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Bienzyme system immobilized in biomimetic silica for application in antifouling coatings
Wang, Hongwu1; Jiang, Yanjun1,2; Zhou, Liya1; Gao, Jing1
2015-08-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume23Issue:8Pages:1384-1388
AbstractAntifouling coatings are used extensively on vessels and underwater structures. Conventional antifouling coatings contain toxic biocides and heavy metals, which may induce unwanted adverse effects such as toxicity to non target organisms, imposex in gastropods and increased multiresistance among bacteria. Therefore, enzyme-based coatings could be a new alternative solution. A H2O2-producing bienzyme system was developed in this study. H2O2 can be produced from starch by the cooperation of a-amylase and glucose oxidase, which promotes the hydrolysis of polymeric chain and oxidizes the glucose to produce H2O2, respectively. The encapsulated bienzyme (A-G@BS) exhibits enhanced stabilities of thermal, pH, recycling and tolerance of xylene. The A-G@BS-containing coating releases H2O2 at rates exceeding a target of 36 nmol.cm(-2).d(-1) for 90 days in a laboratory assay. The results demonstrate that the method is a promising coating technology for entrapping active enzymes, presenting an interesting avenue for enzyme-based antifouling solutions. (C) 2015 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
KeywordAntifouling Bienzyme H2o2 Coating
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cjche.2015.05.001
Indexed BySCI
Language英语
WOS KeywordSTABILITY ; EFFICIENT ; PROTEINS
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000361836600018
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19579
Collection生化工程国家重点实验室
Affiliation1.Hebei Univ Technol, Sch Chem Engn, Tianjin 300130, Peoples R China
2.Chinese Acad Sci, Natl Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Hongwu,Jiang, Yanjun,Zhou, Liya,et al. Bienzyme system immobilized in biomimetic silica for application in antifouling coatings[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2015,23(8):1384-1388.
APA Wang, Hongwu,Jiang, Yanjun,Zhou, Liya,&Gao, Jing.(2015).Bienzyme system immobilized in biomimetic silica for application in antifouling coatings.CHINESE JOURNAL OF CHEMICAL ENGINEERING,23(8),1384-1388.
MLA Wang, Hongwu,et al."Bienzyme system immobilized in biomimetic silica for application in antifouling coatings".CHINESE JOURNAL OF CHEMICAL ENGINEERING 23.8(2015):1384-1388.
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