Browsing by Title
Now showing items 92529-92548 of 92818
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(2012)A new withanolid amine was isolated from Dunalia spinosa (Solanaceae). Its relative stereochemistry was determined using FT-IR, 1H and 13C NMR spectroscopies and high resolution mass spectrometry. Nicotine was also isolated; ...
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(Oxford University Press, 2017)© The Author 2016. Published by Oxford University Press on behalf of the British Geriatrics Society. Background: in the second Intensive Blood Pressure Reduction in Acute Cerebral Haemorrhage Trial (INTERACT2), a minority ...
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(2009)To ensure delivery of safe animal products to consumers, the withdrawal time (WDT) of drugs must be respected. Property differences among pharmaceutical formulations, for the same drugs, can lead to differences in the ...
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(2007)The synthetic theory of evolution proposes that biotic variations generated by mutation are mostly fixed, lost or maintained polymorphic by natural selection, with a marginal effect due to genetic drift. Based on the theory ...
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(BIOMED Central Ltd., 2017)Background: Chagas disease caused by Trypanosoma cruzi is considered a major public health problem in America. After an acute phase the disease changes to a chronic phase with very low parasitemia. The parasite presents ...
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(Birkhauser Verlag Basel, 1999)The among-leaves allocation of DIBOA, a hydroxamic acid associated with plant resistance, in the shoot of rye (Secale cereale) was evaluated over the vegetative development of the plant. The appropriateness of using the ...
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(Elsevier, 2016)This paper analyzes the segregation within schools in Chile, looking at the related institutional factors and the effect that this process has on students' academic performance. To analyze the relationship between institutional ...
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(2011)The climatic variability hypothesis (CVH) states that species are geographically more widespread at higher latitudes because individuals have a broader range of physiological tolerance or phenotypic flexibility as latitude ...
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(Pensoft Publishers, 2019)In his recent self-published book "Reptiles en Chile", Diego Demangel Miranda presented 13 taxonomic changes for liolaemid and tropidurid lizards. While these could be considered validly published according to the International ...
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(Universidad de Chile, 2015)
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(Universidad de Chile, 2020)
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(2010-06-23)GABAA receptors (GABAA-Rs) play a significant role in mediating fast synaptic inhibition and it is the main inhibitory receptor in the CNS. The role of Wnt signaling in coordinating synapse structure and function in the ...
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(MDPI, 2020)Oral carcinogenesis is a complex and multifactorial process that involves cumulative genetic and molecular alterations, leading to uncontrolled cell proliferation, impaired DNA repair and defective cell death. At the ...
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(Wiley, 2017)Osteosarcoma is the most common malignant bone tumor in children and adolescents. Metastasis and poor responsiveness to chemotherapy in osteosarcoma correlates with over-expression of the runt-related transcription factor ...
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(Universidad de Chile, 2020)En la actualidad se tiene mayor conocimiento y estándares sobre la tenencia responsable de mascotas. Una de las aristas de esta tenencia responsable es el transporte, es por ello que el presente proyecto abarca el diseño ...
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(Soc. Brasileira Quimica, 2015)A historiographical study of Jane Marcet's role in spreading chemistry knowledge to a wider audience in the 19th century is presented here. Her efforts to spread scientific knowledge were crucial to sharing the most important ...
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(Pontificia Universidad Javeriana, 2020)
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(Universidad de Chile, 2001)The purpose of this literary research project is the analysis of the thematic content as well as the formal devices of five of the poems written by Edgar Allan Poe. In order to connect and find the common concepts that ...
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(2012)Background: The aim of this study was to assess the main factors related to maternal mortality reduction in large time series available in Chile in context of the United Nations’ Millennium Development Goals (MDGs). Methods: ...
