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Proceedings Paper

Nanoaquarium: integrated microchips fabricated by ultrafast laser for understanding phenomena and functions of microorganisms
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Paper Abstract

We demonstrate to fabricate microfluidic chips integrated with some functional microcomponents such as optical attenuators and optical waveguides by femtosecond laser direct writing for understanding phenomena and functions of microorganisms. Femtosecond laser irradiation followed by annealing and wet etching in dilute hydrofluoric acid solution resulted in fabrication of three-dimensional microfludic structures embedded in a photosensitive glass. The embedded microfludic structures enabled us to easily and efficiently observe Phormidium gliding to the seedling root, which accelerates growth of the vegetable. In addition, integration of optical attenuators and optical waveguides into the microfluidic structures clarified the mechanism of the gliding movement of Phormidium. We termed such integrated microchips nanoaquariums, realizing the highly efficient and functional observation and analysis of various microorganisms.

Paper Details

Date Published: 23 December 2011
PDF: 11 pages
Proc. SPIE 8204, Smart Nano-Micro Materials and Devices, 820427 (23 December 2011); doi: 10.1117/12.904648
Show Author Affiliations
Koji Sugioka, RIKEN (Japan)
Yasutaka Hanada, RIKEN (Japan)
Katsumi Midorikawa, RIKEN (Japan)
Hiroyuki Kawano, RIKEN (Japan)
Ikuko S. Ishikawa, RIKEN (Japan)
Atsushi Miyawaki, RIKEN (Japan)


Published in SPIE Proceedings Vol. 8204:
Smart Nano-Micro Materials and Devices
Saulius Juodkazis; Min Gu, Editor(s)

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