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DNA-Templated Preparation of Gold Nanoparticles
AbstractDNA-mediated gold nanoparticles were prepared by chemical reduction of DNA-Au(III) complex. The DNA-Au(III) was first formed by reacting DNA with HAuCl4 at a pH of 5.6. The complex in solution was reacted with hydrazine reducing Au(III) to Au. The reduced Au formed nanodimensional aggregates. The particle distributions were obtained by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). This method resulted in a rather uniform dispersion of Au nanoparticles of near-spherical shape and 45~80 nm in diameter. Gold nanoparticles were embedded and stabilized by DNA.
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Sohn, J.S.; Kwon, Y.W.; Jin, J.I.; Jo, B.W. DNA-Templated Preparation of Gold Nanoparticles. Molecules 2011, 16, 8143-8151.View more citation formats
Sohn JS, Kwon YW, Jin JI, Jo BW. DNA-Templated Preparation of Gold Nanoparticles. Molecules. 2011; 16(10):8143-8151.Chicago/Turabian Style
Sohn, Jeong Sun; Kwon, Young Wan; Jin, Jung Il; Jo, Byung Wook. 2011. "DNA-Templated Preparation of Gold Nanoparticles." Molecules 16, no. 10: 8143-8151.