Journal
NANOTECHNOLOGY
Volume 25, Issue 43, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/25/43/435608
Keywords
gold nanoparticles; amino acids; reducing agents
Funding
- Department of Science & Technology (DST) INSPIRE, India [IFA12-CH-52]
- Science Education & Research Board (SERB) of India [SB/SO/BB/0040/2013]
- Council of Scientific & Industrial Research (CSIR), India
- University Grants Commission (UGC), India
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A detailed study on the synthesis of spherical and monodispersed gold nanoparticles (AuNPs) using all of the 20 naturally occurring a-amino acids has been reported. The synthesized nanoparticles have been further characterized using various techniques such as absorbance spectroscopy, transmission electron microscopy, dynamic light scattering and nuclear magnetic resonance. Size control of the nanoparticles has been achieved by varying the ratio of the gold ion to the amino acid. These monodispersed water soluble AuNPs synthesized using non-toxic, naturally occurring alpha-amino acids as reducing and capping/stabilizing agents serve as a remarkable example of green chemistry.
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