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Literature summary for 1.1.3.4 extracted from

  • Brahim, S.; Narinesingh, D.; Guiseppi-Elie, A.
    Kinetics of glucose oxidase immobilized in p(HEMA)-hydrogel microspheres in a packed-bed bioreactor (2002), J. Mol. Catal. B, 18, 69-80.
No PubMed abstract available

Organism

Organism UniProt Comment Textmining
Aspergillus niger
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
beta-D-glucose + O2 + H2O hydrogel microspheres of crosslinked poly(hydroxyethyl methylacrylate-co-dimethylaminoethyl methacrylate) are used for physical and covalent immobilization. Matrix entrapment (physical immobilization) affords the higher loading capacity and higher specific activity of the immobilized enzyme. The substrate has almost solution-like access to the immobilized enzyme within the microsphere and the hydrogel presents no significant diffusional barrier to enzyme-substrate reaction. Two functional groups, imidazolium and sulfhydryl, of His and Cys respectively, may be involved at the active site for the oxidation of glucose Aspergillus niger D-glucono-1,5-lactone + H2O2
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