Marta Gordel,1 Joanna Olesiak-Banska,1 Katarzyna Matczyszyn,1 Claude Nogues,2 K. Pawlik,3 Malcolm Buckle,4 Marek Samoc1
1Wroclaw Univ. of Technology (Poland) 2Lab. of Biology and Applied Pharmacology, CNRS. Ecole Normale Supérieure de Cachan (France) 3Polish Academy of Sciences (Poland) 4Lab. of Biology and Applied Pharmacology, CNRS. Ecole Normale Supérieure de Cachan (United States)
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We synthesized a mixture composed of gold nanoparticles of various shapes using the wet chemistry method. The final
solution contained long nanorods, balls, disks and different spherical nanoparticles. To separate particles of individual
shapes from the reaction mixture, the solution was centrifuged in a glucose density gradient. A distribution of
nanoparticles based on their diameters was observed and each section was collected independently and each type of
nanoobjects was characterised separately. Finally, the difference in nanoparticle shapes depending on the presence of
Ag+ ions in the growth solution is reported and its influence on the separation is discussed.
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Marta Gordel, Joanna Olesiak-Banska, Katarzyna Matczyszyn, Claude Nogues, K. Pawlik, Malcolm Buckle, Marek Samoc, "Shape and size separation of gold nanoparticles using glucose gradient density," Proc. SPIE 8424, Nanophotonics IV, 84242F (1 May 2012); https://doi.org/10.1117/12.922097