Analyzing formation of silver nanoparticles from the filamentous fungus Fusarium oxysporum and their antimicrobial activity

Turkish Journal of Biology = Türk Biyoloji Dergisi
Abd-Almohaimen AhmedMohammed Maaroof

Abstract

In recent years much attention has been paid to the biosynthesis of silver nanoparticles (AgNPs) and their important medical applications. The current study employs Fusarium oxysporum for the formation of silver nanoparticles and examines the antimicrobial activity of the particles against some multidrug-resistant (MDR) microbes. Silver nitrate was transformed into silver oxide, forming well-dispersed nanoparticles, by the action of F. oxysporum metabolically. The size of the nanoparticles ranged from 21.3 to 37.3 nm, and UV-spectroscopy showed a peak at 408-411 nm. Moreover, SEM, TEM, and AFM results revealed spherical and oval shapes and showed no sign of aggregation. Furthermore, the FT-IR histogram detected amide I and amide II, which are responsible for the stability of AgNPs in the aqueous solution. The AgNPs halted the growth of MDR bacteria, including some members of Enterobacteriaceae and Staphylococcus species at a concentration of 50% (v/v). The AgNPs also have the ability to inhibit pathogenic yeasts Candida albicans and Candida krusei. The AgNPs displayed antigrowth activity against MDR microbes, suggesting that they might be potential alternatives to antibiotics. However, additional studies may be necessary to sub...Continue Reading

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Citations

Mar 19, 2019·Artificial Cells, Nanomedicine, and Biotechnology·Aman Gour, Narendra Kumar Jain
Aug 25, 2020·Journal of Inorganic and Organometallic Polymers and Materials·Pallavi ChaudharyAnkur Kumar
Dec 21, 2018·International Journal of Molecular Sciences·Muhammad OvaisSudip Mukherjee
Oct 6, 2020·Frontiers in Cellular and Infection Microbiology·Brenda KischkelCarlos P Taborda
May 8, 2020·Biological Trace Element Research·Salem S Salem, Amr Fouda
Feb 23, 2021·Water Environment Research : a Research Publication of the Water Environment Federation·Youssef M M Mohammed, Yasser I Khedr
Aug 25, 2021·Journal, Genetic Engineering & Biotechnology·Deeksha ChughBannhi Das

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