Trace Material Capture by Controlled Liquid Droplets on a Superhydrophobic/Hydrophilic Surface

Kenta Fukada, Naoya Kawamura, Seimei Shiratori

研究成果: Article査読

7 被引用数 (Scopus)

抄録

A liquid droplet in contact with a superhydrophobic surface can be used to collect dissolved trace materials after evaporating the solvent. This process effect enhances detection limits, but a liquid droplet easily rolls off a superhydrophobic surface. Keeping it at a specific collecting spot area is challenging. Here the means for controlling and capturing a liquid droplet on a superhydrophobic surface is demonstrated. To induce a liquid droplet to a collecting spot, its rolling direction was controlled by two superhydrophobic fabric guides. The liquid droplet was then captured by hydrophilic polymer and hydrophilic nanoparticles at the measuring spot. After removing the solvent, the trace compounds were evaluated with a colorimetric analysis visible to the naked eye.

本文言語English
ページ(範囲)10391-10396
ページ数6
ジャーナルAnalytical Chemistry
89
19
DOI
出版ステータスPublished - 2017 10月 3

ASJC Scopus subject areas

  • 分析化学

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