title: Chemical stimuli-responsive supramolecular hydrogel from amphiphilic tris-urea.
authors.affiliation: Department of Chemistry, Faculty of Science, Shizuoka University, Suruga-ku, Japan. smyaman@ipc.shizuoka.ac.jp
authors.forename: Masamichi
authors.initials: M
authors.lastname: Yamanaka
authors.forename: Nana
authors.initials: N
authors.lastname: Haraya
authors.forename: Sachiyo
authors.initials: S
authors.lastname: Yamamichi