Silver Nanoparticles Biosynthesis by Trichoderma viride Strains
Publish place: 1st International Congress of Nanotechnology and Its Applications in Petroleum, Gas and Petrochemical Industries
Publish Year: 1385
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICNPGP01_020
تاریخ نمایه سازی: 16 دی 1385
Abstract:
One key aspect of nanotechnology concerns the development of reliable experimental protocols for the synthesis of nanomaterials over a range of biological compositions, sizes and high monodispersity. An attractive possibility of green nanotechnology is to use micro-organisms in the synthesis of nanoparticles. Extracellular production of metal nanoparticles by several strains of the fungus Trichoderma viride was carried out. It was found that aqueous silver ions when exposed to several Trichoderma viride strains are reduced in solution, thereby leading to the formation of silver nanoparticles. The silver nanoparticles were in the range of 20–80 nm in dimensions. The reduction of the metal ions occurs by a nitrate-dependent reductase and a shuttle quinone extracellular process. The potentialities of this nanotechnological design based in fugal biosynthesis of nanoparticles for several technical applications are important, including their high potential as antibacterial material.
Authors
Khabat Vahabi
University of Kurdistan, College of Agriculture, Agronomy Dept
Sedighe Karimi
IslamicAzad University, sanandaj unit, College of Agricultur
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