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Thiolation of Chitosan nanoparticle and immobilization of Laccase enzyme

سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 354
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شناسه ملی سند علمی:

BIOCONF20_387

تاریخ نمایه سازی: 28 اردیبهشت 1398

چکیده مقاله Thiolation of Chitosan nanoparticle and immobilization of Laccase enzyme

Laccase has a lot of importance in biotechnology and many industrial applications.Immobilized enzyme present enhanced activity and storage time, pH and thermal stability compared with free enzyme. In this study, Laccase enzyme immobilized onto the thiolated chitosan nanoparticle. The thiolated chitosan nanoparticle characterized by X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). Chitosan nanoparticle was synthesized using sodium tripolyphosphate (TPP) as a polymerizing agent. Thiolated chitosan nanoparticle was prepared by adding thioglycolic acid (TGA). Finally, to performing immobilization, laccase enzyme (0.025 g/ml) loaded onto thiolated chitosan nanoparticle in the solution with pH of 5.5 by 24 hours incubation time at room temperature. Under these optimum circumstances, the efficiency of laccase immobilization was on the range of 42-48%. Based on our results, thiolated chitosan nanoparticle can be used as an ideal support for laccase immobilization in the biotechnological application

کلیدواژه های Thiolation of Chitosan nanoparticle and immobilization of Laccase enzyme:

نویسندگان مقاله Thiolation of Chitosan nanoparticle and immobilization of Laccase enzyme

Seyede Tahere Mir-Salehi

Department of Molecular and Cell Biology, Faculty of Basic Sciences,University of Mazandaran, Babolsar, Iran

Ali Taravati

Department of Molecular and Cell Biology, Faculty of Basic Sciences,University of Mazandaran, Babolsar, Iran

Fatemeh Tohidi

Department of Medical Biotechnology, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran