Browsing by Title Facultad de Ciencias
Now showing items 3582-3601 of 8177
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(MDPI AG, POSTFACH, CH-4005 BASEL, SWITZERLAND, 2016)A small Chilean variety of pears growing in the town of Toconao, an oasis located at the northeastern edge of the Salar de Atacama, northern Chile, was studied by means of modern PDA and high resolution mass spectral data ...
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(Pergamon Journals Ltd., 1987-01-25)8attus archidamas larvae reared on Aristolochia chilensis sequester aristolochic acids selectively and independently of lipophilícíty. A considerable proportion of the ingasted acids can be recovered from the excreta, but ...
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(2013)Phototransduction, the mechanism underlying the electrical response to light in photoreceptor cells, has been thoroughly investigated in Drosophila melanogaster, an essential model in signal transduction research. These ...
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(Editorial Universitaria, 2018)El compromiso de Chile por el cuidado de la diversidad biológica y la sustentabilidad alcanza también a la industria forestal, particularmente, a la del pino Radiata o Monterrey, muy extendida en el sur de Chile. Pocos ...
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(Frontiers Media, 2016)White Chilean strawberries (Fragaria chiloensis) are non-climacteric fruits, with an exotic color and aroma. In order to discover genes involved in the development of these fruits, we identified a fragment of a gene encoding ...
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(Sociedad Chilena de Quimica, 2000)Reaction of CpFe(dppe)I with dithiopyridine in methanol and in presence of NH4PF6 affords the new mixed valence complex {[CpFe(dppe)]2 - n - S - Py}(PF6)2 (1 ). Observation of an intervalence electron transfer affords the ...
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(2006-08-07)The stability, electronic and magnetic properties of Fe atoms adsorbed on the self-assembled Bilines nanostructure on the H/Si(001) surface are addressed by spin-density functional calculations. Our results show that Fe ...
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(AMER INST PHYSICS, 2006-08-28)The stability and electronic and magnetic properties of Fe atoms adsorbed on the self-assembled Bi-line nanostructure on the H/Si(001) surface are addressed by spin-density functional calculations. Our results show that ...
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(IOP Publishing, 2020)Wave-particle interactions are believed to be one of the most important kinetic processes regulating the heating and acceleration of solar wind plasma. One possible explanation for the observed preferential heating of alpha ...
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(Universidad de Chile., 2016)Las conexina son una familia de proteinas de vertebrados que constituyen los canales de uniones en hendidura o gap Junclion channels (GJC.) Etos canales conectan el citoplasma de dos células adyacentes, ya que atraviesan ...
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(2009)We apply basic tools of control theory to a chemostat model that describes the growth of one species of microorganisms that consume a limiting substrate. Under the assumption that available measurements of the model have ...
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(Springer, 2014)Specific fatty acids (FA) such as unsaturated (UFA) and saturated (SFA) fatty acids contained in foods are key factors in the nutritional ecology of birds. By means of a field and experimental approach, we evaluated the ...
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(2001)Feeding by the aphid Sipha flava produces a reddish spot on mature leaves of Sorghum halepense. The present work is aimed at determining whether this plant response entails induced resistance against the aphid. Old and ...
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(Cambridge University Press, 2008)In this research we studied the diet of Enteroctopus megalocyathus from three principal locations of the octopus fishery (Ancud, Quellón and Melinka) in southern Chile. The gastric contents of 523 individuals, collected ...
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(Wiley, 2021)Extra-pair behavior is present in 76% of socially monogamous bird species with biparental care. This behavior may produce costs to females related to a reduction in paternal care. We estimated the percentage of extra-pair ...
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(Universidad de Chile., 1977)La reacción del m-xileno con radicales fenilo proporciona tres compuestos fenilados : 2,6-dimetil- ; 2 , 4-dimetil- y 3 , 5-dimetilbifelino, además del producto de abstracción de hidrogeno : 3 ,3’ - dimetilbibencilo. La ...
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(Universidad de Chile, 2014)Este seminario de titulo fue desarollado en la Facultad de Química y Biología de la Universidad de Santiago de Chile y tuvo por objetivo determinar la importancia de la fuente móvil asociada a la emisión de los nitrofenoles ...
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(Universidad de Chile, 2014)El daño del escolito del olivo, Hylesinus oleiperda (Coleoptera: Curculionidae) es hecho por las larvas que horadan la madera sub-corticalmente, ocasionando marchitez del follaje y muerte de ramillas productivas. Según ...
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Fenología de plantas leñosas del bosque de Chiloe : relación con factores bióticos y abióticos (Universidad de Chile, 1992)El objetivo de este estudio fue determinar los patrones estacionales de floración y fructificación de las especies del bosque de Chiloé, diferenciando las etapas de inducción floral (yemas) síntesis, fruto inmaduro y fruto ...
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(Universidad de Chile, 1989)Las plantas producen sus diferentes estructuras a través de la actividad de sus meristemas. Así, la muerte, latencia o multiplicación de los meristemas tiene importantes consecuencias en su morfología .El follaje, que es ...
