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Artículo
Glutathione biosynthesis in Arabidopsis trichome cells
(National Academy of Sciences, 2000)
In Arabidopsis thaliana, trichome cells are specialized unicellular structures with uncertain functions. Based on earlier observations that one of the genes involved in cysteine biosynthesis (Atcys-3A) is highly expressed ...
Artículo
Pre-requisitos ontogenéticos para la emergencia de relaciones simétricas
(Asociación de Análisis del Comportamiento (AAC), 2001)
Al trabajar con humanos usando discriminaciones condicionales se obtiene sistemáticamente la formación de clases de equivalencia. Sin embargo, no existen demostraciones inequí- vocas del desarrollo de este tipo de ...
Artículo
Site-directed Mutagenesis of Cytochromec 6 from Synechocystissp. PCC 6803
(Elsevier, 1999)
This paper reports the first site-directed mutagenesis analysis of any cytochrome c 6, a heme protein that performs the same function as the copper-protein plastocyanin in the electron transport chain of photosynthetic ...
Artículo
Homogeneous cooling state of a low-density granular flow
(American Physical Society, 1996)
The homogeneous cooling state of a granular flow of smooth spherical particles described by the Boltzmann equation is investigated by means of the direct simulation Monte Carlo method. The velocity moments and also the ...
Artículo
Late Holocene evolution of the southwestern Doñana National Park (Guadalquivir Estuary, SW Spain): A multivariate approach
(Elsevier, 2004)
Four phases are distinguished in the Late Holocene evolution of the southwestern Doñana National Park (SW Spain), based on a multidisciplinary analysis of the sediments present in drill cores. In the oldest phase (>2400-2500 ...
Artículo
Origin of density clustering in a freely evolving granular gas
(American Physical Society, 1999)
The physical mechanisms leading to the development of density inhomogeneities in a freely evolving low density granular gas are investigated. By means of the direct simulation Monte Carlo method, numerical solutions of the ...
Artículo
Experiments on pumping of liquids using arrays of microelectrodes subjected to travelling wave potentials
(IOP Publishing Ltd., 2008)
Net fluid flow of electrolytes driven on an array of microelectrodes subjected to a travelling-wave potential is presented. Two sizes of platinum microelectrodes have been studied. In both arrays, at low voltages the liquid ...
Artículo
Boundary conditions and normal state for a vibrated granular fluid
(American Physical Society, 2000)
The steady state of a fluidized granular system confined between a vibrating wall and a reflecting one is analyzed in detail. The relationship between the velocity of the wall and the hydrodynamic profiles is established. ...
Artículo
Excitation of multiple giant dipole resonances: From spherical to deformed nuclei
(Elsevier, 1999)
The effect of deformation on the excitation of multiple giant dipole resonances is studied. Analytical expressions are derived in the framework of the interacting boson model for the energies and E1 properties of giant ...
Artículo
Typification of two species of Vicia L. (Fabaceae) described by Boissier in N. Africa
(Palermo : Published under the auspices of OPTIMA by the Herbarium Mediterraneum Panormitanum, 1997)
Two species of Vicia subgen. Cracca from the S. W. Mediterranean, V. durandii Boiss, and V. momardii Boiss., are typified. The former name is referable to V. altissima Desf. and the other becomes the correct name for the ...