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Entrapment of calcium alginate is not used in case of which of the following?

(a) Enzyme immobilization of microbial preparations

(b) Enzyme immobilization of plant preparations

(c) Immobilization of invertase enzyme

(d) Enzyme immobilization of animal preparations

The question was posed to me in examination.

This interesting question is from Methods of Immobilization in division Immobilized Enzymes Preparation and Kinetics of Enzyme Technology

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Right answer is (c) Immobilization of invertase enzyme

The best I can explain: The method in which the enzyme is entrapped within suitable gel or fiber. The matrix used for entrapment are calcium alginate, agar, collagen, diatomaceous earth, activated carbon, porous ceramic, calcium alginate, K-carr-a-genin etc. Calcium alginate is most widely used method for enzyme immobilization of microbial, plant and animal preparations. Immobilization of invertase enzyme is done by using activated charcoal adsorbent. This is adsorption method of immobilization.

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