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Mixed metal nanoparticle assembly and the effect on surface enhanced raman scattering

Mckenzie, Fiona and Faulds, Karen and Graham, Duncan (2010) Mixed metal nanoparticle assembly and the effect on surface enhanced raman scattering. Nanoscale, 2 (1). pp. 78-80. ISSN 2040-3372

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    Here we report the assembly of mixed metal nanoparticles using an oligonucleotide-templated approach. Substitution of one of the gold nanoparticle probes with an analagous silver probe to produce a hetero-metal duplex permitted surface enhanced Raman scattering of the dye label, exploiting the improved surface enhancement properties of silver nanoparticles whilst maintaining the surface chemistry benefits of gold nanoaprticles