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Information Journal Paper

Title

Graphene Oxide/Hydroxyapatite/Silver (rGO/HAP/Ag) nanocomposite: Synthesis, characterization, catalytic and antibacterial activity

Pages

  180-194

Abstract

 In this paper, a novel Ternary Nanocomposite namely reduced graphene oxide/Hydroxyapatite/silver (rGO/ HAP/Ag) was prepared by a simple hydrothermal method using Graphene Oxide Nanosheets, Ca(NO3)2, (NH4)2HPO4, and AgNO3 as starting materials. The as-prepared nanocomposite was characterized by using various photophysical techniques including Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy, X-ray diffraction (XRD), ultraviolet-visible (UV-Vis) spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM), and energy dispersive X-ray analysis (EDX). Additionally, the antibacterial and catalytic activities of the nanocomposite were evaluated. The results showed that the rGO/HAP/Ag nanocomposite exhibited high performance in the reduction of toxic nitro compounds (4-nitrophenol, 2-nitrophenol, 4-nitroaniline, and 2-nitroaniline) into the less toxic corresponding amines using NaBH4 within 21-42 min with a rate constant equal to 0. 1646, 0. 0898, 0. 1071 and 0. 2 min-1, respectively. Moreover, the rGO/HAP/Ag nanocomposite could be separated from the reaction mixture due to its heterogeneous nature and reused without any change in structure. In addition, the Antibacterial Activity of the rGO/HAP/Ag nanocomposite by disk diffusion method was evaluated against Gram-positive bacteria (Bacillus cereus and Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli and Klebsiella pneumonia). The results showed that this novel Ternary Nanocomposite has good Antibacterial Activity against Gram-positive bacteria.

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    Cite

    APA: Copy

    Beiranvand, Maryam, FARHADI, SAEED, & MOHAMMADI, ABDELNASSAR. (2019). Graphene Oxide/Hydroxyapatite/Silver (rGO/HAP/Ag) nanocomposite: Synthesis, characterization, catalytic and antibacterial activity. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), 10(2), 180-194. SID. https://sid.ir/paper/322436/en

    Vancouver: Copy

    Beiranvand Maryam, FARHADI SAEED, MOHAMMADI ABDELNASSAR. Graphene Oxide/Hydroxyapatite/Silver (rGO/HAP/Ag) nanocomposite: Synthesis, characterization, catalytic and antibacterial activity. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND)[Internet]. 2019;10(2):180-194. Available from: https://sid.ir/paper/322436/en

    IEEE: Copy

    Maryam Beiranvand, SAEED FARHADI, and ABDELNASSAR MOHAMMADI, “Graphene Oxide/Hydroxyapatite/Silver (rGO/HAP/Ag) nanocomposite: Synthesis, characterization, catalytic and antibacterial activity,” INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), vol. 10, no. 2, pp. 180–194, 2019, [Online]. Available: https://sid.ir/paper/322436/en

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