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Immobilization of Candida antarctica lipase B on Polystyrene Nanoparticles

✍ Scribed by Nemanja Miletić; Volker Abetz; Katrin Ebert; Katja Loos

Book ID
102493671
Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
248 KB
Volume
31
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Polystyrene (PS) nanoparticles were prepared via a nanoprecipitation process. The influence of the pH of the buffer solution used during the immobilization process on the loading of Candida antarctica lipase B (Cal‐B) and on the hydrolytic activity (hydrolysis of p‐nitrophenyl acetate) of the immobilized Cal‐B was studied. The pH of the buffer solution has no influence on enzyme loading, while immobilized enzyme activity is very dependent on the pH of adsorption. Cal‐B immobilized on PS nanoparticles in buffer solution pH 6.8 performed higher hydrolytic activity than crude enzyme powder and Novozyme 435.

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