We show how a single gold nanorod can serve as a multifunctional probe in an organized DNA matrix. Polarization analysis of two-photon luminescence excited with a femtosecond laser enables imaging of the orientation of a single nanorod, which reports the orientation of DNA strands. Carefully controlled photoinduced heating by the same laser is able to degrade the DNA matrix in a highly localized volume.
J. Olesiak-Banska, M. Gordel, K. Matczyszyn, V. Shynkar, J. Zyss and M. Samoc, Nanoscale, 2013, 5, 10975 DOI: 10.1039/C3NR03319H
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