Journal
CRITICAL REVIEWS IN BIOTECHNOLOGY
Volume 31, Issue 4, Pages 354-364Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/07388551.2010.539971
Keywords
Biosurfactants; green synthesis; nanoparticles; greener bioprocess; biological synthesis; nanoparticles-stabilization
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Funding
- Department of Science and Technology, New Delhi
- Ministry of Earth Sciences, OASTC (Goa)
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Taking into consideration the needs of greener bioprocesses and novel enhancers for synthesis using microbial processes, biosurfactants, and/or biosurfactant producing microbes are emerging as an alternate source for the rapid synthesis of nanoparticles. A microemulsion technique using an oil-water-surfactant mixture was shown to be a promising approach for nanoparticle synthesis. Biosurfactants are natural surfactants derived from microbial origin composed mostly of sugar and fatty acid moieties, they have higher biodegradability, lower toxicity, and excellent biological activities. The biosurfactant mediated process and microbial synthesis of nanoparticles are now emerging as clean, nontoxic, and environmentally acceptable green chemistry'' procedures. The biosurfactant-mediated synthesis is superior to the methods of bacterial-or fungal-mediated nanoparticle synthesis, since biosurfactants reduce the formation of aggregates due to the electrostatic forces of attraction and facilitate a uniform morphology of the nanoparticles. In this review, we highlight the biosurfactant mediated synthesis of nanoparticles with relevant details including a greener bioprocess, sources of biosurfactants, and biological synthesized nanoparticles based on the available literature and laboratory findings.
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