title: Quadruple hydrogen bonded systems.
abstract: In this feature article, the development of linear quadruple hydrogen bonded systems is discussed, emphasizing applications in supramolecular chemistry and self-assembly.
authors.affiliation: Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands. r.p.sijbesma@tue.nl
authors.forename: Rint P
authors.initials: RP
authors.lastname: Sijbesma
authors.forename: E W
authors.initials: EW
authors.lastname: Meijer