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Artigo Acesso aberto Revisado por pares

Nicolás Aguilar-Farías, Pía Martino-Fuentealba, Andrea Cortínez-O’Ryan, Damián Chandía-Poblete, Carlos Celis‐Morales, Paz Bahamondes, Jaime Leppe, Wendy J. Brown,

Although evidence on the health effects of sedentary behavior (SB) has grown systematically in recent years, few developing countries have reported population levels of SB, especially in South America. Our objective was to describe time spent sitting in a representative sample from Chile categorized by age, gender, educational level, and body mass index (BMI).A national health survey was conducted in Chile in a nationally representative sample (n = 5411) in 2009-2010. Sitting time (ST) was measured with ...

Tópico(s): Mobile Health and mHealth Applications

2017 - Elsevier BV | Journal of sport and health science/Journal of Sport and Health Science

Artigo Acesso aberto Revisado por pares

Nicolás Aguilar-Farías, Sebastián Miranda-Marquez, Pía Martino-Fuentealba, Kabir P. Sadarangani, Damián Chandía-Poblete, Camila Mella-Garcia, Jaime Cárcamo-Oyarzún, Carlos Cristi‐Montero, Fernando Rodríguez‐Rodríguez, Pedro Delgado‐Floody, Astrid Von Oetinger, Teresa Balboa‐Castillo, Sebastián Peña, Cristóbal Cuadrado, Paula Bedregal, Carlos Celis‐Morales, Antônio García‐Hermoso, Andrea Cortínez-O’Ryan,

The study summarizes the findings of the 2018 Chilean Report Card (RC) on Physical Activity (PA) for Children and Adolescents and compares the results with the first Chilean RC and with other countries from the Global Matrix 3.0.A Research Work Group using a standardized methodology from the Global Matrix 3.0 awarded grades for 13 PA-related indicators based on the percentage of compliance for defined benchmarks. Different public data sets, government reports, and papers informed the indicators.The ...

Tópico(s): Health and Lifestyle Studies

2020 - Human Kinetics | Journal of Physical Activity and Health

Artigo Revisado por pares

Ignacio Moreno‐Villoslada, Marlen Jofré, Víctor Miranda, Patricio Chandía, Rodrigo González, Susan Hess, Bernabé L. Rivas, Carlos Elvira, Julio San Román, Toshimichi Shibue, Hiroyuki Nishide,

Evidences of the π-stacking of rhodamine B onto poly(sodium 4-styrenesulfonate) are given by 1H NMR spectroscopy. As a consequence of these π–π interactions, changes on the diafiltration and UV–vis absorbance and fluorescence patterns are shown comparing water-soluble polymers containing aromatic rings as poly(sodium 4-styrenesulfonate) and poly(N-methacryloyl-5-aminosalicylic acid) with other polyanions that do not contain aromatic rings as poly(sodium vinylsulfonate) and poly(acrylic acid).

Tópico(s): Molecular Sensors and Ion Detection

2006 - Elsevier BV | Polymer

Artigo Acesso aberto Revisado por pares

Juan Carlos Ortiz Pradillo, W. Venegas, John A. Sandoval, PATRICIO CHANDIA, Fernando Torres Pérez,

La Octava Región de Chile corresponde a la segunda región con el mayor número de casos de Síndrome Cardiopulmonar por Hantavirus (SCPH).Por tal motivo se realizó un estudio para detectar la presencia de anticuerpos contra hantavirus en roedores y su distribución local en la Octava Región.El estudio comprendió las cuatro provincias de la región y consideró once sitios de muestreo.Se capturaron siete especies de roedores, Abrothrix olivaceus fue la más abundante seguida de Oligoryzomys longicaudatus. ...

Tópico(s): Study of Mite Species

2004 - BioMed Central | Revista chilena de historia natural

Artigo Acesso aberto

Christine E Boston, Drew Smith, Carlos Ubeda, Mayorie Chandia, Mariel González,

Studies focusing on biological differences among groups have been a widespread area of anthropological research for decades.One of the most common means of assessing biological differences is through comparing craniofacial metrics.Craniofacial growth is under genetic control but strongly influenced by environmental factors, including artificial cranial modification (ACM).Some scholars believe ACM affects craniofacial metrics, but other scholars disagree.This study seeks to remedy this debate.A total ...

Tópico(s): Medical and Biological Sciences

2015 - University of Tarapacá | Chungara

Artigo Acesso aberto Revisado por pares

Eugenio Chandía, Anahí Huencho, Carlos Pérez, Andrés Ortíz, Gamal Cerda,

[Objetivo] El objetivo del estudio fue analizar las habilidades cognitivas y sociales de un grupo de estudiantes y su profesora en una intervención basada en la resolución de problemas colaborativos (RPC) en matemática. [Metodología] Se realizó un estudio eligiendo uno de los 8 grupos de 4 estudiantes formados aleatoriamente en una intervención no curricular programada en 24 sesiones quincenales de 90 minutos. El grupo elegido quedó constituido por 4 estudiantes de género femenino. Se registraron las sesiones ...

Tópico(s): Educational methodologies and cognitive development

2022 - National University, Costa Rica | Uniciencia

Artigo Acesso aberto Revisado por pares

Eugenio del C. Chandía, Gamal Cerda, Carlos Enrique Orozco, Anahí A. Huencho,

El presente estudio tiene como objetivo examinar los syllabus de las asignaturas de matemática y didáctica de la matemática de 15 programas de formación docente de educación básica. Dado el cuestionamiento al sistema de aseguramiento de la educación en Chile, se condujo un análisis de correspondencia de los años de acreditación utilizando la unidad de comparación CARE (conocimiento matemático escolar, actividades, rol y espacio) de acercamiento al aula escolar. Los resultados muestran ...

Tópico(s): Educational Innovations and Technology

2021 - SciELO | Formación universitaria

Artigo Acesso aberto Revisado por pares

Eduardo Fernández, Carlos Vásquez, Luis Urrutia, Casandra Jara, Carlos Veas, Mauricio Chandía,

The diagnosis of blast cell presence in cerebrospinal fluid (CSF) in acute leukemias (AL) is made using techniques such as flow cytometry (FCM) and conventional cytology (CC). This study aims to evaluate CSF blast cell presence frequency in LA using both techniques (CC and FCM) in our center.

Tópico(s): Neurological Complications and Syndromes

2024 - Q16635223 | Revista médica de Chile

Artigo Acesso aberto Revisado por pares

Gonzalo Manuel Godoy Steindl, Diego Alberto Peñaloza Madrid, Diego Alberto Peñaloza Madrid, Jordan Giovanni Federico Salfattis Chandia, Bruno Lucciano Mauro Pizarro Guzmán, Carlos Nicolás Roca Acevedo, Nicolás Alfonso Leiva Espinosa, Francisca Urrejola Villa, María Pamela Giacomelli,

This work aims to raise awareness about the harm caused by plastics dumped in the sea and provide information about the medical management of Pacific green turtle specimens under human care when they require attention.A case is presented of an adult female specimen of Chelonia mydas rescued in the city of Constitución, Chile, 200 km southwest of the Wildlife Rehabilitation Center (CRFS) at Parque Safari.The specimen shows symptoms of impaction syndrome with caudal flotation due to the accumulation ...

Tópico(s): Dental Trauma and Treatments

2023 - Uiversidad Nacional de La Plata | Ciencia Veterinaria

Artigo Acesso aberto Revisado por pares

Gamal Cerda, Carlos Pérez, Eugenio Chandía,

El pensamiento matemático informal fue analizado a partir de precursores específicos y generales. El presente estudio se focalizó en niños y niñas chilenos en torno a cuatro años de edad provenientes de establecimientos públicos que atienden a población de mayor vulnerabilidad social (N=137). Los hallazgos indican que ambos tipos de habilidades son parte de una base importante para el pensamiento matemático informal. El modelo general de regresión múltiple explica el 48.4% de la variabilidad de las ...

Tópico(s): Social Skills and Education

2021 - | Psychology Society & Education

Artigo Acesso aberto Revisado por pares

Gamal Cerda, Carlos Pérez, Eugenio Chandía Muñoz,

Se presentan los hallazgos referidos a la disponibilidad léxica de estudiantes en contextos de alta vulnerabilidad social (N=635), en centros de interés asociados a los cuatro ejes curriculares de matemática: Geometría, Álgebra y Funciones, Números y Estadística y Probabilidades. El mayor número de palabras aparece asociado al centro de interés de Geometría y el menor a Datos y azar, lo que resulta coincidente con otros estudios relacionados. En el centro de interés Números, las cuatro primeras palabras ...

Tópico(s): Educational Outcomes and Influences

2021 - Catholic University of the Most Holy Conception | Revista de Estudios y Experiencias en Educación

Artigo Revisado por pares

Camila Peña, Eloísa Riva, Natalia Schütz, Luz Tarín‐Arzaga, Humberto Martínez‐Cordero, Virginia Bove, Rocío Osorio, Mauricio Chandía, Cecilia Beltrán, Javier Schulz, Daniela Cardemil, Carolina Contreras, Carmen Vergara, Javiera Donoso, Marcela Espinoza, Gabriel La Rocca, Hernán López‐Vidal, Pilar Leόn, Christine Rojas Hopkins, Pablo Soto, Sandra Aranda, Vivianne Torres, Macarena Roa, Paola Ochoa, Patricio Duarte, Guillermina Remaggi, Sebastián Yantorno, Ariel Corzo, Soledad Zabaljauregui, Claudia Shanley, Sergio Lopresti, Sérgio Orlando, Verónica Verri, Luis Quiroga, Carlos García, Vanesa Alonso, Jhoanna Ramírez, Alicia Molina, María Pacheco, Alex Mite, Inés Reyes, Brenner Sabando, Francisca Ramírez, Claudia Sossa, Virginia Abello, Henry Idrobo, Kenny Gálvez, Domingo Saavedra, Guillermo Quintero, Raimundo Gazitúa, Lina María Gaviria, Rigoberto Gómez, Mónica Osuna, Alicia Henao-Uribe, Omar Cantú-Martínez, David Gómez‐Almaguer, Yarely Itzayana García-Navarrete, Antonio Cruz-Mora, Yahveth Cantero‐Fortiz, Guillermo J. Ruíz‐Argüelles, Dorotea Fantl,

The aim of this study was to describe clinical and survival characteristics of transplant-eligible multiple myeloma (MM) patients in Latin America (LA), with a special focus on differences between public and private healthcare facilities. We included 1293 patients diagnosed between 2010 and 2018. A great disparity in outcomes and survival between both groups was observed. Late diagnosis and low access to adequate frontline therapy and ASCT in public institutions probably explain these differences. ...

Tópico(s): Myeloproliferative Neoplasms: Diagnosis and Treatment

2020 - Taylor & Francis | Leukemia & lymphoma/Leukemia and lymphoma

Artigo Acesso aberto Revisado por pares

Casandra Jara, Carlos Veas, Carolina Delgado, Claudia Cabezas, Mauricio Chandía,

Cerebrospinal fluid (CSF) involvement in B cell non-Hodgkin lymphomas is a poor prognostic sign and diagnosis is made using techniques such as flow cytometry (FCM) and conventional cytology (CC).

Tópico(s): Lung Cancer Research Studies

2024 - Q16635223 | Revista médica de Chile

Artigo Acesso aberto Revisado por pares

Teresa Massardo, Verónica Araya, Carlos Ibáñez, Jonathan Véliz, René Fernández, Rodrigo Jaimovich, Julio Pallavicini, Rolando Chandía, Karla Pereira, Jaime Pereira,

Serum lipid levels in a group of cocaine dependent subjects in recent abstinenceBackground: Chronic cocaine users develop multiple potentially lethal ischemic vascular complications associated with accelerated atherosclerosis.Aim: To assess biochemical and lipid profiles among cocaine dependent subjects in recent abstinence.Material and Methods: A blood sample to measure blood count, biochemical and lipid profiles was obtained from 78 patients aged 19 to 53 years (78% males) who complied with DSM- ...

Tópico(s): Alcohol Consumption and Health Effects

2015 - Q16635223 | Revista médica de Chile

Artigo Revisado por pares

Carlos Oyarce Marambio, Kristopher Chandía Valenzuela, Alejandro Rodríguez Estay,

For almost two centuries the whole electronics was based on three fundamental elements: resistor, capacitor, and inductor. In 1971, Leon Chua theorized about...

Tópico(s): Educational theories and practices

2014 - Associação Interciencia | Interciencia

Artigo Acesso aberto

Marcela Gema Espinoza Espinoza, Tania Soledad Burgos Pérez, Javiera Ignacia Chandía Solís, Bárbara Sofía Flores Jara, Carlos Daniel Ortega Sandoval, José Manuel León Pino,

Objetivo principal: determinar los conocimientos y actitudes hacia la donación de órganos y tejidos de estudiantes de enfermería de una universidad pública de Chile. Metodología: estudio cuantitativo, observacional de corte transversal. La población fue de 266 estudiantes de enfermería. Se aplicó un cuestionario de actitudes y conocimientos respecto de la donación de órganos en Chile. Resultados principales: un 54,8% no conocía o no sabía acerca de la ley de donación de órganos en Chile y el 73, ...

Tópico(s): Palliative and Oncologic Care

2024 - Fundación Index | Index de Enfermería

Artigo Acesso aberto

Aldo Hernández, Carlos A. Gonzalez, Oscar Inostroza-Michael, José Miguel Bogdanovich, Eduardo Hernández‐Miranda, Marco Salamanca, Cristian Chandía,

Tópico(s): Botany and Geology in Latin America and Caribbean

2024 - University of Concepción | Gayana

Artigo Acesso aberto Revisado por pares

Casandra Jara, Carlos Veas, Carolina Delgado, Claudia Cabezas, Mauricio Chandía,

Introducción: El compromiso del líquido cefalorraquídeo (LCR) en hemopatías malignas es un marcador de mal pronóstico y es habitualmente estudiado por citometría de flujo o citología. Ocasionalmente, las muestras de LCR oligocelulares (≤ 5 céls/dL) pueden ser consideradas como no aptas para diagnóstico por la baja cantidad de eventos.

Tópico(s): Multiple Myeloma Research and Treatments

2023 - Q16635223 | Revista médica de Chile

Revisão Acesso aberto Revisado por pares

Marco Antonio Díaz, David Blanco Fernández, Rosa Chandia-Jaure, Andrés Cataldo-Cunich, Victor H. Poblete, Carlos Aguirre, María Belén Almendro Candel,

Tópico(s): Water Treatment and Disinfection

2025 - Multidisciplinary Digital Publishing Institute | Water

Artigo Acesso aberto Revisado por pares

Robert J. Barro,

... org/10.1016/j.resourpol.2021.102512KHURRAM EJAZ CHANDIA, MUHAMMAD BADAR IQBAL, SAIRA AZIZ, IFRA GUL, BINESH ...

Tópico(s): Global Health Care Issues

1974 - University of Chicago Press | Journal of Political Economy

Artigo Acesso aberto

Aldo Hernández, Oscar Inostroza-Michael, Marco Salamanca, Cristian Chandía, Eduardo Hernández‐Miranda, Odette A. Vergara, José Miguel Bogdanovich, Carlos A. Gonzalez,

Tópico(s): Environmental and Cultural Studies in Latin America and Beyond

2024 - University of Concepción | Gayana

Revisão Acesso aberto Revisado por pares

Juan Carlos Aristizábal Rivera, Daniel Núñez, Elizabet Millar, Kimberly Ramirez, Mauricio Chandía, Claudio Aguayo,

Abstract Background Hematopoiesis, the process of blood cell formation involves on a complex network of transcription factors. Among them, the CCAAT‐enhancer‐binding protein alpha (CEBPA) plays a crucial role in maintaining the balance between myeloid proliferation and differentiation. Imbalances in this network can lead to disrupted differentiation and contribute to the development of malignant diseases. Aim Understanding of disease development and explore potential therapeutic strategies for hematological ...

Tópico(s): Chronic Myeloid Leukemia Treatments

2023 - Wiley | International Journal of Laboratory Hematology

Artigo Acesso aberto Revisado por pares

Alberto Espino, José Ignacio Vargas, Carla Mancilla, P. Gomis Muñoz, Waldo Martínez, Alejandra Menéndez, Daniela Jara, Rodrigo Mansilla, Giancarlo Schiappacasse, Mario Santamarina, Álvaro Huete, Roberto Cândia, Felipe Silva, Cecilia Castillo, Hugo Richter, Ricardo Mejía, Paula Vial, Ignacio Robles, Jorge Martínez, N. Jarufe, Eduardo Briceño, Hanns Lembach, Pablo Zoroquiaín, Juan Carlos Roa, Kenneth Walker, Javiera Torres, Laura Carreño, Adriana Castiblanco, Wanda Fernández, Álvaro Ríos, Javiera Chandía, María José Ayala, Tamara Rojas, Jorge Verdugo, Zoltán Berger,

Pancreatic cystic neoplasms (PCN) are frequently detected on abdominal images performed for non-pancreatic indications. Their prevalence in asymptomatic population ranges from 2.7 to 24.8%, and increases with age. There are several types of pancreatic cysts. Some may contain cancer or have malignant potential, such as mucinous cystic neoplasms, including mucinous cystadenoma (MCN) and intraductal papillary mucinous neoplasms (IPMN). In contrast, others are benign, such as serous cystadenoma (SCA). However, ...

Tópico(s): Pancreatitis Pathology and Treatment

2021 - Q16635223 | Revista médica de Chile

Artigo Acesso aberto Revisado por pares

Camila Peña, Natalia Schütz, Virginia Bove, Fiorella Villano, Rocío Osorio, Mauricio Chandía, Daniela Cardemil, Contreras Rosino C, Carolina Contreras, Javiera Donoso, M. Espinoza, L.R. Gabriel, Hernán López‐Vidal, C. Rojas, Pablo Soto, Paola Ochoa, Patricio Duarte, Guillermina Remaggi, Sebastián Yantorno, Ariel Corzo, Soledad Zabaljauregui, Claudia Shanley, Sergio Lopresti, Sérgio Orlando, Verónica Verri, L. Quiroga, Carlos Alexandre Borges Garcia, Vicens Díaz-Brito, Dorotea Fantl, Eloísa Riva,

Background: Multiple myeloma (MM) is a frequent hematologic malignancy. Despite the important advances in treatment strategies during the last decades, the gold standard remains being a proteasome inhibitor (PI)‐based induction, followed by autologous stem cell transplant (ASCT). In Latin America (LA) there is great heterogeneity in access to new drugs and ASCT, and there is scarce data regarding patient́s outcomes in the region. Aims: The aim of this study was to describe clinical characteristics and ...

Tópico(s): Chronic Myeloid Leukemia Treatments

2019 - Wolters Kluwer | HemaSphere

Artigo Revisado por pares

Camila Peña, Natalia Schütz, Virginia Bove, Fiorella Villano, Rocío Osorio, Mauricio Chandía, Cecilia Beltrán, Javier Schulz, Daniela Cardemil, Carolina Contreras, Carmen Vergara, Javiera Donoso, Marcela Espinoza, Gabriel La Rocca, Hernán López‐Vidal, Pilar Leόn, Christine Rojas, Pablo Soto, Sandra Aranda, Vivianne Torres, Paola Ochoa, Patricio Duarte, Guillermina Remaggi, Sebastián Yantorno, Ariel Corzo, Soledad Zabaljauregui, Claudia Shanley, Sergio Lopresti, Sérgio Orlando, Verónica Verri, Luis Quiroga, Carlos García, Vanesa Alonso, Dorotea Fantl, Jhoanna Ramírez, Alicia Molina, Pilar Papilco, Alex Mite, Inés Reyes, Brener Sabando, Francisca M. Ramirez Aspiazu, Claudia Sossa, Virginia Abello, Henry Idrobo, Kenny Gálvez, Domingo Saavedra, Guillermo Quintero, Raimundo Gazitúa, Lina María Gaviria, Rigoberto Gómez, Monica Osuna Pérez, Alicia Henao-Uribe, Luz del Carmen Tarín Arzaga, Omar Cantú-Martínez, David Gómez‐Almaguer, Yarely Itzayana García-Navarrete, Antonio Cruz-Mora, Yahveth Cantero‐Fortiz, Guillermo J. Ruíz‐Argüelles, Macarena Roa, Eloísa Riva,

Background Multiple myeloma (MM) is a frequent hematologic malignancy. The current gold standard frontline strategy includes a proteasome inhibitor (PI)-based induction, followed by autologous stem cell transplant (ASCT). Access to novel drugs in Latin America (LA) is limited. ASCT is available in most countries, but real access to it is highly heterogeneous. Data regarding patients´ outcomes in candidates to ASCT in the region is scarce. The aim of this study was to describe clinical characteristics ...

Tópico(s): Chronic Myeloid Leukemia Treatments

2019 - Elsevier BV | Blood