CAS OpenIR  > 研究所(批量导入)
Dopamine-Modified Alginate Beads Reinforced by Cross-Linking via Titanium Coordination or Self-Polymerization and Its Application in Enzyme Immobilization
Wang, Xiaoli1; Jiang, Zhongyi1,2; Shi, Jiafu3; Zhang, Chunhong1; Zhang, Wenyan1; Wu, Hong1
2013-10-01
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume52Issue:42Pages:14828-14836
AbstractTwo novel kinds of dopamine-modified alginate beads were developed by using titanium(IV) coordination or self-polymerization, besides the conventional Ca2+ ion cross-linking. Alginate was modified with dopamine (Alg(DA)) via EDC/NHS chemistry. Fourier transform infrared spectroscopy (FTIR) and circular dichroism (CD) characterization confirmed that dopamine was covalently attached preferentially to the mannuronic acid residues of alginate; thus, gel-forming ability of the as-prepared Alg(DA) was well retained. The titanium(IV) coordination-reinforced alginate beads [Ca-Ti(Alg(DA))] were prepared by cross-linking with Ti4+ and Ca2+. Covalently cross-linking-reinforced alginate beads (Ca-Alg(PDA)) were also prepared by self-polymerization of dopamine and cross-linking with Ca2+. The swelling of Ca-Alg(PDA) and Ca-Ti(Alg(DA)) were both obviously inhibited, and the mechanical properties were enhanced by 3 times compared to those of Ca-Alg beads. The as-prepared beads were utilized for immobilization of alcohol dehydrogenase (YADH). The immobilization efficiency of Ca-Ti(Alg(DA)) and Ca-Alg(PDA) reached up to 100% and 89%, respectively, both notably higher than that of Ca-Alg (67.4%). Stabilities of the immobilized YADH in Ca-Alg(PDA) and Ca-Ti(Alg(DA)) toward pH, storage, and recycling were all improved compared with those immobilized in Ca-Alg.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS KeywordBIOMEDICAL APPLICATIONS ; CIRCULAR-DICHROISM ; SODIUM ALGINATE ; TRANSITION ; HYDROGELS ; COATINGS ; BIODEGRADATION ; MICROCAPSULES ; COMPLEXES ; ADHESIVES
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000326212800011
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13733
Collection研究所(批量导入)
Affiliation1.Tianjin Univ, Key Lab Green Chem Technol, Minist Educ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Natl Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
3.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xiaoli,Jiang, Zhongyi,Shi, Jiafu,et al. Dopamine-Modified Alginate Beads Reinforced by Cross-Linking via Titanium Coordination or Self-Polymerization and Its Application in Enzyme Immobilization[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2013,52(42):14828-14836.
APA Wang, Xiaoli,Jiang, Zhongyi,Shi, Jiafu,Zhang, Chunhong,Zhang, Wenyan,&Wu, Hong.(2013).Dopamine-Modified Alginate Beads Reinforced by Cross-Linking via Titanium Coordination or Self-Polymerization and Its Application in Enzyme Immobilization.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,52(42),14828-14836.
MLA Wang, Xiaoli,et al."Dopamine-Modified Alginate Beads Reinforced by Cross-Linking via Titanium Coordination or Self-Polymerization and Its Application in Enzyme Immobilization".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 52.42(2013):14828-14836.
Files in This Item:
File Name/Size DocType Version Access License
Dopamine-Modified Al(3193KB)期刊论文出版稿限制开放CC BY-NC-SAApplication Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Wang, Xiaoli]'s Articles
[Jiang, Zhongyi]'s Articles
[Shi, Jiafu]'s Articles
Baidu academic
Similar articles in Baidu academic
[Wang, Xiaoli]'s Articles
[Jiang, Zhongyi]'s Articles
[Shi, Jiafu]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Wang, Xiaoli]'s Articles
[Jiang, Zhongyi]'s Articles
[Shi, Jiafu]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.