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Preparation of amino-functionalized silica supports for immobilization of epoxide hydrolase and cutinase: characterization and applications
Journal of Porous Materials ( IF 2.6 ) Pub Date : 2020-07-01 , DOI: 10.1007/s10934-020-00931-y
Manoj Kamble , Harshada Salvi , Ganapati D. Yadav

Mesocellular foam silica (MCF) and Santa Barbara Amorphous (SBA-15) were synthesized using the hydrothermal method and then amino-functionalized to immobilize two enzymes: epoxide hydrolase and cutinase. In order to achieve high stability and to maintain the activity of enzymes, the supports were surface-functionalized, and the glutaraldehyde cross-linking method was employed for further entrapment of the enzyme. Epoxide hydrolase was partially purified from red mung beans, while cutinase was produced by Fusarium sp. ICT SAC1 and used for immobilization. The developed biocatalysts were well characterized using XRD, SEM, TEM, FTIR, BET, TGA techniques and successfully employed for some reactions such as the chiral resolution of (R,S)-phenyl glycidyl ether, (R,S)-styrene oxide, (R,S)-phenyl ethanol and acylation of geraniol.



中文翻译:

用于固定环氧水解酶和角质酶的氨基官能化二氧化硅载体的制备:表征和应用

使用水热法合成了介孔泡沫二氧化硅(MCF)和圣塔芭芭拉无定形(SBA-15),然后进行氨基官能化以固定两种酶:环氧化物水解酶和角质酶。为了获得高稳定性并保持酶的活性,将载体表面官能化,并使用戊二醛交联方法进一步包埋酶。环氧水解酶从红绿豆中部分纯化,而角质酶由镰刀菌属(Fusarium sp。)生产。ICT SAC1,用于固定。使用XRD,SEM,TEM,FTIR,BET,TGA技术对已开发的生物催化剂进行了很好的表征,并成功地用于某些反应,如(R,S)-苯基缩水甘油醚的手性拆分,(R,S)-苯乙烯氧化物,(R,S)-苯乙醇和香叶醇的酰化作用。

更新日期:2020-08-20
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