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J Am Chem Soc. 2010 Mar 17;132(10):3248-9. doi: 10.1021/ja9101198.

Gold nanoparticle self-similar chain structure organized by DNA origami.

Author information

1
Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA. BDing@lbl.gov

Abstract

Here we demonstrate Au nanoparticle self-similar chain structure organized by triangle DNA origami with well-controlled orientation and <10 nm spacing. We show for the first time that a large DNA complex (origami) and multiple AuNP conjugates can be well-assembled and purified with reliable yields. The assembled structure could be used to generate high local-field enhancement. The same method can be used to precisely localize multiple components on a DNA template for potential applications in nanophotonic, nanomagnetic, and nanoelectronic devices.

PMID:
20163139
DOI:
10.1021/ja9101198
[Indexed for MEDLINE]

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