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	Provedor de dados BJM (1) Autor Berekaa,Mahmoud M. (1) EL Borai,Aliaa M. (1) El Aassar,Samy A. (1) El-Sayed,Samia M. (1) Palavra-chave Bacillu slicheniformis (1) Bioreactor (1) Immobilization (1) Poly-g-glutamate (1) Semicontinuous production (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2009 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Production of Poly-γ-Glutamate (PGA) Biopolymer by Batch and Semicontinuous Cultures of Immobilized Bacilluslicheniformis strain-R BJM Berekaa,Mahmoud M.; El Aassar,Samy A.; El-Sayed,Samia M.; EL Borai,Aliaa M.. Production of Polyglutamate (PGA) biopolymer by immobilized Bacilluslicheniformis strain-R was intensively investigated. Preliminary experiments were carried out to address the most suitable immobilization methodology. Entrapment of Bacillus cells in alginate-agar led optimal PGA production (36.75 g/l), with 1.32- and 2.18-fold increase in comparison with alginate- or K-carrageenan-immobilized cells, respectively. During semicontinuous cultivation of agar-alginate gel-cell mixture, production of PGA by 10 ml mixture was increased from 2nd to 3rd run whereas, increased till the 4th run using 15ml mixture. Adsorption was the most suitable immobilization technique for production of PGA and the sponge cubes was the preferred matrix recording 43.2 g/l of PGA... Tipo: Info:eu-repo/semantics/article Palavras-chave: Poly-g-glutamate; Bacillu slicheniformis; Immobilization; Bioreactor; Semicontinuous production. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822009000400001 Registros recuperados: 1 Primeira ... 1 ... Última

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