Fungus-Mediated Synthesis of Silver Nanoparticles and Their Immobilization in the Mycelial Matrix: A Novel Biological Approach to Nanoparticle Synthesis
Priyabrata MukherjeeDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaAbsar AhmadDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaDindyal MandalDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaSatyajyoti SenapatiDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaS. R. SainkarDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaM. Islam KhanDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaRenu ParishchaDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaP. V. AjaykumarDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaMansoor AlamDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaRajiv KumarDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, IndiaMurali SastryDivisons of Catalysis, Biochemical Science, and Materials Chemistry, National Chemical Laboratory, Pune - 411 008, India
2001en
ABI
Аннотация
A novel biological method for the synthesis of silver nanoparticles using the fungus Verticillium is reported. Exposure of the fungal biomass to aqueous Ag+ ions resulted in the intracellular reduction of the metal ions and formation of silver nanoparticles of dimensions 25 ± 12 nm. Electron microscopy analysis of thin sections of the fungal cells indicated that the silver particles were formed below the cell wall surface, possibly due to reduction of the metal ions by enzymes present in the cell wall membrane. The metal ions were not toxic to the fungal cells and the cells continued to multiply after biosynthesis of the silver nanoparticles.
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