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天神林 瑞樹
305-0047 茨城県つくば市千現1-2-1 [アクセス]
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Biomimetics; Superhydrophobicity; Wettability; Functional Materials; Interface

Engineering Nature Inspired Functional Materials with Special Wettability. Mizuki Tenjimbayashi got Ph.D. in engineering from Sep. 2017 in Prof. Seimei Shiratori Lab, Keio University. His research focuses on engineering bioinspired funcitonal materials with special-wettability (e.g. lotus inspired superhydrophobic surface, spider web inspired oil-water separation membrane, cactus inspired hydrophobic/hydrophilic patterned surface, nepenthes inspired slippery surface, raindrop on puddle inspired superhydrophobic-slippery switch materials) and their applications (e.g. liquid manipulation, liquid actuator, micro-reactor, filter, anti-fouling, anti-corrosion, anti-icing, medical device coating, sensor, heat transfer condensation device, battery electrode, optical device, cell culturing scaffold). He is now trying to discover new wetting phenomenon.The field of engineering biomimetic superwettable mateirals is not popular in Japan; however this would have broad technological implications for areas ranging from industry to medicine.


Biomimetics is an interdisciplinary field in which principles from engineering, and chemistry are applied to the functional materials that mimic biological processes. The field may serve as a source of bio-inspiration for the materials scientist. His work is engineering biomimetic functional materials with special-wettability. For example, as shown in Figure, he developed bioinspired superhydrophobic materials, droplet slipping coating materials, directional wetting surface treatments, and smart-wetting systems. Especially, wettability independent perfect-omniphobicity (contact angle>179.8 degree against various liquids include perfluoropolyether, hexadecane, rapeseed oil, and water) is achieved inspired by raindrop on puddle phenomenon; the slippery coating named "SPLASH" is super-durable, transparent, and possesses extraordinary hydrophobicity (contact angle hysteresis<1 degree); and the dynamically hydrophobic but statically hydrophobic/hydrophilic surfaces are designed as adhesion-free unidirectional micro-liquid transporter. See selected papers for further details.




日本化学会, コロイドおよび界面化学部会, 高分子学会


  • Keio University Excellent Research Award (2018)
  • JSPS Research Fellow PD (2017)
  • JSPS Research Fellow DC1 (2016)
  • Keio University Award for Material Design Science Course (2016)
  • Fujiwara Award (Scholarship) (2015)
  • Keio University the 15'th Applied Physics and Physico-Informatics chief award (2014)


  • 科研費若手 (2018)
  • 科研費特別研究員奨励費 (2016)
  • KLL研究奨励費 (2015)