Now showing items 21-40 of 11941

    • Ojeda, Javier; Ruiz Tapia, Sergio (Copernicus Gesellschaft MBH, 2021)
      On 3 March 2020, the first case of COVID-19 was confirmed in Chile. Since then, the Ministry of Health has imposed mobility restrictions, a global policy implemented to mitigate the propagation of the virus. The national ...
    • Ibáñez Guelfenbein, Catalina; Torres Torretti, Juan Pablo; Santolaya de Pablo, María Elena (Soc. Chilena Infectología, 2021)
      La enfermedad por coronavirus 2019, causada por el virus SARSCoV2, fue declarada pandemia en marzo de 2020 por la OMS. La proteína S, de la superficie viral ha sido identificada como antígeno óptimo para el desarrollo ...
    • Villar Fincheira, Paulina; Sanhueza Olivares, Fernanda; Norambuena Soto, Ignacio; Cancino Arenas, Nicole; Hernández Vargas, Felipe; Troncoso Cotal, Rodrigo; Gabrielli, Luigi; Chiong Lay, Mario (Frontiers Media, 2021)
      IL-6 is usually described as a pleiotropic cytokine produced in response to tissue injury or infection. As a pro-inflammatory cytokine, IL-6 activates innate and adaptative immune responses. IL-6 is released in the innate ...
    • Moffat, Ricardo; Cáceres, Cristian; Tapia, Eugenia (MDPI, 2021)
      In underground mining, the design of rock pillars is of crucial importance as these are structures that allow safe mining by maintaining the stability of the surrounding excavations. Pillar design is often a complex task, ...
    • Montecino, Viviana; Bahamonde, Nibaldo; Vásquez, Julio A. (Univ. Valparaíso Facultad Ciencias Mar Recursos Naturales, Chile, 2021)
      Alfredo Llaña Garín, Profesor de Estado en Ciencias Biológicas y Química de la Universidad de Chile (1937), es el precursor del estudio de las algas marinas en Chile. Esta reseña recuerda sus inicios, su pionera investigación ...
    • Inzulza Contardo, Jorge; Gatica Araya, Paulina; Easton Vargas, Gabriel; Pérez Tello, Sonia (Univ. Bio-Bio, Dept. Planificación & Diseño, Chile, 2021)
      Santiago ha experimentado en sus últimas décadas un aumento considerable de áreas urbanizadas en el piedemonte de su borde oriente, donde además se localiza la Falla San Ramón (FSR), de modo que se ha vuelto un nuevo ...
    • Arrieta Leiva, Eduardo Patricio; Tapia, Camila; Rodríguez, Carolina (MDPI, 2021)
      Pollution due to acidic and metal-enriched waters affects the quality of surface and groundwater resources, limiting their uses for various purposes. Particularly, manganese pollution has attracted attention due to its ...
    • Esterio Grez, Marcela; Osorio Navarro, Claudio; Azócar, Madeleine; Copier, Charleen; Rubilar, Mauricio; Pizarro, Lorena; Auger Saavedra, Jaime (Mediterranean Phytopathological Union, Italy, 2021)
      Disease management programmes in Chilean table grape vineyards use the hydroxyanilide fenhexamid as a pivotal fungicide for Botrytis cinerea control. However, fenhexamid-resistant populations of this pathogen have ...
    • Vargas Mora, Pablo; Orlandi, Diego; Araya Bertucci, María Irene; Morales Huber, Claudia (Elsevier, 2021)
      A 55-year-old male presented with an eight-month history of erythematous papules and plaques with demarcated areas of spared skin on his trunk, upper extremities, neck, and face. Grover's disease is a rare, acquired disorder ...
    • Garrido Flores, Carlos; Morales, Diego; Saldías, María Paz; Fernández, Christian; Villalobos, Verónica; Cerda Arancibia, Óscar; Cáceres Lluch, Mónica (BMC, 2021)
      Background This study aimed to evaluate the biological response of human apical papilla cells to different calcium hydroxide formulations and three tricalcium silicate-based materials. Methods Primary cells were obtained ...
    • Miranda Miranda, Jenniffer K.; Rojas Rojas, Carolina Andrea; Crockett, Marcelo; Azócar, Estrella (Univ. Murcia, 2021)
      Growing up in the context of gender-based intimate partner violence (IPV) has been associated with mental health problems in children yet little is known about IPV effects on children from their own point of view. The aim ...
    • Sapiains Arrué, Rodolfo; Azócar de la Cruz, Gabriela Alejandra; Ugarte Caviedes, Ana María; Romero Hernández, Javier Alberto (Univ. Autónoma Estado México, 2021)
      Not much research has been carried out in Latin America on the human dimensions of climate change. An audience segmentation study was conducted in Chile to explore different perspectives about this issue, using data from ...
    • Arenas Cavalli, José Tomás; Abarca, Ignacio; Rojas Contreras, Maximiliano; Bernuy, Fernando; Donoso Rojas, Rodrigo (Springer Nature, 2021)
      Objective To evaluate the accuracy and validity of an automated diabetic retinopathy (DR) screening tool (DART, TeleDx, Santiago, Chile) that uses artificial intelligence to analyze ocular fundus photographs for potential ...
    • Pesoa, Susana A.; Portela, Néstor; Fernández, Eduardo; Elbarcha, Osvaldo; Gotteland, Martin; Magne, Fabien (Nature, 2021)
      Accumulating evidence suggests that various genetic and environmental factors contribute to the development of obesity. Among the latter, the gut microbiota has emerged as a critical player in the regulation of human ...
    • Ferreira de Oliveira, Julia Raso; Varallo, Fabiana Rossi; Jirón Aliste, Marcela; De Lima Ferreira, Iahel Manon; Siani Morello, Manuela Roque; Lopes, Vinicius Detoni; Leira Pereira, Leonardo Regis (Cadernos Saude Publica, Brasil, 2021)
      The consumption of psychotropic drugs is considered a public health problem, due to the potential for addiction and the occurrence of adverse events. In this context, the current study aimed to characterize the consumption ...
    • Toro Pérez, Javier; Rodrigo Salinas, Ramón (Taylor & Francis, 2021)
      Background The extent of the damage following surgery has been subject of study for several years. Numerous surgical complications can impact postoperative quality of life of patients and even can cause mortality. ...
    • Goic Figueroa, Marcel; Bozanic Leal, Mirko Slovan; Badal, Magdalena; Basso Sotz, Leonardo (Public Library Science, 2021)
      By early May 2020, the number of new COVID-19 infections started to increase rapidly in Chile, threatening the ability of health services to accommodate all incoming cases. Suddenly, ICU capacity planning became a first-order ...
    • Coeffe Boitano, Beatriz; Urrutia Muñoz, Juan Pablo (Redfundamentos, España, 2021)
      Architecture biennials, heirs to art exhibitions, are challenged in the 21st century to meet mass audiences. Including in the title the word "citizen" is not synonym of openness, thus the proposal of the last Chilean ...
    • Venegas Salazar, Sebastián Nicolás; Yutronic Sáez, Nicolás; Kogan, Marcelo J.; Jara Vergara, Paul (MDPI, 2021)
      This article describes the synthesis and characterization of beta-cyclodextrin-based nano-sponges (NS) inclusion compounds (IC) with the anti-tumor drugs melphalan (MPH) and cytoxan (CYT), and the addition of gold nanoparticles ...
    • Krall Opazo, Paola; Yáñez, Dominique; Rojo, Angélica; Delucchi Bicocchi, María Angela; Córdova, Miguel; Morales, Jorge; Boza, Pía; Rivera, Alonso de la; Espinoza, Natalie; Armijo, Natalia; Castañeda, Luis E.; Farfán Urzúa, Mauricio; Salas, Carolina (Frontiers Media, 2021)
      Background: Tacrolimus (TAC) and mycophenolic acid (MPA) are the main immunosuppressive drugs used in pediatric kidney transplantation. Single nucleotide polymorphisms (SNPs) in metabolizing enzymes and transporters might ...