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2007, 02, No.21 34-37
纳米Cu2+/TiO2复合材料的抗菌性能研究
基金项目(Foundation): 江苏省教育厅指导项目(04KJD540139)
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摘要:

采用溶胶凝胶法制备了不同掺杂量的纳米Cu2+/TiO2复合材料,研究其无紫外光照射时的抗菌性能.结果表明,n(Cu):n(Ti)=1:50~1:10时,纳米Cu2+/TiO2复合材料无需紫外光照射均具有较强的抗菌性能,对大肠杆菌和金黄葡萄球菌产生透明抑菌圈,直径为6~26 mm.适量掺杂时以催化机理杀菌,过量掺杂时以溶出机理杀菌.

Abstract:

Nanometer Cu2+/TiO2 composite materials doped with different content of Cu2+ were prepared and their antibacterial activity without UV irradiation was studied.The test results show that the composite materials have excellent antibacterial activity without UV irradiation when n(Cu)∶n(Ti) is 1∶50 to 1∶10.They have clear antibacterial circle of 626 mm toward E.coli and S.aureus.Their antibacterial mechanism is photocatalysis when proper amount of Cu2+ doped and contacting mechanism when excessive Cu2+ added.

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中图分类号:R318.08

引用信息:

[1]胡啸林,鞠剑峰.纳米Cu~(2+)/TiO_2复合材料的抗菌性能研究[J].南通大学学报(自然科学版),2007,No.21(02):34-37.

基金信息:

江苏省教育厅指导项目(04KJD540139)

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