BIOSYNTHESIS OF AgNPs WITH THREE WIDESPREAD LOAM FUNGI VIA ASPERGILLUS FUMIGATUS, FUSARIUM SPP. RHIZOPUS SPP
Journal Title: Mintage journal of pharmaceutical and medical sciences - Year 2016, Vol 5, Issue 4
Abstract
Objectives: Biosynthesis of silver nanoparticles using fungi Aspergillus fumigatus, Fusarium spp. and Rhizopus spp. for the potential synthesis of metal nanoparticles. Methods: The standard techniques have been followed for the AgNPs synthesis characterizations. Spectral analysis of UV-visible spectroscopy, Transmission Electron Microscopy, X-ray diffraction studies, energy dispersive X-ray, Fourier transforms infrared spectroscopy. Results: The hurried decline of silver (Ag+) ions was monitored using a UV-visible spectrophotometer and showed the formation of silver nanoparticles within 28 minutes. Transmission electron microscopy (TEM) showed that the synthesized silver nanoparticles are varied from 15-50 nm and have the varying in shapes like round, rod, uneven. Further, the XRD analysis confirms the nano-crystalline phase of the silver structure. FTIR examinations confirm the Silver particles. The present study, it reveals the increasing broth concentration increases the rate of reduction and decreases the particle size. Conclusion: The AgNPs were biologically synthesized using isolated fungal species biomass from the soil of loam. The cell filtrate of fungi was challenged with 1mm Silver nitrate, change of mixture from colorless to orange-brown indicates the synthesis of AgNPs in the reaction mixture. The isolated fungi are an important producer of Silver nanoparticles.
Authors and Affiliations
g. m. vidyasagar, p. shivakumar singh
Keywords
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