Efficient thermal lens nanoparticle detection in a flow-focusing microfluidic device

Satomi Yamaoka, Yui Kataoka, Yuto Kazama, Yusaku Fujii, Akihide Hibara

研究成果: Article査読

11 被引用数 (Scopus)

抄録

A flow-focusing microfluidic device was fabricated for thermal lens nanoparticle detection. In this device, sample flow was first sandwiched by lateral z-axis sheath flows, and then by horizontal xy-plane sheath flows. The three-dimensional flow focus was visualized using an aqueous dye solution. Subsequently, 500-nm-sized red polystyrene particles were individually detected by the thermal lens detection method. When 1 μL of sample solution containing 300 particles/μL was passed through the thermal lens detection point, 255 ± 20 peaks corresponding to particles were observed.

本文言語English
ページ(範囲)581-586
ページ数6
ジャーナルSensors and Actuators, B: Chemical
228
DOI
出版ステータスPublished - 2016 6月 2
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 器械工学
  • 凝縮系物理学
  • 表面、皮膜および薄膜
  • 金属および合金
  • 電子工学および電気工学
  • 材料化学

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