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

Hyon Gyu Park, Jang Ho Joo, Hyogon Kim, Jae-Seung Lee

Research output: Contribution to journalArticle

25 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 languageEnglish
Pages (from-to)2278-2284
Number of pages7
JournalJournal of Physical Chemistry C
Volume116
Issue number3
DOIs
Publication statusPublished - 2012 Jan 26

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Silver
DNA
deoxyribonucleic acid
assembly
silver
Chemical modification
Chemical properties
chemical properties
Optical properties
Physical properties
flat surfaces
Nanoparticles
physical properties
optical properties
nanoparticles

ASJC Scopus subject areas

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

Cite this

Shape-dependent reversible assembly properties of polyvalent DNA-silver nanocube conjugates. / Park, Hyon Gyu; Joo, Jang Ho; Kim, Hyogon; Lee, Jae-Seung.

In: Journal of Physical Chemistry C, Vol. 116, No. 3, 26.01.2012, p. 2278-2284.

Research output: Contribution to journalArticle

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