Title: Silver Nanoparticle Biosynthesis As A Reliable Alternative For Organic Dye Catalysis And Antimicrobial Applications
Authors: Adeyemi W. A., Babatola, B. K., Adebayo, S., 'Abiona, M. A., "
Volume: 10
Issue: 8
Pages: 262-270
Publication Date: 2026/08/28
Abstract:
Silver nanoparticles (AgNPs) are a promising nanomaterial due to their unique physicochemical properties, catalytic efficiency, and strong antimicrobial activity. This study explores the biosynthesis of AgNPs and their role as a sustainable substitute for organic dyes in catalytic processes and their broad-spectrum antimicrobial properties. The synthesized nanoparticles were characterized using UV Vis spectroscopy, FTIR, SEM, XRD, and TEM Results confirmed high purity and uniform distribution The catalytic potential of AgNPs was assessed in the degradation of dyes such as methylene blue and Congo red In antimicrobial assays, AgNPs showed strong inhibitory effects against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa. These findings highlight the potential of biosynthesized AgNPs in replacing conventional dyes and chemical agents in environmental and biomedical applications. Water bodies are threatened by anthropogenic pollutants such as organic dyes and bacteria, leading to scarcity of fresh water suitable for drinking and irrigation Green-synthesized silver nanoparticles (AgNPs) were evaluated in the degradation of organic dyes and bacterial decontamination using S. costus root aqueous extract as an environmentally benign reducing agent. The nanoparticles were spherical, monodisperse, colloidally and thermally stable, and crystalline in nature. Overall, the biosynthesized AgNPs were remarkable catalysts in the discoloration of hazardous dyes and displayed notable antibacterial potency against Gram-positive and Gram-negative bacteria.