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dc.contributor.authorHay, Jacqueline Xiao Wen-
dc.contributor.authorWu, Ta Yeong-
dc.contributor.authorTeh, Chee Yang-
dc.contributor.authorJahim, Jamaliah Md.-
dc.identifier.issn0975-1084 (Online); 0022-4456 (Print)-
dc.description.abstractThis study presents optimization of growth parameters (temperature, pH, ammonium conc. and inoculum size) to achieve an economical viable biohydrogen production process by Rhodobacter sphaeroides O.U.001 using response surface methodology (RSM) followed by analysis of light and agitation effects on bacterial growth using optimized conditions. Optimized growth conditions on third day of fermentation, when R. sphaeroides O.U.001 was cultured aerobically under the presence of light (510 lux), were found as follows: temperature, 30.3oC; pH, 4.71; ammonium conc., 0.60 g/l; and inoculum size, 6.02% (v/v). Light did not give a significant effect on overall growth of R. sphaeroides O.U.001. Agitation greatly influenced bacterial growth as a result of higher dissolved oxygen and dispersion of macromolecules in shake culture.en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceJSIR Vol.71(02) [February 2012]en_US
dc.subjectResponse Surface Methodology (RSM)en_US
dc.subjectRhodobacter sphaeroides O.U.001en_US
dc.titleOptimized growth of Rhodobacter sphaeroides O.U.001 using response surface methodology (RSM)en_US
Appears in Collections:JSIR Vol.71(02) [February 2012]

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