Binary immobilization: a newer approach for immobilizing lipase from a thermophilic sp. of Thermomyces lanuginosus

Gupta, Pritesh ; Nipunta; Dutt, Kakoli ; Saran, Saurabh ; Saxena, Rajendra Kumar

Abstract

We report binary immobilization of Thermomyces lanuginosus lipase enzyme using chitosan as the support. This method of enzyme immobilization is better than cross-linked enzyme aggregate (CLEA) in terms of better enzyme recovery and separation. This method of immobilization resulted in an increase in the thermostability of the binary immobilized lipase as against the crude free enzyme. This preparation could be used for nearly 15 consecutive cycles with 80-100% efficiency. Reusability of the immobilized enzyme makes it an economical alternative to the traditional way. Immobilized lipases in particular are a modern catalytic tool for various industrially significant reactions and applications.

Keyword(s)

Binary; Chitosan; Immobilization; Reusability; Thermomyces lanuginosus lipase; Thermostability

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