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Facile immobilization of nitrile hydratase in SBA-15 via a biomimetic coating
被引:8
|作者:
Chen, Yan
[1
]
Jiang, Yanjun
[2
]
Gao, Junkai
[1
]
Wu, Wenfeng
[1
]
Dong, Liangxiong
[1
]
Yang, Zejun
[1
]
机构:
[1] Zhejiang Ocean Univ, Sch Port & Transportat Engn, Zhoushan 316022, Peoples R China
[2] Hebei Univ Technol, Sch Chem Engn & Technol, Tianjin 300130, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Polyopamine;
Biomimetic coating;
Facile immobilization;
Nitrile hydratase;
MESOPOROUS SILICA;
HORSERADISH-PEROXIDASE;
EFFICIENT REMOVAL;
LIPASE;
ENZYME;
NANOPARTICLES;
D O I:
10.1007/s10934-016-0317-6
中图分类号:
O69 [应用化学];
学科分类号:
081704 ;
摘要:
Dopamine functionalized mesoporous molecular sieve SBA-15 (Dop-SBA-15), synthesized by a simple and cost-effective method, was developed as a matrix to immobilize NHase (NHase@Dop-SBA-15). Various characterization techniques such as SEM, TEM, BET and FT-IR were carried out to investigate the properties of Dop-SBA-15 and NHase@Dop-SBA-15. It was shown that the Dop-SBA-15 had highly ordered mesopores and large surface area of 447 m(2)/g. The activity, thermal stability, pH stability, storage stability, and reusability of NHase@Dop-SBA-15 were studied in detail. It was observed that the performance of NHase@Dop-SBA-15 was improved significantly compared to that of the free NHase and NHase immobilized in unfunctionalized SBA-15. This study provided insight into the preparation of Dop-SBA-15 and its application for NHase immobilization.
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页码:787 / 793
页数:7
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