, Parkville, Australia.
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