Engineering DNA binding sites to assemble and tune plasmonic nanostructures

Alasdair W. Clark, David G. Thompson, Duncan Graham, Jonathan M. Cooper

Research output: Contribution to journalArticle

8 Citations (Scopus)
29 Downloads (Pure)

Abstract

Single DNA-nanoparticle binding is used to couple the plasmonic fields of nanophotonic bowtie dimers. The binding event is engineered to tune the resonance peak of the bowtie to correspond with a 633 nm laser. Surface enhanced Raman spectroscopy is performed on an individual bowtie, showing that a single DNA-nanoparticle binding event can be recorded. 

Original languageEnglish
Pages (from-to)4286-4292
Number of pages7
JournalAdvanced Materials
Volume26
Issue number25
Early online date31 Mar 2014
DOIs
Publication statusPublished - 2 Jul 2014

Keywords

  • biosensor
  • DNA
  • molecular assembly
  • plasmonics
  • surface enhanced raman spectroscopy

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