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Review Article - Asian Journal of Biomedical and Pharmaceutical Sciences (2018) Volume 8, Issue 64
Microorganism Assisted Synthesis of Gold Nanoparticles: A Review
Synthesis of Gold nanoparticles has gained interest of many researchers in the field of application research. A number of chemical and physical methods for the synthesis of Nanoparticles have been used traditionally. But, owing to the disadvantages these methods have, there has been a shift from physical and chemical methods to the biological methods involving various strains of microorganisms. This has been proved a promising approach as the nanoparticles produce are cost and energy-efficient manner; also they are non-toxic and can be used in the clinical fields as well. There are certain enzymes present in a few microorganisms like Yeast, Algae, Bacteria, Fungi, etc. which reduces the Au+ ion to its corresponding nanoparticles. This paper provides a brief overview of the biosynthesis of Gold Nanoparticles using various microorganisms. This includes the methods used and discussion about the shortcomings as well as the future prospects of using Gold colloids in various medical fields. The toxicity aspect which is the grave concern related to metal nanoparticles worldwide has also been covered so as to provide the readers with valuable information regarding nanoparticles synthesis and applications.
Author(s): Nikita Sehgal, Kriti Soni, Navika Gupta, Kanchan Kohli