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Mostrando ítems 687-706 de 1852

    • Extensive Identification of Bacterial Riboflavin Transporters and Their Distribution across Bacterial Species 

      Torres, Alfredo Gabriel [University of Texas. Medical Branch]; Merino, Enrique [México. UNAM]; Ruy Bonomi, Hernán [Argentina. IIBBA CONICET]; Antonio Garcia-Angulo, Víctor [Chile. Universidad Mayor. Centro de Genómica y Bioinformática] (CIENCIAS, 2015)
      Riboflavin, the precursor for the cofactors flavin mononucleotide (FMN) and flavin adenine dinucleotide, is an essential metabolite in all organisms. While the functions for de novo riboflavin biosynthesis and riboflavin ...

    • Extreme Weather Events Threaten Biodiversity And Functions Of River Ecosystems: Evidence From A Meta Analysis 

      Sabater, Sergi; Freixa, Anna; Jiménez, Laura; López-Doval, Julio; Pace, Giorgio; Pascoal, Claudia; Perujo, Nuria; González-Trujillo, Juan David; Craven, Dylan [Univ Mayor, Ctr Modelac & Monitoreo Ecosistemas, Santiago, Chile] (2023)

    • Factores asociados a inactividad física en chile: resultados de la encuesta nacional de salud 2009-2010 

      Díaz-Martínez X., Garrido A., Martínez M.A., Leiva A.M., Álvarez C., Ramírez-Campillo R., Cristi-Montero C., Rodríguez F., Salas-Bravo C., Durán E., Labraña A.M., Valdivia-Moral P., Zagalaz M.L., Aguilar-Farías N.; Celis-Morales, Carlos A. [Centro de Investigación en Fisiología Integrada y Salud, Facultad de Ciencias, Universidad Mayor, Chile] (Sociedad Medica de Santiago, 2017)
      Background: Physical inactivity is an important risk factor for cardiovascular diseases. Aim: To identify factors associated with physical inactivity in Chilean adults. Material and Methods: Participants from the Chilean ...

    • Factores de riesgo asociados al desarrollo de hypertensión arterial en Chile 

      Petermann F., Durán E., Labraña A.M., Martínez M.A., Leiva A.M., Garrido-Méndez A., Poblete-Valderrama F., Díaz-Martínez X., Salas C.; Celis-Morales, Carlos [Centro de Fisiología y Biomecánica, Facultad de Ciencias, Universidad Mayor, Chile] (Sociedad Médica de Santiago, 2017)
      Background: High blood pressure is one of the major risk factors for the development of cardiovascular disease, affecting 27% of the Chilean population in 2010. Aim: To determine the risk factors associated with the ...

    • Factores que influyen en la distribución de nidos de la hormiga Argentina Linepithema humile Mayr (Hymenoptera: Formicidae), en un ecosistema precordillerano de la zona central de Chile 

      Castro, L [Chile. Universidad Mayor]; Eissemann, R. [Universidad de Chile]; Morales, M. A [Universidad de Chile] (CIENCIAS, 2010)
      The purpose of this research was to demonstrate the dependant relationship between the Argentine ant Linepithema humile Mayr, plant coverage, and human settlements. A method was designed in order to sample the presence of ...

    • Factors Associated With Cognitive Impairment In Latin American Older Adults: A Cross Sectional Observational Study Of Covid 19 Confinement 

      Ramos-Henderson, Miguel; Soto-Añari, Marcio; Herrera-Pino, Jorge; Porto, Maria F.; Camargo, Loida; Hesse, Heike; Ferrel-Ortega, Robert; Quispe-Ayala, Cesar; De La Cadena, Claudia; Mendoza-Ruvalcaba, Neyda; Caldichoury, Nicole; Castellanos, Cesar; Varón, Claudia; Aguilar, Dolores; Antezana, Regulo; Martinez, Juan; Román, Norbel; Boza, Carolina; Saldías, Carol; López, Norman; Ducassou, Alejandro [Univ Mayor Temuco, Escuela Psicol, Fac Med & Ciencias Salud, Temuco, Chile] (2023)

    • Factors associated with cognitive impairment in Latin American older adults: A cross-sectional observational study of COVID-19 confinement 

      Ramos-Henderson, Miguel; Soto-Anari, Marcio; Herrera-Pino, Jorge; Porto, Maria F.; Camargo, Loida; Hesse, Heike; Ferrel-Ortega, Robert; Quispe-Ayala, Cesar; García de la Cadena, Claudia; Mendoza-Ruvalcaba, Neyda; Caldichoury, Nicole; Castellanos, Cesar; Varón, Claudia; Aguilar, Dolores; Antezana, Regulo; Martínez, Juan; Román, Norbel; Boza, Carolina; Ducassou, Alejandro [Univ Mayor Temuco, Escuela Psicol, Fac Med & Ciencias Salud, Temuco, Chile]; Saldias, Carol; López, Norman (WILEY, 2023-04)
      INTRODUCTION: The effects of COVID-19 confinement have been severe, especially in older adults. Therefore, we analyzed the factors associated with cognitive impairment (CI) in Latin America (LA). METHODS: We conducted a ...

    • Factors associated with cognitive impairment in older adults in Chile 

      Celis-Morales, Carlos [Univ Mayor, CIFE, Santiago, Chile]; Adela Martínez-Sanguinetti, Maria; María Leiva, Ana; Petermann-Rocha, Fanny; Troncoso-Pantoja, Claudia; Villagrán, Marcelo; Lanuza-Rilling, Fabian; Nazar, Gabriela; Poblete-Valderrama, Felipe; Díaz-Martínez, Ximena (SOC MEDICA SANTIAGO, 2019)
      Background: The risk factors for the development of cognitive impairment are not well known. Aim: To identify socio-demographic, lifestyle and health-related factors associated with cognitive impairment in older Chilean ...

    • Factors associated with early childhood caries in Chile 

      Moya, Patricia [Chile. Universidad Mayor]; Vidal, Carolina [Chile. Universidad Mayor]; Benadof, Dafna [Chile. Universidad Mayor] (CIENCIAS, 2016)
      Objetivo: Determinar la prevalencia y los factores asociados a la caries en niños y niñas de 2 y 4 años de edad en el sur de Chile. Métodos: Estudio transversal, con muestra probabilística de 2987 niños y niñas. Se realizaron ...

    • Factors associated with falls in older adults in chile. Analysis of the National Health Survey 2009-2010 

      Cells-Morales, Carlos [Univ Mayor, CIFE, Santiago, Chile]; María Leiva, Ana; Troncoso-Pantoja, Claudia; Adela Martínez-Sanguinetti, Maria; Petermann-Rocha, Fanny; Poblete-Valderrama, Felipe; Cigarroa Cuevas, Igor (SOC MEDICA SANTIAGO, 2019)
      Background: A decrease in functional capacity due to ageing is one of the main risk factors for falls in older people. Aim: To investigate factors associated with falls in Chilean older adults. Material and Methods: We ...

    • Factors associated with objectively measured total sedentary time and screen time in children aged 9-11 years 

      de Moraes Ferrari, Gerson Luis [Univ Mayor, Ctr Invest Fisiol Ejercicio, Santiago, Chile]; Pires, Carlos; Sole, Dirceu; Matsudo, Víctor; Katzmarzyk, Peter T.; Fisberg, Mauro (SOC BRASIL PEDIATRIA, 2019)
      Objective: To identify factors associated with total sedentary time and screen time in children aged 9-11 years. Methods: For seven consecutive days, 328 children (51.5% boys) used accelerometers to monitor total sedentary ...

    • Factors associated with sarcopenia: A cross-sectional analysis using UK Biobank 

      Celis-Morales, Carlos [Univ Mayor, Ctr Exercise Physiol Res CIFE, Santiago, Chile]; Petermann-Rocha, Fanny; Chen, Minghao; Gray, Stuart R.; Ho, Frederick K.; Pell, Jill P. (ELSEVIER IRELAND LTD, 2020)
      Introduction: The critical sociodemographic, lifestyle and diseases factors influencing sarcopenia, defined by the current European Working Group on Sarcopenia 2 (EWGSOP2) classification and cut-off points, have not yet ...

    • Facts and hypotheses about the programming of neuroplastic deficits by prenatal malnutrition 

      Burgos, Héctor [Univ Mayor, Fac Ciencias, Nucleo Disciplinar Psicol, Santiago, Chile]; Barra, Rafael; Morgan, Carlos; Saez-Briones, Patricio; Reyes-Parada, Miguel; Morales, Bernardo; Hernández, Alejandro (OXFORD UNIV PRESS INC, 2019)
      Studies in rats have shown that a decrease in either protein content or total dietary calories results in molecular, structural, and functional changes in the cerebral cortex and hippocampus, among other brain regions, ...

    • Family Stabilization Services For Unaccompanied Children In The United States 

      Hasson, Robert G.; Labella, Bianca; Diaz-Valdes, Antonia (2023)

    • Fast And Cost Effective Sars Co V 2 Variant Detection Using Oxford Nanopore Full Length Spike Gene Sequencing 

      Salazar, Cecilia; Ferres, Ignacio; Paz, Mercedes (2023)

    • Fast High-Fidelity Quantum Nondemolition Qubit Readout via a Nonperturbative Cross-Kerr Coupling 

      Ramos, T. [Univ Mayor, Fac Estudios Interdisciplinarios, DAiTA Lab, Santiago, Chile]; Dassonneville, R.; Milchakov, V.; Planat, L.; Dumur, E.; Foroughi, F.; Puertas, J.; Leger, S.; Bharadwaj, K.; Delaforce, J.; Naud, C.; Hasch-Guichard, W.; Garcia-Ripoll, J. J.; Roch, N.; Buisson, O. (AMER PHYSICAL SOC, 2020)
      Qubit readout is an indispensable element of any quantum information processor. In this work, we experimentally demonstrate a nonperturbative cross-Kerr couplingbetween a transmon and polariton mode which enables an improved ...

    • Fast simultaneous electrochemical detection of Bisphenol-A and Bisphenol-S in urban wastewater using a graphene oxide-iron nanoparticles hybrid sensor 

      Piña, Samuel; Sepúlveda, Pamela [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada CNAP, Chile]; García-García, Alejandra; Moreno-Bárcenas, Alejandra; Toledo-Neira, Carla; Salazar-González, Ricardo (PERGAMON-ELSEVIER SCIENCE LTD, 2023-11-10)
      In this work, a novel and sensitive electrochemical sensor was developed for the simultaneous determination of low concentration levels of Bisphenol-A (BPA) and Bisphenol-S (BPS) in a secondary effluent from a wastewater ...

    • Fármacos de uso frecuente en dermatología como terapia para COVID-19 

      Ortega-Pena, M. [Univ Mayor, Escuela Med, Santiago, Chile]; González-Cuevas, R. (Ediciones Doyma, S.L., 2021-02)
      Frente a la necesidad de encontrar una alternativa terapéutica que logre disminuir el impacto negativo de la COVID-19 y mejore el pronóstico actual de los pacientes, investigadores de todo el mundo se esfuerzan por aportar ...

    • FBN-1, a fibrillin-related protein, is required for resistance ofthe epidermis to mechanical deformation during c. Elegans embryogenesis 

      Yochem, John [University of Wyoming. Department of Molecular Biology]; Krieg, Michael [Department of Molecular and Cellular Physiology, Stanford University, Stanford, United States]; Calixto, Andrea [Chile. Universidad Mayor. Centro de Genómica y Bioinformática]; Heiman, Maxwell G. [Estados Unidos. Boston Children’s Hospital]; Kuzmanov, Aleksandra [Estados Unidos. University of Wyoming]; Meli, Vijaykumar [Estados Unidos. University of California]; Chalfie, Martin [Estados Unidos. Columbia University]; Goodman, Miriam B. [Estados Unidos. Stanford University]; Shaham, Shai [Estados Unidos. The Rockefeller University. Laboratory of Developmental Genetics]; Frand, Alison [Estados Unidos. University of California]; Fay, David S. [Estados Unidos. University of Wyoming] (CIENCIAS, 2015)
      During development, biomechanical forces contour the body and provide shape to internal organs. Using genetic and molecular approaches in combination with a FRET-based tension sensor, we characterized a pulling force exerted ...

    • Feammox Bacterial Biofilms As An Alternative Biological Process For The Removal Of Nitrogen From Agricultural Wastewater 

      Cerda, Ambar; Gonzalez, Macarena; Rodriguez, Carolina (2023)

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