Artículos de revistas: Recent submissions
Now showing items 1801-1820 of 4968
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(2013)A comprehensive study of the phylogeography and population genetics of the largest wild artiodactyl in the arid and cold-temperate South American environments, the guanaco (Lama guanicoe) was conducted. Patterns of molecular ...
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(2012)Background:Aloe vera, a plant with crassulacean acid metabolism naturally adapted to water deficit, was introduced in the semi-arid regions of Chile in 1999.Aims: Our objective was to evaluate how A. vera scavenged the ...
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(AOAC International, 2012)The method was approved by the Expert Review Panel on Strategic Foods Analytical Methods as First Action. See "Standards News," (2012) Inside Laboratory Management, March/April issue. The AOAC Stakeholder Panel on Strategic ...
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(2012)The mechanism of the intramolecular Diels-Alder (IMDA) reaction of benzoquinone 1, in the absence and in the presence of three water molecules, 1w, has been studied by means of density functional theory (DFT) methods, using ...
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(2012)Increasing research has attempted to clarify the links between animal personality and physiology. However, the mechanisms driving this association remain largely unknown, and knowledge of how ecological factors may affect ...
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(2012)Paradoxically, in eukaryotic cells, hydrogen peroxide (H2O 2) accumulates in response to oxygen deprivation (hypoxia). The source of H2O2 under hypoxia varies according to the species, organs, and tissue. In nonphotosynthetic ...
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(2012)Paleogene records of birds in the Eastern margin of the Pacific Ocean have increased in recent years, being almost exclusively restricted to fossil Sphenisciformes (penguins). New avian remains (Ornithurae, Neornithes) ...
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(2013)In flooded habitats, inundations affect important forest regeneration processes, such as seed dispersal and germination. The main seed dispersal mechanism used by species in Austral South American temperate swamp and ...
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(2012)Phylogenetic diversity (PD) is commonly calculated by adding together the branch lengths or ages of a subset of taxa present in an area, using a single phylogeny as a backbone. However, a phylogenetic hypothesis is the ...
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(2012)Folding studies have been focused mainly on small, single-domain proteins or isolated single domains of larger proteins. However, most of the proteins present in biological systems are composed of multiple domains, and to ...
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(2012)We examine localization of light in nonlinear (Kerr) kagome lattices in the shape of narrow strips of varying width. For the narrowest ribbon, the band structure features a flat band leading to linear dynamical trapping ...
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(2012)In this Letter we present a new probe, 2-amino-3-hydroxy-2-(hydroxymethyl) propyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl)acetate (PMR), which can reversibly detect mercuric ions (Hg 2+) in HEPES buffer under physiological ...
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(2012)We study particle current in a recently proposed model for coherent quantum transport. In this model, a system connected to mesoscopic Fermi reservoirs (meso-reservoir) is driven out of equilibrium by the action of ...
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(2012)Background: Antarctica has been successfully colonized by microorganisms despite presenting adverse conditions for life such as low temperatures, high solar radiation, low nutrient availability and dryness. Although these ...
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(2012)Many intertidal rocky habitats of the Chilean coast were dominated by the dark green thalli of a mat-forming Codium. This green seaweed was ecologically important because it formed a permanent belt by coalescence between ...
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(Sociedad Chilena de Quimica, 2013)Novel bimetallic Au/Ag superstructures have been prepared from solid-state pyrolysis of the macromolecular complexes Chitosan(MLn/M'Ln)n y PSP- 4-PVP×( MLn/M'Ln)n with MLn = AuCl3 and M'Ln = Ag(CF3SO3). The characterization ...
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(2012)The antimicrobial effect of incorporating silver nanoparticles (AgNps) into zirconia matrix-polyether glycol was studied. AgNps of 4-6 nm in size were synthesized using the inverse micelles method, and different doses of ...
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Is top-down control by predators driving insect abundance and herbivory rates in fragmented forests? (2012)The effects of forest fragmentation on ecological interactions and particularly on food webs have scarcely been analysed. There is usually less herbivory in forest fragments than in continuous forests. Here we hypothesize ...
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(2012)Neurogenesis continues in the adult brain and in the adult olfactory epithelium. The cytokine, leukaemia inhibitory factor and nitric oxide are both known to stimulate neuronal progenitor cell proliferation in the olfactory ...
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(2012)Xanthophyllomyces dendrorhous is a natural source of astaxanthin, a carotenoid widely used in the food industry. In this yeast, astaxanthin is synthesized from β-carotene by a cytochrome P450, CrtS, which depends on CrtR, ...
