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Chirality of silver nanoparticles synthesized on DNA |
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| Authors: | Shemer Gabriel Krichevski Olga Markovich Gil Molotsky Tatiana Lubitz Irit Kotlyar Alexander B |
| Institution: | School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences and Department of Biochemistry, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, 69978, Israel. |
| Abstract: | Silver nanocrystals grown on a poly(dG)-poly(dC) double stranded DNA scaffold displayed circular dichroism at their surface plasmon excitation band. This chiral plasmon signature was not observed in a control experiment where silver nanocrystals of similar size were produced without the DNA template and adsorbed to the DNA. It is concluded that the DNA templated Ag nanocrystals had a preferred structural handedness. |
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