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 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

ASJC Scopus subject areas

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

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