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Estudo da produção de poligalacturonases em processo submerso em biorreatores de agitação mecânica e airlift
(2014-05-23)
In this work, the production of endo and exo-polygalacturonase (PG) by Aspergillus oryzae IPT 301 was studied in a stirred tank bioreactor (STR) and in airlift bioreactors with internal and external circulation loop. Using ...
Crescimento e capacidade de biosorção de metais por Pleurotus sajor-caju, em cultivo líquido e em cultivo sólido
(2014-05-19)
In this work, Pleurotus sajor-caju PS2001 was cultivated in solid-state, in a medium formulated with sawdust of Pinus spp and wheat bran, to which had been added cupric sulphate, manganese sulphate and ammonium sulphate. ...
Estudo do papel da homeostase do cálcio na reparação de danos no DNA em diferentes linhagens de Saccharomyces cerevisiae
(2014-05-22)
Calcium (Ca2+) has been reported as an important cellular ion. The changes in the intracellular Ca2+ concentrations are related to: (i) the activation of major proteins related to DNA repair and apoptosis; (ii) induction ...
Avaliação do tempo de vida cronológico em Saccharomyces cerevisiae em diferentes fontes de carbono associadas com o metabolismo e com os mecanismos de reparação de DNA
(2014-05-22)
A diet rich in carbohydrates is one of the few environmental factors capable of interfering in longevity and in an aging of organisms. In this sense, the increased generation and/or accumulation of AGES (Advanced glycation ...
Eficiência de ensaios ecotoxicológicos na detecção de toxicidade em efluentes de refinaria de petróleo
(2014-06-04)
One of the main sources of water pollution is industrial wastewater. Among these, stands the waste of oil refinery effluents because is quite complex and of difficult tractability. Therefore, it is evident the need for ...
Avaliação da técnica de eletrodiálise para a separação de ácido lactobiônico produzido por via biotecnológica
(2014-05-14)
Glicose-fructose oxidoreductase (GFOR) and glicono-d-lactonase (GL) enzymes are present in Zymomonas mobilis bacteria cells. These enzymes are capable to catalyze lactobionic acid (AL) formation (or formation of its ...