Universidad San Sebastián (Chile): últimos ingresos
Mostrando ítems 961-980 de 2845
-
Astrocytes regulate brain extracellular pH via a neuronal activity-dependent bicarbonate shuttle
(2020-12-01)Brain cells continuously produce and release protons into the extracellular space, with the rate of acid production corresponding to the levels of neuronal activity and metabolism. Efficient buffering and removal of excess ... -
Hipótesis de conflicto en el cono sur : Chile ante Perú, 1968-1979
(2022)Many authors have argued that the countries of the Southern Cone almost went to war against one another in the decade of the 1970s due to the existence of military dictatorships in most of them. A tension existed between ... -
Optimal Frequency Control of Multi-Area Hybrid Power System Using New Cascaded TID-PIλDμN Controller Incorporating Electric Vehicles
(2022-10)Modern structures of electrical power systems are expected to have more domination of renewable energy sources. However, renewable energy-based generation systems suffer from their lack of or reduced rotating masses, which ... -
Adenosine receptors : Modulators of lipid availability that are controlled by lipid levels
(2017-06)Adenosine as well as agonists and antagonists for the four adenosine receptor subtypes (A1R, A2AR, A2BR and A3R) play a role in several key physiological and pathophysiological processes, including the regulation of vascular ... -
Percepción usuaria de beneficios en salud del Programa Más Adultos Mayores Autovalentes en el Servicio de Salud Metropolitano Norte
(2020-03)Background: The Program "Más Adultos Mayores Autovalentes" (Más AMA) started in 2015 as a strategy for the prevention of disability among older adults. Aim: To describe the health benefits, from user's perspective, of the ... -
Evolution of predicted acid resistance mechanisms in the extremely acidophilic Leptospirillum genus
(2020-04)Organisms that thrive in extremely acidic environments (≤pH 3.5) are of widespread importance in industrial applications, environmental issues, and evolutionary studies. Leptospirillum spp. constitute the only extremely ... -
A comparative analysis of tellurite detoxification by members of the genus Shewanella
(2018-03-01)The increasing industrial utilization of tellurium has resulted in an important environmental pollution with the soluble, extremely toxic oxyanion tellurite. In this context, the use of microorganisms for detoxifying ... -
Energy efficiency assessment of power electronic drivers and LED lamps in Li-Fi communication systems
(2021-11)Light-fidelity (Li-Fi) communication systems have gained increased concerns as new and alternative paradigm for wireless communications. Through the increased applications of light emitting diode (LED) lamps for lighting ... -
Cortisol/cortisone ratio and matrix metalloproteinase-9 activity are associated with pediatric primary hypertension
(2016-09-01)Objective: To identify novel biomarkers associated with pediatric primary hypertension. Methods: We recruited 350 participants (4-16 years). Anthropometric parameters and aldosterone, plasma renin activity, cortisol, ... -
Intranasal Cotinine Plus Krill Oil Facilitates Fear Extinction, Decreases Depressive-Like Behavior, and Increases Hippocampal Calcineurin A Levels in Mice
(2018-10-01)Failure in fear extinction is one of the more troublesome characteristics of posttraumatic stress disorder (PTSD). Cotinine facilitates fear memory extinction and reduces depressive-like behavior when administered 24 h ... -
Hexose Transporters in Cancer : From Multifunctionality to Diagnosis and Therapy
(2021-04)Cancer cells increase their metabolic activity by enhancing glucose uptake through overexpression of hexose transporters (Gluts). Gluts also have the capacity to transport other molecules besides glucose, including fructose, ... -
How Many Sirtuin Genes Are Out There? Evolution of Sirtuin Genes in Vertebrates With a Description of a New Family Member
(2023-02-01)Studying the evolutionary history of gene families is a challenging and exciting task with a wide range of implications. In addition to exploring fundamental questions about the origin and evolution of genes, disentangling ... -
Gold nanoparticle based double-labeling of melanoma extracellular vesicles to determine the specificity of uptake by cells and preferential accumulation in small metastatic lung tumors
(2020-01-23)Background: Extracellular vesicles (EVs) have shown great potential for targeted therapy, as they have a natural ability to pass through biological barriers and, depending on their origin, can preferentially accumulate at ... -
Edulcorantes no nutritivos, riesgos, apetito y ganancia de peso
(2013-09)Artificial sweeteners are substances that provide energy and are added to foods to provide sweetness, increasing the pleasure of eating. The aim of the following review is to report on the current literature regarding ... -
Isoflavonas de soya y evidencias sobre la protección cardiovascular
(2014)Soya isoflavones represent a group of non-nutritive, bioactive compounds, of non-steroidal phenolic nature that are present in soy bean and derived foods. They share with other compounds the capacity of binding to estrogenic ... -
Stability Enhancement of Battery-Testing DC Microgrid : An ADRC-Based Virtual Inertia Control Approach
(2022-11-01)Power batteries play a vital role in electric vehicle (EV) industry. To evaluate their charging and discharging performance and achieve energy recovery, a power accumulator battery testing system (PABTS) based DC-microgrid ... -
Ectoparasitas de Columbina passerina insularis (Columbiformes) no Parque Zoológico Nacional, Havana, Cuba
(2022)Ectoparasites of 18 free-living Cuban Ground Doves, Columbina passerina insularis (Columbiformes: Columbidae), captured in the National Zoological Park, Havana, Cuba, were identified. The collected ectoparasites included ... -
Effect of a proanthocyanidin-rich polyphenol extract from avocado on the production of amino acid-derived bacterial metabolites and the microbiota composition in rats fed a high-protein diet
(2019-07)The consumption of high-protein diets (HPDs) increases the flux of undigested proteins moving to the colon. These proteins are hydrolyzed by bacterial proteases and peptidases, releasing amino acids, which in turn are ... -
Las cualidades visuales de la forma efímera
(2020-07-01)Ephemeral architecture has been linked to assembling and dismantling procedures of exhibition halls and exhibition facilities, whose legacy remains in many cases reduced to photographic sequences or models. This work ...