Browsing by Title Facultad de Ciencias
Now showing items 5758-5777 of 8178
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(Universidad de Chile, 2006)La enfermedad de Alzheimer CIA) es un desorden neurodegenerativo que se caracteriza por dos tipos de agregados proteicos: extracelulares (lacas seniles) e intracelulares (ovillos neurofibrilares, ONF). Los ONF están ...
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(Universidad de Chile, 2023)Los metales son elementos esenciales para el desarrollo celular y el funcionamiento adecuado de todos los organismos. El cobre, cobalto, hierro, entre otros, desempeñan funciones cruciales en procesos como la síntesis de ...
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Participación de una Ca2+-ATPasa en la remoción de Ca2+ de los cilios de las neuronas olfatorias (Universisdad de Chile, 2008)En este trabajo de tesis se investigo si hay una Ca2+-ATPasa de membrana plasmática (PMCA) expresándose en los cilos olfatorios y si esta participa en la extracción del Ca2+ desde el lumen luego de producirse un incremento ...
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(Universidad de Chile, 2010)
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(Universidad de Chile, 2004)La enfermedad de Alzheimer (EA) es una patología multifactorial que, de acuerdo a recientes investigaciones, se genera como resultado de una serie de cambios moleculares y celulares que incluyen la formación de agregados ...
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(Universidad de Chile, 2008)Desde su sitio de síntesis, en los ribosomas, hasta su lugar de destino, en la membrana, Las proteínas de la membrana plasmática (MP) son transportadas en vesículas que atraviesan varias y complejas estructuras membranosas ...
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(Universidad de Chile, 2004)
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(PERGAMON-ELSEVIER SCIENCE LTD, 2010-01-01)Small animals need efficient water conservation mechanisms for survival and reproduction, which is relevant for the spiders that have large book lungs with large respiratory surface. If lung evaporation is relevant to ...
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(1972)Absorption spectral, circular dichroic spectral, and viscosity measurements indicate that the compact low-spin conformation characteristic of native cytochrome c is quantitatively recovered from its extended high-spin ...
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(1996)A theoretical evaluation of inelastic transition amplitudes corresponding to collisions between low-energy electrons (up to 5 eV) and small metallic clusters is presented. The target is excited into a particle-hole state ...
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(Blackwell Publishing Ltd, 2011)An electrostatic parallel particle-in-cell (EPPIC) code that allows for particle beam injections and multiple boundary conditions is used to investigate the beam-plasma interaction and its manifestations in the incoherent ...
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(Springer, 2017-06)This study analyzed air quality in terms of the concentrations of sub-10 mu m (PM10) and sub-2.5 mu m particulate matter (PM2.5) recorded at 23 automated public monitoring stations located in 16 cities in south-central ...
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Particulate matter levels in a South American megacity: the metropolitan area of Lima-Callao, Peru (Springer International Publishing, 2017)© 2017, Springer International Publishing AG. The temporal and spatial trends in the variability of PM10 and PM2.5 from 2010 to 2015 in the metropolitan area of Lima-Callao, Peru, are studied and interpreted in this work. ...
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(Public Library Science, 2020)Aim Exotic species' introductions together with extinction of native species represent the main mechanisms driving biotic homogenization of freshwater fish assemblages around the world. While generally ichtyofaunistic ...
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(Geological Soc Amer, 2015)Volcan Chaitan (southern Chile, similar to 43 degrees S) initiated an historically unprecedented eruption in A.D. 2008, surprising the local inhabitants, Chilean and Argentine authorities, and the geologic community. ...
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(Company of Biologists, 2018)Coordinated cell polarization in developing tissues is a recurrent theme in multicellular organisms. In plants, a directional distribution of the plant hormone auxin is at the core of many developmental programs. A feedback ...
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(Blackwell, 2010)For sexual selection to operate in monogamous species, males of poor quality in some factor like age, ornamentation, condition or aggressiveness, should lose paternity compared with higher quality males. We tested this ...
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(2011)Background: Feeding habits and dietary nutritional content may play a key role in pathogendependent foraging ecology, because mounting an effective immune response is costly for the host. Hypothesis: Since immune defence ...
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(American Association Advancement Science, 2020)Although it is well established that microbial infections predispose to autoimmune diseases, the underlying mechanisms remain poorly understood. After infection, tissue-resident memory T (T-RM) cells persist in peripheral ...
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(Universidad de Chile., 2019-06)A nivel global se ha documentado patrones de riqueza de hongos asociado a las condiciones edáficas y al clima actual, la cual varía según el grupo trófico. De los 18 Órdenes pertenecientes a la Clase Agaricomycetes; ...