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Effect of Candida antarctica Lipase B Immobilization on the Porous Structure of the Carrier

✍ Scribed by Nemanja Miletić; Zorica Vuković; Aleksandra Nastasović; Katja Loos

Book ID
102468352
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
209 KB
Volume
11
Category
Article
ISSN
1616-5187

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✦ Synopsis

Abstract

A series of poly(GMA__‐co‐__EGDMA) resins with identical composition but varying particle sizes, pore radii, specific surface areas and specific volumes are studied to assess how Candida antarctica lipase B immobilization affects the porosity of the copolymer particles. Mercury porosimetry reveals a significant change in the average pore size (up to 6.1‐fold), the specific surface area (up to 3.2‐fold) and the specific volume (up to 2.1‐fold) of the epoxy resin. A similar behaviour is observed for glutaraldehyde‐modified epoxy resins. The influences of the resin porosity properties on the loading of Candida antarctica lipase B during immobilization and on the hydrolytic activity (hydrolysis of p‐nitrophenyl acetate) of the immobilized lipase are studied. magnified image

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✍ Nemanja Miletić; Volker Abetz; Katrin Ebert; Katja Loos 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 248 KB

## 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 a