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http://dx.doi.org/10.5322/JESI.2018.27.1.47

Study on the Antibacterial Properties of Electrochemically Synthesized Silver Nanocolloid  

Lee, Jae-Yong (Department of Healthcare & Biotechnology, Kyungwoon University)
Publication Information
Journal of Environmental Science International / v.27, no.1, 2018 , pp. 47-53 More about this Journal
Abstract
In this study, high-purity silver nanocolloids were synthesized by an electrolytic reaction, and the effect of temperature on the nanocolloid concentration was analyzed by performing the reaction at $70^{\circ}C$ and $90^{\circ}C$. The antibacterial properties of the thus-synthesized silver nanocolloids were also studied. When the synthesis was performed at $90^{\circ}C$, the concentration of silver nanocolloid increased to 14 mg/L after 5 min, 1756 mg/L after 30 min, and 2147 mg/L after 60 min. The concentration of silver nanocolloid synthesized by electrolytic reaction at $70^{\circ}C$ and $90^{\circ}C$ for 60 min was 1,882 mg/L and 2147 mg/L, respectively. The preferred temperature at which the electrolytic synthesis is performed is $70^{\circ}C$ to obtain high concentrations of 1,000 mg/L or more. The antibacterial performance of the thus-synthesized silver nanocolloids was 99.9% for E. coli and 99.5% for Pseudomonas aeruginosa.
Keywords
Electrolysis; Silver; Nanocolloid; Synthesis; Antibacterial;
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