Green Synthesis of Silver Nanoparticles Induced by the Fungus Penicillium citrinum
By S. Honary, H. Barabadi, Eshrat Gharaei-Fathabad. 2013
194 citations recorded by the source corpus.
Purpose: To evaluate a green process for the extracellular production of silver (Ag) nanoparticles synthesized and stabilized using Penicillium citrinum isolated from soil. Methods: The pure colonies of Penicillium citrinum were cultured in Czapek dox broth. The supernatant of the broth was examined for the ability to produce silver nanoparticles. The reactions were performed in a dark compartment at 28 oC. After 24 h, the synthesized silver nanoparticles were filtered through a membrane filter (0.45 µ) and characterized by UV-visible spectroscopy, fluorescence spectroscopy, photon correlation spectroscopy (PCS), scanning electron microscopy (SEM) and Fourier transformed infrared spectroscopy (FTIR) for particle size, shape and the presence of different functional groups in the nanoparticles. Results: The silver nanoparticles formed were fairly uniform in size with a spherical shape and a Zaverage diameter of 109 nm. FTIR spectra revealed the presence of amide linkage groups which were also found in the fungal extract itself. Conclusion: The current approach suggests that rapid synthesis of nanoparticles of silver nitrate would be suitable for developing a biological process for mass scale production of formulations.
Subfields: Biomedical Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/8db81bc79fb34cf4b2e06d334548d8652386b4b3
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In Biomedical Engineering
In Materials Chemistry
Citations in the corpus
- A review on green synthesis of silver nanoparticles and their applications (2017, background): “2013) Penicillium citrinum AgNO3 Extracellular 109 Uniform spherical (Honary et al. 2013) Filamentous fungus Penicillium sp.”