Thermophoresis-assisted optical trapping of pyrene-labeled hydrophilic polymer chains

Kenta Ushiro; Tatsuya Shoji; Taka-Aki Asoh; Fumiya Kato; Kei Murakoshi; Yasuyuki Tsuboi

doi:10.1117/12.2319574

24 April 2018 Thermophoresis-assisted optical trapping of pyrene-labeled hydrophilic polymer chains

Kenta Ushiro, Tatsuya Shoji, Taka-Aki Asoh, Fumiya Kato, Kei Murakoshi, Yasuyuki Tsuboi

Proceedings Volume 10712, Optical Manipulation Conference; 107120I (2018) https://doi.org/10.1117/12.2319574
Event: SPIE Structured Light, 2018, Yokohama, Japan

Abstract

We found that plasmonic optical trapping of soft nanomaterials were driven not only by an enhanced optical force but also by thermophoretic force. Since thermophoresis exerted on the nanomaterials strongly depends on their size and the surrounding medium, it is potentially applicable for a manipulation method of nanomaterials. In the present study, by taking advantage of the thermophoresis, we demonstrated thermophoresis-assisted optical trapping of pyrene-labeled hydrophilic polymer chains on plasmonic nanostructures.

Citation Download Citation

Kenta Ushiro, Tatsuya Shoji, Taka-Aki Asoh, Fumiya Kato, Kei Murakoshi, and Yasuyuki Tsuboi "Thermophoresis-assisted optical trapping of pyrene-labeled hydrophilic polymer chains", Proc. SPIE 10712, Optical Manipulation Conference, 107120I (24 April 2018); https://doi.org/10.1117/12.2319574

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