Issue 25, 2013
From the journal:

Physical Chemistry Chemical Physics

Plasmonic staining of DNA molecules with photo-induced Ag nanoparticles monitored using dark-field microscopy†‡

Yuko S. Yamamoto,*a   Ken Hirano,a   Tomomi Ishido,a   Takao Yasui,bc   Norio Murase,a   Yoshinobu Babaabc  and  Tamitake Itoh*a  

* Corresponding authors

a Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa 761-0395, Japan
E-mail: ys-yamamoto@aist.go.jp, tamitake-itou@aist.go.jp
Fax: +81-87-869-4113
Tel: +81-87-869-3557

b FIRST Research Center for Innovative Nanobiodevices, Nagoya University, Chikusa, Nagoya 464-8603, Japan
E-mail: babaymtt@apchem.nagoya-u.ac.jp
Fax: +81-52-789-4666
Tel: +81-52-789-4664

c Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan

Abstract

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.

Graphical abstract: Plasmonic staining of DNA molecules with photo-induced Ag nanoparticles monitored using dark-field microscopy

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DOI
https://doi.org/10.1039/C3CP51494C
Article type
Communication
Submitted
09 Apr 2013
Accepted
08 May 2013
First published
09 May 2013

Phys. Chem. Chem. Phys., 2013,15, 10316-10320

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Plasmonic staining of DNA molecules with photo-induced Ag nanoparticles monitored using dark-field microscopy

Y. S. Yamamoto, K. Hirano, T. Ishido, T. Yasui, N. Murase, Y. Baba and T. Itoh, Phys. Chem. Chem. Phys., 2013, 15, 10316 DOI: 10.1039/C3CP51494C

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