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Engineering DNA binding sites to assemble and tune plasmonic nanostructures

Clark, Alasdair W. and Thompson, David G. and Graham, Duncan and Cooper, Jonathan M. (2014) Engineering DNA binding sites to assemble and tune plasmonic nanostructures. Advanced Materials, 26 (25). pp. 4286-4292. ISSN 0935-9648

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    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.