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Now showing items 31-38 of 38
Estudo da interação entre borrachas comerciais e misturas de biodiesel/diesel por espectroscopia de ressonância magnética nuclear
(Universidade Federal de São Carlos, 2014-10-09)
Nowadays biodiesel has taken steps toward the consolidation as energetic matrices of many countries. Elastomers are one of the most important groups of materials used in engines and the compatibility of these materials ...
Terpenóides e seu metabolismo em fungos: um estudo de Scleroderma sp. e Xylaria sp.
(Universidade Federal de São Carlos, 2011-08-05)
In the present work, the lanostane triterpenes Lanosta-8,24-diene-3β,23-diol and Lanosta-8,23-diene-3β,25-diol were isolated from the basidiomycete Scleroderma sp., an extremely rich source of triterpenes and not ...
Sobre a síntese de pirróis 3,4-dissubstituídos e seus correspondentes derivados porfirínicos
(Universidade Federal de São Carlos, 2014-02-28)
In this work we have developed the synthesis of 3,4-disubstituted pyrroles, aiming at the preparation of strategically designed (continue...)
Estudo químico de Xanthomonas citri subsp. citri e sua influência no perfil químico de Citrus sinensis
(Universidade Federal de São Carlos, 2014-12-17)
Citrus canker, caused by the bacteria Xanthomonas axonopodis pv. citri (Xac), is a disease that causes serious problems to the global citrus industry, especially to orange(Citrus sinensis). In this regard, this thesis ...
Multicomponent reactions in the discovery of organocatalysts and the diversification of organocatalytic approaches
(Universidade Federal de São Carlos, 2015-06-19)
This thesis reports the development of multicomponent approaches directed to specific objectives: a) the discovery of new and efficient peptide-based catalyst for asymmetric
transformations and b) the synthesis of ...
Obtenção e caracterização bioquímica de xilanases nativas e recombinante do fungo Leucoagaricus gongylophorus
(Universidade Federal de São Carlos, 2013-08-30)
Xylanases are enzymes which randomly cleave the main chain of xylan, the most abundant non-cellulosic polysaccharide of plants cell wall. Xylanases are commonly produced by a wide range of organisms including bacteria, ...
Synthesis, structural diversification, biological activities and biotransformation of dibenzylacetones : simple chemistry furnishing potent compounds
(Universidade Federal de São Carlos, 2016-02-23)
The structural diversity of known compounds holding two benzene rings
directly connected to each other (Bis-phenyl), or separated by a carbon-chain (Bisarylalkane),
is nowadays generated intensive scientific studies ...
Estudo de Schinus terebinthifolius, Anacardium humile e Macairea urundeuva no controle das formigas cortadeiras
(Universidade Federal de São Carlos, 2013-04-24)
Leaf-cutting ants are known by their strong power of to pulling down several vegetable crops and to cause economic lost to the agriculture. Several methods have been used for their control such as the use of halogenated, ...