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OALib Journal期刊
ISSN: 2333-9721
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-  2017 

Effects of Triton X-100 and PEG on the Catalytic Properties and Thermal Stability of Lipase from Candida Rugosa Free and Immobilized on Glyoxyl-Agarose

DOI: 10.2174/1874091X01711010066

Keywords: Triton X-100, PEG, Stabilization, Candida rugosa Lipase, Immobilization, Glyoxyl-Agarose

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Abstract:

Candida rugosa Lipase (CRL) shows a very low alkaline stability that comprises its immobilization on glyoxyl-agarose, which requires pH above 10. In this way, an adaptation from the original method was used; an enzyme solution at pH 7 was slowly added at a suspension of glyoxyl-agarose prepared in bicarbonate buffer, pH 10. This change of protocol was enough for allowing the preparation of derivatives actives of CRL on glyoxyl-agarose and verifying the effect of this modified procedure on the properties of the immobilized enzyme. The effect of the additives Triton-X-100 and polyethylene glycol (PEG) on the enzymatic activity recovery and immobilized enzyme stability was evaluated

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