title: Mixed metal nanoparticle assembly and the effect on surface-enhanced Raman scattering.
abstract: Here we report the assembly of mixed metal nanoparticles using an oligonucleotide-templated approach. Substitution of one of the gold nanoparticle probes with an analogous silver probe to produce a hetero-metal duplex permitted surface-enhanced Raman scattering of a dye label, exploiting the improved surface enhancement properties of silver nanoparticles whilst maintaining the surface chemistry benefits of gold nanoparticles.
authors.affiliation: Centre for Molecular Nanometrology, Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, UK.
authors.forename: Fiona
authors.initials: F
authors.lastname: McKenzie
authors.forename: Karen
authors.initials: K
authors.lastname: Faulds
authors.forename: Duncan
authors.initials: D
authors.lastname: Graham
mesh_terms: D006046:Gold / Q000737:chemistry; D053768:Metal Nanoparticles / Q000737:chemistry*; D009841:Oligonucleotides / Q000737:chemistry; D012834:Silver / Q000737:chemistry; D013059:Spectrum Analysis, Raman
chemical_list: D009841:Oligonucleotides; D012834:Silver; D006046:Gold