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Fuentes V, Balcells L, Konstantinović Z, Martínez B, Pomar A. Evaluation of Sputtering Processes in Strontium Iridate Thin Films. Nanomaterials (Basel) 2024; 14:242. [PMID: 38334512 PMCID: PMC10856326 DOI: 10.3390/nano14030242] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 01/19/2024] [Accepted: 01/20/2024] [Indexed: 02/10/2024]
Abstract
The growth of epitaxial thin films from the Ruddlesden-Popper series of strontium iridates by magnetron sputtering is analyzed. It was found that, even using a non-stoichiometric target, the films formed under various conditions were consistently of the perovskite-like n = ∞ SrIrO3 phase, with no evidence of other RP series phases. A detailed inspection of the temperature-oxygen phase diagram underscored that kinetics mechanisms prevail over thermodynamics considerations. The analysis of the angular distribution of sputtered iridium and strontium species indicated clearly different spatial distribution patterns. Additionally, significant backsputtering was detected at elevated temperatures. Thus, it is assumed that the interplay between these two kinetic phenomena is at the origin of the preferential nucleation of the SrIrO3 phase. In addition, strategies for controlling cation stoichiometry off-axis have also been explored. Finally, the long-term stability of the films has been demonstrated.
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Affiliation(s)
- Víctor Fuentes
- Instituto de Ciencia de Materiales de Barcelona, ICMAB-CSIC, Campus Universitario UAB, 08193 Bellaterra, Spain; (V.F.); (L.B.); (B.M.)
| | - Lluis Balcells
- Instituto de Ciencia de Materiales de Barcelona, ICMAB-CSIC, Campus Universitario UAB, 08193 Bellaterra, Spain; (V.F.); (L.B.); (B.M.)
| | - Zorica Konstantinović
- Center for Solid State Physics and New Materials, Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
| | - Benjamín Martínez
- Instituto de Ciencia de Materiales de Barcelona, ICMAB-CSIC, Campus Universitario UAB, 08193 Bellaterra, Spain; (V.F.); (L.B.); (B.M.)
| | - Alberto Pomar
- Instituto de Ciencia de Materiales de Barcelona, ICMAB-CSIC, Campus Universitario UAB, 08193 Bellaterra, Spain; (V.F.); (L.B.); (B.M.)
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2
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Fulladosa E, Barnés-Calle C, Cruz J, Martínez B, Giró-Candanedo M, Comaposada J, Font-I-Furnols M, Gou P. Near infrared sensors for the precise characterization of salt content in canned tuna fish. Spectrochim Acta A Mol Biomol Spectrosc 2023; 303:123217. [PMID: 37544216 DOI: 10.1016/j.saa.2023.123217] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/11/2023] [Accepted: 07/27/2023] [Indexed: 08/08/2023]
Abstract
Non-invasive technologies could help to guarantee quality standards of canned tuna fish. The aim of this study was to investigate the ability of bench-top (FT-NIR) and low-cost (LC-NIR) near infrared spectrometers to determine salt content and texture in canned tuna. Salt content distribution was also investigated using hyperspectral imaging (HSI) and computed tomography. Spectra were acquired on canned tuna and reference analysis performed. Partial least squares regression and discriminant analysis were used to develop salt content predictive and texture classification models. Salt content predictive errors were 0.10%, 0.22% and 0.22% for FT-NIR, LC-NIR and HSI, respectively. Salt content was not always homogeneously distributed in the can which was attributed to the salt content differences between internal and external parts of the tuna fish. Low-cost sensors could be a suitable solution to standardise the production and enable precise nutritional labelling, but more sophisticated algorithms are needed to identify textural defects.
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Affiliation(s)
- E Fulladosa
- IRTA, Food Quality and Technology Program, Finca Camps i Armet, s/n, 17121 Monells, Girona, Spain.
| | - C Barnés-Calle
- IRTA, Food Quality and Technology Program, Finca Camps i Armet, s/n, 17121 Monells, Girona, Spain
| | - J Cruz
- Escola Universitària Salesiana de Sarrià, Passeig Sant Joan Bosco, 74, 08017 Barcelona, Spain
| | - B Martínez
- IRTA, Food Quality and Technology Program, Finca Camps i Armet, s/n, 17121 Monells, Girona, Spain
| | - M Giró-Candanedo
- IRTA, Food Quality and Technology Program, Finca Camps i Armet, s/n, 17121 Monells, Girona, Spain
| | - J Comaposada
- IRTA, Food Quality and Technology Program, Finca Camps i Armet, s/n, 17121 Monells, Girona, Spain
| | - M Font-I-Furnols
- IRTA, Food Quality and Technology Program, Finca Camps i Armet, s/n, 17121 Monells, Girona, Spain
| | - P Gou
- IRTA, Food Quality and Technology Program, Finca Camps i Armet, s/n, 17121 Monells, Girona, Spain
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3
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Ortega-Pinazo J, Pacheco-Rodríguez MJ, Serrano-Castro PJ, Martínez B, Pinto-Medel MJ, Gómez-Zumaquero JM, Lago-Sampedro A, García-Díaz B, Estivill-Torrús G, Emilio Ferro Gallego P. Comparing RNA extraction methods to face the variations in RNA quality using two human biological matrices. Mol Biol Rep 2023; 50:9263-9271. [PMID: 37812354 DOI: 10.1007/s11033-023-08761-2] [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: 12/27/2022] [Accepted: 08/16/2023] [Indexed: 10/10/2023]
Abstract
BACKGROUND Nucleic acids, RNA among them, are widely used in biomedicine and Biotechnology. Because of their susceptibility to degradation by RNases, the handling and extraction process of RNA from cells and tissues require specialized personnel and standardized methods to guarantee high purity and integrity. Due to the diversity of techniques found in the market, a comparative study between different RNA extraction methods is useful to facilitate the best choice for the researcher or in research service platforms such as biobanks to see the traceability of the samples. METHODS AND RESULTS In this study, we have compared seven different RNA extraction methods: manual (TRIzol™), semiautomated (QIAGEN™, Bio-Rad, Monarch®, and Canvax™), and fully automated (QIAcube™ and Maxwell®) processes, from two biological matrices: human Jurkat T cells and peripheral blood mononuclear cells (PBMC). Results showed marked differences in the RNA quality and functionality according to the method employed for RNA extraction and the matrix used. DISCUSSION QIAcube™ and semi-automated extraction methods were perceived as the best options because of their lower variability, good functionality, and lower cost (P < 0.001). These data contribute to facilitating researchers or research service platforms (Biobanks) in decision-making practices and emphasize the relevance of the selection of the RNA extraction method in each experimental procedure or traceability study to guarantee both quality standards and its reproducibility.
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Affiliation(s)
- J Ortega-Pinazo
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- Unidad Clínica de Neurociencias, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - M J Pacheco-Rodríguez
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- Unidad Clínica de Neurociencias, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - P J Serrano-Castro
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- Unidad Clínica de Neurociencias, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - B Martínez
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- Unidad Intercentros de Oncología Médica, Hospitales Universitarios Regional de Málaga y Virgen de la Victoria, Málaga, Spain
| | - M J Pinto-Medel
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- ECAI de Genómica, Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
| | - J M Gómez-Zumaquero
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- ECAI de Genómica, Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
| | - A Lago-Sampedro
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- ECAI de Genómica, Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
| | - B García-Díaz
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- Unidad Clínica de Neurociencias, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - Guillermo Estivill-Torrús
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain.
- Unidad Clínica de Neurociencias, Hospital Regional Universitario de Málaga, Málaga, Spain.
| | - Pedro Emilio Ferro Gallego
- Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain.
- Biobank ECAI, Instituto de Investigación Biomédica de Málaga y Plataforma de Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain.
- Unidad Clínica de Endocrinología y Nutrición, Hospital Universitario Virgen de la Victoria, Málaga, Spain.
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Puma D, Geadas C, Calderon RI, Yuen CM, Jiménez J, CÓrdova M, Martínez B, Peinado J, Lecca L, Tovar M. Active case-finding for TB among incarcerated women in Peru. Int J Tuberc Lung Dis 2023; 27:784-786. [PMID: 37749837 PMCID: PMC10519392 DOI: 10.5588/ijtld.23.0183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 06/09/2023] [Indexed: 09/27/2023] Open
Affiliation(s)
- D Puma
- Socios En Salud Sucursal Perú, Lima, Facultad de Medicina, Universidad Nacional Mayor de San Marcos, Lima, Perú
| | - C Geadas
- Facultad de Medicina, Universidad Nacional Mayor de San Marcos, Lima, Perú
| | - R I Calderon
- Socios En Salud Sucursal Perú, Lima, Grupo de InvestigaciÓn en Bioquímica y Biología Sintética, Universidad Nacional Federico Villarreal, Lima, Perú
| | - C M Yuen
- Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA, Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA
| | | | - M CÓrdova
- Instituto Nacional Penitenciario del Perú, SubdirecciÓn de Salud Penitenciaria, Lima
| | - B Martínez
- Instituto Nacional Penitenciario del Perú, SubdirecciÓn de Salud Penitenciaria, Lima
| | | | - L Lecca
- Socios En Salud Sucursal Perú, Lima, Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA
| | - M Tovar
- Socios En Salud Sucursal Perú, Lima, Escuela de Medicina, Facultad de Ciencias de la Salud, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
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Jara R, Martínez P, Rees V, Martínez B, González-Providell S. Adenomatoid odontogenic tumor associated to reactive fibro-osseous lesion: A case report. J Clin Exp Dent 2023; 15:e700-e705. [PMID: 37674601 PMCID: PMC10478197 DOI: 10.4317/jced.60184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 05/22/2023] [Indexed: 09/08/2023] Open
Abstract
An adenomatoid odontogenic tumor (AOT) is a benign epithelial lesion, being the fourth most common among all odontogenic tumors. Usually presents as slow painless growth that sometimes leads to facial asymmetry. Many cases are detected by radiographic studies, and the indication for biopsy and surgery is secondary to this finding. We report a case of a 17-year-old man with a history of left mandibular painless swelling since 4 months ago, associated with facial asymmetry and hard consistency. An imaging study showed an extensive unilocular radiolucent lesion to the basilar arch, with defined limits and with peripheral hyperdense areas located only vestibular to the lesion. The histopathology was composed of odontogenic epithelial cell proliferation, with epithelial nodular and duct-like structures, rosettes of spindled epithelial cells with eosinophilic material, calcifications, and fibro-osseous reaction. Surgical conservative excision including the affected tooth is the treatment of choice and recurrence is rare. The histologic findings of reactive fibro-osseous proliferation in AOT should be interpreted as a reactive change in the tumor capsule and not as an adnexal lesion. We present an atypical case of AOT with reactive fibro-osseous reaction. Despite clinical aggressive behavior, conservative surgical treatment could be the treatment of choice. Additionally, we emphasize the importance of histopathological examination together with the imaging study of radiolucent lesions of the maxillary bones. Key words:Adenomatoid Odontogenic Tumor, Odontogenic tumor, fibro-osseous lesion.
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Affiliation(s)
- René Jara
- DDS, MSc, Oral Pathology, Dental School, Faculty of Medicine and Health Sciences, Mayor University, Santiago, Chile
| | | | - Victoria Rees
- DDS, Post-graduate student, Oral Pathology, Dental School, Faculty of Medicine and Health Sciences, Mayor University, Santiago, Chile
| | - Benjamín Martínez
- DDS, MSc, Full professor, Oral Pathology, Dental School, Faculty of Medicine and Health Sciences, Mayor University, Santiago, Chile
| | - Sergio González-Providell
- DDS, MSc, Full professor, Oral Pathology, Dental School, Faculty of Medicine and Health Sciences, Mayor University, Santiago, Chile. Oral Pathology Department, Faculty of Dentistry, Universidad de los Andes, Santiago, Chile
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Márquez A, Mujica I, Jordan N, Baez P, Tarquinio S, Nunes J, Adorno D, Martínez B, Morales-Pison S, Fernandez-Ramires R. Genome sequencing reveals molecular subgroups in oral epithelial dysplasia. Braz Oral Res 2023; 37:e063. [PMID: 37341234 DOI: 10.1590/1807-3107bor-2023.vol37.0063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 11/21/2022] [Indexed: 06/22/2023] Open
Abstract
This study aimed to analyze the molecular characteristics of oral epithelial dysplasia (OED), highlighting the pathways and variants of genes that are frequently mutated in oral squamous cell carcinoma (OSCC) and other cancers. Ten archival OED cases were retrieved for retrospective clinicopathological analysis and exome sequencing. Comparative genomic analysis was performed between high-grade dysplasia (HGD) and low-grade dysplasia (LGD), focusing on 57 well-known cancer genes, of which 10 were previously described as the most mutated in OSCC. HGD cases had significantly more variants; however, a similar mutational landscape to OSCC was observed in both groups. CASP8+FAT1/HRAS, TP53, and miscellaneous molecular signatures were also present. FAT1 is the gene that is most affected by pathogenic variants. Hierarchical divisive clustering showed division between the two groups: "HGD-like cluster" with 4HGD and 2LGD and "LGD-like cluster" with 4 LGD. MLL4 pathogenic variants were exclusively in the "LGD-like cluster". TP53 was affected in one case of HGD; however, its pathway was usually altered. We describe new insights into the genetic basis of epithelial malignant transformation by genomic analysis, highlighting those associated with FAT1 and TP53. Some LGDs presented a similar mutational landscape to HGD after cluster analysis. Perhaps molecular alterations have not yet been reflected in histomorphology. The relative risk of malignant transformation in this molecular subgroup should be addressed in future studies.
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Affiliation(s)
| | - Isidora Mujica
- Universidad de Los Andes, Faculty of Dentistry, Santiago, Chile
| | - Natalia Jordan
- Pontificia Universidad Católica de Chile, Faculty of Science, Santiago, Chile
| | - Pablo Baez
- Universidad de Chile, Faculty of Science, Santiago, Chile
| | - Sandra Tarquinio
- Universidade Federal de Pelotas - UFPel, School of Dentistry, Pelotas, RS, Brazil
| | - Jean Nunes
- Universidade Federal da Bahia - UFBA, School of Dentistry, Salvador, BA, Brazil
| | - Daniela Adorno
- Universidad de Chile, Faculty of Dentistry, Santiago, Chile
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Bernal-Salamanca M, Herrero-Martín J, Konstantinović Z, Balcells L, Pomar A, Martínez B, Frontera C. X-ray Absorption Spectroscopy Study of Thickness Effects on the Structural and Magnetic Properties of Pr 2-δNi 1-xMn 1+xO 6-y Double Perovskite Thin Films. Nanomaterials (Basel) 2022; 12:4337. [PMID: 36500960 PMCID: PMC9741309 DOI: 10.3390/nano12234337] [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] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
In this work, we report a systematic study of the influence of film thickness on the structural and magnetic properties of epitaxial thin films of Pr2-δNi1-xMn1+xO6-y (PNMO) double perovskite grown on top of two different (001)-SrTiO3 and (001)-LaAlO3 substrates by RF magnetron sputtering. A strong dependence of the structural and magnetic properties on the film thickness is found. The ferromagnetic transition temperature (TC) and saturation magnetization (Ms) are found to decrease when reducing the film thickness. In our case, the thinnest films show a loss of ferromagnetism at the film-substrate interface. In addition, the electronic structure of some characteristic PNMO samples is deeply analyzed using X-ray absorption spectroscopy (XAS) and X-ray magnetic circular dichroism (XMCD) measurements and compared with theoretical simulations. Our results show that the oxidation states of Ni and Mn ions are stabilized as Ni2+ and Mn4+, thus the ferromagnetism is mainly due to Ni2+-O-Mn4+ superexchange interactions, even in samples with poor ferromagnetic properties. XMCD results also make evident large variations on the spin and orbital contributions to the magnetic moment as the film's thickness decreases.
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Affiliation(s)
- Mónica Bernal-Salamanca
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, 08193 Cerdanyola del Vallès, Spain
| | | | - Zorica Konstantinović
- Center for Solid State Physics and New Materials, Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
| | - Lluis Balcells
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, 08193 Cerdanyola del Vallès, Spain
| | - Alberto Pomar
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, 08193 Cerdanyola del Vallès, Spain
| | - Benjamín Martínez
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, 08193 Cerdanyola del Vallès, Spain
| | - Carlos Frontera
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, 08193 Cerdanyola del Vallès, Spain
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Solé S, Becerra S, Carvajal C, Bettolli P, Letelier H, Santini A, Vargas L, Cifuentes A, Larsen F, Jara N, Oyarzún J, Bustamante E, Martínez B, Rosenberg D, Galván T. Clinical relevance of the use of Dentoxol ® for oral mucositis induced by radiotherapy: A phase II clinical trial. World J Clin Oncol 2022; 13:813-821. [PMID: 36337310 PMCID: PMC9630999 DOI: 10.5306/wjco.v13.i10.813] [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] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 07/22/2022] [Accepted: 09/21/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Severe oral mucositis associated with cancer therapy is a frequent complication that may affect a patient's systemic condition, resulting in interruption and/or prolongation of cancer therapy. Dentoxol® is a medical solution in the form of a mouthwash that has been shown to result in statistically significant improvement in the prevention of severe oral mucositis. However, knowing the measures of the clinical significance of this therapy is important for accurate decision-making.
AIM To describe the clinical impact of Dentoxol® use in severe oral mucositis.
METHODS Clinical significance was measured using the results obtained in a randomized controlled clinical trial previously conducted by the same group of researchers. The measures of clinical significance evaluated were the absolute risk or incidence, relative risk, absolute risk reduction, relative risk reduction, number needed to treat, and odds ratio.
RESULTS The data obtained show that the impact of Dentoxol® on reducing the severity of oral mucositis has important clinical relevance.
CONCLUSION The results of this study justify the incorporation of Dentoxol® mouth rinse into clinical protocols as a complement to cancer therapy to prevent and/or treat oral mucositis secondary to radiotherapy.
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Affiliation(s)
- Sebastián Solé
- Department of Radiotherapy, Radiomedicine Institute, Américo Vespucio Norte 1314 Vitacura, 7630370, Santiago, Chile
| | - Sergio Becerra
- National Institute of Cancer, Santiago, Servicio de Salud Metropolitano Norte, Av Profesor Zañartu 1010, Independencia, 8380455, Santiago, Chile
| | - Claudia Carvajal
- National Institute of Cancer, Santiago, Servicio de Salud Metropolitano Norte, Av Profesor Zañartu 1010, Independencia, 8380455, Santiago, Chile
| | - Piero Bettolli
- Oncologic Institute Arturo López Pérez Foundation, José Manuel Infante 805, Providencia, 7500691, Santiago, Chile
| | - Hernán Letelier
- Hospital Base Valdivia, Bueras 1003 s/n XIV Región, 5100238, Valdivia, Chile
| | - Alejandro Santini
- Oncologic Center of Antofagasta, Los Pumas 10255, Antofagasta, 1267348, Antofagasta, Chile
| | - Lorena Vargas
- Department of Radiotherapy, Radiomedicine Institute, Américo Vespucio Norte 1314 Vitacura, 7630370, Santiago, Chile
| | - Alexander Cifuentes
- National Institute of Cancer, Santiago, Servicio de Salud Metropolitano Norte, Av Profesor Zañartu 1010, Independencia, 8380455, Santiago, Chile
| | - Francisco Larsen
- Department of Radiotherapy, Radiomedicine Institute, Américo Vespucio Norte 1314 Vitacura, 7630370, Santiago, Chile
| | - Natalia Jara
- Department of Radiotherapy, Radiomedicine Institute, Américo Vespucio Norte 1314 Vitacura, 7630370, Santiago, Chile
| | - Jorge Oyarzún
- Hospital Base Valdivia, Bueras 1003 s/n XIV Región, 5100238, Valdivia, Chile
| | - Eva Bustamante
- Oncologic Institute Arturo López Pérez Foundation, José Manuel Infante 805, Providencia, 7500691, Santiago, Chile
| | - Benjamín Martínez
- Universidad Mayor, Santiago, Av Libertador Bernardo O´Higgins 2013, 8340585, Santiago, Chile
| | - David Rosenberg
- Ingalfarma, Dr Manuel Barros Borgoño 71, Oficina 1308, Providencia, 7500593, Santiago, Chile
| | - Tomas Galván
- Ingalfarma, Dr Manuel Barros Borgoño 71, Oficina 1308, Providencia, 7500593, Santiago, Chile
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Díaz T, Ortega-Pinazo J, Martínez B, Jiménez A, Gómez-Zumaquero JM, Caracuel Z, Hortas ML, Ferro P. Measurement of yield and quality of DNA in human buffy coat is extraction method dependent. Prep Biochem Biotechnol 2022:1-8. [PMID: 36121058 DOI: 10.1080/10826068.2022.2119574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
During the last few years, an important element in the improvement of the molecular biology techniques has been the necessity for availability of high quality and functionality DNA. Several DNA extraction procedures with different results in both performance and quality, have been proposed. In this study our objective was to determine the most reliable extraction method that balances DNA quantity, and to assess the sample quantification of the fluorometric DNA quantification methods. For this, blood extracted by venopunction from 20 healthy volunteers was used to obtain DNA from buffy coat, and 4 commercial DNA extraction kits were assessed as well as two fluorometric DNA quantification methods with protocols of different complexity. Results suggest that manual methods achieve higher quality and larger yields of DNA. DNA purity obtained with the 4 extraction kits evaluated through the 260/280 and 260/230 ratio showed that the Qiacube kit fulfilled the criteria established in this work, followed very close by the Flexigene kit. On the other hand, the fluorometric DNA methods used in the samples quantification showed a higher variability when using QuantiFlour method, obtaining better results probably due to the simplicity of this protocol.
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Affiliation(s)
- T Díaz
- Andalusian Public Health System Biobank, Instituto de Investigación Biomédica de Málaga-IBIMA, Malaga, Spain
| | - J Ortega-Pinazo
- Neuroimmunology and Neuroinflammation Group, Instituto de Investigación Biomédica de Málaga-IBIMA, UGC Neurociencias, Hospital Regional Universitario de Málaga, Malaga, Spain
| | - B Martínez
- Andalusian Public Health System Biobank, Instituto de Investigación Biomédica de Málaga-IBIMA, Malaga, Spain
| | - A Jiménez
- Andalusian Public Health System Biobank, Instituto de Investigación Biomédica de Málaga-IBIMA, Malaga, Spain
| | - J M Gómez-Zumaquero
- Genomic ECAI, Instituto de Investigación Biomédica de Málaga-IBIMA, Malaga, Spain
| | - Z Caracuel
- Costa del Sol Sanitary Agency, Sanitary District of Málaga, Malaga, Spain
| | - M L Hortas
- Costa del Sol Sanitary Agency, Sanitary District of Málaga, Malaga, Spain
| | - P Ferro
- Andalusian Public Health System Biobank, Instituto de Investigación Biomédica de Málaga-IBIMA, Malaga, Spain.,Unidad Clínica de Endocrinología y Nutrición, Hospital Universitario Virgen de la Victoria, Málaga, Spain
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Alvear G, Santibáñez L, Sepúlveda R, Ramírez V, Martínez B. [Prescription of antibiotics in acute respiratory infections non-pneumonia in a private outpatient practice]. Rev Med Chil 2022; 150:1000-1009. [PMID: 37358147 DOI: 10.4067/s0034-98872022000801000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 04/20/2022] [Indexed: 06/27/2023]
Abstract
BACKGROUND The over prescription of antibiotics for acute respiratory infections is a major public health problem worldwide. AIM To evaluate the frequency of prescription of antibiotics for non-pneumonia acute respiratory infections in private outpatient clinics in individuals without chronic diseases or immunosuppression. MATERIAL AND METHODS All medical records of adult consultants in a national network of private ambulatory medical centers during May 2018 whose primary diagnosis corresponded to acute respiratory infections not pneumonia (ICD10) were identified and retrospectively analyzed, excluding those with chronic respiratory conditions or states of immunosuppression. RESULTS Of the 38,072 consultants (aged 36 years, 63% women) who met this criterion, 54% (n = 20,499) received a prescription for at least one antibiotic. The diagnoses that most frequently received this prescription were acute bronchitis (28.7%), acute sinusitis (16.5%) and acute tonsillitis (16.2%). The most frequently prescribed antibiotic globally was azithromycin (37.4%), followed by amoxicillin (20.1%) and amoxicillin plus clavulanic acid (17.7%). Levofloxacin prescription reached 12.5% of total prescriptions. CONCLUSIONS An antibiotic was prescribed in more than half of the non-pneumonia outpatient acute respiratory infections. Azithromycin was the most prescribed antibiotic, while levofloxacin exceeded 10% of prescriptions. These results reinforce the need to implement an antibiotic prescription surveillance system at the outpatient level.
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Bernal-Salamanca M, Balcells L, Konstantinović Z, Pomar A, Martínez B, Frontera C. Optimization of the Growth Process of Double Perovskite Pr2−δNi1−xMn1+xO6−y Epitaxial Thin Films by RF Sputtering. Materials 2022; 15:ma15145046. [PMID: 35888513 PMCID: PMC9324673 DOI: 10.3390/ma15145046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/08/2022] [Accepted: 07/18/2022] [Indexed: 11/16/2022]
Abstract
Epitaxial thin films of Pr2−δNi1−xMn1+xO6−y (PNMO) double perovskite were grown on (001)-oriented SrTiO3 substrates by RF magnetron sputtering. The influence of the growth parameters (oxygen pressure, substrate temperature, and annealing treatments) on the structural, magnetic and transport properties, and stoichiometry of the films was thoroughly investigated. It is found that high-quality epitaxial, insulating, and ferromagnetic PNMO thin films can only be obtained in a narrow deposition parameter window. It is shown that a careful selection of the growth conditions allows for obtaining a high degree of Ni/Mn cation ordering, which is reflected in the values of the Curie temperature, TC, and saturation magnetization, MS, which are very close to those of bulk material.
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Affiliation(s)
- Mónica Bernal-Salamanca
- Institut de Ciència de Materials de Barcelona, Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain; (L.B.); (A.P.); (B.M.); (C.F.)
- Correspondence:
| | - Lluis Balcells
- Institut de Ciència de Materials de Barcelona, Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain; (L.B.); (A.P.); (B.M.); (C.F.)
| | - Zorica Konstantinović
- Center for Solid State Physics and New Materials, Institute of Physics Belgrade, University of Belgrade, Pregrevica 68, 6080 Belgrade, Serbia;
| | - Alberto Pomar
- Institut de Ciència de Materials de Barcelona, Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain; (L.B.); (A.P.); (B.M.); (C.F.)
| | - Benjamín Martínez
- Institut de Ciència de Materials de Barcelona, Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain; (L.B.); (A.P.); (B.M.); (C.F.)
| | - Carlos Frontera
- Institut de Ciència de Materials de Barcelona, Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain; (L.B.); (A.P.); (B.M.); (C.F.)
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Vieira C, Guerra-Rivas C, Martínez B, Rubio B, Manso T. Effects of grape pomace supplementation on the diet of lactating ewes as compared to vitamin E on the meat shelf life of suckling lambs. Meat Sci 2021; 184:108666. [PMID: 34653801 DOI: 10.1016/j.meatsci.2021.108666] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 04/30/2021] [Revised: 08/27/2021] [Accepted: 08/30/2021] [Indexed: 02/08/2023]
Abstract
Forty-eight Churra ewes and their suckling lambs were assigned to four dietary treatments: control (CTRL), VIT-E (500 mg kg-1 TMR vitamin E), GP-5 (5% grape pomace) and GP-10 (10% grape pomace). After slaughter (11.5 kg live weight), longissimus muscle of lambs was sliced, packaged under modified atmosphere (80,20%/O 2:CO 2) and stored in retail conditions. At each sampling point (0, 3, 7, 10, 14 days), microbiological, physicochemical and sensory characteristics were analysed. Vitamin E and GP-5 were found to be effective (p < 0.05) at preventing enterobacteria growth as of day 10. After day 10, vitamin E and grape pomace in the ewe's supplementation reduced metmyoglobin (p < 0.05) lipid oxidation (p < 0.05) and sensory spoilage throughout the storage period. An effect of the grape pomace dosage was observed, with the supplementation at 5% being more effective. Therefore, we can conclude that grape pomace was just as effective as vitamin E in preventing spoilage during retail storage.
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Affiliation(s)
- C Vieira
- Estación Tecnológica de la Carne, Instituto Tecnológico Agrario de Castilla y León (ITACyL), Guijuelo, Salamanca, Spain.
| | - C Guerra-Rivas
- Escuela Universitaria Superior de Ingeniería Agraria, Universidad de Valladolid, Spain
| | - B Martínez
- Estación Tecnológica de la Carne, Instituto Tecnológico Agrario de Castilla y León (ITACyL), Guijuelo, Salamanca, Spain
| | - B Rubio
- Estación Tecnológica de la Carne, Instituto Tecnológico Agrario de Castilla y León (ITACyL), Guijuelo, Salamanca, Spain
| | - T Manso
- Escuela Universitaria Superior de Ingeniería Agraria, Universidad de Valladolid, Spain
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Ruiz VR, Grande-Ratti MF, Martínez B, Midley A, Sylvestre V, Mayer GF. In-hospital mortality associated factors in elderly patients with invasive mechanical ventilation in the emergency department. Enferm Intensiva (Engl Ed) 2021; 32:145-152. [PMID: 34340950 DOI: 10.1016/j.enfie.2020.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 08/04/2020] [Indexed: 10/20/2022]
Abstract
AIMS To identify factors associated with in-hospital mortality, to estimate the intubation rate and to describe in-hospital mortality in patients over 65 years old with invasive mechanical ventilation (IMV) in the emergency department (ED). METHODS Retrospective cohort study of patients over 65 years old, who were intubated in an ED of a high complexity hospital between 2016 and 2018. Demographic data, comorbidities, and severity scores on admission were described. Bivariate and multivariate analyses were performed with logistic regression according to mortality and possible confounders. RESULTS A total of 285 patients with a mean age of 80 years required IMV in the emergency department, for a median of 3 days, and with a mean APACHE II score of 20 points of severity. The IMV rate was .48% (95% CI .43-.54), and 55.44% (158) died. Mortality-associated factors after age and sex adjustment were stroke (OR 2.13; 95% CI 1.21-3.76), chronic kidney failure, (OR 4.,38; 95% CI 1.91-10.04), Charlson index (OR 1.19; 95% CI 1.02-1.38), APACHE II score (OR 1.07; 95% CI 1.02-1.12), and SOFA score (OR 1.14; 95% CI 1.03-1.27). DISCUSSION Our IMV rate was lower than that stated by Johnson et al. in the United States in 2018 (.59%). In-hospital mortality in our study exceeded that predicted by the APACHE II score (40%) and SOFA (33%). However it was consistent with that reported by Lieberman et al. in Israel and Esteban et al. in the United States. CONCLUSIONS Although the IMV rate was low in the ED, more than half the patients died during hospitalization. Pre-existing cerebrovascular and renal diseases and high results in the comorbidities index and severity scores on admission were independent factors associated with in-hospital mortality.
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Affiliation(s)
- V R Ruiz
- Sección de Rehabilitación y Cuidados Respiratorios del Paciente Crítico, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
| | - M F Grande-Ratti
- Área de Investigación en Medicina Interna, Servicio de Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - B Martínez
- Servicio de Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - A Midley
- Sección de Rehabilitación y Cuidados Respiratorios del Paciente Crítico, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - V Sylvestre
- Central de Emergencias del Adulto, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - G F Mayer
- Sección de Rehabilitación y Cuidados Respiratorios del Paciente Crítico, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
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14
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Bernal-Salamanca M, Konstantinović Z, Frontera C, Fuentes V, Pomar A, Balcells L, Martínez B. Formation of Nickel Oxide Nanocuboids in Ferromagnetic La 2Ni 1-xMn 1+xO 6. Nanomaterials (Basel) 2021; 11:nano11030804. [PMID: 33801091 PMCID: PMC8004081 DOI: 10.3390/nano11030804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/16/2021] [Accepted: 03/18/2021] [Indexed: 11/25/2022]
Abstract
The control of the spontaneous formation of nanostructures at the surface of thin films is of strong interest in many different fields, from catalysts to microelectronics, because surface and interfacial properties may be substantially enhanced. Here, we analyze the formation of nickel oxide nanocuboids on top of La2Ni1−xMn1+xO6 double perovskite ferromagnetic thin films, epitaxially grown on SrTiO3 (001) substrates by radio-frequency (RF) magnetron sputtering. We show that, by annealing the films at high temperature under high oxygen partial pressure, the spontaneous segregation of nanocuboids is enhanced. The evolution of the structural and magnetic properties of the films is studied as a function of the annealing treatments at different temperatures. It is shown that the formation of NiOx nanocuboids leads to a nanostructured film surface with regions of locally different electrical transport characteristics.
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Affiliation(s)
- Monica Bernal-Salamanca
- Institut de Ciència de Materials de Barcelona-Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus de Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain; (C.F.); (V.F.); (A.P.); (B.M.)
- Correspondence: (M.B.-S.); (Z.K.); (L.B.)
| | - Zorica Konstantinović
- Center for Solid State Physics and New Materials, Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
- Correspondence: (M.B.-S.); (Z.K.); (L.B.)
| | - Carlos Frontera
- Institut de Ciència de Materials de Barcelona-Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus de Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain; (C.F.); (V.F.); (A.P.); (B.M.)
| | - Víctor Fuentes
- Institut de Ciència de Materials de Barcelona-Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus de Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain; (C.F.); (V.F.); (A.P.); (B.M.)
| | - Alberto Pomar
- Institut de Ciència de Materials de Barcelona-Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus de Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain; (C.F.); (V.F.); (A.P.); (B.M.)
| | - Lluis Balcells
- Institut de Ciència de Materials de Barcelona-Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus de Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain; (C.F.); (V.F.); (A.P.); (B.M.)
- Correspondence: (M.B.-S.); (Z.K.); (L.B.)
| | - Benjamín Martínez
- Institut de Ciència de Materials de Barcelona-Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus de Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain; (C.F.); (V.F.); (A.P.); (B.M.)
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15
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Blanco A, Larrinaga AR, Neto JM, Troncoso J, Méndez G, Domínguez-Lapido P, Ovejero A, Pereira L, Mouga TM, Gaspar R, Martínez B, Lemos MFL, Olabarria C. Spotting intruders: Species distribution models for managing invasive intertidal macroalgae. J Environ Manage 2021; 281:111861. [PMID: 33422911 DOI: 10.1016/j.jenvman.2020.111861] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 12/09/2020] [Accepted: 12/14/2020] [Indexed: 06/12/2023]
Abstract
Invasive macroalgae represent one of the major threats to marine biodiversity, ecosystem functioning and structure, as well as being important drivers of ecosystem services depletion. Many such species have become well established along the west coast of the Iberian Peninsula. However, the lack of information about the distribution of the invaders and the factors determining their occurrence make bioinvasions a difficult issue to manage. Such information is key to enabling the design and implementation of effective management plans. The present study aimed to map the current probability of presence of six invasive macroalgae: Grateloupia turuturu, Asparagopsis armata, Colpomenia peregrina, Sargassum muticum, Undaria pinnatifida, and Codium fragile ssp. fragile. For this purpose, an extensive field survey was carried out along the coast of the north-western Iberian Peninsula. Species distribution models (SDMs) were then used to map the presence probability of these invasive species throughout the study region on the basis of environmental and anthropogenic predictor variables. The southern Galician rias were identified as the main hotspots of macroalgal invasion, with a high probability of occurrence for most of the species considered. Conversely, the probability of presence on the Portuguese coast was generally low. Physico-chemical variables were the most important factors for predicting the distribution of invasive macroalgae contributing between 57.27 and 85.24% to the ensemble models. However, anthropogenic factors (including size of vessels, number of shipping lines, distance from ports, population density, etc.) considerably improved the estimates of the probability of occurrence for most of the target species. This study is one of the few to include anthropogenic factors in SDMs for invasive macroalgae. The findings suggest that management actions aimed at controlling these species should strengthen control and surveillance at ports, particularly in southern Galician rias. Early detection should be of main concern for risk assessment plans on the Portuguese coast.
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Affiliation(s)
- A Blanco
- Centro de Investigación Mariña, Universidade de Vigo, EcoCost, Facultade de Ciencias do Mar, Edificio CC Experimentais, Campus de Vigo, As Lagoas, Marcosende, 36310 Vigo, Spain; Departamento de Ecoloxía e Bioloxía Animal, Universidade de Vigo, Campus As Lagoas-Marcosende, 36310 Vigo, Spain.
| | - A R Larrinaga
- eNeBaDa, Calle Ponte do Sar, 43C-1F, 15702 Santiago de Compostela, A Coruña, Spain; Grupo de Estudo do Medio Mariño (GEMM), Porto deportivo s/n, Santa Uxía de Riveira, A Coruña, Spain
| | - J M Neto
- MARE - Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, Peniche, Portugal; Marine and Environmental Sciences Centre (MARE), Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, 3000-456 Coimbra, Portugal
| | - J Troncoso
- Centro de Investigación Mariña, Universidade de Vigo, EcoCost, Facultade de Ciencias do Mar, Edificio CC Experimentais, Campus de Vigo, As Lagoas, Marcosende, 36310 Vigo, Spain; Departamento de Ecoloxía e Bioloxía Animal, Universidade de Vigo, Campus As Lagoas-Marcosende, 36310 Vigo, Spain
| | - G Méndez
- Departamento de Geociencias Mariñas e Ordenación do Territorio, Universidade de Vigo, Campus As Lagoas-Marcosende, 36310 Vigo, Spain
| | - P Domínguez-Lapido
- eNeBaDa, Calle Ponte do Sar, 43C-1F, 15702 Santiago de Compostela, A Coruña, Spain; Grupo de Estudo do Medio Mariño (GEMM), Porto deportivo s/n, Santa Uxía de Riveira, A Coruña, Spain
| | - A Ovejero
- Departamento de Geociencias Mariñas e Ordenación do Territorio, Universidade de Vigo, Campus As Lagoas-Marcosende, 36310 Vigo, Spain
| | - L Pereira
- Marine and Environmental Sciences Centre (MARE), Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, 3000-456 Coimbra, Portugal
| | - T M Mouga
- MARE - Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, Peniche, Portugal
| | - R Gaspar
- Marine and Environmental Sciences Centre (MARE), Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, 3000-456 Coimbra, Portugal
| | - B Martínez
- Biology and Geology Department, Rey Juan Carlos University, Tulipán sn, 28933 Móstoles, Spain
| | - M F L Lemos
- MARE - Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, Peniche, Portugal
| | - C Olabarria
- Centro de Investigación Mariña, Universidade de Vigo, EcoCost, Facultade de Ciencias do Mar, Edificio CC Experimentais, Campus de Vigo, As Lagoas, Marcosende, 36310 Vigo, Spain; Departamento de Ecoloxía e Bioloxía Animal, Universidade de Vigo, Campus As Lagoas-Marcosende, 36310 Vigo, Spain
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16
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Grande-Ratti MF, Torres-Gómez F, Herrera AG, Crescia S, Pollán J, Martínez B. [Acute lumbalgia frequency and treatment at a private hospital emergency plant]. Acta Ortop Mex 2020; 34:359-364. [PMID: 34020514] [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] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
INTRODUCTION Acute back pain (LA) is a considerable problem in any care setting. The Emergency Department (ED) intended to provide immediate, timely and effective care. Our objective was to estimate the prevalence and describe the usual care process. MATERIAL AND METHODS To estimate prevalence, a random sample was included of 5,333 consultations admitted in ED at hospital XX between January and December 2016. LA cases were defined according to the diagnosis at arrival. A retrospective cohort with all LA cases was used to describe complementary studies and therapeutic behaviors established in ED or within the subsequent 30 days outpatient follow-up. RESULTS LA represented 4.37% (95% CI: 3.83-4.95%) of consultations. A total of 1,096 cases of LA were included: mean age of 53.26 ± 19.85 years, 55.93% (613) female sex and few comorbidities. The median attention time was 3.28 hours and 6.20% was admitted. 70% (778) received treatment in CEA, being the most used administration routes: intravenous (61.86%), and intramuscular (20.62%). The analgesics used were: 55.38% corticosteroids, 55.02% NSAIDs, 34.85% opioids. The complementary studies requested during ED or until 30 days after discharge, were: 52.19% laboratory, 47.17% radiography, 28.38% RM, 10.77% tomography, 9.12% interventionism. CONCLUSIONS This study provides epidemiological data of LA in Argentina and demonstrates the need to promote the rational use of resources.
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Affiliation(s)
- M F Grande-Ratti
- Área de Investigación en Medicina Interna. Hospital Italiano de Buenos Aires. Argentina
| | - F Torres-Gómez
- Área de Investigación en Medicina Interna. Hospital Italiano de Buenos Aires. Argentina
| | - A G Herrera
- Hospital Italiano de Buenos Aires. Argentina
| | - S Crescia
- Servicio de Clínica Médica y Central de Emergencias de Adultos. Hospital Italiano de Buenos Aires. Argentina
| | - J Pollán
- Servicio de Clínica Médica. Hospital Italiano de Buenos Aires. Argentina
| | - B Martínez
- Servicio de Clínica Médica y Central de Emergencias de Adultos. Hospital Italiano de Buenos Aires. Argentina
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Des M, Martínez B, deCastro M, Viejo RM, Sousa MC, Gómez-Gesteira M. The impact of climate change on the geographical distribution of habitat-forming macroalgae in the Rías Baixas. Mar Environ Res 2020; 161:105074. [PMID: 33070933 DOI: 10.1016/j.marenvres.2020.105074] [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] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 06/25/2020] [Accepted: 07/04/2020] [Indexed: 06/11/2023]
Abstract
In the current scenario of climate change characterized by a generalized warming, many species are facing local extinctions in areas with conditions near their thermal tolerance threshold. At present, the southern limit of the geographical distribution of several habitat-forming algae of cold-temperate affinities is located in the Northwest Iberian Peninsula, and the Rías Baixas may be acting as contemporary refugia at the range edge. Therefore, it is necessary to analyze future changes induced by ocean warming in this area that may induce changes in macroalgae populations. The Delft3D-Flow model forced with climatic data was used to calculate July-August sea surface temperature (SST) for the present (1999-2018) and for the far future (2080-2099). Mean daily SST was used to develop and calibrate a mechanistic geographical distribution model based on the thermal survival threshold of two intertidal habitat-forming macroalgae, namely Himanthalia elongata (L.) S.F.Gray and Bifurcaria bifurcata R. Ross. Results show that H. elongata will become extinct in the Rías Baixas by the end of the century, while B. bifurcata will persist and may occupy potential free space left by the decline in H. elongata.
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Affiliation(s)
- M Des
- Environmental Physics Laboratory (EphysLab), CIM-UVIGO, Universidade de Vigo, Edificio Campus da Auga, 32004, Ourense, Spain.
| | - B Martínez
- Departamento de Biología y Geología, Universidad Rey Juan Carlos, E-28933, Móstoles, Madrid, Spain
| | - M deCastro
- Environmental Physics Laboratory (EphysLab), CIM-UVIGO, Universidade de Vigo, Edificio Campus da Auga, 32004, Ourense, Spain
| | - R M Viejo
- Departamento de Biología y Geología, Universidad Rey Juan Carlos, E-28933, Móstoles, Madrid, Spain
| | - M C Sousa
- CESAM, Physics Department, University of Aveiro, Aveiro, 3810-193, Portugal
| | - M Gómez-Gesteira
- Environmental Physics Laboratory (EphysLab), CIM-UVIGO, Universidade de Vigo, Edificio Campus da Auga, 32004, Ourense, Spain
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Wang H, Frontera C, Herrero-Martín J, Pomar A, Roura P, Martínez B, Mestres N. Aqueous Chemical Solution Deposition of Functional Double Perovskite Epitaxial Thin Films. Chemistry 2020; 26:9338-9347. [PMID: 32101347 DOI: 10.1002/chem.202000129] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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: 01/10/2020] [Indexed: 11/11/2022]
Abstract
Double perovskite structure (A2 BB'O6 ) oxides exhibit a breadth of multifunctional properties with a huge potential range of applications in fields as diverse as spintronics, magneto-optic devices, or catalysis, and most of these applications require the use of thin films and heterostructures. Chemical solution deposition techniques are appearing as a very promising methodology to achieve epitaxial oxide thin films combining high performance with high throughput and low cost. In addition, the physical properties of these materials are strongly dependent on the ordered arrangement of cations in the double perovskite structure. Thus, promoting spontaneous cationic ordering has become a relevant issue. In this work, our recent achievements by using polymer-assisted deposition (PAD) of environmentally friendly, water-based solutions for the growth of epitaxial ferromagnetic insulating double perovskite La2 CoMnO6 and La2 NiMnO6 thin films on SrTiO3 and LaAlO3 single-crystal substrates are presented. It is shown that the particular crystallization and growth process conditions of PAD (very slow rate, close to thermodynamic equilibrium conditions) promote high crystallinity and quality of the films, as well as favors spontaneous B-site cationic ordering.
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Affiliation(s)
- Hailin Wang
- Institut de Ciència de Materials de Barcelona, ICMAB, Consejo Superior de Investigaciones Científicas, CSIC, Campus de la UAB, 08193, Bellaterra, Barcelona, Spain
| | - Carlos Frontera
- Institut de Ciència de Materials de Barcelona, ICMAB, Consejo Superior de Investigaciones Científicas, CSIC, Campus de la UAB, 08193, Bellaterra, Barcelona, Spain
| | - Javier Herrero-Martín
- ALBA Synchrotron Light Source, C. de la Llum 2-26, 08920, Cerdanyola del Vallès, Spain
| | - Alberto Pomar
- Institut de Ciència de Materials de Barcelona, ICMAB, Consejo Superior de Investigaciones Científicas, CSIC, Campus de la UAB, 08193, Bellaterra, Barcelona, Spain
| | - Pere Roura
- Universitat de Girona, Campus Montilivi, Edif. PII, 17071, Girona, Catalonia, Spain
| | - Benjamín Martínez
- Institut de Ciència de Materials de Barcelona, ICMAB, Consejo Superior de Investigaciones Científicas, CSIC, Campus de la UAB, 08193, Bellaterra, Barcelona, Spain
| | - Narcis Mestres
- Institut de Ciència de Materials de Barcelona, ICMAB, Consejo Superior de Investigaciones Científicas, CSIC, Campus de la UAB, 08193, Bellaterra, Barcelona, Spain
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Martínez C, Olivares P, Martínez B, Fernández A. Characterization of patients with epithelial dysplasia and carcinoma in situ in the oral cavity, 2000 to 2014. J Oral Res 2020. [DOI: 10.17126/joralres.2020.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objetive: To characterize patients diagnosed with oral epithelial dysplasia and carcinoma in situ, according to their severity, location, age, sex and smoking habits. Materials and Methods: A descriptive study, based on 126 histopathological reports of biopsies diagnosed with mild, moderate, severe epithelial dysplasia and carcinoma in situ, with information regarding anatomical location, age and gender of the patient, recorded in the biopsy reports of the histopathology services of the Faculty of Dentistry of Andrés Bello University and Major University, between the years 2000 and 2014. The dichotomous qualitative variables were described based on percentage and age using the Shapiro-Wilk test, presenting as average and standard deviation, in the STATA 12® program (StataCorpLP, Texas, USA). Result: A similar frequency was found for men and women diagnosed with OED, 53.17% and 46.83% respectively. A mild degree of OED was the most diagnosed in both sexes. The group most affected by OED was between 50 and 69 years old (57.94%) and the most frequent anatomic location was the lateral border of the tongue (34.13%). Conclusion: Most of the analyzed cases corresponded to mild degrees of dysplasia; however, it is important to always carry out a histopathological diagnosis of the lesion, patient follow-up and education regarding risk habits.
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Martínez B, Nguidi M, Catelli L, Vullo C, Okolie V, Keshinro S, Carvalho E, Gusmão L, Simão F. Mitochondrial genetic profile of the Yoruba population from Nigeria. Forensic Science International: Genetics Supplement Series 2019. [DOI: 10.1016/j.fsigss.2019.10.185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Andrade C, Camino J, Nally M, Quirynen M, Martínez B, Pinto N. Combining autologous particulate dentin, L-PRF, and fibrinogen to create a matrix for predictable ridge preservation: a pilot clinical study. Clin Oral Investig 2019; 24:1151-1160. [PMID: 31292776 DOI: 10.1007/s00784-019-02922-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 04/29/2019] [Indexed: 01/11/2023]
Abstract
OBJECTIVES The aim of this study was to describe the histological and clinical outcome of "dentin block" (a mixture of autologous particulate dentin, leukocyte- and platelet-rich fibrin (L-PRF), and liquid fibrinogen) in alveolar ridge preservation. MATERIAL AND METHODS Ten extraction sockets were grafted with "dentin block," a mixture of particulate autologous dentin with chopped leukocyte-platelet-rich fibrin (L-PRF) membranes at a 1:1 ratio, and liquid fibrinogen as a binder. Two grafted sites were followed at 4 and 5 months, and 6 sites at 6 months. Biopsies were taken from the core of the grafted site for histologic and histo-morphometric analysis. RESULTS All patients completed the study without any adverse event. The vertical and horizontal dimensions of the alveolar ridge were preserved or even increased after 4, 5, or 6 months and remained stable after 6 months of the implant placement. The histological examination revealed a median relative percentage of bone, dentin, and connective tissue of 57.0, 0.9, and 39.3%, respectively. A comparison of samples at different time points (4, 5, and 6 months) showed a progressive increase in the proportion of bone with a decrease in the proportion of dentin. The bone was compact with normal osteocytes and moderate osteoblastic activity. In 4 out of 10 samples, no dentin was observed; in the other samples, it represented 1-5% (with geometric fragments). CONCLUSIONS Dentin block showed to be a suitable bone substitute in an alveolar ridges preservation model. CLINICAL RELEVANCE The promising results of dentin block as a bone substitute in alveolar ridge preservation could have an important clinical impact considering this biomaterial brings together the regenerative potential of three autologous products with excellent biological and clinical behavior, low risk of adverse effects, and feasible acquisition.
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Affiliation(s)
- Catherine Andrade
- Department of Periodontology and Oral Implantology, Faculty of Dentistry, School of Dentistry, Universidad de Los Andes, Monseñor Álvaro del Portillo12455, Las Condes, Santiago, Chile.
| | - Joaquin Camino
- Department of Periodontology and Oral Implantology, Faculty of Dentistry, School of Dentistry, Universidad de Los Andes, Monseñor Álvaro del Portillo12455, Las Condes, Santiago, Chile
| | - Mauricio Nally
- Department of Periodontology and Oral Implantology, Faculty of Dentistry, School of Dentistry, Universidad de Los Andes, Monseñor Álvaro del Portillo12455, Las Condes, Santiago, Chile
| | - Marc Quirynen
- Section of Periodontology, Department of Oral Health Sciences, KU Leuven & Dentistry, University Hospitals, KU Leuven, Kapucijnenvoer 7, 3000, Leuven, Belgium
| | - Benjamín Martínez
- Department of Oral Diagnosis and Oral Pathology, School of Dentistry, Universidad Mayor, Santiago, Chile
| | - Nelson Pinto
- Department of Periodontology and Oral Implantology, Faculty of Dentistry, School of Dentistry, Universidad de Los Andes, Monseñor Álvaro del Portillo12455, Las Condes, Santiago, Chile.,Section of Periodontology, Department of Oral Health Sciences, KU Leuven & Dentistry, University Hospitals, KU Leuven, Kapucijnenvoer 7, 3000, Leuven, Belgium
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Ortega-Pinazo J, Díaz T, Martínez B, Jiménez A, Pinto-Medel MJ, Ferro P. Quality assessment on the long-term cryopreservation and nucleic acids extraction processes implemented in the andalusian public biobank. Cell Tissue Bank 2019; 20:255-265. [PMID: 30903409 DOI: 10.1007/s10561-019-09764-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [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: 11/28/2018] [Accepted: 03/14/2019] [Indexed: 12/11/2022]
Abstract
Human samples are commonly collected and long-term stored in biobanks for current and future analyses. Even though techniques for freezing human blood are well established, the storage time can compromise the cell viability as well as the yield and quality of nucleic acids (RNA and DNA) extracted from them. In this study, a protocol to obtain peripheral blood mononuclear cells (PBMCs) from 70 subjects, which were stored at - 196 °C from EDTA tubes for a long-term, was assessed. In parallel; a protocol to obtain DNA from the same subjects, which were stored at - 80 °C from citrate tubes, was also studied. Samples stored from 2008 to 2012 were studied and the results obtained showed that there were no statistically significant differences in the RNA or DNA extracted in terms of purity, integrity and functionality The freezing protocol used by the Málaga Biobank shows that viable PBMCs and DNA could be kept for a period of, at least, 10 years, with a high quality and performance. Furthermore, RNA extracted from these PBMCs presents also a good quality and performance. Therefore, the samples frozen according to the conditions of the protocols assessed in this study could be optimal for biomedical research.
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Affiliation(s)
- J Ortega-Pinazo
- Neuroscience UGC, Instituto de Investigación Biomédica de Málaga (IBIMA), Sanitary Distric of Málaga, University of Málaga, Málaga, Spain
| | - T Díaz
- Andalusian Public Health System Biobank, Instituto de Investigación Biomédica de Málaga (IBIMA), Sanitary Distric of Málaga, University of Málaga, Málaga, Spain
| | - B Martínez
- Andalusian Public Health System Biobank, Instituto de Investigación Biomédica de Málaga (IBIMA), Sanitary Distric of Málaga, University of Málaga, Málaga, Spain
| | - A Jiménez
- Andalusian Public Health System Biobank, Instituto de Investigación Biomédica de Málaga (IBIMA), Sanitary Distric of Málaga, University of Málaga, Málaga, Spain
| | - M J Pinto-Medel
- Neuroscience UGC, Instituto de Investigación Biomédica de Málaga (IBIMA), Sanitary Distric of Málaga, University of Málaga, Málaga, Spain
| | - P Ferro
- Andalusian Public Health System Biobank, Instituto de Investigación Biomédica de Málaga (IBIMA), Sanitary Distric of Málaga, University of Málaga, Málaga, Spain.
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Fariña R, Moreno E, Lolas J, Silva F, Martínez B. Three-dimensional skeletal changes after early proportional condylectomy for condylar hyperplasia. Int J Oral Maxillofac Surg 2019; 48:941-951. [PMID: 30755358 DOI: 10.1016/j.ijom.2019.01.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [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: 07/13/2018] [Revised: 10/17/2018] [Accepted: 01/21/2019] [Indexed: 11/19/2022]
Abstract
The purpose of this study was to evaluate volumetric and dentoskeletal changes in 21 patients with active unilateral condylar hyperplasia (AUCH) after proportional condylectomy. A split-mouth design was used: control group healthy joints (HS, healthy side) and test group affected joints (AS, affected side) (21 per group). Cone beam tomography scans were obtained at T0 (preoperative), T1 (10days after the intervention), and T2 (approximately 12 months post-surgery). The condylar unit volume (CUV), articular cavity volume (ACV), and dentoalveolar units (DAUs) were measured. CUV showed a difference of 1.12cm3 between T0 and T1, increasing 0.4cm3 between T1 and T2 on AS. There was no difference between T0 and T2 on HS. ACV increased 0.65cm3 between T0 and T1 on AS, after which it decreased by 0.36cm3 at T2 (0.30cm3 larger than the initial articular cavity at T0). ACV showed no post-surgery differences on HS. Midline DAU showed extrusion of 0.20mm for maxilla and 0.52mm for mandible, while in the lateral area, maxilla was extruded by 0.3mm on HS and was intruded 0.12mm on AS. For the mandible, both sides showed extrusion (0.4-0.6mm). In the distal to canine and molar areas, intrusion of 0.2mm and 0.9mm, respectively, was observed on AS; there was extrusion of 0.6mm distal to the canine on HS. At the mandibular level, AS distal to the canine showed extrusion of 1mm, while intrusion of 0.2mm was observed in the molars. For HS, only extrusion at the molar level (0.2mm) was observed. In conclusion, after proportional condylectomy, a neocondyle forms within 12 months to equal the healthy contralateral side. The articular cavity, which is reduced in the initial stage, increases in size after surgery and the volume gradually approaches that of the healthy side. Dentoalveolar changes occur at the anterior and posterior levels, causing intrusion and extrusion of the interdental crests. An early proportional condylectomy as the sole surgical treatment for patients with AUCH allows normalization of the maxillomandibular relationship.
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Affiliation(s)
- R Fariña
- Department of Oral and Maxillofacial Surgery, Hospital del Salvador, Providencia, Región Metropolitana, Chile; Department of Oral and Maxillofacial Surgery, Hospital San Borja Arriarán, Santiago, Chile; Oral and Maxillofacial Surgery, Universidad de Chile, Santiago, Chile.
| | - E Moreno
- Department of Oral and Maxillofacial Surgery, Hospital del Salvador, Providencia, Región Metropolitana, Chile
| | - J Lolas
- Department of Oral and Maxillofacial Surgery, Hospital del Salvador, Providencia, Región Metropolitana, Chile
| | - F Silva
- Department of Oral and Maxillofacial Surgery, Hospital de Punta Arenas, Punta Arenas, Chile
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González R, Pintos S, Martínez C, Sardi I, Arguello J, Britez C, Caballero MJ, Bazán Y, Martínez B, Montenegro J. CLINICAL AND RADIOLOGICAL POST-SURGICAL EVALUATION OF A COMPLETE CLOSED FRACTURE CASE TO THE THIRD FEMUR FRAGMENT IN A FELINE (Felis catus domesticus) SOLVED USING STEINMANN PIN AND CERCLAGE WITH POLYAMIDE BANDS. Compend cienc vet 2018. [DOI: 10.18004/compend.cienc.vet.2018.08.02.20-25] [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: 10/27/2022] Open
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López-Picazo J, de Dios Cánovas-García J, Antúnez C, Marín J, Antequera M, Vivancos L, Martínez B, Legaz A, Navarro D, Leal M. Calidad percibida en una unidad de demencias: el portavoz del paciente como proveedor de información. Neurologia 2018; 33:570-576. [DOI: 10.1016/j.nrl.2016.08.001] [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] [Received: 07/19/2016] [Revised: 08/19/2016] [Accepted: 08/22/2016] [Indexed: 10/20/2022] Open
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López-Picazo J, de Dios Cánovas-García J, Antúnez C, Marín J, Antequera M, Vivancos L, Martínez B, Legaz A, Navarro D, Leal M. Perceived quality in a dementia unit: Patients’ caregivers as information providers. Neurología (English Edition) 2018. [DOI: 10.1016/j.nrleng.2016.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Coll-Vinent B, Martí G, Calderón S, Martínez B, Céspedes F, Fuenzalida C. [Domestic violence against women patients seen with chest pain in the emergency department]. Semergen 2018; 45:23-29. [PMID: 30268361 DOI: 10.1016/j.semerg.2018.04.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 03/17/2018] [Accepted: 04/09/2018] [Indexed: 11/18/2022]
Abstract
OBJECTIVES 1) To determine the prevalence of intimate partner violence (IPV) in patients seen in the emergency department with chest pain. 2)To analyse the possible association between IPV and presence/control of vascular risk factors (VRF), psychic manifestations of stress, delay in requesting care, care received, and prognosis. METHODS The study was conducted on 125 women, and included a targeted interview, the Partner Violence Screen (PVS) test, a 30-day follow-up telephone interview, and a one-year follow-up clinical history review. RESULTS A total of 27 patients (21.6%) had a history of IPV, which was present in 4 of them. Women with a history of IPV were younger (53.7±15.0 vs. 64.0±18.4; P=.020), had more anxiety or a depressive syndrome (57.7% vs 13.5%; P<0.001), and consulted later (35.0±65.2days vs 7.9±25.0days; P=.047). Among older women (≥65years), there was more dyslipidaemia (100% vs 60.4%; P=.039) and worse blood pressure control (good control 20% vs 78.4%; P=.007) in those with a history of IPV. There were no differences in the diagnoses, tests, length of stay, admissions or prognosis among patients with or without a history of IPV, and there were no differences according to chronology of IPV. CONCLUSIONS The current or previous existence of IPV in patients who consult for chest pain in the emergency department is high. The existence of IPV is associated with a delay in consultation and greater anxiety, and may contribute to poor control of VRF, but does not affect the prognosis in the medium term.
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Affiliation(s)
- B Coll-Vinent
- Àrea d'Urgències, Hospital Clínic, Barcelona, España; Grup de Recerca «Urgències: processos i patologies», Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, España.
| | - G Martí
- Grup de Recerca «Urgències: processos i patologies», Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, España
| | - S Calderón
- Àrea d'Urgències, Hospital Clínic, Barcelona, España
| | - B Martínez
- Àrea d'Urgències, Hospital Clínic, Barcelona, España
| | - F Céspedes
- Àrea d'Urgències, Hospital Clínic, Barcelona, España
| | - C Fuenzalida
- Àrea d'Urgències, Hospital Clínic, Barcelona, España; Grup de Recerca «Urgències: processos i patologies», Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, España
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Gallego Martínez A, Martínez B, Ghanem I, Espinosa E, Castelo B, Zamora Aunon M, Pinto Marin A, Ruiz-Giménez L, Redondo A, Feliu Batlle J. Assessment of socio-economic, physical and mental health status of long-term cancer survivors. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy300.067] [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: 11/12/2022] Open
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Genoud NW, Alonso Serena M, Díaz MH, Esteban JA, Peroni JH, Giunta DH, Grande Ratti MF, Martínez B. [Assessment of an educational intervention regarding blood cultures as process indicators in an emergency department in Argentina]. J Healthc Qual Res 2018; 33:278-283. [PMID: 30401423 DOI: 10.1016/j.jhqr.2018.05.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 05/08/2018] [Accepted: 05/10/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE The aim of this study was to describe 2 process indicators related to taking blood cultures (BC) in an Adult Emergency Department of a tertiary university hospital in Buenos Aires,and to describe the changes after a series of educational activities for health professionals was implemented during May 2016 as regards the appropriate indication of BC and the proper collection technique. MATERIALS AND METHODS A retrospective cohort study was designed to assess its effectiveness, which consecutively included all patients admitted during 2015-2016. The BC request rate was used as a process indicator, and the percentage of contaminated BCs and the true positives rate were used as quality indicators. Both were measured monthly and prospectively during the period of study. RESULTS The annual adjusted rate of BC requests was 4.9% (95% CI 4.8-5) in 2015 and 2.9% (95% CI 2.8-2.9) in 2016. The rate of false positive (contaminated) BCs was 4.5% in 2015 and 4.3% after the educational intervention. The true positive BCs were 8.3% in 2015 and 12% post-intervention. CONCLUSIONS These findings prove how important and effective the educational interventions are.
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Affiliation(s)
- N W Genoud
- Sección de Infectología, Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Central de Emergencias de Adultos, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Alonso Serena
- Área de Investigación en Medicina Interna, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
| | - M H Díaz
- Central de Emergencias de Adultos, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - J A Esteban
- Central de Emergencias de Adultos, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - J H Peroni
- Central de Emergencias de Adultos, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Sección de Neumonología, Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - D H Giunta
- Área de Investigación en Medicina Interna, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Departamento de Investigación, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M F Grande Ratti
- Área de Investigación en Medicina Interna, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Servicio de Medicina Familiar y Comunitaria, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Área Epidemiológica, Dirección de Promoción de la Salud y Control de Enfermedades no Transmisibles, Ministerio de Salud de la Nación, Buenos Aires, Argentina
| | - B Martínez
- Central de Emergencias de Adultos, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
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Coronel J, Martínez B, Robledo N, Villalba P. ECONOMIC EVALUATION OF INTENSIVE FATTENING OF BOVINE IN A LIVESTOCK ESTABLISHMENT OF THE DISTRICT OF TACUATI, DEPARTMENT OF SAN PEDRO, REPUBLIC OF PARAGUAY. Compend cienc vet 2017. [DOI: 10.18004/compend.cienc.vet.2017.07.02.28-33] [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: 10/28/2022] Open
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Colman G, Abente A, Cristaldo L, Martínez B. SEROPREVALENCE OF CANINE BRUCELLOSIS (Brucella canis) IN CONCEPCION CITY - PARAGUAY. Compend cienc vet 2017. [DOI: 10.18004/compend.cienc.vet.2017.07.01.41-45] [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] Open
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Balcells L, Martínez-Boubeta C, Cisneros-Fernández J, Simeonidis K, Bozzo B, Oró-Sole J, Bagués N, Arbiol J, Mestres N, Martínez B. One-Step Route to Iron Oxide Hollow Nanocuboids by Cluster Condensation: Implementation in Water Remediation Technology. ACS Appl Mater Interfaces 2016; 8:28599-28606. [PMID: 27700020 DOI: 10.1021/acsami.6b08709] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The fabrication procedure of hollow iron oxide nanoparticles with a large surface to volume ratio by a single-step gas condensation process at ambient temperature is presented. Fe clusters formed during the sputtering process are progressively transformed into hollow cuboids with oxide shells by the Kirkendall mechanism at the expense of oxygen captured inside the deposition chamber. TEM and Raman spectroscopy techniques point to magnetite as the main component of the nanocuboids; however, the magnetic behavior exhibited by the samples suggests the presence of FeO as well. In addition, these particles showed strong stability after several months of exposure to ambient conditions, making them of potential interest in diverse technological applications. In particular, these hierarchical hollow particles turned out to be very efficient for both As(III) and As(V) absorption (326 and 190 mg/g, respectively), thus making them of strong interest for drinking water remediation.
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Affiliation(s)
- Lluís Balcells
- Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC) , 08193 Bellaterra, Spain
| | | | | | | | - Bernat Bozzo
- Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC) , 08193 Bellaterra, Spain
| | - Judith Oró-Sole
- Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC) , 08193 Bellaterra, Spain
| | - Núria Bagués
- Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC) , 08193 Bellaterra, Spain
| | - Jordi Arbiol
- Institució Catalana de Recerca i Estudia Avançats (ICREA) , 08093 Barcelona, Spain
| | - Narcís Mestres
- Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC) , 08193 Bellaterra, Spain
| | - Benjamín Martínez
- Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC) , 08193 Bellaterra, Spain
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Galceran R, Fina I, Cisneros-Fernández J, Bozzo B, Frontera C, López-Mir L, Deniz H, Park KW, Park BG, Balcells L, Martí X, Jungwirth T, Martínez B. Isothermal anisotropic magnetoresistance in antiferromagnetic metallic IrMn. Sci Rep 2016; 6:35471. [PMID: 27762278 PMCID: PMC5071853 DOI: 10.1038/srep35471] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 09/28/2016] [Indexed: 11/09/2022] Open
Abstract
Antiferromagnetic spintronics is an emerging field; antiferromagnets can improve the functionalities of ferromagnets with higher response times, and having the information shielded against external magnetic field. Moreover, a large list of aniferromagnetic semiconductors and metals with Néel temperatures above room temperature exists. In the present manuscript, we persevere in the quest for the limits of how large can anisotropic magnetoresistance be in antiferromagnetic materials with very large spin-orbit coupling. We selected IrMn as a prime example of first-class moment (Mn) and spin-orbit (Ir) combination. Isothermal magnetotransport measurements in an antiferromagnetic-metal(IrMn)/ferromagnetic-insulator thin film bilayer have been performed. The metal/insulator structure with magnetic coupling between both layers allows the measurement of the modulation of the transport properties exclusively in the antiferromagnetic layer. Anisotropic magnetoresistance as large as 0.15% has been found, which is much larger than that for a bare IrMn layer. Interestingly, it has been observed that anisotropic magnetoresistance is strongly influenced by the field cooling conditions, signaling the dependence of the found response on the formation of domains at the magnetic ordering temperature.
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Affiliation(s)
- R Galceran
- Institut de Ciència de Materials de Barcelona (CSIC), Campus de Bellaterra, 08193 Bellaterra, Spain.,Unité Mixte de Physique, CNRS, Thales, Université Paris-Sud, Université Paris-Saclay, Palaiseau 91767, France
| | - I Fina
- Institut de Ciència de Materials de Barcelona (CSIC), Campus de Bellaterra, 08193 Bellaterra, Spain.,Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
| | - J Cisneros-Fernández
- Institut de Ciència de Materials de Barcelona (CSIC), Campus de Bellaterra, 08193 Bellaterra, Spain
| | - B Bozzo
- Institut de Ciència de Materials de Barcelona (CSIC), Campus de Bellaterra, 08193 Bellaterra, Spain
| | - C Frontera
- Institut de Ciència de Materials de Barcelona (CSIC), Campus de Bellaterra, 08193 Bellaterra, Spain
| | - L López-Mir
- Institut de Ciència de Materials de Barcelona (CSIC), Campus de Bellaterra, 08193 Bellaterra, Spain
| | - H Deniz
- Max Planck Institute of Microstructure Physics, Weinberg 2, D-06120 Halle (Saale), Germany
| | - K-W Park
- Department of Materials Science and Engineering, KAIST, Daejeon 305-701, Republic of Korea
| | - B-G Park
- Department of Materials Science and Engineering, KAIST, Daejeon 305-701, Republic of Korea
| | - Ll Balcells
- Institut de Ciència de Materials de Barcelona (CSIC), Campus de Bellaterra, 08193 Bellaterra, Spain
| | - X Martí
- Institute of Physics, Academy of Sciences of the Czech Republic, v.v.i., CZ-16253 Praha 6, Czech Republic
| | - T Jungwirth
- Institute of Physics, Academy of Sciences of the Czech Republic, v.v.i., CZ-16253 Praha 6, Czech Republic.,School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - B Martínez
- Institut de Ciència de Materials de Barcelona (CSIC), Campus de Bellaterra, 08193 Bellaterra, Spain
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Santiso J, Roqueta J, Bagués N, Frontera C, Konstantinovic Z, Lu Q, Yildiz B, Martínez B, Pomar A, Balcells L, Sandiumenge F. Self-Arranged Misfit Dislocation Network Formation upon Strain Release in La0.7Sr0.3MnO3/LaAlO3(100) Epitaxial Films under Compressive Strain. ACS Appl Mater Interfaces 2016; 8:16823-32. [PMID: 27280493 DOI: 10.1021/acsami.6b02896] [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] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Lattice-mismatched epitaxial films of La0.7Sr0.3MnO3 (LSMO) on LaAlO3 (001) substrates develop a crossed pattern of misfit dislocations above a critical thickness of 2.5 nm. Upon film thickness increases, the dislocation density progressively increases, and the dislocation spacing distribution becomes narrower. At a film thickness of 7.0 nm, the misfit dislocation density is close to the saturation for full relaxation. The misfit dislocation arrangement produces a 2D lateral periodic structure modulation (Λ ≈ 16 nm) alternating two differentiated phases: one phase fully coherent with the substrate and a fully relaxed phase. This modulation is confined to the interface region between film and substrate. This phase separation is clearly identified by X-ray diffraction and further proven in the macroscopic resistivity measurements as a combination of two transition temperatures (with low and high Tc). Films thicker than 7.0 nm show progressive relaxation, and their macroscopic resistivity becomes similar than that of the bulk material. Therefore, this study identifies the growth conditions and thickness ranges that facilitate the formation of laterally modulated nanocomposites with functional properties notably different from those of fully coherent or fully relaxed material.
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Affiliation(s)
- José Santiso
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and the Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Jaume Roqueta
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and the Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Núria Bagués
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and the Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, Barcelona 08193, Spain
- Materials Science Institute of Barcelona (ICMAB), CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Carlos Frontera
- Materials Science Institute of Barcelona (ICMAB), CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Zorica Konstantinovic
- Center for Solid State Physics and New Materials, Institute of Physics Belgrade, University of Belgrade , Pregrevica 118, 11080 Belgrade, Serbia
| | - Qiyang Lu
- Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, United States
| | - Bilge Yildiz
- Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, United States
| | - Benjamín Martínez
- Materials Science Institute of Barcelona (ICMAB), CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Alberto Pomar
- Materials Science Institute of Barcelona (ICMAB), CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Lluis Balcells
- Materials Science Institute of Barcelona (ICMAB), CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Felip Sandiumenge
- Materials Science Institute of Barcelona (ICMAB), CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
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Martínez C, Hernández M, Martínez B, Adorno D. Frecuencia de displasia epitelial y carcinoma escamoso en mucosa oral y orofaríngea en Chile, entre los años 1990 y 2009. Rev Med Chil 2016; 144:169-74. [DOI: 10.4067/s0034-98872016000200004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 11/05/2015] [Indexed: 11/17/2022]
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Martínez B, Rubio B, Viera C, Linares MB, Egea M, Panella-Riera N, Garrido MD. Evaluation of different strategies to mask boar taint in cooked sausage. Meat Sci 2016; 116:26-33. [PMID: 26844925 DOI: 10.1016/j.meatsci.2016.01.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [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: 07/17/2015] [Revised: 01/18/2016] [Accepted: 01/19/2016] [Indexed: 10/22/2022]
Abstract
The use of smoking and/or spices was evaluated for their ability to mask boar taint in frankfurters manufactured from entire pigs with high levels of androstenone. Five frankfurter types were considered: control, smoked, flavouring+smoked, spicy and spicy+smoked. A trained panel in androstenone perception carried out a sensory profile on the different sausages. The highest scores for androstenone perception (odour, flavour and aftertaste) were found in frankfurters that included no masking strategy which indicated the effectiveness of the evaluated strategies. Regarding masking strategies, the contribution of spices and smoking to sensory perception of frankfurters was detected by the panellists. Smoking was the best strategy to mask androstenone odour, while the use of spices masked androstenone odour to a greater extent than androstenone flavour. Only the combined use of spices and smoking was able to eliminate the perception of androstenone. The application of this strategy in frankfurters could be an alternative in the commercialization of entire pigs.
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Affiliation(s)
- B Martínez
- Estación Tecnológica de la Carne, Subdirección de Investigación y Tecnología, Instituto Tecnológico Agrario, Consejería de Agricultura y Ganadería, Junta de Castilla y León, Guijuelo, Avda Filiberto Villalobos, n 5, 37770 Salamanca, Spain.
| | - B Rubio
- Estación Tecnológica de la Carne, Subdirección de Investigación y Tecnología, Instituto Tecnológico Agrario, Consejería de Agricultura y Ganadería, Junta de Castilla y León, Guijuelo, Avda Filiberto Villalobos, n 5, 37770 Salamanca, Spain
| | - C Viera
- Estación Tecnológica de la Carne, Subdirección de Investigación y Tecnología, Instituto Tecnológico Agrario, Consejería de Agricultura y Ganadería, Junta de Castilla y León, Guijuelo, Avda Filiberto Villalobos, n 5, 37770 Salamanca, Spain
| | - M B Linares
- Dpto. Tecnología de los Alimentos, Facultad de Veterinaria, Universidad de Murcia, Campus de Espinardo s/n 30100, Murcia, Spain
| | - M Egea
- Dpto. Tecnología de los Alimentos, Facultad de Veterinaria, Universidad de Murcia, Campus de Espinardo s/n 30100, Murcia, Spain
| | - N Panella-Riera
- IRTA-Monells, Product Quality Program, Finca Camps i Armet, E-17121 Monells, Girona, Spain
| | - M D Garrido
- Dpto. Tecnología de los Alimentos, Facultad de Veterinaria, Universidad de Murcia, Campus de Espinardo s/n 30100, Murcia, Spain
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Martínez B, Builes J, Aguirre D, Mendoza L, Afanador C, Meza C, Marrugo J. Ancestry background of a population sample from Bolivar Department, Colombia. Forensic Science International: Genetics Supplement Series 2015. [DOI: 10.1016/j.fsigss.2015.09.068] [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: 11/30/2022]
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Fariña R, Campos P, Beytía J, Martínez B. Reconstruction of Temporomandibular Joint With a Fibula Free Flap: A Case Report With a Histological Study. J Oral Maxillofac Surg 2015; 73:2449.e1-5. [DOI: 10.1016/j.joms.2015.08.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 08/08/2015] [Accepted: 08/08/2015] [Indexed: 11/29/2022]
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Borrisser-Pairó F, Panella-Riera N, Zammerini D, Olivares A, Garrido MD, Martínez B, Gil M, García-Regueiro JA, Oliver MA. Prevalence of boar taint in commercial pigs from Spanish farms. Meat Sci 2015; 111:177-82. [PMID: 26468980 DOI: 10.1016/j.meatsci.2015.10.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [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: 06/15/2015] [Revised: 09/29/2015] [Accepted: 10/04/2015] [Indexed: 10/22/2022]
Abstract
The presence of boar taint can affect the sensory quality of pork because the "off" odours and flavours can be detected by consumers. The aim of this study was to determine the prevalence of boar taint in pig carcasses from 30 Spanish farms located in different regions of the country. Hot carcass weight and subcutaneous fat thickness means were 79.4±8.19 kg and 18.4±5.09 mm, respectively. Subcutaneous fat samples were classified into different levels according to androstenone and skatole concentrations in adipose tissue measured using GC-MS and HPLC. Androstenone results were: 87.4% of the carcasses below 0.50 μg/g, 7.1% from 0.50 to 1.00 μg/g (medium level), and 5.5% ≥1.00 μg/g (high level). Skatole results were: 88.9% of the carcasses below 0.10 μg/g, 4.5% from 0.10 to 0.20 μg/g (medium level), and 6.6% ≥0.20 μg/g (high level). Given these results, a future online method to classify carcasses according to boar taint is strongly recommended.
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Affiliation(s)
- F Borrisser-Pairó
- IRTA-Monells, Product Quality Program, Finca Camps i Armet, E-17121 Monells, Girona, Spain.
| | - N Panella-Riera
- IRTA-Monells, Product Quality Program, Finca Camps i Armet, E-17121 Monells, Girona, Spain
| | - D Zammerini
- IRTA-Monells, Product Quality Program, Finca Camps i Armet, E-17121 Monells, Girona, Spain
| | - A Olivares
- Universidad Complutense de Madrid, Facultad de Veterinaria, Avda. Puerta de Hierro, 28040 Madrid, Spain
| | - M D Garrido
- Universidad de Murcia, Facultad de Veterinaria, Campus de Espinardo, 30100 Murcia, Spain
| | - B Martínez
- Estación Tecnológica de la Carne, Instituto Tecnológico Agrario, Consejería de Agricultura y Ganadería, Junta de Castilla y León, 37770 Guijuelo, Salamanca, Spain
| | - M Gil
- IRTA-Monells, Product Quality Program, Finca Camps i Armet, E-17121 Monells, Girona, Spain
| | - J A García-Regueiro
- IRTA-Monells, Product Quality Program, Finca Camps i Armet, E-17121 Monells, Girona, Spain
| | - M A Oliver
- IRTA-Monells, Product Quality Program, Finca Camps i Armet, E-17121 Monells, Girona, Spain
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Milioni C, Martínez B, Degl’Innocenti S, Turchi B, Fratini F, Cerri D, Fischetti R. A novel bacteriocin produced by Lactobacillus plantarum LpU4 as a valuable candidate for biopreservation in artisanal raw milk cheese. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s13594-015-0230-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Diaz A, del Romero J, Rodriguez C, Alastrue I, Belda J, Bru FJ, Cámara MM, Junquera ML, Sanz I, Viloria LJ, Gil L, Martínez E, Gual F, Landa MC, Pueyo I, Ureña JM, Martínez B, Varela JA, Polo A, Azpiri MA, Diez M. Effects of region of birth, educational level and age on late presentation among men who have sex with men newly diagnosed with HIV in a network of STI/HIV counselling and testing clinics in Spain. ACTA ACUST UNITED AC 2015; 20. [PMID: 25884148 DOI: 10.2807/1560-7917.es2015.20.14.21088] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
This paper analyses late presentation (LP) of HIV infection, and its determinants, among men who have sex with men (MSM) in Spain, newly diagnosed with HIV (2003-2011) in 15 sexually transmitted infection/HIV counselling and testing clinics. LP was defined as <350 CD4 cells/µL or AIDS. In total, 3,081 MSM were included (2,499 having CD4/AIDS); overall LP was 25.3%. LP was higher in men older than 34 years, those not previously HIV-tested (adjusted odds ratio (aOR):3.1; 95% confidence intervals (CI):2.3-4.2) , and those tested > 12 months before diagnosis (12-24 months (aOR:1.4; 95% CI:1.0-2.0); > 24 months (aOR:2.2; 95% CI:1.7-3.0)). LP was less likely in MSM reporting a known HIV-infected partner as infection source or symptoms compatible with acute retroviral syndrome. 'Region of birth' interacted with 'educational level' and 'steady partner as infection source': only African and Latin-American MSM with low educational level were more likely to present late; Latin-American men attributing their infection to steady partner, but no other MSM, had LP more frequently. In Spain, HIV testing among MSM should be promoted, especially those > 34 years old and migrants with low educational level. The current recommendation that MSM be tested at least once a year is appropriate.
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Affiliation(s)
- A Diaz
- area de Vigilancia del VIH y comportamientos de riesgo, Centro Nacional de Epidemiologia, Instituto de Salud Carlos III, Madrid, Spain
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Martínez C, Martínez B, Meneses M. Remission of peripheral T cell lymphoma following a graviola diet. Oral Surg Oral Med Oral Pathol Oral Radiol 2014. [DOI: 10.1016/j.oooo.2014.05.076] [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: 11/29/2022]
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Salgado-Ruiz TB, Rodríguez A, Gutiérrez D, Martínez B, García P, Espinoza-Ortega A, Martínez-Campos AR, Lagunas-Bernabé S, Vicente F, Arriaga-Jordán CM. Molecular characterization and antimicrobial susceptibility of Staphylococcus aureus from small-scale dairy systems in the highlands of Central México. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s13594-014-0195-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Venegas O, Jaramillo L, Nicola M, Covarrubias N, Martínez B, Olivos B. Pleomorphic adenoma of the palate: Two cases report and literature review. Joralres 2014. [DOI: 10.17126/joralres.2014.012] [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: 11/17/2022] Open
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Valencia S, Peña L, Konstantinovic Z, Balcells L, Galceran R, Schmitz D, Sandiumenge F, Casanove M, Martínez B. Intrinsic antiferromagnetic/insulating phase at manganite surfaces and interfaces. J Phys Condens Matter 2014; 26:166001. [PMID: 24691398 DOI: 10.1088/0953-8984/26/16/166001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this work we investigate interfacial effects in bilayer systems integrated by La(2/3)Sr(1/3)MnO(3) (LSMO) thin films and different capping layers by means of surface-sensitive synchrotron radiation techniques and transport measurements. Our data reveal a complex scenario with a capping-dependent variation of the Mn oxidation state by the interface. However, irrespective of the capping material, an antiferromagnetic/insulating phase is also detected at the interface, which is likely to originate from a preferential occupancy of Mn 3d 3z(2)-r(2) e(g) orbitals. This phase, which extends approximately to two unit cells, is also observed in uncapped LSMO reference samples, thus pointing to an intrinsic interfacial phase separation phenomenon, probably promoted by the structural disruption and inversion symmetry breaking at the LSMO free surface/interface. These experimental observations strongly suggest that the structural disruption, with its intrinsic inversion symmetry breaking at the LSMO interfaces, plays a major role in the observed depressed magnetotransport properties in manganite-based magnetic tunneling junctions and explains the origin of the so-called dead layer.
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Affiliation(s)
- S Valencia
- Helmholtz-Zentrum-Berlin, Albert-Einstein-Str. 15, 12489 Berlin, Germany
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Villa-Morales M, Cobos MA, González-Gugel E, Álvarez-Iglesias V, Martínez B, Piris MA, Carracedo A, Benítez J, Fernández-Piqueras J. FAS system deregulation in T-cell lymphoblastic lymphoma. Cell Death Dis 2014; 5:e1110. [PMID: 24603338 PMCID: PMC3973220 DOI: 10.1038/cddis.2014.83] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [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: 10/16/2013] [Revised: 01/17/2014] [Accepted: 02/04/2014] [Indexed: 11/09/2022]
Abstract
The acquisition of resistance towards FAS-mediated apoptosis may be required for tumor formation. Tumors from various histological origins exhibit FAS mutations, the most frequent being hematological malignancies. However, data regarding FAS mutations or FAS signaling alterations are still lacking in precursor T-cell lymphoblastic lymphomas (T-LBLs). The available data on acute lymphoblastic leukemia, of precursor origin as well, indicate a low frequency of FAS mutations but often report a serious reduction in FAS-mediated apoptosis as well as chemoresistance, thus suggesting the occurrence of mechanisms able to deregulate the FAS signaling pathway, different from FAS mutation. Our aim at this study was to determine whether FAS-mediated apoptotic signaling is compromised in human T-LBL samples and the mechanisms involved. This study on 26 T-LBL samples confirms that the FAS system is impaired to a wide extent in these tumors, with 57.7% of the cases presenting any alteration of the pathway. A variety of mechanisms seems to be involved in such alteration, in order of frequency the downregulation of FAS, the deregulation of other members of the pathway and the occurrence of mutations at FAS. Considering these results together, it seems plausible to think of a cumulative effect of several alterations in each T-LBL, which in turn may result in FAS/FASLG system deregulation. Since defective FAS signaling may render the T-LBL tumor cells resistant to apoptotic cell death, the correct prognosis, diagnosis and thus the success of anticancer therapy may require such an in-depth knowledge of the complete scenario of FAS-signaling alterations.
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Affiliation(s)
- M Villa-Morales
- 1] Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Madrid, Spain [2] Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain [3] Instituto de Investigación Sanitario Fundación Jiménez Díaz, ISCIII, Madrid, Spain
| | - M A Cobos
- 1] Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Madrid, Spain [2] Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain [3] Instituto de Investigación Sanitario Fundación Jiménez Díaz, ISCIII, Madrid, Spain
| | - E González-Gugel
- Musculoskeletal Research Center, NYU Hospital for Joint Diseases, New York, NY, USA
| | - V Álvarez-Iglesias
- Grupo de Medicina Xenómica, CIBERER, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - B Martínez
- 1] Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain [2] Instituto de Investigación de Enfermedades Raras, ISCIII, Madrid, Spain
| | - M A Piris
- Hospital Universitario Marqués de Valdecilla, Fundación IFIMAV, Santander, Spain
| | - A Carracedo
- 1] Grupo de Medicina Xenómica, CIBERER, Universidade de Santiago de Compostela, Santiago de Compostela, Spain [2] Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, KSA
| | - J Benítez
- 1] Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain [2] Human Genetics Group, CNIO, Madrid, Spain
| | - J Fernández-Piqueras
- 1] Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Madrid, Spain [2] Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain [3] Instituto de Investigación Sanitario Fundación Jiménez Díaz, ISCIII, Madrid, Spain
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Abstract
BACKGROUND Periodontitis and type 2 diabetes mellitus (T2DM) are major health problems, especially in low-income populations with little access to dental care. Low-cost models for treatment of periodontal disease have not been tested in controlled studies in low-income populations. Dental prophylaxis, which includes removal of supragingival calculus and plaque, has been shown to arrest the progression of periodontitis. A controlled clinical trial was conducted to determine the effect of dental prophylaxis on periodontitis in T2DM. METHODS Twenty-six patients with T2DM and chronic periodontitis (CP) and 26 without T2DM with CP were selected. Periodontal probing depth (PD), gingival bleeding on probing (BOP), clinical attachment level (CAL), and surfaces with plaque were recorded at baseline and 3, 6, and 9 months after initial treatment. All the participants received instructions on oral hygiene and one session of dental prophylaxis at baseline and every 3 months. Glycated hemoglobin (HbA1c) levels were measured at baseline and every 3 months in patients with T2DM. RESULTS A significant improvement of PD, BOP, and sites with plaque was observed 3 months after treatment in patients with T2DM (P = 0.001). In controls, mean PD significantly improved after 6 months compared with baseline (P = 0.001). No significant improvement of CAL occurred in either group. No significant differences in periodontal parameters between the groups were detected, and no participant showed progression of CP during the 9-month study period. Dental prophylaxis did not influence HbA1c levels, and no association among HbA1c concentration, pretreatment metabolic status, and severity of CP was found. CONCLUSION Routine prophylaxes every 3 months significantly improve periodontal health and prevent progression of CP in both poorly controlled and well-controlled patients with T2DM.
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Affiliation(s)
- Néstor J López
- Currently, Department of Research and Postgraduate Studies, Faculty of Dentistry, University Andrés Bello, Santiago, Chile; previously, Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
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Varón M, Ojea-Jimenez I, Arbiol J, Balcells L, Martínez B, Puntes VF. Spontaneous formation of hollow cobalt oxide nanoparticles by the Kirkendall effect at room temperature at the water-air interface. Nanoscale 2013; 5:2429-2436. [PMID: 23399978 DOI: 10.1039/c2nr32657d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [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
We observe the spontaneous formation of hollow cobalt oxide nanoparticles at room temperature, indicating an enhancement of the solid-state diffusion at the nanoscale. Single crystal cobalt nanoparticles covered by a hydrophobic organic layer were transformed spontaneously into CoO hollow nanoparticles when deposited on the water-air interface in a matter of a few hours. The presence of water modifies the reactivity on the nanoparticle surface favoring the formation of the hollow structure; otherwise Co-CoO core-shell nanoparticles are obtained. The CoO hollow nanoparticles are formed only in an intermediate state, and after a period of time these structures finally undergo disintegration to form minor CoO entities.
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Affiliation(s)
- Miriam Varón
- Catalan Institute of Nanotechnology-ICN, Campus de la UAB, Edifici Q-ETSE, 08193 Bellaterra, Barcelona, Spain
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Sandiumenge F, Santiso J, Balcells L, Konstantinovic Z, Roqueta J, Pomar A, Espinós JP, Martínez B. Competing misfit relaxation mechanisms in epitaxial correlated oxides. Phys Rev Lett 2013; 110:107206. [PMID: 23521293 DOI: 10.1103/physrevlett.110.107206] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 12/22/2012] [Indexed: 06/01/2023]
Abstract
Strain engineering of functional properties in epitaxial thin films of strongly correlated oxides exhibiting octahedral-framework structures is hindered by the lack of adequate misfit relaxation models. Here we present unreported experimental evidence of a four-stage hierarchical development of octahedral-framework perturbations resulting from a progressive imbalance between electronic, elastic, and octahedral tilting energies in La(0.7)Sr(0.3)MnO(3) epitaxial thin films grown on SrTiO(3) substrates. Electronic softening of the Mn-O bonds near the substrate leads to the formation of an interfacial layer clamped to the substrate with strongly degraded magnetotransport properties, i.e., the so-called dead layer, while rigid octahedral tilts become relevant at advanced growth stages without significant effects on charge transport and magnetic ordering.
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Affiliation(s)
- Felip Sandiumenge
- Institut de Ciència de Materials de Barcelona, CSIC, Campus de la Universitat Autònoma de Barcelona, E-08193 Bellaterra, Catalonia, Spain.
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Velasco I, Aguilar L, Pastrian J, Mebus C, Martínez B. Gingival Metastasis from a Testicular Choriocarcinoma: An Unusual Case Report and Review of the Literature. INT J MORPHOL 2013. [DOI: 10.4067/s0717-95022013000100023] [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: 11/17/2022]
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