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Generalization of monod kinetics for analysis of growth data with substrate inhibition
Author(s) -
Luong J. H. T.
Publication year - 1987
Publication title -
biotechnology and bioengineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.136
H-Index - 189
eISSN - 1097-0290
pISSN - 0006-3592
DOI - 10.1002/bit.260290215
Subject(s) - butanol , substrate (aquarium) , generalization , kinetics , yeast , strain (injury) , chemistry , n butanol , growth rate , biological system , chromatography , stereochemistry , biochemistry , thermodynamics , biology , mathematics , ethanol , ecology , physics , mathematical analysis , geometry , anatomy , quantum mechanics
Abstract The inhibitory effect of butanol on yeast growth has been studied for the strain Candida utilis ATCC 8205 growing aerobically on butanol under batch conditions. A mathematical expression was then proposed to fit the kinetic pattern of butanol inhibition on the specific growth rate:\documentclass{article}\pagestyle{empty}\begin{document}$$ \mu = \frac{{\mu _m S}}{{K_s + S}}\left[{1 - \frac{S}{{S_m }}} \right]^n $$\end{document}The maximum allowable butanol concentration above which cells do not grow was predicted to be 9.16g/L. The proposed model appears to accurately represent the experimental data obtained in this study and the literature data developed for a variety of batch culture systems at widely ranging substrate concentrations.

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