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An investigation of the antibacterial ability and cytotoxicity of a novel cu-bearing 317L stainless steel
Sun, Da; Xu, Dake; Yang, Chunguang; Shahzad, M. Babar; Sun, Ziqing; Xia, Jin; Zhao, Jinlong; Gu, Tingyue; Yang, Ke; Wang, Guixue; Wang, GX (reprint author), Chongqing Univ, Coll Bioengn, Key Lab Biorheol Sci & Technol, Chongqing 400044, Peoples R China.; Yang, K (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-07-07
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号6
摘要In order to solve the challenging problem of microbial infections caused by microorganisms on medical implants, it is imperative to develop novel antimicrobial biomaterials. This work demonstrated that 317L-Cu stainless steel (SS), created by adding copper through a solution and aging heat treatment process, exhibited good antibacterial properties against staphylococcus aureus, achieving 2 log reduction of planktonic cells after 5 days of incubation. In this study, the antibacterial test was performed using the plate count method, the fluorescence cell staining method and the quantitative polymerase chain reaction (qPCR) method. It is well known that a high concentration of copper ion can lead to cytotoxicity. This work explored the cytotoxicity of 317L-Cu SS through real-time cell analysis (RTCA). Experimental results demonstrated that the 317L-Cu SS possessed a satisfactory antibacterial ability against S. aureus, and the antibacterial rate based on the reduction of sessile cell count reached 98.3% after 24-hour treatment. The bacterial adhesion and the biofilm thickness were considerably reduced by the 317L-Cu SS. The results of RTCA suggested that 317L-Cu SS did not introduce cytotoxicity to mouse cells, indicating its suitability as a medical implant material.
部门归属[sun, da ; wang, guixue] chongqing univ, coll bioengn, key lab biorheol sci & technol, chongqing 400044, peoples r china ; [xu, dake ; yang, chunguang ; shahzad, m. babar ; sun, ziqing ; zhao, jinlong ; yang, ke] chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [xia, jin] liaoning univ, coll chem, shenyang 110036, peoples r china ; [gu, tingyue] ohio univ, inst corros & multiphase technol, dept chem & biomol engn, athens, oh 45701 usa
学科领域Science & Technology - Other Topics
资助者National Natural Science Foundation of China [11332003]; National Key Technology R & D Program of China [2012BAJ25B09]; "Young Merit Scholars" program of the Institute of Metal Research, Chinese Academy of Sciences; Chongqing Engineering Laboratory in Vascular Implants; National "111 Plan" Base [B06023]; Public Experiment Center of State Bioindustrial Base (Chongqing) of China
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75797
专题中国科学院金属研究所
通讯作者Wang, GX (reprint author), Chongqing Univ, Coll Bioengn, Key Lab Biorheol Sci & Technol, Chongqing 400044, Peoples R China.; Yang, K (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Sun, Da,Xu, Dake,Yang, Chunguang,et al. An investigation of the antibacterial ability and cytotoxicity of a novel cu-bearing 317L stainless steel[J]. SCIENTIFIC REPORTS,2016,6.
APA Sun, Da.,Xu, Dake.,Yang, Chunguang.,Shahzad, M. Babar.,Sun, Ziqing.,...&Yang, K .(2016).An investigation of the antibacterial ability and cytotoxicity of a novel cu-bearing 317L stainless steel.SCIENTIFIC REPORTS,6.
MLA Sun, Da,et al."An investigation of the antibacterial ability and cytotoxicity of a novel cu-bearing 317L stainless steel".SCIENTIFIC REPORTS 6(2016).
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