Plasmonic staining of DNA molecules with photo-induced Ag nanoparticles monitored using dark-field microscopy‡
文献情報
Yuko S. Yamamoto, Ken Hirano, Tomomi Ishido, Norio Murase, Tamitake Itoh
We demonstrate a dark-field microscopic technique for real-time monitoring of DNA metallization. The growth of silver nanoparticles on DNA molecules was observed using plasmon resonance light scattering in the presence of a weak catalyst triggering photo-reduction of Ag+. This simple strategy could facilitate the controlled fabrication of DNA-templated nanoelectronic devices.
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