Preparation of gold nanoparticles via direct interaction of tetrachloroauric acid with DNA

Reduction of chloroauric acid with DNA in neutral aqueous medium has been systematically studied by means of electron absorption spectroscopy and transmission electron microscopy. The reduction has afforded ultrasmall gold nanoparticles (diameter of 1 nm), which exhibit excellent stability and perfe...

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Bibliographic Details
Published in:Colloid and polymer science 2019-03, Vol.297 (3), p.433-444
Main Authors: Karpushkin, Evgeny A., Aleksandrov, Yury D., Gibalova, Anna V., Abakumov, Artem M., Lopatina, Larisa I., Sergeyev, Vladimir G.
Format: Article
Language:English
Subjects:
Aqueous solutions
Catalysis
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Chloroauric acid
Complex Fluids and Microfluidics
Deoxyribonucleic acid
DNA
Food Science
Gold
Invited Article
Nanoparticles
Nanotechnology and Microengineering
Nitrophenol
Physical Chemistry
Polymer Sciences
Reduction
Soft and Granular Matter
Transmission electron microscopy
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Summary:Reduction of chloroauric acid with DNA in neutral aqueous medium has been systematically studied by means of electron absorption spectroscopy and transmission electron microscopy. The reduction has afforded ultrasmall gold nanoparticles (diameter of 1 nm), which exhibit excellent stability and perfect catalytic properties in the model reaction of p -nitrophenol reduction.
ISSN:0303-402X
1435-1536
DOI:10.1007/s00396-018-4448-y