Cotton fabric as a carrier to immobilize chemically modified papain

被引：0
|
作者：
Li Shubai [1 ]
Nie Huali [1 ]
Zhang Haitao [1 ]
Xue Yong [1 ]
Zhu Limin [1 ]
机构：
[1] Donghua Univ, Coll Chem Chem Engn & Biotechnol, Shanghai, Peoples R China
来源：
PROCEEDINGS OF 2009 INTERNATIONAL CONFERENCE ON ADVANCED FIBERS AND POLYMER MATERIALS, VOLS 1 AND 2 | 2009年
关键词：
Cotton fabric; papain; immobilization; modification; pyromellitic anhydride; ACID;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Papain (EC 3.4.22.2) has been chemically modified by pyromellitic acids. Then, the modified papain was immobilized on the activated cotton fabric by a two-step method. Fourier transform infrared spectrometry (FT-IR) and energy dispersive spectrometry (EDS) were used to characterize papain immobilization. Some parameters of both modified and native papain immobilized on cotton fabric, such as optimum pH, the reusability and storage stability, were studied and compared. The resultant papain had its optimum pH shifted from 7.0 to 9.0, and the reusability and storage stability were improved considerably compared to the immobilized native papain. This work demonstrated that the cotton fabric immobilized by modified papain has potential applications in the functional textile field.
引用
收藏
页码：883 / 886
页数：4
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