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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Veröffentlicht in:	Colloid and polymer science 2019-03, Vol.297 (3), p.433-444
Hauptverfasser:	Karpushkin, Evgeny A., Aleksandrov, Yury D., Gibalova, Anna V., Abakumov, Artem M., Lopatina, Larisa I., Sergeyev, Vladimir G.
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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