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題 名 | 載銀竹炭生物防護材料抗菌效能評估=Evaluation of the Antibacterial Efficacy of Bamboo Charcoal/Silver Biological Protective Material |
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作 者 | 楊福助; 吳國輝; 劉銘傑; 林文博; 胡明寬; 洪登南; | 書刊名 | 黃埔學報 |
卷 期 | 54(工程科學類) 2008.03[民97.03] |
頁 次 | 頁59-67 |
分類號 | 440.34 |
關鍵詞 | 竹炭; 抗菌; 最低抑菌濃度; 平板計數法; Bamboo charcoal; Antibacterial; Minimum inhibitory concentrations; Plate counting method; |
語 文 | 中文(Chinese) |
中文摘要 | 載銀竹炭(BC/Ag)須經活化及化學還原過程來製備,BC/Ag 複合物之特性可經由銀顆粒大小、分佈、銀離子(Ag+)釋放和抗菌性質加以探討,透過SEM和TEM可以顯示銀顆粒在竹炭上的分佈狀況。TEM顯示銀粒徑小於150nm,BC/Ag複合物的表面形態及銀含量端賴硝酸銀初始濃度而定,竹炭上銀含量越多、比表面積愈小。BC/Ag複合物粉末對細菌的抗菌作用則透過最低抑菌濃度(MIC)及平板計數法均展現出優越的抗菌成就。 |
英文摘要 | Bamboo charcoal supporting silver (BC/Ag) was prepared by activation and chemical reduction processes. The BC/Ag composites were characterized by silver particle size, distribution, silver ion (Ag+) release and antibacterial properties. Scanning and transmission electron microscopy (SEM and TEM) of the composites show uniform Ag particles distribution on the BC matrix. The Ag particle size was found to be less than 150 nm based on TEM. The Ag content and the surface morphologies of the BC/Ag composites were dependent on initial concentration of AgNO3, and more Ag contents, smaller specific surface areas were obtained on BC. The antibacterial effects of BC/Ag composite powders against bacteria were examined by the minimum inhibitory concentrations (MIC) and plate counting method, showing an excellent antibacterial performance. |
本系統中英文摘要資訊取自各篇刊載內容。