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Produção de penicilina G acilase por organismos geneticamente modificados
(Universidade Federal de São Carlos, 2013-09-17)
Penicillin G acilase (PGA) is a key enzyme in the industrial production of β-lactamic antibiotics. In this work, it was studied the production of PGA from Escherichia coli by recombinant E. coli and from Bacillus ...
Estratégias para melhoria da produção de ácido clavulânico por Streptomyces clavuligerus
(Universidade Federal de São Carlos, 2014-02-27)
Clavulanic acid (CA) produced by Streptomyces clavuligerus, is a potent inhibitor of beta-lactamases used in combination with conventional beta-lactam antibiotics in the treatment of infections caused by resistant bacteria ...
Síntese enzimática de ésteres catalisada por lipases imobilizadas em diferentes suportes
(Universidade Federal de São Carlos, 2013-03-22)
Lipases are enzymes of great biotechnological relevance. Besides its natural function (hydrolysis of triglycerides), they are capable of catalyzing regio- and enantioselective hydrolysis and synthesis of numerous esters. ...
Avaliação da vinhaça de cana-de-açúcar para produção de hidrogênio em reator anaeróbio de leito fluidizado em condição mesofílica: efeito de co-substrato, TDH, e concentração
(Universidade Federal de São Carlos, 2014-11-25)
study evaluated the production of hydrogen and methane from sugarcane vinasse in anaerobic fluidized bed reactor. Two fluidized bed reactors filled with expanded clay were operated under two different concentrations: R5 ...
Análise do efeito da composição química na secagem de pasta em leito de jorro
(Universidade Federal de São Carlos, 2013-03-11)
In the process of paste drying in spouted bed, the paste is submitted to the system, changes in rheological properties occur, a powder is formed and collected by a cyclone. Currently, various pastes have been tested and ...
Síntese e avaliação catalítica das zeólitas com estrutura BEA, MFI e MTW na reação de Knoevenagel
(Universidade Federal de São Carlos, 2014-08-22)
The use of zeolites in basic catalysis is small, especially when compared to the numerous applications of material in their acid form. Inside this context, are even smaller the number of studies on the use of as-synthesized ...
Propriedades da sílica CTA-MCM-41 contendo metacrilatos e seu emprego na transesterificação de monoéster
(Universidade Federal de São Carlos, 2013-03-07)
The search for clean and renewable fuels has aroused great interest in the industry and scientific community with the growing demand for energy. The transesterification reaction of triglycerides is one way of achieving a ...
Hidrólise enzimática dos polissacarídeos do café
(Universidade Federal de São Carlos, 2013-08-29)
Instant coffee is one of the main products generated by food industry worldwide, consisting of solubilized fraction from roasted and grounded coffee by heat treatment in two steps: thermal extraction at 125 0C, followed ...
Aplicação de técnicas de modelagem e simulação para a produção de etanol de segunda geração
(Universidade Federal de São Carlos, 2013-09-20)
The use of fossil fuels has a significant impact on the environment, making biofuels a renewable and friendly alternative. Brazil, as one of the leading producers of sugar and ethanol, generates as main residue sugar cane ...
Influência da contaminação combinada de dextrana e amido na cristalização do açúcar
(Universidade Federal de São Carlos, 2014-10-08)
Introduced during the colonial period in Brazil, nowadays sugar cane is one of the main crops of the country's economy, generating more than 2 billion dollars per year in the Brazilian trade balance. Despite the benefits ...