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Mostrando ítems 81-90 de 144
Óxidos mistos de magnésio e alumínio contendo lítio e cálcio como catalisadores para transesterificação etílica
(Universidade Federal de São Carlos, 2013-03-08)
This work deals with the investigation on the production of heterogeneous catalysts of base surface properties applied for ethylic transestérification, aiming the biodiesel production. In the first and second chapters of ...
Craqueamento de hidrocarbonetos naftênicos sobre zeólitas HZSM-12 modificadas – rendimento e seletividade a olefinas leves
(Universidade Federal de São Carlos, 2015-09-30)
It was studied the catalytic performance of ZSM-12 zeolites modified by desilication in the
cracking of naphthenic hydrocarbons. ZSM-12 zeolites with nominal a SiO2/Al2O3 ratio were
synthesized during 96 or 144 h under ...
Produção de lipopeptídeos e glicolipídeos a partir da bioconversão do co-produto da produção do biodiesel
(Universidade Federal de São Carlos, 2012-09-28)
Biosurfactants are a surface-active chemical compounds synthesized by microorganisms. These compounds have many advantages when compared to their chemically synthesized counterparts as specific action, low toxicity, higher ...
Avaliação de características cinéticas e metabólicas de dois hibridomas para produção de anticorpos monoclonais para tipagem sanguínea
(Universidade Federal de São Carlos, 2012-02-23)
The large scale production of monoclonal antibodies is the Biotechnology field that has achieved the biggest advances and realizations over the last 20 years, especially in the area of diagnosis and therapeutic applications. ...
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 ...