Hiroto Shikagawa

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A single-nucleotide polymorphism (SNP) detection method was developed by combining single-base primer extension and salt-induced aggregation of gold nanoparticles densely functionalized with double-stranded DNA (dsDNA-AuNP). The dsDNA-AuNPs undergo rapid aggregation in a medium of high ionic strength, whereas particles having a single-base protrusion at the(More)
Self-assembled structures of metallic nanoparticles with dynamically changeable interparticle distance hold promise for the regulation of collective physical properties. This paper describes gold nanoparticle dimers and trimers that exhibit spontaneous and reversible changes in interparticle distance. To exploit this property, a gold nanoparticle is(More)
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