Facultad de Ciencias: Recent submissions
Now showing items 2581-2600 of 8184
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(Universidad de Chile., 2006)Las levaduras presentan gran importancia en procesos industriales, específicamente en la elaboración de alimentos y bebidas alcohólicas, siendo Saccharomyces cerevisiae una de las mas importantes. El uso de técnicas ...
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(Universidad de Chile, 2022)Los elementos transponibles (ETs) son uno de los componentes más abundantes en la cromatina. A pesar de esto, su participación como factores estructurales en la organización del genoma es una materia que no ha sido ...
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(Universidad de Chile., 2002)En las últimas décadas los sistemas fluviales han estado sometidos a demandas crecientes de agua y muchas veces a la pérdida de una de sus principales características, su calidad, fundamentalmente por las actividades que ...
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(Soc Biolgia Chile, 2021)The source of Darwin’s illness has been a contentious issue in the literature for almost 70 years. Different causal factors have been invoked to account for his symptoms, including Chagas disease. The Chagas hypothesis ...
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(Frontiers Media, 2021)The thymus is home to a significant number of resident B cells which possess several unique characteristics regarding their origin, phenotype and function. Evidence shows that they originate both from precursors that ...
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(IOP, 2022)A unification in terms of exact solutions for massless Klein-Gordon, Dirac, Maxwell, Rarita-Schwinger, Einstein, and bosonic and fermionic fields of any spin is presented. The method is based on writing all of the relevant ...
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(BMC, 2022)Background Alzheimer's disease is the most prevalent cause of dementia in the elderly. Neuronal death and synaptic dysfunctions are considered the main hallmarks of this disease. The latter could be directly associated to ...
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(Universidad de Chile., 2005)La urbanización trae como consecuencia la modificación del entorno natural lo que puede incidir en la sobrevivencia y abundancia de aves. La utilización de parámetros bioquímicos junto con la determinación del grado de ...
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(Universidad de Chile., 2018)El petróleo y el efecto causado en los ecosistemas ha sido una de las grandes problemáticas ambientales a nivel mundial. La Agencia de Protección ambiental de los Estados Unidos (USEPA) considera los hidrocarburos como ...
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(Royal Soc Chemistry, England, 2021)A theoretical study of the Mn trimer adsorbed on the noble metal surfaces Au(111) and Cu(111) is reported. The calculations were performed using first-principles methods within the density functional theory and the generalized ...
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(Universidad de Chile., 2019)Xanthophyllomyces dendrorhous es una levadura basidiomicete que sintetiza carotenoides, siendo el principal de ellos astaxantina. Esta característica la hace de gran interés comercial y objeto de numerosos estudios; ...
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Resistencia a radiación ultravioleta en la microbiota de Orestias ascotanensis y el Salar de Ascotán (Universidad de Chile, 2022)Chile es catalogado como una isla biogeográfica, debido a su alta variedad de climas, flora y fauna, por lo que se le considera como un laboratorio natural. Dentro de los ambientes únicos a lo largo del territorio se ...
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(European Mathematical Society, Suiza, 2022)Let q be a non-negative integer. We prove that a perfect field K has cohomological dimension at most q + 1 if, and only if, for any finite extension L of K and for any homogeneous space Z under a smooth linear connected ...
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(MDPI, 2022)To understand the factors that limit invasive expansion in alien species, it is critical to predict potential zones of colonization. Climatic niche can be an important way to predict the potential distribution of alien ...
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(Frontiers Media, 2022)Disruption of the inhibitory control provided by the glycinergic system is one of the major mechanisms underlying chronic pain. In line with this concept, recent studies have provided robust proof that pharmacological ...
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(Institute of Medical Research & Occupational Health, Croacia, 2022)We investigated the influence of local meteorological conditions and number of visitors on ambient particulate matter (PM) mass concentrations and particle fraction ratios at the Plitvice Lakes National Park between July ...
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(Frontiers Media, 2022)An experimental and computational methodology for the analysis of the Lewis acid/base responses of ionic liquids (ILs) and deep eutectic solvents (DES) is proposed. It is based on the donor and acceptor of the electronic ...
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(Universidad de Chile., 2022)Los invertebrados del océano Austral presentan una tendencia a mostrar estrategias de desarrollo directo o encapsulado que conllevan una baja capacidad de dispersión y una alta estructuración de sus poblaciones. Sin embargo, ...
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(MDPI, 2021)Water pollution by heavy metals has significant effects on aquatic ecosystems. Copper is one of the heavy metals that can cause environmental pollution and toxic effects in natural waters. This encourages the development ...
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(Elsevier, 2021)In the freshwater basins of central Chile, 28 exotic species have been introduced, which have contributed to increase taxonomic diversity. Nevertheless, how these species have modified the components of functional ...