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467 results on '"Mayans, J."'

15. P2.08-05 Lung Cancer Patients’ Willingness to Attend a Screening Appointment or Lung Health Check: Insights from a Global Patient Experience Survey

Author

Fenemore, J., primary, Boerckel, W., additional, Rigney, M., additional, McNamara, A., additional, Gaspar, B., additional, Mayans, J., additional, Hennink, M., additional, Fox, J., additional, Pretorius, L., additional, Daniels, M., additional, Winstone, S., additional, and Thakrar, R., additional

Published
2022
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21. Main substance of consumption of patients in follow-up in the hospital consultation. Have there been changes in the current pandemic context? And what about women?

Author

Pérez Oms, A., primary, Dinamarca, F., additional, Casanovas, F., additional, Llimona Sánchez, C., additional, García Hernández, D., additional, Calls Samora, M., additional, Ginés, J.M., additional, Mayans, J., additional, Pérez-Solà, V., additional, Fonseca, F., additional, and Torrens, M., additional

Published
2022
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22. Mobile versus fixed automated external defibrillators (AED deployment in a geographically dispersed population: analysis of the girona territori cardioprotegit project

Author

Llongueras Espi, P, primary, Pons Monne, M, additional, Salvans Cirera, M, additional, Graterol Torres, F, additional, Singh, M, additional, Ramos Polo, R, additional, Vinas Fernandez, D, additional, Kassem Perez, H, additional, Pascual Mayans, J, additional, Badosa Gali, E, additional, Nunez Torras, M, additional, Aboal Vinas, J, additional, Loma-Osorio Ricon, P, additional, and Brugada Tarradellas, R, additional

Published
2021
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32. A randomized multicentric study comparing alternating combination chemotherapy (VCMP/VBAP) and melphalan-prednisone in multiple myeloma

Author

Bladé, J., San Miguel, J., Alcalá, A., Maldonado, J., García-Conde, J., Moro, M. J., Sanz Sanz, M. A., Alonso, C., Zubizarreta, A., Besses, C., Hernández Martín, J. M., Besalduch, J., Hernández Nieto, L., Fernández Calvo, J., Rubio, D., Mayans, J. R., Sanchis, J., Jimenez Galindo, R., Tortosa, J., Ortega, F., Domingo, A., Faura, M. V., Daniels, M., Rozman, C., and Estapé, J.

Published
1990
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34. Mononuclear Lanthanide(III)-Salicylideneaniline Complexes: Synthetic, Structural, Spectroscopic, and Magnetic Studies

Author

Mylonas-Margaritis I., Maniaki D., Mayans J., Ciammaruchi L., Bekiari V., Raptopoulou C.P., Psycharis V., Christodoulou S., Escuer A., and Perlepes S.P.

Subjects
near-IR emission, photoluminescence studies, lanthanide(III)-salicylideneaniline complexes, single-crystal X-ray crystallography, single-ion lanthanide(III) magnets
Abstract

The reactions of hydrated lanthanide(III) [Ln(III)] nitrates and salicylideneaniline (salanH) have provided access to two families of mononuclear complexes depending on the reaction solvent used. In MeCN, the products are [Ln(NO3)3(salanH)2(H2O)]·MeCN, and, in MeOH, the products are [Ln(NO3)3(salanH)2(MeOH)]·(salanH). The complexes within each family are proven to be isomorphous. The structures of complexes [Ln(NO3)3(salanH)2(H2O)]·MeCN (Ln = Eu, 4·MeCN_Eu, Ln = Dy, 7·MeCN_Dy; Ln = Yb, 10·MeCN_Yb) and [Ln(NO3)3(salanH)2(MeOH)]·(salanH) (Ln = Tb, 17_Tb; Ln = Dy, 18_Dy) have been solved by single-crystal X-ray crystallography. In the five complexes, the LnIII center is bound to six oxygen atoms from the three bidentate chelating nitrato groups, two oxygen atoms from the two monodentate zwitterionic salanH ligands, and one oxygen atom from the coordinated H2O or MeOH group. The salanH ligands are mutually “cis” in 4·MeCN_Eu, 7·MeCN_Dy and 10·MeCN_Yb while they are “trans” in 17_Tb and 18_Dy. The lattice salanH molecule in 17_Tb and 18_Dy is also in its zwitterionic form with the acidic H atom being clearly located on the imine nitrogen atom. The coordination polyhedra defined by the nine oxygen donor atoms can be described as spherical tricapped trigonal prisms in 4·MeCN_Eu, 7·MeCN_Dy, and 10·MeCN_Yb and as spherical capped square antiprisms in 17_Tb and 18_Dy. Various intermolecular interactions build the crystal structures, which are completely different in the members of the two families. Solid-state IR data of the complexes are discussed in terms of their structural features. 1H NMR data for the diamagnetic Y(III) complexes provide strong evidence that the compounds decompose in DMSO by releasing the coordinated salanH ligands. The solid complexes emit greenlight upon excitation at 360 nm (room temperature) or 405 nm (room temperature). The emission is ligand-based. The solid Pr(III), Nd(III), Sm(III), Er(III), and Yb(III) complexes of both families exhibit LnIII-centered emission in the near-IR region of the electromagnetic spectrum, but there is probably no efficient salanH→LnIII energy transfer responsible for this emission. Detailed magnetic studies reveal that complexes 7·MeCN_Dy, 17_Tb and 18_Dy show field-induced slow magnetic relaxation while complex [Tb(NO3)3(salanH)2(H2O)]·MeCN (6·MeCN_Tb) does not display such properties. The values of the effective energy barrier for magnetization reversal are 13.1 cm−1 for 7·MeCN_Dy, 14.8 cm−1 for 17_Tb, and 31.0 cm−1 for 18_Dy. The enhanced/improved properties of 17_Tb and 18_Dy, compared to those of 6_Tb and 7_Dy, have been correlated with the different supramolecular structural features of the two families. The molecules [Ln(NO3)3(salanH)2(MeOH)] of complexes 17_Tb and 18_Dy are by far better isolated (allowing for better slow magnetic relaxation properties) than the molecules [Ln(NO3)3(salanH)2(H2O)] in 6·MeCN_Tb and 7·MeCN_Dy. The perspectives of the present initial studies in the Ln(III)/salanH chemistry are discussed.

Published
2018

37. Rituximab in the management of chronic immune thrombocytopenic purpura: an effective and safe therapeutic alternative in refractory patients

Author

Peñalver, F. J., Jimenez-Yuste, V., Almagro, M., Alvarez-Larrán, A., Rodríguez, L., Casado, M., Gallur, L., Giraldo, P., Hernández, R., Menor, D., Rodríguez, M. J., Caballero, D., González, R., Mayans, J., Millán, I., Cabrera, J. R., and On behalf of the Multi-institutional Retrospective Spanish Study on the use of rituximab in refractory ITP

Published
2006
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38. Decanuclear FeIII clusters with hemiacetal ligands: a new {M10(μ3-O)8} cluster core.

Author

Mayans, J., Roc, L., Font-Bardia, M., and Escuer, A.

Subjects
*IRON clusters, *SCHIFF bases, *LIGANDS (Chemistry), *ALDEHYDES, *HYDROLYSIS
Abstract

The characterization of a decanuclear FeIII cluster with α-methyl-2-pyridinemethanolate, generated by the hydrolysis of Schiff bases, inspired us to carry out an initial exploration of the direct syntheses of medium nuclearity FeIII clusters starting from aldehydes in methanolic medium. The new complexes exhibit an unprecedented {Fe10(μ3-O)8} cluster core. [ABSTRACT FROM AUTHOR]

Published
2019
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39. Consenso mexicano sobre probióticos en gastroenterología

Author

Valdovinos, M. A., Montijo, E., Abreu, A. T., Heller, S., Gonzále Garay, A., Bacarreza, D., Bielsa Fernandez, M.V., Bojórquez Ramos, M. C., Bosques Padilla, Francisco Javier, Burguete García, A.I., Carmona Sánchez, R.I., Consuelo Sánchez, A., Coss Adame, E., Chávez Barrera, J. A., De Ariño, M., Flores Calderón, J., Gómez Escudero, O., González Huezo, M. S., Icaza Chávez, M. E., Larrosa Haro, A., Morales Arámbula, M., Murata, C., Ramírez Mayans, J. A., Remes Troche, José M., Rizo Robles, T., Peláez Luna, M., Toro Monjaraz, E. M., Torre, A., Urquidi Rivera, M. E., Vázquez, R., Yamamoto Furusho, J. K., Guarner, F., Valdovinos, M. A., Montijo, E., Abreu, A. T., Heller, S., Gonzále Garay, A., Bacarreza, D., Bielsa Fernandez, M.V., Bojórquez Ramos, M. C., Bosques Padilla, Francisco Javier, Burguete García, A.I., Carmona Sánchez, R.I., Consuelo Sánchez, A., Coss Adame, E., Chávez Barrera, J. A., De Ariño, M., Flores Calderón, J., Gómez Escudero, O., González Huezo, M. S., Icaza Chávez, M. E., Larrosa Haro, A., Morales Arámbula, M., Murata, C., Ramírez Mayans, J. A., Remes Troche, José M., Rizo Robles, T., Peláez Luna, M., Toro Monjaraz, E. M., Torre, A., Urquidi Rivera, M. E., Vázquez, R., Yamamoto Furusho, J. K., and Guarner, F.

Abstract

Introducción: El uso de los probióticos es común en la práctica clínica. Existe un número signi-ficativo de estudios que apoyan la eficacia de los probióticos en algunos trastornos digestivos.Sin embargo, el desconocimiento de la evidencia científica y las diferentes presentaciones ycomposiciones microbianas de los probióticos disponibles dificultan su prescripción.Objetivo: Proveer al clínico de una revisión consensuada sobre los probióticos y recomendacio-nes de su uso en gastroenterología.Material y métodos: Se seleccionaron los ensayos clínicos controlados, metaanálisis y revisio-nes sistemáticas publicados hasta 2015, usando los términos MESH: probiotics, gastrointestinaldiseases, humans, adults and children. Se utilizó la metodología Delphi. Diecisiete gastroente-rólogos de adultos y 12 de ni˜nos elaboraron enunciados los cuales fueron votados hasta obteneracuerdo > 70%. Para cada enunciado se evaluó el nivel de evidencia basado en el sistema GRADE.Resultados y conclusiones: Se generaron 11 enunciados sobre conceptos generales de probió-ticos y 27 enunciados sobre uso de probióticos en enfermedades gastrointestinales tanto enni˜nos como en adultos. El grupo de consenso recomienda el uso de probióticos en las siguientescondiciones clínicas: prevención de la diarrea asociada a antibióticos, tratamiento de la diarreaaguda infecciosa, prevención de infección por Clostridium difficile y enterocolitis necrosante,para disminuir los eventos adversos de la terapia de erradicación del Helicobacter pylori, elalivio de los síntomas del síndrome de intestino irritable, en el estre˜nimiento funcional deladulto, para inducir y mantener la remisión en pacientes con colitis ulcerosa crónica idiopáticay pouchitis, y en la encefalopatía hepática oculta y manifiesta.© 2016 Asociaci´on Mexicana de Gastroenterolog´ıa. Publicado por Masson Doyma M´exico S.A.Este es un art´ıculo Open Access bajo la licencia CC BY-NC-ND (http://creativecommons.org/licenses/by-nc-nd/4.0/). ASTRACT Intr

Published
2017

40. Consenso mexicano sobre probióticos en gastroenterología

Author

Valdovinos Díaz, M. A., Montijo, E., Abreu Abreu, A.T., Heller, S., González Garay, A., Bacarreza, D., Bielsa Fernández, M.V., Bojórquez Ramos, M. C., Bosques Padilla, Francisco Javier, Burguete García, A.I., Carmona Sánchez, R.I., Consuelo Sánchez, A., Coss Adame, E., Chávez Barrera, J. A., De Ariño, M., Flores Calderón, J., Gómez Escudero, O., González Huezo, M. S., Icaza Chávez, M. E., Larrosa Haro, A., Morales Arámbula, M., Murata, C., Ramírez Mayans, J. A., Remes Troche, José M., Rizo Robles, M.T., Peláez Luna, M., Toro Monjaraz, E. M., Torre, A., Urquidi Rivera, Martha Eugenia, Vázquez, R., Yamamoto Furusho, J. K., Guarner, F., Valdovinos Díaz, M. A., Montijo, E., Abreu Abreu, A.T., Heller, S., González Garay, A., Bacarreza, D., Bielsa Fernández, M.V., Bojórquez Ramos, M. C., Bosques Padilla, Francisco Javier, Burguete García, A.I., Carmona Sánchez, R.I., Consuelo Sánchez, A., Coss Adame, E., Chávez Barrera, J. A., De Ariño, M., Flores Calderón, J., Gómez Escudero, O., González Huezo, M. S., Icaza Chávez, M. E., Larrosa Haro, A., Morales Arámbula, M., Murata, C., Ramírez Mayans, J. A., Remes Troche, José M., Rizo Robles, M.T., Peláez Luna, M., Toro Monjaraz, E. M., Torre, A., Urquidi Rivera, Martha Eugenia, Vázquez, R., Yamamoto Furusho, J. K., and Guarner, F.

Abstract

El uso de los probióticos es común en la práctica clínica. Existe un número significativo de estudios que apoyan la eficacia de los probióticos en algunos trastornos digestivos. Sin embargo, el desconocimiento de la evidencia científica y las diferentes presentaciones y composiciones microbianas de los probióticos disponibles dificultan su prescripción. Objetivo: Proveer al clínico de una revisión consensuada sobre los probióticos y recomendaciones de su uso en gastroenterología.

Published
2017

41. Importancia de la microbiota gastrointestinal en pediatría

Author

Zamudio-Vázquez, V P, primary, Ramírez-Mayans, J A, additional, Toro-Monjaraz, E M, additional, Cervantes- Bustamante, R, additional, Zárate-Mondragón, F, additional, Montijo-Barrios, E, additional, Cadena-León, J F, additional, and Cázares-Méndez, J M, additional

Published
2017
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43. Deficit of interleukin 7 in septic patients

Author

Andreu-Ballester JC, Cuellar C, Garcia-Ballesteros C, Pérez-Griera J, Amigó V, Peiró-Gómez A, Peñarroja-Otero C, Ballester F, Mayans J, and Tormo-Calandín C

Subjects
Gamma-delta T cells, Sepsis, Interleukin 7
Abstract

We recently demonstrated an overall decrease of all alpha beta and specially gamma delta T cell subsets in patients with sepsis compared with healthy subjects. IL-7 is a crucial factor for development of gamma delta T cells and survival in sepsis but its association with sepsis severity, evolution of organ failure and death still has not been investigated. Sera from 78 patients who met criteria for sepsis were analyzed vs control group. Septic patients showed the lowest levels of IL-7. Patients with severe sepsis reached levels of IL-7 higher than those observed in the groups of uncomplicated sepsis and septic shock. The frequency gamma delta T cells at admission was lower in septic patients vs control group. At the time of admission, the frequency of gamma delta T cells in septic patients who subsequently died was lower than the observed in the group of patients that instead survived. (C) 2014 Elsevier B.V. All rights reserved.

Published
2014

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