| Antibacterial Characteristics of ZnO-CeO2 Nano-Powder Prepared by Laser Vapor Condensation |
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| 引用本文： | 郭广生 李铎 王志华 郭洪猷. Antibacterial Characteristics of ZnO-CeO2 Nano-Powder Prepared by Laser Vapor Condensation[J]. 中国稀土学报(英文版), 2005, 23(3): 362-366 |
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| 作者姓名： | 郭广生 李铎 王志华 郭洪猷 |
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| 作者单位： | Key laboratory for Science and Technology of Controllable Chemical Reactions，Education Ministry，Beijing University of Chemical Technology，Beijing 100029，China，Key laboratory for Science and Technology of Controllable Chemical Reactions，Education Ministry，Beijing University of Chemical Technology，Beijing 100029，China，Key laboratory for Science and Technology of Controllable Chemical Reactions，Education Ministry，Beijing University of Chemical Technology，Beijing 100029，China，Key laboratory for Science and Technology of Controllable Chemical Reactions，Education Ministry，Beijing University of Chemical Technology，Beijing 100029，China |
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| 基金项目： | theNationalNaturalScienceFoundationofChina (2 0 2 710 0 6) |
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| 摘 要： | Microbialpollutionandcontaminationbymicroor ganismshaveproducedvarioustroublesinindustryandothervitalfields ,suchasdegradationandinfec tion .Thenewpasteurizationandantibacterialtech niqueshavebeendemandedandstudied[1] .Inrecentyears ,therareearthmetaloxid…
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| 关 键 词： | ZnO CeO2 激光矢量 稀土 抗菌性能 陶瓷 |
Antibacterial Characteristics of ZnO-CeO2 Nano-Powder Prepared by Laser Vapor Condensation |
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| Guo Guangsheng,LI Duo,Wang Zhihua,GUO Hongyou. Antibacterial Characteristics of ZnO-CeO2 Nano-Powder Prepared by Laser Vapor Condensation[J]. Journal of Rare Earths, 2005, 23(3): 362-366 |
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| Authors: | Guo Guangsheng LI Duo Wang Zhihua GUO Hongyou |
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| Abstract: | Antibacterial activity of ZnO-CeO2 solid nano-powders was studied by measuring the change of sterilization efficacy to the bacterial. ZnO-CeO2 nano-powders were prepared by laser vapor condensation (LVC) with oxygen as loading gas. The size of the particle can be affected greatly by some reacting conditions such as the flow of loading gas and the reacting pressure. Rod-like powders with different molar ratios (Zn/Ce) and sizes were produced in the changed reacting conditions for studying the effects of sterilization efficacy to the bacterial. It is found that antibacterial activity of oxide powders increase with decreasing particle size and increasing ceria concentration. The changes of antibacterial action for S. aureus are similar to those for B.niger. Both the preparing mechanism of LVC and the sterilization assumption were proposed. |
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| Keywords: | antibacterial activity ZnO-CeO2 laser vapor condensation rare earths |
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