nanoclays for lipase immobilization: biocatalyst characterization and activity in polyester synthesis

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ID: 185815
2016
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Abstract
The immobilization of Candida antarctica lipase B (CALB) was performed by physical adsorption on both neat and organo-modified forms of sepiolite and montmorillonite. The influence of different parameters, e.g., solvent, enzyme loading, cross-linking, and type of clay support, on immobilization efficiency and catalyst hydrolytic activity has been investigated. The highest hydrolytic activities were obtained for CALB immobilized on organo-modified clay minerals, highlighting the beneficial effect of organo-modification. The esterification activity of these CALB/organoclay catalysts was also tested in the ring-opening polymerization of ε-caprolactone. The polymerization kinetics observed for clay-immobilized catalysts confirmed that CALB adsorbed on organo-modified montmorillonite (CALB/MMTMOD) was the highest-performing catalytic system.
Reference Key
ztrk2016polymersnanoclays Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Hale Öztürk;Eric Pollet;Vincent Phalip;Yüksel Güvenilir;Luc Avérous
Journal Journal of Fluorescence
Year 2016
DOI
10.3390/polym8120416
URL
http://www.mdpi.com/2073-4360/8/12/416
Keywords
immobilization montmorillonite sepiolite organoclay

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