Abstract
The synthesis of eco‐friendly nanoparticles is evergreen branch of nanoscience for biomedical application. Low cost of synthesis and non toxicity are main features make it more attractive potential option for biomedical field and elsewhere. Here, we report the synthesis of gold nanoparticles in aqueous medium using Terminalia catappa (Almond) leaf extract as the reducing and stabilizing agent. On treating chloroauric acid solutions with Terminalia catappa (TC) leaf extract rapid reduction of chloroaurate ions is observed leading to the formation of highly stable gold nanoparticles in solution. TEM analysis of the gold nanoparticles indicated that they ranged in size from 10 to 35 nm with average size of 21.9 nm.
Highlights
There is growing need to develop eco-friendly and body benign nanoparticle synthesis processes without use of toxic chemicals in the synthesis protocols to avoid adverse effects in biomedical applications
The main idea behind selection of TC extract is due to its anticancer[18], antibacterial[19] and antioxidant activities[20,21,22], In this paper we demonstrate method for the synthesis of gold nanoparticles by the reduction of aqueous chloroaurate ions by using Terminalia catappa leaf extract
The reduction of aqueous AuCl4-- ions during reaction with the TC leaf extract may be followed by UV-vis spectroscopy
Summary
There is growing need to develop eco-friendly and body benign nanoparticle synthesis processes without use of toxic chemicals in the synthesis protocols to avoid adverse effects in biomedical applications. Synthesis of gold nanoparticles have been shown by the reduction of aqueous AuCl4- ions using extracts from Emblica officinalis (Indian Gooseberry) fruit[15] and Tamarindus indica[16] leaf.
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