The batch culture of Azotobacter vinelandii on glucose under nitrogen-fixing conditions, seeking oxygen limitation conditions, has been studied in order to use it as a Biological Test System for the experimental study of oxygen transfer enhancement methods in aerobic fermenters. Overall kinetic parameters for exponential growth and for linear growth (under oxygen limitation) have been determined. It was noted an appreciable influence of the oxygen transfer rate on glucose and oxygen uptake, which seems to be due to alginate production, excreted as a nitrogenase protection mechanism.
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Pontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Av Brasil 2147,Casilla 4059, Valparaiso, ChilePontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Av Brasil 2147,Casilla 4059, Valparaiso, Chile
Urtuvia, Viviana
Ponce, Belen
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Pontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Av Brasil 2147,Casilla 4059, Valparaiso, ChilePontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Av Brasil 2147,Casilla 4059, Valparaiso, Chile
Ponce, Belen
Andler, Rodrigo
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Univ Catolica Maule, Escuela Ingn Biotecnol, Ctr Biotecnol Recursos Nat Cenbio, Talca, ChilePontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Av Brasil 2147,Casilla 4059, Valparaiso, Chile
Andler, Rodrigo
Pena, Carlos
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Univ Nacl Autonoma Mexico, Dept Ingn Celular & Biocatalisis, Inst Biotecnol, Cuernavaca, Morelos, MexicoPontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Av Brasil 2147,Casilla 4059, Valparaiso, Chile
Pena, Carlos
Diaz-Barrera, Alvaro
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Pontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Av Brasil 2147,Casilla 4059, Valparaiso, ChilePontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Av Brasil 2147,Casilla 4059, Valparaiso, Chile