Charged aerosols easily arrive onto “wet” part of a leaf surface! Learn from the Nature/ 植物に学んだ。帯電したエアロゾルが親水性が高い部位に付きやすい!

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Area-selective deposition of charged particles derived from colloidal aerosol droplets on a surface with different hydrophilic levels...J. Aerosol Science. (a work by Kusdianto (Doctoral student, now with ITS, Indonesia), and Gen (Doctoral student, joined Tohoku Univ. then City Univ. Hong Kong)

Highlights
* Charged aerosol particles were derived from spraying colloidal droplets.
* Substrate with different ‘levels’ of hydrophilicity was used.
* Positively charged aerosol particles tended to approach the ‘more hydrophilic’ area.

Go to hydropilic surface

異なる親水性度をもつ基板(表面)に対して、気相中に浮遊させた帯電微粒子の挙動を調べました。
【新規性】正に帯電された浮遊微粒子がより親水性度が高い表面に沈着(付着)する傾向にあることがわかりました。
【応用展開1】材料のパターン化技術のヒント
【応用展開2】植物表面における大気中浮遊粒子の沈着の研究のヒント

We investigated the behavior of charged particles suspended in the gas phase on substrates (surfaces) with different degrees of hydrophilicity.
It was found that positively charged particles tend to deposit (adhere) to surfaces with higher hydrophilicity.
Application 1: Hints for material patterning technology
Application 2: Hints for research on the deposition of airborne particles on plant surfaces

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>>> Some journal papers from our group.

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