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Quantitative Change in Disulfide Bonds and Microstructure Variation of Regenerated Wool Keratin from Various Ionic Liquids
Zhang, Zhenlei1,2; Nie, Yi1; Zhang, Qiansen1; Liu, Xue3; Tu, Wenhui1,2; Zhang, Xiangping1; Zhang, Suojiang1
2017-03-01
发表期刊ACS SUSTAINABLE CHEMISTRY & ENGINEERING
ISSN2168-0485
卷号5期号:3页码:2614-2622
摘要Ionic liquids (ILs) have been employed as solvents for dissolving wool keratin which can be further regenerated and applied in high-value and biocompatible keratin-based materials. It is urgent to determine the changes in disulfide bonds and keratin microstructures in the dissolution process for designing efficient ILs. Herein, the breakage of disulfide bonds by ILs was verified for the first time using a model compound, oxidized glutathione. Furthermore, at least 65% of disulfide bonds in keratin should be cleaved in order to be dissolved in ILs. The keratin regenerated in a series of ILs, and variable conditions were also characterized by a combination of S-linked techniques. The results indicated that changing both anions and cations can lead to a dramatically different ability to cleave disulfide bonds, while the side chains of the cations have little effect on it. Also, the dissolution variables, such as temperature and time, led to different amounts of disulfide bonds remaining in the regenerated keratin. Finally, molecular dynamics (MD) simulation found that the distribution of ILs around cystine was linked with the ILs' disulfide bond cleaving ability.
关键词Wool Keratin Ionic Liquids Disulfide Bond Network Cleavage
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1021/acssuschemeng.6b02963
收录类别SCI
语种英语
关键词[WOS]GENERAL FORCE-FIELD ; FEATHER KERATIN ; EXTRACTIVE DESULFURIZATION ; HIGHLY EFFICIENT ; SOLID-STATE ; DISSOLUTION ; DISENTANGLEMENT ; AUTOMATION ; ALGORITHMS ; SIMULATION
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
项目资助者National Natural Science Foundation of China(21576262) ; National Natural Science Fund for Distinguished Young Scholars(21425625) ; International Cooperation and Exchange of the National Natural Science Foundation of China(51561145020) ; "Recruitment of Outstanding Technologist" of Chinese Academy of Sciences ; CAS Province Cooperation Program(2014JZ0012)
WOS记录号WOS:000395846900065
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22085
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Inst Proc Engn, 1 North Second St, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, 19 A Yuquan Rd, Beijing 100049, Peoples R China
3.Qufu Normal Univ, Coll Chem & Chem Engn, 57 Jingxuan West Rd, Jining 273165, Shandong, Peoples R China
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Zhang, Zhenlei,Nie, Yi,Zhang, Qiansen,et al. Quantitative Change in Disulfide Bonds and Microstructure Variation of Regenerated Wool Keratin from Various Ionic Liquids[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2017,5(3):2614-2622.
APA Zhang, Zhenlei.,Nie, Yi.,Zhang, Qiansen.,Liu, Xue.,Tu, Wenhui.,...&Zhang, Suojiang.(2017).Quantitative Change in Disulfide Bonds and Microstructure Variation of Regenerated Wool Keratin from Various Ionic Liquids.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,5(3),2614-2622.
MLA Zhang, Zhenlei,et al."Quantitative Change in Disulfide Bonds and Microstructure Variation of Regenerated Wool Keratin from Various Ionic Liquids".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 5.3(2017):2614-2622.
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