Room temperature phytosynthesis of silver nanoparticles using leaf extract of Momordica charantia: optical and antimicrobial properties

13th Joint Conference on Chemistry

Akinsiku, Anuoluwa Abimbola^1 ; Ajanaku, Kolawole Oluseyi^1 ; Adekoya, Joseph Adeyemi^1 ; Taiwo, Olugbenga Samson^2 ; Ayo-Ajayi, Joan^1 ; Adeyemi, Alaba Oladipupo^3 ; Dare, Enock Olugbenga^4

Department of Chemistry, Covenant University, Canaan Land, Nigeria^1

Department of Biological Sciences, Covenant University, Canaan Land, Nigeria^2

Department of Biochemistry, Covenant University, Canaan Land, Nigeria^3

Faculty of Chemistry and Pharmacy, Institute for Organic Chemistry, Regensburg University, Germany^4

关键词: Anti-microbial activity;    Anti-microbial properties;    antimicrobial;    Conventional techniques;    Energy dispersive x-ray spectrometers;    Momordica charantia;    Nano silver;    UV-Vis spectrophotometers;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/509/1/012019/pdf
DOI  :  10.1088/1757-899X/509/1/012019

来源: IOP

【 摘 要 】

Nigeria is endowed with rich diversity of medicinal plants whose potential as "green" reducing agents are under-utilized. As the world is advocating for safe environment, plant-mediated synthesis of nanoparticles is considered as an eco-friendly and sustainable synthetic route instead of using toxic chemicals. The method is fast, easy and cheaper compared with other conventional techniques. In this study, phytochemicals present in the leaf extract of indigenous Momordica charantia served as reducing, capping/stabilizing agents. The synthesized silver na-noparticles were characterized with Uv-vis spectrophotometer, photoluminescence (PL) and energy-dispersive x-ray spectrometer (EDX). Antimicrobial activities of the synthesized nanosilver were investigated on isolated Streptococcus pyogenes, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa Candida albicans and Trichophyton rubrum. Optical measurement showed surface plasmon resonance with broad absorption peaks (400-450 nm). Significant growth inhibitions were also found at P