Browsing by Title Artículos de revistas
Now showing items 2476-2495 of 4968
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(Academic Press, 2015)©2015 Elsevier Ltd. All rights reserved. An experimental study of the solubility and of the thermodynamic properties of solvation, between temperatures (303 and 343) K and at pressures close to atmospheric, of 2methylpropane ...
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(1988)A reinvestigation of the aerial parts of Pleocarphus revolutus afforded, in addi tion to sesquiterpenes isolated previously, four new guaiane derivatives and four isocedrene derivatives, one of which is new. Furthermore, ...
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(1992)A new diterpenoid of mixed biogenesis; isoepitaondiol, has been isolated together with known diterpenoids and two chromones from the alga Stypopodium flabelliforme collected at Easter Island. © 1992.
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(Sociedad Española Ornitología, 2015)Eight novel microsatellites were isolated and characterised in the thorn-tailed rayadito Aphrastura spinicauda in order to evaluate genetic diversity in three contrasting populations, two of them at the boundaries of the ...
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(Humana Press, 2018)Double-stranded RNA (dsRNA) molecules are widely found in yeasts and filamentous fungi. It has been suggested that these molecules may play an important role in the evolution of eukaryote genomes and could be a valuable ...
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(2012)A total of ten microsatellite loci were isolated and characterized in the endangered freshwater catfish Trichomycterus areolatus from Chile. Samples from three separate watersheds were also analyzed. The mean number of ...
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(OXFORD UNIV PRESS, 2007)Phosphorus deficiency is one of the major nutrient stresses affecting plant growth. Plants respond to phosphate (Pi) deficiency through multiple strategies, including the synthesis of high-affinity Pi transporters. In this ...
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(1991)The genes encoding for the large (rbcL) and small (rbcS) subunits of ribulose-1,5-bisphosphate carboxylase (RuBisCO) were cloned from the obligate autotroph Thiobacillus ferrooxidans, a bacterium involved in the bioleaching ...
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(Public Library Science, 2016)Background Marine species have colonized extreme environments during evolution such as freshwater habitats. The amphidromous teleost fish, Galaxias maculatus is found mainly migrating between estuaries and rivers, but ...
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(WILEY-V C H VERLAG GMBH, 2008-05-16)The yeast Xanthophyllomyces dendrorhous is biotechnologically important due to its ability to produce the pigment astaxanthin, but is poorly understood at the genetic level. This is mainly because its preservation is ...
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Isolation, characterization, and biological activity of naphthoquinones from Calceolaria andina L. (1999)Two compounds recognized as responsible for the insecticidal activity of extracts of Calceolaria andina L. (Scrophulariaceae) have been isolated and characterized as 2-(1,1-dimethylprop-2-enyl)3-hydroxy-1,4-naphthoquinone ...
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(MDPI, 2020)Lycium minutifoliumJ. Remy (Solanaceae) is commonly used as an infusion in traditional medicine to treat stomach pain, meteorism, intestinal disorders, stomach ailments, and other severe problems including prostate cancer ...
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(Editorial Codelia, Publicaciones Científicas, 1984-11-24)On the basis of CNDO and INDO ca1culations, the trans and gauche isomers of the free radical n-perfluorobuthyl are established as the most probable structures in the conformational equilibrium. Spectral differences in ...
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(AMER CHEMICAL SOC, 2010-02-18)Investigation of the aerial parts of Schizanthus tricolor yielded seven isomeric tropane alkaloids: 3 alpha-(1-methylitaconyl)-6 beta-senecioyloxytropane 3a-(1-methylitaconyl)-6 beta-angeloyloxytropane (2), 3 alpha-(1-me ...
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(Springer, 2020)
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(Springer, 2013)We analyzed the carbon and nitrogen isotopic values of the muscle, liver, and crop contents (‘‘diet’’) of 132 individuals of 16 species of Chilean birds. The nitrogen content of diet was tightly correlated with the ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2008-07)The Southern Hemisphere westerly winds influence the spatial distribution of precipitation in southern South America and play a significant role in the global carbon cycle, yet little is known about how this important ...
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(Blackwell Publishing Ltd, 2017)© 2016 The Authors. Journal of Animal Ecology © 2016 British Ecological SocietyBecause a broad spectrum of resource use allows species to persist in a wide range of habitat types, and thus permits them to occupy large ...
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(Wiley-Blackwell, 2015)Retinal inputs to the optic tectum (TeO) triggered by moving stimuli elicit synchronized feedback signals from two isthmic nuclei: the isthmi parvocelullaris (Ipc) and isthmi semilunaris (SLu). Both of these nuclei send ...
