Zeolites as supports for an enzymatic alcoholysis reaction

被引：60

作者：

Serralha, FN ^{[1
]}

Lopes, JM ^{[1
]}

Lemos, F ^{[1
]}

Prazeres, DMF ^{[1
]}

Aires-Barros, MR ^{[1
]}

Cabral, JMS ^{[1
]}

Ribeiro, FR ^{[1
]}

机构：

[1] Univ Tecn Lisboa, Ctr Engn Biol & Quim, Inst Super Tecn, P-1096 Lisbon, Portugal

来源：

JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC | 1998年 / 4卷 / 5-6期

关键词：

zeolites; enzymatic catalysis; cutinase; alcoholysis; enzyme immobilization;

D O I：

10.1016/S1381-1177(98)00069-1

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A recombinant cutinase from Fusarium solani pisi was immobilized by adsorption on several zeolites and its activity towards the alcoholysis reaction of butyl acetate with hexanol, in organic media (isooctane), was measured as a function of the water contest and water activity. The effects of the zeolite framework composition (including cation nature) and acidity were studied. The results were compared with other commonly used supports: polyamide Accurel-PA6, silica and alumina. Both the nature of the cation and the silica:alumina (Si:AI) ratio of the framework revealed to be important parameters. The most promising results were obtained for supports with Little acidity and with lower SI:AI ratio. This last observation is in accordance with the results obtained with silica and alumina. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：303 / 311

页数：9

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