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载银氧化石墨烯纳米材料的快速合成、表征及其抗菌应用

Rapid synthesis and characterization of silver-loaded graphene oxide nanomaterials and their antibacterial applications.

作者信息

Zhu Jiang, Ni Haitao, Hu Chunyan, Zhu Yuxiang, Cai Jinxia, Liu Song, Gao Jie, Yang Heshan, Liu Hongpan

机构信息

Chongqing Key Laboratory of Environmental Materials and Remediation Technologies, Chongqing University of Arts and Sciences, Yongchuan 402160, People's Republic of China.

College of Chemistry and Environmental Engineering, Chongqing University of Arts and Sciences, Yongchuan 402160, People's Republic of China.

出版信息

R Soc Open Sci. 2021 Feb 24;8(2):201744. doi: 10.1098/rsos.201744.

DOI:10.1098/rsos.201744
PMID:33972863
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8074688/
Abstract

With the promising potential application of Ag/graphene-based nanomaterials in medicine and engineering materials, the large-scale production has attracted great interest of researchers on the basis of green synthesis. In this study, water-soluble silver/graphene oxide (Ag/GO) nanomaterials were synthesized under ultrasound-assisted conditions. The structural characteristics of Ag/GO were confirmed by Fourier transform infrared spectroscopy, X-ray diffraction, transmission electron microscopy, scanning electron microscopy and energy dispersion spectroscopy, respectively. The results showed the silver particles (AgNPs) obtained by reduction were attached to the surface of GO, and there was a strong interaction between AgNPs and GO. The antibacterial activity was primarily evaluated by the plate method and hole punching method. Antibacterial tests indicated that Ag/GO could inhibit the growth of Gram-negative and Gram-positive bacteria, special for the .

摘要

随着银/石墨烯基纳米材料在医学和工程材料领域具有广阔的潜在应用前景，基于绿色合成的大规模生产引起了研究人员的极大兴趣。在本研究中，在超声辅助条件下合成了水溶性银/氧化石墨烯（Ag/GO）纳米材料。分别通过傅里叶变换红外光谱、X射线衍射、透射电子显微镜、扫描电子显微镜和能量色散光谱对Ag/GO的结构特征进行了确认。结果表明，通过还原得到的银颗粒（AgNPs）附着在GO表面，且AgNPs与GO之间存在强相互作用。主要通过平板法和打孔法评估抗菌活性。抗菌测试表明，Ag/GO能够抑制革兰氏阴性菌和革兰氏阳性菌的生长，尤其对……

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/8074688/194f095f2ea6/rsos201744f11.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/8074688/3f11ec21be56/rsos201744f06.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/8074688/fda17ad14faa/rsos201744f07.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/8074688/4c192fbc24c1/rsos201744f08.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/8074688/7ed66913ba36/rsos201744f09.jpg
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