title: Patchy nanocapsules of poly(vinylferrocene)-based block copolymers for redox-responsive release.
abstract: Nanocapsules composed of a poly(vinylferrocene)-block-poly(methyl methacrylate) shell and a hydrophobic liquid core are prepared in water. The nanocapsule shells display a patchy structure with poly(vinylferrocene) patches with sizes of 25 ± 3 nm surrounded by poly(methyl methacrylate). The functional nanopatches can be selectively oxidized, thereby influencing the colloidal morphology and introducing polar domains in the nanocapsule shell. The hydrophobic to hydrophilic transition in the redox-responsive nanopatches can be advantageously used to release a hydrophobic payload encapsulated in the core by an oxidation reaction.
authors.affiliation: Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
authors.forename: Roland H
authors.initials: RH
authors.lastname: Staff
authors.forename: Markus
authors.initials: M
authors.lastname: Gallei
authors.forename: Markus
authors.initials: M
authors.lastname: Mazurowski
authors.forename: Matthias
authors.initials: M
authors.lastname: Rehahn
authors.forename: Rüdiger
authors.initials: R
authors.lastname: Berger
authors.forename: Katharina
authors.initials: K
authors.lastname: Landfester
authors.forename: Daniel
authors.initials: D
authors.lastname: Crespy
mesh_terms: D003692:Delayed-Action Preparations / Q000737:chemistry*; D005296:Ferrous Compounds / Q000737:chemistry*; D057927:Hydrophobic and Hydrophilic Interactions; D008422:Materials Testing; D053769:Nanocapsules / Q000737:chemistry* / Q000648:ultrastructure*; D010084:Oxidation-Reduction; D019904:Polymethyl Methacrylate / Q000737:chemistry*; D011145:Polyvinyls / Q000737:chemistry*; D014867:Water / Q000737:chemistry*
chemical_list: D003692:Delayed-Action Preparations; D005296:Ferrous Compounds; D053769:Nanocapsules; D011145:Polyvinyls; C451099:polyvinylferrocenium; D014867:Water; D019904:Polymethyl Methacrylate