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Study on the Antibacterial Properties of Electrochemically Synthesized Silver Nanocolloid

전기분해에 의한 은 나노 콜로이드 합성에 따른 항균 특성 연구

  • Lee, Jae-Yong (Department of Healthcare & Biotechnology, Kyungwoon University)
  • 이재용 (경운대학교 보건바이오학과)
  • Received : 2017.12.14
  • Accepted : 2017.12.15
  • Published : 2018.01.31

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

References

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