Facile microcapsule fabrication by spray deposition of a supramolecular hydrogel

Atsuomi Shundo; Yuuki Hoshino; Takahiro Higuchi; Yuji Matsumoto; David P. Penaloza Jr; Keigo Matsumoto; Masashi Ohno; Katsuaki Miyaji; Masahiro Goto; Keiji Tanaka

doi:10.1039/C4RA04636F

Facile microcapsule fabrication by spray deposition of a supramolecular hydrogel†

Atsuomi Shundo,*^ab Yuuki Hoshino,^c Takahiro Higuchi,^a Yuji Matsumoto,^a David P. Penaloza Jr,‡^a Keigo Matsumoto,^cd Masashi Ohno,^d Katsuaki Miyaji,^d Masahiro Goto^ae and Keiji Tanaka*^abce

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^a Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
E-mail: k-tanaka@cstf.kyushu-u.ac.jp, a-shundo@cstf.kyushu-u.ac.jp
Fax: +81-92-802-2880
Tel: +81-92-802-2878

^b International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Fukuoka 819-0395, Japan

^c Department of Automotive Science, Kyushu University, Fukuoka 819-0395, Japan

^d Nissan Chemical Industries, Ltd., Tokyo 101-0054, Japan

^e Center for Future Chemistry, Kyushu University, Fukuoka 819-0395, Japan

Abstract

A peptide amphiphile dispersed in water induces the formation of a supramolecular hydrogel. By spraying this hydrogel onto a solid surface, its hierarchical fibril structure remained unchanged even after water evaporation. Interestingly, there were microcapsules on the substrate surface as a result of the process of spray-drying the hydrogel.

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Facile microcapsule fabrication by spray deposition of a supramolecular hydrogel†

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