Colorimetric Study of the Interaction Between Gold Nanoparticles and a Series of Amino Acids
Study of the interaction between gold nanoparticles and a series of amino acids is reported in this paper. Amino acids with thiol, amine, or hydroxyl groups in their side chains are proven to make gold nanoparticles self-assemble under certain conditions. There is a progression of the
effect on self-assembly of gold nanoparticles from hydroxyl < amine < thiol. Meanwhile, concentration of amino acids and the pH value of the solution have been found to be important for amino acids to exert the interesting effect on self-assembly of the nanoparticles.
Keywords: AMINO ACIDS; COLORIMETRY; GOLD NANOPARTICLES; SELF-ASSEMBLY
Document Type: Research Article
Publication date: 01 January 2008
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