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Conferences > OPJ > 2017 > NOM2 > 30pON1
  • 2017 OPJ-OSA Joint Symposia on Nanophotonics and Digital Photonics
  • OSA Technical Digest (online) (Optica Publishing Group, 2017),
  • paper 30pON1

Label-Free Single-Molecule Thermoscopy Using a Laser - Heated Nanopore

Hirohito Yamazaki, Rui Hu, Robert Y. Henley, Justin Halman, Kirill A. Afonin, Dapeng Yu, Qing Zhao, and Meni Wanunu

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Abstract

In the presentation, we show that photoexcitation of a silicon nitride nanopore using a focused visible laser results in efficient localized photothermal heating. Our theoretical and experimental results probed that the nanopore current can be used as a nanoscale thermometer. Finally, We utilize this to probe thermal melting transitions in synthetic and native biomolecules that are heated at the nanopore.

© 2017 Optical Society of Japan

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