Biosynthesis of Graphene and Investigation of Antibacterial Activity of Graphene-parthenium hysterophorous Nanocomposite

• Autor(a) principal: Akbar,Naeem
• Data de Publicação: 2021
• Outros Autores: Kanwal,Sidra, Ahmed,Muhammad Shafiq, Kanwal,Simab, Jamil,Muhammad Ashfaq, Ezugwu,Sabastine, Saleem,Muhammad, Khisro,Said Nasir, Javed,Muhammad, Ahmed,Nasar, Ejaz,Ahsan
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Brazilian Archives of Biology and Technology
• Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132021000101001
• topic: Graphene; Parthenium hysterophorous; nanocomposite; biosynthesis; bioactivity; liquid-phase exfoliation

Abstract There is a great interest to use carbon-based material like graphene and graphene oxide in biomedical applications due to its flexibility to be functionalized with bio-active molecules. Herein, graphene and graphene-based nanocomposites were biosynthesized by liquid-phase exfoliation of graphite using aqueous extract of Parthenium hysterophorous (P-H) as a surfactant. A set of five thin film samples of graphene was prepared from graphene suspension by vacuum filtration method. Samples were characterized by UV-vis spectroscopy, Raman spectroscopy, SEM, and XRD, which revealed successful synthesis of graphene. Graphene/P-H(G/P-H) nanocomposites comprising varied ratios of graphene and P-H were prepared and their antibacterial activity was investigated by agar well diffusion method. The experimental results indicated that G/P-H nanocomposite have higher antibacterial activity than graphene alone, and bioactivity of G/P-H nanocomposite was found to be controlled by the fraction of graphene in the composite.