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首页> 外文会议>IUPAC 10th International conference on novel materials and their synthesis: Book of abstracts >PREPARATION OF SILVER NANOPARTICLES/ GRAPHENE OXIDE COMPOSITES AND THEIR ANTIBACTERIAL PROPERTIES
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PREPARATION OF SILVER NANOPARTICLES/ GRAPHENE OXIDE COMPOSITES AND THEIR ANTIBACTERIAL PROPERTIES

机译：纳米银/氧化石墨烯复合材料的制备及其抗菌性能

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Silver nanoparticles/graphene oxide (AgNPs/GO) nanocoposites were prepared by one-step in situ synthetic method, with graphene oxide and AgNO_3 used as the raw materials. Factors that affect the physicochemical properties of the nanocomposites, such as pH, reaction temperature, reaction time and the ratio of AgNO_3/GO, were explored to obtain optimum reaction conditions. The obtained nanocomposites were characterized with UV visible absorption spectroscopy(UV-vis), X-ray diffraction (XRD), Fourier transform infrared spectroscopy(FT-IR) and transmission electron microscopy (TEM). The average size of the AgNPs anchored on the graphene surface was about 10 nm. The antibacterial properties of AgNPs/GO were tested against Escherichia coli. And this nanocomposites exhibited a strong antibacterial activity at rather low dose. This work provides a simple and environmentally friendly approach to the preparation of AgNPs/GO nanocomposites with promising antibacterial.
机译：采用一步法原位合成法制备了纳米银/氧化石墨烯（AgNPs / GO）纳米复合材料，以氧化石墨烯和AgNO_3为原料。探索了影响纳米复合物理化性质的因素，例如pH，反应温度，反应时间和AgNO_3 / GO的比例，以得到最佳的反应条件。用紫外可见吸收光谱（UV-vis），X射线衍射（XRD），傅里叶变换红外光谱（FT-IR）和透射电子显微镜（TEM）对所得纳米复合材料进行了表征。锚定在石墨烯表面上的AgNP的平均尺寸为约10nm。测试了AgNPs / GO的抗菌性能。而且这种纳米复合材料在相当低的剂量下显示出很强的抗菌活性。这项工作提供了一种简单且环保的方法来制备具有前途的抗菌剂的AgNPs / GO纳米复合材料。

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