Thermo-plasmonic manipulation of living cyanobacteria on a gold nanostructure

Shota Naka; Tatsuya Shoji; Yumi Wakisaka; Kei Murakoshi; Tadashi Mizoguchi; Hitoshi Tamiaki; Yasuyuki Tsuboi

doi:10.1117/12.2276226

18 April 2017 Thermo-plasmonic manipulation of living cyanobacteria on a gold nanostructure

Shota Naka, Tatsuya Shoji, Yumi Wakisaka, Kei Murakoshi, Tadashi Mizoguchi, Hitoshi Tamiaki, Yasuyuki Tsuboi

Proceedings Volume 10252, Optical Manipulation Conference; 1025204 (2017) https://doi.org/10.1117/12.2276226
Event: SPIE Technologies and Applications of Structured Light, 2017, Yokohama, Japan

Abstract

We present a novel manipulation technique for living cyanobacteria on a plasmonic substrate. Upon plasmon excitation, a local temperature around the excitation area was elevated, leading to a microbubble formation in water. Subsequently, living cyanobacteria were transported to the microbubble by a thermal convection. The cyanobacteria were permanently fixed on the area even after switching off the plasmon excitation. We found that about a half of the fixed cyanobacteria were alive. We succeeded in a micro-ring pattern of living cyanobacteria by the technique.

Citation Download Citation

Shota Naka, Tatsuya Shoji, Yumi Wakisaka, Kei Murakoshi, Tadashi Mizoguchi, Hitoshi Tamiaki, and Yasuyuki Tsuboi "Thermo-plasmonic manipulation of living cyanobacteria on a gold nanostructure", Proc. SPIE 10252, Optical Manipulation Conference, 1025204 (18 April 2017); https://doi.org/10.1117/12.2276226

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