Shape-dependent reversible assembly properties of polyvalent DNA-silver nanocube conjugates

Hyon Gyu Park; Jang Ho Joo; Hyo Gon Kim; Jae Seung Lee

doi:10.1021/jp210732u

Shape-dependent reversible assembly properties of polyvalent DNA-silver nanocube conjugates

Hyon Gyu Park, Jang Ho Joo, Hyo Gon Kim, Jae Seung Lee

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

We have synthesized polyvalent DNA-silver nanocube conjugates and investigated their chemical and physical properties. The DNA loading of the conjugates has been effectively controlled via chemical modification of the cube surface. Importantly, we have discovered that the reversible cooperative assembly properties of the conjugates are significantly associated with the flat surface of the conjugates' cubic structure, which is distinctive from the conventional DNA-spherical nanoparticle conjugates. A DNA detection scheme based upon the distance-dependent optical properties of DNA-silver nanocube conjugates has been demonstrated.

Original language	English
Pages (from-to)	2278-2284
Number of pages	7
Journal	Journal of Physical Chemistry C
Volume	116
Issue number	3
DOIs	https://doi.org/10.1021/jp210732u
Publication status	Published - 2012 Jan 26

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy(all)
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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AB - We have synthesized polyvalent DNA-silver nanocube conjugates and investigated their chemical and physical properties. The DNA loading of the conjugates has been effectively controlled via chemical modification of the cube surface. Importantly, we have discovered that the reversible cooperative assembly properties of the conjugates are significantly associated with the flat surface of the conjugates' cubic structure, which is distinctive from the conventional DNA-spherical nanoparticle conjugates. A DNA detection scheme based upon the distance-dependent optical properties of DNA-silver nanocube conjugates has been demonstrated.

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Shape-dependent reversible assembly properties of polyvalent DNA-silver nanocube conjugates

Abstract

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