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Palladium – decorated reduced graphene oxide/zinc oxide nanocomposite for enhanced antimicrobial, antioxidant and cytotoxicity activities
Process Biochemistry ( IF 3.7 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.procbio.2020.03.010
Rakkappan Rajeswari , Halliah Gurumallesh Prabu

Abstract The one-step hydrothermal synthesis of Pd nanoparticles with RGO-ZnO nanocomposites finds promising applications in antimicrobial, antioxidant, cytotoxicity activities. Synthesized graphene oxide was mixed with ZnO, PdCl4, to form Pd-RGO-ZnO nanocomposite, without using any chemical reductants. Nanocomposite was characterized by several techniques. X-ray diffraction (XRD) and X-ray photoelectron spectroscopic (XPS) analysis confirmed the successful deposition of Pd on the RGO-ZnO sheets. Fourier transform infrared spectroscopy (FT-IR), confirmed the presence of functional groups. Scanning electron microscopic (SEM) observations showed uniform morphology. The SAED patterns of the Transmission electron microscopic studies (TEM) revealed that the prepared Pd-RGO-ZnO nanocomposite patterns were recorded and it was represented to (200), (001), planes which were highly supported by its XRD analysis. Synthesized nanocomposites exhibited excellent performance towards biological activities.

中文翻译:

钯——装饰还原氧化石墨烯/氧化锌纳米复合材料,增强抗菌、抗氧化和细胞毒性活性

摘要 用 RGO-ZnO 纳米复合材料一步水热合成 Pd 纳米颗粒在抗菌、抗氧化和细胞毒性活性方面具有广阔的应用前景。合成的氧化石墨烯与 ZnO、PdCl4 混合,形成 Pd-RGO-ZnO 纳米复合材料,无需使用任何化学还原剂。纳米复合材料的特征在于几种技术。X 射线衍射 (XRD) 和 X 射线光电子能谱 (XPS) 分析证实了 Pd 在 RGO-ZnO 片上的成功沉积。傅里叶变换红外光谱(FT-IR)证实了官能团的存在。扫描电子显微镜 (SEM) 观察显示出均匀的形态。透射电子显微镜研究 (TEM) 的 SAED 图案显示制备的 Pd-RGO-ZnO 纳米复合图案被记录并表示为 (200), (001), XRD 分析高度支持的平面。合成的纳米复合材料对生物活性表现出优异的性能。
更新日期:2020-06-01
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