What is it about?
The production of gold nanoparticles (GNPs) by amino acid is one of the most attractive and interesting subjects in nanobiotechnology. In this study, amino acids have been utilised as a reducing agent and also an agent for capping GNPs.
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Why is it important?
The GNPs were prepared using a reduction solution containing gold cations with optimum concentration of gold salt (5 mM), and also functionalised by glutamic acid, phenylalanine and tryptophan with optimum concentration of amino acids (25 mM). The optimum condition of gold solution and amino acids were achieved by ultraviolet–visible spectroscopy. The size of nanoparticles was obtained 5–20, 10–20 and 20–30 nm, respectively, by transmission electron microscopy and dynamic light scattering techniques
Perspectives
the medical applications of amino acids and proteins can be used as a practical method due to the strong interaction of peripheral amine groups with nanoparticles.
Dr Kamyar Khoshnevisan
Tehran University of Medical Sciences
Read the Original
This page is a summary of: Fabrication of capped gold nanoparticles by using various amino acids, Journal of Experimental Nanoscience, February 2013, Taylor & Francis,
DOI: 10.1080/17458080.2012.752582.
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