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Activity of carboxypeptidase a bound to a modified cellulosic matrix

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Abstract

Carboxypeptidase A immobilized on acid chloride of oxidized cellulose showed the following features: (a) as indicated by the linearity of reaction kinetics, the immobilized enzyme action is not diffusion controlled; (b) greater flow rates are achievable with less clogging during continual usage since the enzyme is attached to a porous screen; (c) ease of handling; and (d) no apparent electrostatic interaction with the support material that is uncharged. The immobilized enzyme retained 60% of the original activity. The half-life of free enzyme was only 20 min, whereas for immobilized enzyme it was enhanced up to 2 h 48 min. It could be recovered and repeatedly used.

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Kumar, S., Vasudevan, P. & Dua, R.D. Activity of carboxypeptidase a bound to a modified cellulosic matrix. Appl Biochem Biotechnol 12, 107–119 (1987). https://doi.org/10.1007/BF02798418

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  • DOI: https://doi.org/10.1007/BF02798418

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