title: Ionic surfactants induce amphiphilic tris(urea) hydrogel formation.
authors.affiliation: Department of Chemistry, Faculty of Science, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan.
authors.forename: Yuki
authors.initials: Y
authors.lastname: Jinno
authors.forename: Masamichi
authors.initials: M
authors.lastname: Yamanaka