%0 Journal Article
%T Disinfection efficacy of green synthesized gold nanoparticles for medical disinfection applications
%A Aihong
%A Chunfang
%A Huang
%A Jiang
%A Lijuan
%A Liu
%A Luo
%A Qiong & Zhang
%A Qionghui
%A Yan
%A Yang
%A Yanting
%A Zhou
%J African Health Sciences
%D 2019
%X Background: In recent times, biosyntheses of metal nanoparticles were used for several life rescue applications. In this study, Dillenia indica leaf aqueous extract was utilized for the synthesis of gold nanoparticles. Objective: To test anti-microbial properties of biologically fabricated gold nanoparticles. Methods: Gold nanoparticles were efficiently prepared by making use of aqueous leaf extract of Dillenia indica. The excitation of formed AuNPs was confirmed using UV¨CVis spectrophotometer. In particular, absorption spectra of AuNPs exhibited a well-defined SPR band centered at around 530 nm. Results: The high-resolution Scanning Electron Microscope (SEM) results of the obtained AuNPs confirmed the formation of particles with a size range of 5¨C50 nm. The ultra-high resolution TEM (UHRTEM) images displayed clear lattice fringes on the particle surfaces. Single crystalline nature of the biosynthesized AuNPs was represented by means of selected-area electron diffraction pattern. Conclusion: The antibacterial activity of AuNPs revealed significant activity towards both gram negative and gram positive bacteria signifying their potential disinfection related applications in medicine and biology. DOI: https://dx.doi.org/10.4314/ahs.v19i1.17 Cite as: Huang Q, Luo A, Jiang L, Zhou Y, Yang Y, Liu Q, et al. Disinfection efficacy of green synthesized gold nanoparticles for medical disinfection applications. Afri Health Sci. 2019;19(1). 1441-1458. https://dx.doi. org/10.4314/ahs.v19i1.1
%U http://www.bioline.org.br/abstract?id=hs19015&lang=en