Browsing by Title
Now showing items 10162-10181 of 91696
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(Sociedad Médica de Santiago, 2015)Albert Szent-Gyorgyi was a Hungarian biochemist and physiologist. He identified the structure and function of vitamin C, naming it as ascorbic acid. His research on cellular respiration and oxidation provided the basis ...
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(2011)Background: The endometrium is a dynamic tissue whose changes are driven by the ovarian steroidal hormones. Its main function is to provide an adequate substrate for embryo implantation. Using microarray technology, several ...
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(2007)The gamma-proteobacterium Acidithiobacillus ferrooxidans lives in extremely acidic conditions (pH 2) and, unlike most organisms, is confronted with an abundant supply of soluble iron. It is also unusual in that it oxidizes ...
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(2013)The biomining bacterium Acidithiobacillus ferrooxidans oxidizes sulfide ores and promotes metal solubilization. The efficiency of this process depends on the attachment of cells to surfaces, a process regulated by quorum ...
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(Elsevier, 2013)Cyclin-dependent kinase 5 (Cdk5) is a proline-directed serine/threonine kinase predominantly active in the nervous system where it regulates several processes such as neuronal migration, cytoskeletal dynamics, axonal ...
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(Elsevier, 2011)
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(1998-08)A two-dimensional (2-D) model for a heap or dump bioleaching of a copper ore containing mainly chalcocite and pyrite has been developed. The rate of the mineral sulfide dissolution was related to the rate of oxidation ...
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(Universidad de Chile, 2016)El presente trabajo tiene por objetivo el estudio de la acción catalítica del microorganismo termófilo moderado Sulfobacillus acidophilus en la biolixiviacion de calcopirita a 45ºC, con el fin de demostrar una mayor tasa ...
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(Universidad de Chile, 2009)El presente trabajo de título tiene por objetivo el estudio de la biolixiviación de pirita por un cultivo puro de Acidithiobacillus ferrooxidans y por un consorcio de cepas nativas provenientes de la solución lixiviante ...
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(1997)Chilean folklore medicine uses Trevoa trinervis Miers. (Rhamnaceae), 'trevo', for the treatment of inflammation caused by wounds and burns. The antiinflammatory and antipyretic activities of crude methanol, aqueous and ...
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(Elsevier Ltd, 2019)Pouteria lucuma fruit is widely used to prepare cakes, ice creams and juice or also commercialized as pulp and flour. As result of this business thousands of tons of seeds are generated as an agricultural waste. This study ...
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(2010)The existence of multiple kinds of estrogen receptors (ERs), involved in independent groups of responses, allows their dissociation and opens the possibility to selectively induce beneficial responses but not those considered ...
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(Natural Products, 2012)Four isoflavones, isolated from the whole plant of Azorella madreporica, were identified as angustone C (1), alpinumisoflavone (2), licoisoflavone A (3) and isolupalbigenin (4) by spectroscopic studies. The compounds were ...
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(Sociedad Chilena de Quimica, 2013)Twenty six compounds were identified by GC-MS analysis from culture broth of six Macromycetes growing in subantarctic forests in southern Chile: Mycena hialinotricha, Collybia butyracea, Inocybe geophylla, Entoloma nubigenum, ...
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(ELSEVIER SCIENCE BV, 1999-01-08)South American camelids are induced ovulators and require a stimulus to trigger the LH surge responsible for the ovulation. Seminal plasma (SP) of fertile alpacas (Lama paces) was tested using a bioassay of pituitary cells ...
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(Elsevier, 2014)© 2014 Elsevier B.V. All rights reserved.Bioleaching of secondary and low-grade copper ores in heaps and dumps today is a well-established technology. However, there is still a strong need to improve the copper leaching ...
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(2012)A series of fused tri- and tetracyclic indazoles and analogues compounds (NID) with potential antiparasitic effects were studied using voltamperometric and spectroscopic techniques. Nitroanion radicals generated by cyclic ...
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(ELSEVIER SCI IRELAND LTD, 1997-07)The methanolic extract of the aerial portion of Chenopodium chilense Schrad., used in Chilean traditional medicine as a remedy for stomach-ache, has been found to exert the major spasmolytic activity in acetylcholine ...
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(Frontiers Media, 2014)Schizophrenia and Alzheimer’s disease are two disorders that, while conceptualized as pathophysiologically and clinically distinct, cause substantial cognitive and behavioral impairment worldwide, and target apparently ...