Listar INVESTIGACIÓN por título
Mostrando ítems 281-300 de 2524
-
Biomineralization of lithium nanoparticles by Li-resistant Pseudomonas rodhesiae isolated from the Atacama salt flat
(SOC BIOLGIA CHILE, 2022-03)Background: The Atacama salt flat is located in northern Chile, at 2300 m above sea level, and has a high concentration of lithium, being one of the main extraction sites in the world. The effect of lithium on microorganism ... -
Biopolítica, necropolítica y pandemia. Notas sobre el neoliberalismo y la desigualdad social en Chile
(Chile. Universidad MayorUniversidad Bernardo O'Higgins (UBO). Centro de Estudios Históricos (CEH), 2021-07-31)El objetivo de este trabajo es reflexionar sobre algunos de los aspectos sociopolíticos y culturales que han ocurrido en Chile a raíz de la pandemia del Covid-19. Para ello se ha estructurado el texto en tres secciones. ... -
Biovera-Epi: A new database on species diversity, community composition and leaf functional traits of vascular epiphytes along gradients of elevation and forest-use intensity in Mexico
(PENSOFT PUBLISHERS, 2021-10-07)Background This data paper describes a new, comprehensive database (BIOVERA-Epi) on species distributions and leaf functional traits of vascular epiphytes, a poorly studied plant group, along gradients of elevation and ... -
BIOVERA-Tree: tree diversity, community composition, forest structure and functional traits along gradients of forest-use intensity and elevation in Veracruz, Mexico
(PENSOFT PUBLISHERS, 2021-09-09)Here, we describe BIOVERA-Tree, a database on tree diversity, community composition, forest structure and functional traits collected in 120 forest plots, distributed along an extensive elevational gradient in Veracruz ... -
Body Composition and Somatotype of Athletes in the Chilean Sport Talent Development Program
(Federación Española de Medicina del Deporte, 2023)Introduction: Determining the body composition and somatotype in sport talents provides a useful reference to improve the trajectory toward high-level competition. Objective: The aim of this study is to determine the body ... -
Boldine inhibits the alveolar bone resorption during ligature-induced periodontitis by modulating the Th17/Treg imbalance
(Chile. Universidad Mayor, 2020-06)Background During periodontitis, tooth-supporting alveolar bone is resorbed when there is an increased expression of the pro-osteolytic factor termed receptor activator of nuclear factor kappa B ligand (RANKL), which is ... -
Boldo, Its Secondary Metabolites and their Derivatives
(BENTHAM SCIENCE PUBL LTD, 2019)Boldo leaves (Boldo folium, from Peumus boldus Mol.) are very frequently used as a medicinal herb in Chile and are exported to many countries to be used in teas or as extracts included in herbal remedies, primarily as an ... -
Bolidophyceae, a Sister Picoplanktonic Group of Diatoms - A Review
(FRONTIERS MEDIA SA, 2018)Pico- and nano-phytoplankton (respectively, 0.2-2 and 2-20 mu m in cell size) play a key role in many marine ecosystems. In this size range, Bolidophyceae is a group of eukaryotes that contains species with cells surrounded ... -
Brazilian Study of Nutrition and Health (EBANS) - Brazilian data of ELANS: methodological opportunities and challenges
(ASSOC MEDICA BRASILEIRA, 2019)BACKGROUND: Epidemiological studies with dietary variables are complex methodologically, being the researcher responsible for anticipating, controlling, reducing and preventing methodological errors. Obesity accounts for ... -
Breaking language and cultural barriers: A case study in telecollaboration at an EFL class in higher education
(Universidad Católica de la Santísima Concepción. Facultad de Educación, 2021-04)This paper presents a case study of a telecollaboration program with students of an English Pedagogy Program at a private university in Chile. The aim is to analyze this experience through the opinions of the Chilean ... -
Breaking the optomechanical cooling limit by two drive fields on a membrane-in-the-middle system
(AMER PHYSICAL SOC, 2019)We present a theoretical scheme for ground-state cooling of a mechanical resonator in a membrane-in-themiddle optomechanical system (OMS) driven by two red-detuned drive fields. The details of dynamical evolution of OMS ... -
Bridging Inequality: Cooperative Learning Through Literature in Two Vulnerable Schools in Santiago
(Universidad Nacional de Colombia, 2020-07)This paper reports a qualitative action-research study on the use of cooperative learning through literature in two vulnerable English as a foreign language (EFL) classrooms in Chile. The study aimed at bridging EFL ... -
Building Pyridinium Molecular Wires as Axial Ligands for Tuning the Electrocatalytic Activity of Iron Phthalocyanines for the Oxygen Reduction Reaction
(AMER CHEMICAL SOC, 2018)We have been able to"tune"the electrocatalytic activity of iron phthalocyanine (FePc) and iron hexadodeca-chlorophthalocyanine (16(Cl)FePc) for the oxygen reduction reaction (ORR) by manipulating the"pull effect"of pyridinium ... -
Burnout levels and associated factors among Intensive Care Unit workers during the first wave of the COVID-19 pandemic in Chile: A cross-sectional study
(Medwave Estudios Limitada, 2023-09-27)Introduction: The COVID-19 pandemic resulted in an unpredictable healthcare crisis with a high psychological burden on healthcare workers. Objective: To evaluate burnout levels and their associated demographics and ... -
Bursting the unfolded protein response accelerates axonal regeneration
(CIENCIAS, 2016)Peripheral neuropathies refer to a group of conditions in which the peripheral nervous system (PNS) is damaged. These pathological state are are associated with weakness, pain, and loss of motor and sensory control. More ... -
Business Power and the Minimal State: The Defeat of Industrial Policy in Chile
(ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2019)Chile has maintained a limited industrial policy for nearly three decades. Policy resilience during the 2000s and 2010s is especially puzzling given the political and economic context: three Socialist-led administrations; ... -
c-Jun N-terminal kinase (JNK)-dependent internalization and Rab5-dependent endocytic sorting mediate long-distance retrograde neuronal death induced by axonal BDNF-p75 signaling
(NATURE PUBLISHING GROUP, 2019)During the development of the sympathetic nervous system, signals from tropomyosin-related kinase receptors (Trks) and p75 neurotrophin receptors (p75) compete to regulate survival and connectivity. During this process, ...