Artículos de revistas: Recent submissions
Now showing items 4361-4380 of 4968
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(WILEY-BLACKWELL, 2009-07)The posterior lateral line (PLL) of zebrafish comprises seven to eight sense organs at the end of embryogenesis, arranged in a single antero-posterior line that extends along the horizontal myoseptum from the ear to the ...
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(BIOMED CENTRAL LTD, 2009-11-30)Background: The lateral line system in zebrafish is composed of a series of organs called neuromasts, which are distributed over the body surface. Neuromasts contain clusters of hair cells, surrounded by accessory ...
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(WILEY-LISS, DIV JOHN WILEY & SONS INC, 2009-09-02)Cellular nucleic acid binding protein (CNBP) is a strikingly conserved zinc-finger nucleic acid chaperone required for forebrain development. Its depletion causes forebrain truncation mainly as a consequence of a reduction ...
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(SPRINGER, 2007-09-09)Demographic responses of a commensal annelid of freshwater crayfish, Stratiodrilus aeglaphilus, to a sublethal organic enrichment were tested. Censuses of the S. aeglaphilus population were performed every 3 days during ...
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(CAMBRIDGE UNIV PRESS, 2009-01-20)Studies of recruitment dynamics in meroplanktonic organisms are dependent on the correct identification of each ontogenic stage of each species. This is particularly difficult when studying the larval stages, which are ...
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(PUBLIC LIBRARY SCIENCE, 2008-10-03)Background: Comparative morphology identifies the digits of the wing of birds as 1,2 and 3, but they develop at embryological positions that become digits 2, 3 and 4 in other amniotes. A hypothesis to explain this is that ...
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(Asociación para la comunicación científica y humanística Nexociencia, 2008-06)
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(AMER INST PHYSICS, 2008-07-21)We describe a simple method to control a known unstable periodic orbit UPO in the presence of noise. The strategy is based on regarding the control method as an optimization problem, which allows us to calculate a ...
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(ELSEVIER SCIENCE INC, 2007-06-02)Following leaf infection with the tobacco mosaic virus (TMV), Nicotiana species that carry the disease resistance N gene develop a hypersensitive response (HR) that blocks the systemic movement of the virus. TMV-sensitive ...
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(Sociedad de Biología de Chile, 2008-03-03)This paper describes a notable convergence between biological organization and programming language abstractions. Our aim is to explore possibilities of cross-fertilization, at both conceptual and empirical levels, towards ...
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(ICME, México, 2008)The role of metaphors and the switch in cognitive modes in relation to visualization in learning and teaching mathematics is discussed, based on examples and case studies with students and teachers. We present some preliminary ...
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(TAYLOR & FRANCIS LTD, 2007-10-23)The family Trimusculidae produce labdane diterpenes, which differ in the degree and type of esterification with acetoxy and isovaleroyl ester, predominantly. In this article, we describe the isolation from the marine ...
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(CRIA. Centro de Referência em Informação Ambiental, 2008-12)
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(NEOTROPICAL ORNITHOLOGICAL SOC, 2007-12-02)Hummingbirds are confronted with an osmoregulatory dilemma: when feeding, their high rates of water intake require them to eliminate ingested water quickly; yet, during fasts, their capacity to eliminate water makes them ...
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(BioMed Central, 2008-09-15)Background: Developmental effects of exposure to endocrine disruptors can influence adult characters in mammals, but could also have evolutionary consequences. The aim of this study was to simulate an environmental ...
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(UNIV CHICAGO PRESS, 2008-11-01)Lactation is the most energetically demanding period in the life cycle of female mammals, and its effects on digestive flexibility and the size of internal organs have been extensively studied in laboratory mice and ...
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(TAYLOR & FRANCIS LTD, 2008-01-09)Continued investigation of the marine alga Laurencia claviformis has led to the isolation of pacifenol, a halogenated sesquiterpene as the major metabolite. The microbial transformation of pacifenol is reported. It was ...
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(WILEY-LISS, 2008-06-20)Oligodendrocytes form an insulating multilamellar structure of compact myelin around axons, which allows efficient and rapid propagation of action potentials. However, little is known about the molecular mechanisms ...
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(IOP Publishing Ltd, 2008)Production yield of the 67Ga (t 1 2 =78.3hr.)radionuclide was measured by the NatZn(p,x)67Ga reaction in the energy range from 1.6 to 2.5 MeV. These results are the first reported at energies under 3 MeV. The overall ...
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(WILEY-BLACKWELL PUBLISHING, 2008-06-02)Although nectar robbing is a common phenomenon in plant species with tubular flowers or flowers with nectar spurs, the potential effect of this illegitimate interaction on plant reproductive success has not received ...
