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  1. No Access

    Article

    Removal of aqueous pentachlorophenol by horseradish peroxidase in the presence of surfactants

    An important issue in the oxidation of pentachlorophenol (PCP) by the enzyme horseradish peroxidase (HRP) is enzyme inactivation during the reaction. This study was initiated to investigate the ability of two ...

    E. Y. Kim, Y. J. Choi, H. J. Chae, K. H. Chu in Biotechnology and Bioprocess Engineering (2006)

  2. No Access

    Article

    Predictive modeling of competitive biosorption equilibrium data

    This paper compares regression and neural network modeling approaches to predict competitive biosorption equilibrium data. The regression approach is based on the fitting of modified Langmuir-type isotherm mod...

    K. H. Chu, E. Y. Kim in Biotechnology and Bioprocess Engineering (2006)

  3. No Access

    Article

    Protein adsorption on Ion exchange resin: Estimation of equilibrium isotherm parameters from batch kinetic data

    The simple Langmuir isotherm is frequently employed to describe the equilibrium behavior of protein adsorption on a wide variety of adsorbents. The two adjustable parameters of the Langmuir isotherm—the satura...

    K. H. Chu, M. A. Hashim in Biotechnology and Bioprocess Engineering (2006)

  4. No Access

    Article

    Optimization of carotenoid production by Rhodotorula glutinis using statistical experimental design

    A two-step optimization strategy of statistical experimental design was employed to enhance carotenoid production from sugar cane molasses (SCM) in the yeast Rhodotorula glutinis. In the first step, a fractional ...

    P. K. Park, D. H. Cho, E. Y. Kim, K. H. Chu in World Journal of Microbiology and Biotechn… (2005)

  5. No Access

    Article

    Reusability of seaweed biosorbent in multiple cycles of cadmium adsorption and desorption

    The uptake of cadmium by the seaweed Sargassum siliquosum was investigated over five consecutive cycles of adsorption and desorption with HCl as the desorbent. A large fraction of the cadmium loaded in the fir...

    R. Chitguppa, K.H. Chu, M.A. Hashim in Biotechnology Techniques (1997)

  6. No Access

    Article

    Modelling of a fixed bed and a fluidized bed immobilized enzyme reactor

    An axial dispersed plug flow model incorporating mass transfer limitations was established to predict the substrate conversion of an immobilized enzymatic reaction in a packed bed and a fluidized bed reactor. ...

    C. B. Ching, K. H. Chu in Applied Microbiology and Biotechnology (1988)