Biosynthesis of silver nanoparticles using Penicillium verrucosum and analysis of their antifungal activity |
| |
Authors: | Mohamed A Yassin Abdallah M Elgorban Abd El-Rahim MA El-Samawaty Bandar MA Almunqedhi |
| |
Institution: | 1. Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia;2. Agricultural Research Centre, Plant Pathology Research Institute, Giza, Egypt;3. Center of Excellence in Biotechnology Research, King Saud University, Riyadh, Saudi Arabia |
| |
Abstract: | The present study describes the biosynthesis of silver nanoparticles, using the fungus Penicillium verrucosum. The silver nanoparticles were synthesised by reacting silver nitrate (AgNO3) with the cell free filtrates of the fungal culture, and were then characterized by UV–visible spectroscopy, transmission electron microscopy, scanning electron microscopy, energy-dispersive, and X-ray diffraction analysis to further evaluate their successful biosynthesis, optical and morphological features (size and shape), and crystallinity. The bioactivity of the synthesized nanoparticles against two phytopathogenic fungi i.e: Fusarium chlamydosporum and Aspergillus flavus was evaluated using nanomaterial seeding media. These biogenic silver nanoparticles were polydisperse in nature, with a size of 10–12 nm. With regard to the antifungal activity, 150 ppm of the nanoparticles suppressed the growth of F. chlamydosporum and A. flavus by about 50%. To the best of our knowledge, this is the first report on the use of P. verrucosum to synthesise silver nanoparticles. The present study demonstrates a novel, simple, and eco-friendly process for the generation of biofunctionally useful biogenic nanoparticles. |
| |
Keywords: | Nanoscience Antifungal activity Nanomaterials Fungus Characterisations |
本文献已被 ScienceDirect 等数据库收录! |
|