Fiber-entrapped dipeptidyl aminopeptidase |
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| Authors: | M Pandin C Di Bello A Marani F Bartoli F Morisi |
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| Institution: | 1. Istituto di Chimica Industriale del? Università di Padova, 9, Via Marzolo, 35100, Padova, Italy
2. Snamprogetti, Laboratori Processi Microbiologici, 00015, Monterotondo, Roma, Italy
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| Abstract: | The enzyme dipeptidyl aminopeptidase has been immobilized on cellulose triacetate fibers. The Michaelis-Menten parameters of the entrapped enzyme have been determined and compared to those of the literature for the native enzyme. The entrapped enzyme retains 13% of its activity toward synthetic substrate. The influence of mixing effects on the catalytic properties of the enzyme has been substantiated. The activity appears to be controlled by external mass-transfer. |
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