Effect of the coexistence of albumin and H2O2 on the corrosion of biomedical cobalt alloys in physiological saline

doi:10.1039/c9ra05699h

	Effect of the coexistence of albumin and H2O2 on the corrosion of biomedical cobalt alloys in physiological saline
	Xu, Weichen 1,3,4,5; Zhang, Binbin1,3,4 ; Yang, Lihui 1,3,4; Ni, Qiancheng 1,3; Li, Yantao 1,3,4; Yu, Fei 2
	2019-10-17
发表期刊	RSC ADVANCES
卷号	9 期号:57 页码:32954-32965
通讯作者	Yu, Fei(feiyu@qdu.edu.cn)
摘要	The corrosion of Co-28Cr-6Mo and Co-35Ni-20Cr-10Mo, as biomedical alloys, has been investigated for effects of typical species (albumin and H2O2) in physiological saline, with their coexistence explored for the first time. Electrochemical and long term immersion tests were carried out. It was found that Co alloys were not sensitive to the presence of albumin alone, which slightly promoted anodic dissolution of Co-35Ni-20Cr-10Mo without noticeably affecting Co-28Cr-6Mo and facilitated oxide film dissolution on both alloys. H2O2 led to a clear drop in corrosion resistance, favouring metal release and surface oxide formation and inducing much thicker but less compact oxide films for both alloys. The coexistence of both species resulted in the worst corrosion resistance and most metal release, while the amount and composition of surface oxide remained at a similar level as in the absence of both. The effect of H2O2 inducing low compactness of surface oxides should prevail on deciding the poor corrosion protection ability of passive film, while albumin simultaneously promoted dissolution or inhibited formation of oxides due to H2O2. Corrosion resistance was consistently lower for Co-35Ni-20Cr-10Mo under each condition, the only alloy where the synergistic effect of both species was clearly demonstrated. This work suggests that the complexity of the environment must be considered for corrosion resistance evaluation of biomedical alloys.
DOI	10.1039/c9ra05699h
收录类别	SCI
语种	英语
资助项目	Natural Science Foundation of Shandong Province, China[ZR2017BEM025] ; Natural Science Foundation of Shandong Province, China[ZR2019QEM011] ; National Natural Science Foundation of China[51701101] ; Applied Basic Research Program of Nantong, China[GY12017020] ; Applied Basic Research Program of Qingdao, China[17-1-1-41-jch] ; Natural Science Foundation of Shandong Province, China[ZR2017BEM025] ; Natural Science Foundation of Shandong Province, China[ZR2019QEM011] ; National Natural Science Foundation of China[51701101] ; Applied Basic Research Program of Nantong, China[GY12017020] ; Applied Basic Research Program of Qingdao, China[17-1-1-41-jch]
WOS研究方向	Chemistry
WOS类目	Chemistry, Multidisciplinary
WOS记录号	WOS:000496135200003
出版者	ROYAL SOC CHEMISTRY
引用统计	被引频次：11[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/163874
专题	海洋环境腐蚀与生物污损重点实验室
通讯作者	Yu, Fei
作者单位	1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Shandong, Peoples R China 2.Qingdao Univ, Med Coll, Inst Translat Med, Qingdao 266021, Shandong, Peoples R China 3.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266237, Shandong, Peoples R China 4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China 5.Chinese Acad Sci, Res Dev Ctr Marine Sci & Technol, Inst Oceanol, Nantong 226019, Peoples R China
第一作者单位	海洋环境腐蚀与生物污损重点实验室; 中国科学院海洋大科学研究中心; 中国科学院海洋研究所
推荐引用方式 GB/T 7714	Xu, Weichen,Zhang, Binbin,Yang, Lihui,et al. Effect of the coexistence of albumin and H2O2 on the corrosion of biomedical cobalt alloys in physiological saline[J]. RSC ADVANCES,2019,9(57):32954-32965.
APA	Xu, Weichen,Zhang, Binbin,Yang, Lihui,Ni, Qiancheng,Li, Yantao,&Yu, Fei.(2019).Effect of the coexistence of albumin and H2O2 on the corrosion of biomedical cobalt alloys in physiological saline.RSC ADVANCES,9(57),32954-32965.
MLA	Xu, Weichen,et al."Effect of the coexistence of albumin and H2O2 on the corrosion of biomedical cobalt alloys in physiological saline".RSC ADVANCES 9.57(2019):32954-32965.

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