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Synthesis and characterization of chitosan-zinc composite electrodeposits with enhanced antibacterial properties
Zhai, Xiaofan1; Sun, Congtao1; Li, Ke1,2; Guan, Fang1,2; Liu, Xueqing3; Duan, Jizhou1; Hou, Baorong1
2016
发表期刊RSC ADVANCES
卷号6期号:52页码:46081-46088
文章类型Article
摘要Zinc electrodeposits are one of the most popular safeguard procedures for steel constructions. However, in natural aquatic environments, especially marine environments, zinc electrodeposits suffer significantly from microbial induced corrosion and biofouling which lead to metal failure. To better confront the microbial induced problems, a biocide-zinc electrodeposit was synthesized based on chelating action. In this paper, nontoxic and biocidal natural polysaccharide, chitosan, was successfully incorporated into the zinc electrodeposit matrix, synthesizing a kind of chitosan-zinc composite electrodeposit. The addition of chitosan in the electrolyte influenced the surface morphology and crystalline structure of the resultant electrodeposits significantly, while a chitosan-zinc chelation complex was also found in the electrodeposits. A synthesis model was proposed in which a chitosan molecule could chelate zinc ions in the electrolyte by means of its N atoms in amino groups and O atoms in hydroxide radicals, which promoted the codeposition of zinc and chitosan during synthesis. Furthermore, remarkably enhanced broad-spectrum bactericidal properties of the chitosan-zinc electrodeposits were revealed through Escherichia coli, Pseudomonas aeruginosa and Shewanella oneidensis exposure. The best antibacterial properties of the resultant electrodeposits were obtained when the chitosan concentration was 0.6 g L-1 in the electrolyte.
DOI10.1039/c6ra02696f
收录类别SCI
语种英语
WOS记录号WOS:000377254800006
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/126236
专题海洋腐蚀与防护研究发展中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100049, Peoples R China
3.Qingdao Natl Oceanog Ctr, 88 Xuzhou Rd, Qingdao 266071, Peoples R China
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Zhai, Xiaofan,Sun, Congtao,Li, Ke,et al. Synthesis and characterization of chitosan-zinc composite electrodeposits with enhanced antibacterial properties[J]. RSC ADVANCES,2016,6(52):46081-46088.
APA Zhai, Xiaofan.,Sun, Congtao.,Li, Ke.,Guan, Fang.,Liu, Xueqing.,...&Hou, Baorong.(2016).Synthesis and characterization of chitosan-zinc composite electrodeposits with enhanced antibacterial properties.RSC ADVANCES,6(52),46081-46088.
MLA Zhai, Xiaofan,et al."Synthesis and characterization of chitosan-zinc composite electrodeposits with enhanced antibacterial properties".RSC ADVANCES 6.52(2016):46081-46088.
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