Journal of Biotechnology & Biomaterials
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The ecofriendly synthesis of nanoparticles through various biological means helps to explore various herbs for their ability to
synthesis nanoparticles. Generally, nanoparticles are prepared by a variety of chemical methods which are not environmentally
friendly. We report a rapid and convenient method to reductively prepare gold nanoparticles from auric chloride. In this report
we use aqueous extracts of Carthamus Tinctorius L. (Safflower) flowers was used for the synthesis of gold (Au) nanoparticles. UV-
visible spectroscopy studies were carried out to assess the formation Au nanoparticles. Transmission electron microscopy (TEM)
was used to characterize the Au nanoparticles. TEM image divulges that nano triangle and spherical shape gold nanoparticles
are formed with polydispersed size, which ranging from 40 nm to 200 nm. The antimicrobial activity of gold nanoparticles was
performed on various gram negative bacteria and fungus. The gold nanoparticles showed more inhibitory activity on pathogenic
gram negative bacteria than fungus.
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