Universidad San Sebastián (Chile): últimos ingresos
Mostrando ítems 661-680 de 2845
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Enfoque teórico del crecimiento físico de niños y adolescentes
(2016)According to their genetic potential, biological characteristics and environmental factors, the study of physical growth allows us to understand the variability of this process in humans. Extrinsic and intrinsic factors ... -
Densidad mineral ósea en una muestra de jóvenes chilenos practicantes de diversas modalidades deportivas
(2017)Objectives: a) to compare bone mineral density of a sample of young Chilean practitioners of various sports and modalities b) to analyze the bone mineral density function of biological maturation. Methods: We studied 146 ... -
Aptitud física en niños y adolescentes categorizados por nivel de masa grasa
(2022-07-01)Physical fitness is one of the important health markers as a predictor of cardiovascular disease mor-bidity and mortality. Objectives: To evaluate the relationship between fat mass with anthropome-tric indicators and, ... -
Association between adiposity levels and cognitive impairment in the Chilean older adult population
(2019)Although both obesity and ageing are risk factors for cognitive impairment, there is no evidence in Chile on how obesity levels are associated with cognitive function. Therefore, the aim of the present study was to investigate ... -
Comparación entre el auto-reporte de actividad física y la medición con acelerómetro según factores sociodemográficos
(2020-08)Introduction: Determining level of physical activity (PA) can be done with objective measurement, through accele-rometer, or by subjective measurement through self-report questionnaire. The aim of this study was to compare ... -
Improving load frequency control performance in interconnected power systems with a new optimal high degree of freedom cascaded FOTPID-TIDF controller
(2023)The low inertia of electrical power networks as renewable energy penetration levels increase is regarded as a significant issue confronting worldwide ambitions for the anticipated renewable energy transition. Load frequency ... -
A Novel Preanalytical Strategy Enabling Application of a Colorimetric Nanoaptasensor for On-Site Detection of AFB1 in Cattle Feed
(2022-12)Aflatoxin contamination of cattle feed is responsible for serious adverse effects on animal and human health. A number of approaches have been reported to determine aflatoxin B1 (AFB1) in a variety of feed samples using ... -
Marine plastic debris in Central Chile : Characterization and abundance of macroplastics and burden of persistent organic pollutants (POPs)
(2020-03)In this study, we characterized plastic debris (PD) found on beaches from Concepción Bay in central Chile during spring 2017 and summer 2018. The identification of polymers was carried out using FT-IR. Persistent organic ... -
Nonpharmacologic Interventions for Family Caregivers of People Living With Dementia in Latin-America : A Scoping Review
(2022-08)Objective: Dementia prevalence in Latin America (LATAM) is rapidly increasing, contributing to significant family burden. As families are responsible for care, supportive interventions are critical. To understand the ... -
Relación entre índices antropométricos de salud con el consumo de alimentos en adultos mayores físicamente activos
(2017)Introduction: Programs focused on active aging do not always have actions to guide the elderly about healthy eating. Therefore, the concordance between the feeding habits and the morphological characteristics of this ... -
Introduction, expansion and coexistence of epidemic Flavobacterium psychrophilum lineages in Chilean fish farms
(2014)Chile is one of the countries where the development of salmonid farming has been the most successful. The first importation of salmonids in Chile from the northern hemisphere dates back to the late 19th century and the ... -
Cytosolic phosphoenolpyruvate carboxykinase is expressed in α-cells from human and murine pancreas
(2020-01-01)The pancreatic islets of Langerhans, mainly formed by glucagon-producing α-cells and insulin-producing β-cells, are critical for glucose homeostasis. Insulin and glucagon oppositely modulate blood glucose levels in health, ... -
Epidermal growth factor inhibits cytoskeleton-related changes in the surface of parietal cells
(1981)The effect of epidermal growth factor (EGF) on gastric acid secretion was correlated with the morphological changes of the apical pole of rat parietal cells studied by transmission electron microscopy. Gastric acid secretion ... -
Isolation, identification and characterization of highly tellurite-resistant, tellurite-reducing bacteria from Antarctica
(2014-03)The tellurium oxyanion, tellurite, is extremely noxious to most living organisms. Its toxicity has been mainly related to the generation of reactive oxygen species (ROS) as well as to an unbalancing of the thiol:redox ... -
Human Placental Intracellular Cholesterol Transport : A Focus on Lysosomal and Mitochondrial Dysfunction and Oxidative Stress
(2022-03)The placenta participates in cholesterol biosynthesis and metabolism and regulates ex-change between the maternal and fetal compartments. The fetus has high cholesterol requirements, and it is taken up and synthesized at ... -
Insulin receptor isoforms : An integrated view focused on gestational diabetes mellitus
(2016-05-01)The human insulin receptor (IR) exists in two isoforms that differ by the absence (IR-A) or the presence (IR-B) of a 12-amino acid segment encoded by exon 11. Both isoforms are functionally distinct regarding their binding ... -
Determinación de la morfología de la raíz mesial y la frecuencia del canal mb2 en molares maxilares usando tomografía computadorizada de haz cónico
(2015-12)The aim of this study was to assess the morphology of the mesial root canal system of maxillary molars and the frequency of MB2 canals using cone-beam computed tomography (CBCT). A total of 1374 teeth, first maxillary (1MS, ... -
Interplay between the autophagy-lysosomal pathway and the ubiquitin-proteasome system : A target for therapeutic development in alzheimer’s disease
(2018-05-09)Alzheimer’s disease (AD) is the most common cause of age-related dementia leading to severe irreversible cognitive decline and massive neurodegeneration. While therapeutic approaches for managing symptoms are available, ... -
Efectos negativos en la investigación y el quehacer médico en Chile de la Ley 20.584 y la Ley de Neuroderechos en discusión : La urgente necesidad de aprender de nuestros errores
(2021-03)Recently, the Chilean Senate approved the main ideas of a constitutional reform and a Neuro-rights bill. This bill aims to protect people from the potential abusive use of "neuro-technologies". Unfortunately, a literal ...