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논문 기본 정보

자료유형
학술저널
저자정보
Le Xu (China Iron and Steel Research Institute Group) Linge Chai (China Iron and Steel Research Institute Group) Zhao Li (China Iron and Steel Research Institute Group) Xiaokun Jin (China Iron and Steel Research Institute Group) Danxia Gu (Shanghai Maritime University) Xueting Chang (Shanghai Maritime University) Shibin Sun (Shanghai Maritime University)
저널정보
성균관대학교 성균나노과학기술원 NANO NANO Vol.12 No.12
발행연도
2017.1
수록면
12 - 20 (9page)

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In this work, a novel nanocomposite (NC) based on the decoration of Ag nanoparticles (NPs) and W18O49 nanorods (NRs) on the GO surfaces was prepared using combined techniques of solvothermal method and photochemical process. Compared with the Ag-GO NC, the Ag-W18O49-GO NC exhibited enhanced long-term antibacterial activity against the bacterium of Bacillus sp.1NLA3E (Bacillus sp.). The antibacterial mechanisms of both the Ag-GO and Ag-W18O49-GO NCs were distinctly revealed by observation of the direct interaction between the Ag NPs,W18O49 NRs, or GO sheets and the bacterial cells. Results showed that the GO sheets in the NCs mainly acted as supports for trapping or wrapping the bacterial cells, and it was the Ag NPs or W18O49 NRs grown on the GO surfaces that caused direct damage to the cells. The synergistic effects between the Ag NPs or W18O49 NRs and the GO sheets resulted in the prominent long-term antibacterial effect of the Ag-W18O49-GO NC. This work provides in-depth understanding of the mechanism regarding the antibacterial activity of the GO-based NCs.

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