Mechanistic aspects of biosynthesis of silver nanoparticles by several Fusarium oxysporum strains

By N. Durán, P. Marcato, O. L. Alves, G. D. De Souza, E. Esposito. Journal of Nanobiotechnology, 2005

1,212 citations recorded by the source corpus.

Extracellular production of metal nanoparticles by several strains of the fungus Fusarium oxysporum was carried out. It was found that aqueous silver ions when exposed to several Fusarium oxysporum strains are reduced in solution, thereby leading to the formation of silver hydrosol. The silver nanoparticles were in the range of 20–50 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.

Subfields: Biomedical Engineering, Environmental Engineering, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/62fa9d19c013deeb609d6b181ec09a2627764257

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Citations in the corpus

Lactobacillus Mediated Synthesis of Silver Oxide Nanoparticles (2012, result): “These results compare well with the previous observations reported in the studies of silver nanoparticles on Fusarium oxysporum [37] and Lactobacillus fermentum [41].”
Biosynthesis of silver nanoparticles using Ocimum sanctum (Tulsi) leaf extract and screening its antimicrobial activity (2011, background): “2001; Nair and Pradeep 2002), fungi (Mukherjee et al. 2001; Ahmad et al. 2003a; Duran et al. 2005), and plants (Shankar et al.”
Biosynthesis of silver nanoparticles by marine bacterium, Idiomarina sp. PR58-8 (2012, background): “…selective coating for solar energy absorption, biolabelling (Joerger et al 2000), intercalation materials for electrical batteries, as optical receptors, catalyst in chemical reactions, antibacterial capacities (Duran et al 2005) and in vitro inhibition of HIV-1 (Elechiguerra et al 2005).”
Nitrate reductase-mediated synthesis of silver nanoparticles from AgNO3 (2007, background): “mechanism proposed for in vivo conversion of AgNO3 to silver nanoparticles by Fusarium genus (Duran et al. 2005).”
A Review on the Green Synthesis of Silver Nanoparticles and Their Morphologies Studied via TEM (2015, background): “Extracellular synthesis is advantageous as the synthesized nanoparticles will not bind to the biomass [16, 17] and it is therefore possible to extend this approach for the biosynthesis of nanomaterials over a range of chemical compositions, such as oxides, nitrides, and so forth.”
Recent Advances in Microbial Metal Bioaccumulation (2013, background): “Fungi, such as Verticillium, produce silver nanoparticles intracellularly while Fusarium oxysporum and Aspergillus niger have been shown to produce silver nanoparticles extracellularly (Ahmad et al., 2003; Duran et al., 2005; Sadowski et al., 2008; Sastry et al., 2003).”
Qualitative assessment of silver and gold nanoparticle synthesis in various plants: a photobiological approach (2010, background): “These have potential applications, as optical receptors (Schultz et al. 2000), as catalysts in chemical reactions, for biolabelling (Hayat 1990 )a s antimicrobials (Kowshik et al. 2003; Dabbagh et al. 2008; Duran et al. 2005 ).”
EXTRACELLULAR BIOSYNTHESIS OF SILVER NANOPARTICLES USING ESCHERICHIA COLI ATCC 8739, BACILLUS SUBTILIS ATCC 6633, AND STREPTOCOCCUS THERMOPHILUS ESH1 AND THEIR ANTIMICROBIAL ACTIVITIES (2011, background): “In this context, several hydrogenous intermediates were reported as electron shuttles in the process of metal reduction [15, 22].”
Biosynthesis of silver nanoparticles using aqueous extract from the compactin producing fungal strain (2009, background): “The reduction of silver ions by several Fusarium oxysporum strains has been attributed to a nitrate-dependent reductase and a shuttle quinone extracellular process [11].”