Browsing by Title Artículos de revistas
Now showing items 1924-1943 of 4966
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(The American Association of Immunologists, 2008)Autoantibody neuromyelitis optica-IgG (NMO-IgG) recognizing aquaporin-4 (AQP4) is implicated as playing a central role in the physiopathology of NMO. The aim of this in vitro-based study was to characterize functional ...
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(2012)The carotid bodies (CBs) are chemosensory organs that respond to hypoxemia with transmitter neurosecretion, leading to a respiratory reflex response. It has been proposed that acetylcholine is a key regulator of transmitter ...
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(1995)Tau proteins play major regulatory roles in the organization and integrity of the cytoskeletal network. In neurons, a specific axonal compartmentalization of tau has been shown. However, recent studies demonstrate that tau ...
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(Oxford university press, 2017)Low pollinator visitation in harsh environments may lead to pollen limitation which can threaten population persistence. Consequently, avoidance of pollen limitation is expected in outcrossing species subjected to habitually ...
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(Springer Verlag, 2017)© 2017, Springer-Verlag Berlin Heidelberg. The activation mechanism of dopamine receptors is unknown. The amino acids S5.42, S5.43, and S5.46 located in helix 5 appear to be crucial, but their specific roles in receptor ...
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(2007)2,5-Dimethoxy-4-substituted phenylisopropylamines and phenethylamines are 5-hydroxytryptamine (serotonin) (5-HT)(2A/2C) agonists. The former are partial to full agonists, whereas the latter are partial to weak agonists. ...
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(The American Society for Pharmacology and Experimental Therapeutics, 2007-02-28)2,5-Dimethoxy-4-substituted phenylisopropylamines and phenethylamines are 5-hydroxytryptamine (serotonin) (5-HT)2A/2C agonists. The former are partial to full agonists, whereas the latter are partial to weak agonists. ...
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(COLD SPRING HARBOR LAB PRESS, 2010-05-25)Recent studies of the genome architecture of vertebrates have uncovered two unforeseen aspects of its organization. First, large regions of the genome, called gene deserts, are devoid of protein-coding sequences and have ...
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(ELSEVIER, 2008-08-29)Organochlorine pesticide endosulfan has been detected for the first time by using surface-enhanced Raman scattering (SERS) at trace concentrations. The bis-acridinium dication lucigenine was successfully used as a molecular ...
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(TAYLOR & FRANCIS, 2006)The functionalization of bentonite by intercalation of surfactants dodecylamine, hexadecylamine, octadecylamine, and the octadecyltrimethylammonium cation is described. Products are characterized by elemental analysis, ...
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(MDPI, 2021)Gold nanostars (AuNSs) exhibit modulated plasmon resonance and have a high SERS enhancement factor. However, their low colloidal stability limits their biomedical application as a nanomaterial. Cationic beta-cyclodextrin-based ...
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(Elsevier B.V., 2006-08-22)This work explores the functionalization of an organic–inorganic MoS2 lamellar compound, prepared by a chemical liquid deposition method (CLD), that has an interlamellar distance of 5.2 nm, using clusters of gold ...
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(Elsevier, 2016)Darwin's naturalization hypothesis suggests that the success of an invasive species will be lower when colonizing communities are formed by phylogenetically related rather than unrelated species due to increased competition. ...
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(Elsevier Masson SAS, 2016)© 2015 Institut Pasteur.Darwin's naturalization hypothesis suggests that the success of an invasive species will be lower when colonizing communities are formed by phylogenetically related rather than unrelated species due ...
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(1991)Investigation of five further Chilean Senecio species afforded, in addition to known compounds, four new furoeremophilanes, four eremophilanes, a germacratrienol and an acylpyrrol derivative. Structures were elucidated by ...
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(1991)In addition to known compounds, a new furoeremophilane and two pairs of epimeric acetals with an eremophilane skeleton have been isolated from Senecio pachyphyllos. The structures were elucidated by high field 1H NMR ...
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(1992)The aerial parts of Gutierrezia resinosa gave 15 new diterpenes including 12 labdanes and three nerylgeraniol derivatives. The structures were elucidated by high field NMR spectroscopy. © 1992.
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(2007)The Fukui function, hardness, and other reactivity indices defined in the context of the Kohn-Sham scheme have been further examined following up previous developments. An equation analogue to the Berkowitz-Parr relationship ...
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(Royal Pharmaceutical Society, 2013-04-11)The chemical study of a dichloromethane extract from Azorella compacta was directed to the isolation of characteristic mulinane and azorellane diterpenoids in order to determine their gastroprotective activity. Methods ...
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(NLM (Medline), 2019)The chemical reactivity of the first- and second-generation Grubbs catalysts has always been a significant issue in olefin metathesis. In the present work, we study the [2+2] cycloreversion/cycloaddition and the alkylidene ...
