Abstract

A REVIEW ON GREEN SYNTHESIS OF NANOPARTICLES: PLANTS, MICROBIAL ASPECTS

Praveena B.*, Yashas M., Harish B., Hashavardhana R. and Yamuna M.

ABSTRACT

Nanotechnology has become a crucial and significant domain in the scientific realm by its multidisciplinary nature since last few decades. Nanoparticles are the tiny materials having size ranges from 1-100nm. They can be classified into different classes based on their properties, shapes and sizes. In today’s world, synthesis of nanoparticles has a greater importance in the field of medicine, drug delivery etc. The present review concentrates on the synthesis, properties and application of bio nanoparticles prepared from the cell-free extract of Spirulina platensis (cyanobacteria). In this it is also discussed about the use of bio reducing agent for the biosynthesis of nanoparticles i.e., Spirulina platensis for synthesis of nanoparticles which is ecofriendly and cost-effective method. The obtained nanoparticles are to be characterized by Scanning electron microscopy (SEM), Transmission electron microscopy (TEM) and UV-vis spectrophotometer. Antimicrobial activity of the synthesized bionanoparticles can be done by using disc diffusion method towards various bacterial strains. E.g.:-E.coli, S.epidermis, Proteus vulgaris etc.

Keywords: Bionanoparticles, Spirulina platensis, SEM and TEM, UV-visible spectrophotometer.