Artículos de revistas: Publicaciones electrónicas recientes
Mostrando registros 4801-4820 de 4970
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(2007)Long-term potentiation (LTP) is an activity-dependent strengthening of synapses that is thought to underlie memory storage. Ca2+/ calmodulin-dependent protein kinase II (CaMKII) has been a leading candidate as a memory ...
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(2007)A vibrational study of the calix[4]arene derivative 25,26,27,28-tetracarboethoxy-p-tert-butylcalix[4]arene (TCEC) is accomplished in this work. This characterization implies a study of its adsorption on metal (Cu and Ag) ...
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(2007)Brain-derived neurotrophic factor (BDNF) and its receptor TrkB are essential regulators of synaptic function in the adult CNS. A TrkB-mediated effect at excitatory synapses is enhancement of NMDA receptor (NMDA-R)-mediated ...
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(2007)We discuss the formation of guided modes localized at the interface separating two different periodic photonic lattices. Employing the effective discrete model, we analyze linear and nonlinear interface modes and also ...
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(2007)Dendritic cells (DCs) are professional antigen presenting cells with the ability to induce and regulate an immune response. DCs that capture and present antigen under noninflammatory conditions maintain an immature phenotype ...
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(2007)Fossombronia valparaisiana Hassel sp. nov. and F. lophoscypha Hassel sp. nov. from the vicinity of Valparaiso (Chile) are described and the spores and elaters are illustrated. No species with spiniferous or verrucose spores ...
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(2007)Mechanosensory hair cells are essential for audition in vertebrates, and in many species, have the capacity for regeneration when damaged. Regeneration is robust in the fish lateral line system as new hair cells can reappear ...
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(2007)Knowledge of lymphocyte migration has become a major issue in our understanding of acquired immunity. The selective migration of naive, effector, memory and regulatory T-cells is a multiple step process regulated by a ...
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(2007)Expression of peroxidase (Prx) RNA transcripts was studied in grapevine cv. Thompson seedless through use of semi-quantitative RT-PCR. In roots, the three Vitis vinifera Prx ESTs, reported in the genomic facility database ...
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(2007)A bidimensional cellular automaton model is used to simulate the process of evacuation of pedestrians in a room with fixed obstacles. A floor field is defined so that moving to a cell with lower floor field means approaching ...
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(2007)Transgenerational maternal effects on performance (r(m)) after host transfer were evaluated in the generalist aphid Myzus persicae s.s., and in its subspecies specialized on tobacco, M. persicae nicotianae Blackman. We ...
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(2007)We study the transport of atoms across a localized Bose-Einstein condensate in a one-dimensional optical lattice. For atoms scattering off the condensate, we predict total reflection as well as full transmission for certain ...
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(2007)Habitat fragmentation reduces frugivorous bird abundance. Such a reduction may lead to a reduction in seed dispersal, thereby compromising seedling recruitment rate with far reaching consequences for plant population ...
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(2007)An ordered self-assembly of gold nanoparticles (AuNPs) onto microcrystal faces of a 2 alpha-cyclodextrin-dodecanethiol (2 alpha CD-DDT) inclusion compound (IC) by means of a magnetron sputtering technique was obtained. The ...
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(2007)The electronic structure and properties of a silabenzene series have been studied using a bifurcation analysis of the sigma and pi separated new electron localization functions, ELF. In all studied molecules a strong pi ...
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(2007)In the area off central-south Chile (34-40 degrees S), a new period of high abundance of Dosidicus gigas has occurred since 2001. The seasonal changes in length structure and reproductive condition of D. gigas in oceanic ...
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(2007)PGE(2) is involved in a wide variety of physiological and pathological processes; however, deciphering its role in early Mammalian development has been difficult due to the maternal contribution of PGE(2). To overcome this ...
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(2007)We report the comparative structural-vibrational study of nanostructures of nanourchins, nanotubes, and nanorods of vanadium oxide. The tube walls comprise layers of vanadium oxide with the organic surfactant intercalated ...
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(2007)The mechanical behavior of a supersolid is studied in the framework of a fully explicit model derived from the Gross-Pitaevskii equation without assuming any defect or vacancy. A set of coupled nonlinear partial differential ...
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(2007)Evidence from several areas of neuroscience has led to the notion that copper and zinc could be modulators of neuronal excitability. In order to contribute to test this idea, we characterized the changes induced by these ...
