72 resultados para Spengler
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This article claim to estabilish a epistemologic discourse from the science history´s point of view in a moment where its statute,methods , approachs and possibility conditions, in history´s crisis period, depares itself in risk, as universitary institutions as european´s social imagination about knowing for excellence. Our spotlight though is the concept of space, a strong question to a timeless snip, once philosophy and History renounced this concept due to the time question, so commum used until nowdays in both discourses. From this perspective, we search to elucidate Spengler´s history and space point of view, attempting to the occidental idea produced by the author, tapping to the symbolical and discursive dynamics and its dialogic relation with westerner´s political and cultural in the end of XIX century toward second great war. Thereby Spengler´s effort was always crucial to define concepts of history, science, art, space,civilizations, culture, city, country and mainly discussing spenglerian relation to social-political facts that sorrounded him. And finally, his project of cientific revolution, which was displayed by Spengler as a challenge to History of science´s paradigm
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von Max Grunwald
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F. F.
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Mode of access: Internet.
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Bibliography: p. 208-209.
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beta-Carboline imine reductions mediated by Saccharomyces bayanus have been described achieving moderate to good enantiomeric excesses of the amine products. The enantiomeric excesses of the bioreduction showed a dependence on the imine substituents. Compounds presenting C(1)-C(11) aliphatic substituent groups afforded amines with an (S)-configuration, whereas C(15) and higher aliphatic, and aromatic substituted B-carboline imines achieved inversion of the configuration in the final (R)-2 amine products. Based on this data, a model for the Saccharomyces reduction is proposed. (C) 2010 Elsevier Ltd. All rights reserved.