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Influência de álcoois na síntese e propriedades das sílicas mesoporosas
(Universidade Federal de São Carlos, 2015-02-23)
In recent years there has been growing interest in studies on the use of heterogeneous catalysts in the biodiesel production, since such materials have some advantages over homogeneous catalysts such as ease of separation ...
Análise da secagem de limão tahiti (Citrus latifolia - Tanaka) em fatias e de suas frações: epicarpo, mesocarpo e endocarpo
(Universidade Federal de São Carlos, 2015-03-20)
The tahiti lemon belongs to the family Rutaceae, Citrus of the genus, species Citrus Latifolia, the variety Tanaka. It is a heterogeneous fruit, formed by three distinct fractions, them being the epicarp (outer shell), the ...
Inovações na síntese enzimática de amoxicilina
(Universidade Federal de São Carlos, 2012-04-27)
Penicillin G acylase (PGA, E.C.3.5.1.11) from Escherichia coli is an enzyme of great industrial importance, widely used for the hydrolysis of penicillin G, producing the 6-aminopenicillanic acid (6-APA), which is a key ...
Extração de cefamicina C por sistema de duas fases aquosas e purificação por troca iônica
(Universidade Federal de São Carlos, 2013-04-26)
Cephamycin C is a β-lactam antibiotic that belongs to the cephalosporins. This antibiotic stands out from other cephalosporins because it has activity against gram-negative bacteria and for being resistent to ...
Produção de mutantes de Streptomyces clavuligerus nos genes lat, cvm7P e rpoZ e estudo de seus efeitos sobre a produção de ácido clavulânico
(Universidade Federal de São Carlos, 2010-08-11)
Molecular biology and genetic engineering have been deployed widely in recent years, several protocols have been established, presenting new methodologies capable of altering the genetics of bacterial strains industrial ...
Propriedades eletrônicas e estruturais do Cu/ZrO2 aplicadas à reação do etanol
(Universidade Federal de São Carlos, 2012-06-22)
Copper is a typical catalyst for dehydrogenation of ethanol to acetaldehyde. However, copper supported on ZrO2 was found to be extremely active and selective to convert ethanol directly to ethyl acetate. Several reports ...
Produção de hidrogênio e etanol em reator anaeróbio de leito fluidizado: avaliação do desempenho de três materiais suporte em diferentes condições operacionais
(Universidade Federal de São Carlos, 2012-03-09)
Hydrogen and ethanol production using microorganisms is a promising area of technological development from a wide variety of renewable and alternative to this production is the use of anaerobic fluidized bed reactor (AFBR). ...
Produção, isolamento e identificação de metabólito com atividade citotóxica de cultura de Streptomyces carpaticus
(Universidade Federal de São Carlos, 2011-09-21)
This study addresses the production, isolation and identification of the substance present in culture broth of Streptomyces carpaticus which showed high biological activity against human tumor cell lines HL-60 (promyelocytic ...
Produção de etanol a partir de xilose com glicose isomerase e Saccharomyces cerevisiae coimobilizadas em gel de alginato
(Universidade Federal de São Carlos, 2013-06-20)
In this work, it was studied the simultaneous isomerization and fermentation of xylose to ethanol (SIF) using xylose isomerase (XI) and S. cerevisiae co-immobilized in calcium alginate gel. XI was immobilized on chitosan ...
Recobrimento de sementes silvestres em panela rotatória
(Universidade Federal de São Carlos, 2013-03-21)
In order to minimize the effects caused by the development of Brazil, such as the suppression of riparian forest, one has searched for tree species that have the characteristics needed for the recovery of degraded areas. ...