Controlled biosynthesis of AgCl nanoparticles by a thermotolerant Aspergillus terreus in the L-Tryptophan supplemented media: Characterization and antimicrobial activity


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Abstract

A simple and green method was developed for the extracellular biosynthesis of silver chloride nanoparticles, free from silver nanoparticles, using cell-free filtrate of a thermotolerant fungal strain Aspergillus terreus 8. The synthesized silver chloride nanoparticles exhibited characteristic absorption maximum at 275 nm. As-fabricated AgCl-NPs were characterized by UV-vis spectroscopy, XRD, SEM-EDX, and FT-IR. The biosynthesized silver chloride nanoparticles exhibited strong antimicrobial activity towards pathogenic microorganisms such as Fusarium oxysporum f. sp. vasinfectum and Verticillium dahliae. The synthesized silver chloride nanoparticles can be exploited as a promising new biocide bionanocomposite against pathogenic microorganisms.

About the authors

Bakhtiyor A. Rasulov

Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of Ecology and Geography

Author for correspondence.
Email: bakhtiyor_1980@mail.ru
China, Xinjiang

Mohichehra A. Pattaeva

Institute of Microbiology

Email: bakhtiyor_1980@mail.ru
Uzbekistan, Tashkent

Wen-Jun Li

State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources School of Life Sciences

Email: bakhtiyor_1980@mail.ru
China, Xinggang West Road, Guangzhou

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