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Immobilization of proline-specific endoprotease on nonporous silica nanoparticles functionalized with amino group
Zhao, Fuhua1,2; Hou, Tonggang2; Wang, Jianxun2; Jiang, Yijun2; Huang, Shuxia1; Wang, Qiao2; Xian, Mo2; Mu, Xindong2
2017
发表期刊BIOPROCESS AND BIOSYSTEMS ENGINEERING
卷号40期号:1页码:1-7
摘要Enzyme immobilization is believed to provide an excellent base for increasing environmental tolerance of enzyme and considerable period of time. In this work, a kind of nonporous silica nanoparticles functionalized with amino group was synthesized to immobilize proline-specific endoprotease (PSEP). PSEP is known to specifically cleave peptides (or esters) at the carboxyl side of proline, thus can prevent the formation of haze and prolong the shelf life of beer. After immobilization, the environmental tolerance (temperature and pH, respectively) was obviously improved, and the immobilized enzyme can retain above 90 % of its original activity after 6 uses. Moreover, the immobilized enzyme can effectively prevent the formation of chill-haze using fresh beer fermentation liquid.
文章类型Article
关键词Enzyme Immobilization Proline-specific Endoprotease Enzymatic Activity Beer Chill-haze
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1007/s00449-016-1669-7
关键词[WOS]ENZYME IMMOBILIZATION ; BEER POLYPEPTIDES ; HAZE FORMATION ; STABILIZATION ; POLYPHENOLS ; PROTEINS ; SYSTEM ; ACID ; GEL
收录类别SCI
语种英语
WOS研究方向Biotechnology & Applied Microbiology ; Engineering
项目资助者National Natural Science Foundation of China(21433001 ; Applied Basic Research Foundation of Qingdao City(14-2-4-21-jch) ; Shandong Provincial Natural Science Foundation for Distinguished Young Scholar, China(JQ201305) ; 21273260)
WOS类目Biotechnology & Applied Microbiology ; Engineering, Chemical
WOS记录号WOS:000391382800001
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9186
专题绿色化学催化研究组
作者单位1.Tsingtao Brewery Co Ltd, State Key Lab Biol Fermentat Engn Beer, Qingdao 266100, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biobased Mat, Qingdao 266101, Shandong, Peoples R China
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GB/T 7714
Zhao, Fuhua,Hou, Tonggang,Wang, Jianxun,et al. Immobilization of proline-specific endoprotease on nonporous silica nanoparticles functionalized with amino group[J]. BIOPROCESS AND BIOSYSTEMS ENGINEERING,2017,40(1):1-7.
APA Zhao, Fuhua.,Hou, Tonggang.,Wang, Jianxun.,Jiang, Yijun.,Huang, Shuxia.,...&Mu, Xindong.(2017).Immobilization of proline-specific endoprotease on nonporous silica nanoparticles functionalized with amino group.BIOPROCESS AND BIOSYSTEMS ENGINEERING,40(1),1-7.
MLA Zhao, Fuhua,et al."Immobilization of proline-specific endoprotease on nonporous silica nanoparticles functionalized with amino group".BIOPROCESS AND BIOSYSTEMS ENGINEERING 40.1(2017):1-7.
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