In vitro investigation of ultra-pure Zn and its mini-tube as potential bioabsorbable stent material
作者： Xiwei Liu , Jianke Sun , Yinghong Yang , Zhongjie Pu , Yufeng Zheng
DOI: 10.1016/J.MATLET.2015.06.107
关键词: Nuclear chemistry 、 Tube (fluid conveyance) 、 Materials science 、 Bioabsorbable stent 、 In vitro biocompatibility 、 In vitro 、 Metallurgy 、 Zinc 、 Hematolysis 、 Corrosion
摘要: Abstract In the study, mechanical properties, degradation behavior and in vitro biocompatibility of an ultra-pure Zn its mini-tube were evaluated with high-pure Mg as controls. Compared Mg, had close properties cytotoxicity, but it indicated lower corrosion rate (0.011 mm/y) than pure Hank’s solution. Meanwhile, hematolysis (1.00%) was 5%, which means that has no significant destructive effect on erythrocyte. Furthermore, compared plate specimens, tube specimens showed higher (Zn ~0.028 to 0.037 mm/y ~0.61 0.73 mm/y, respectively) hemocompatibility ~1.19% ~9.50%, respectively). conclusion, mini-tubes might be considered a potential bioabsorbable stent material.
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