title: Solution polymeric optical temperature sensors with long-term memory function powered by supramolecular chemistry.
abstract: A poly[(2-ethyl-2-oxazoline)-ran-(2-nonyl-2-oxazoline)] copolymer in combination with hydroxypropylated cyclodextrins has been demonstrated to lead to a supramolecular self-assembly process that results in the formation of kinetically trapped thermoresponsive nanoparticles. Selection of the cyclodextrin type provides control over the nanoparticle phase-transition thermodynamics, thus affording optical temperature sensors with an unprecedented, long-term thermal memory function, which is reversible or irreversible. This research also sheds light onto kinetic and dynamic supramolecular assemblies, thus providing important insight because similar supramolecular processes are at the foundation of living matter.
authors.affiliation: Supramolecular Chemistry Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, 9000 Ghent (Belgium).
authors.forename: Victor R
authors.initials: VR
authors.lastname: de la Rosa
authors.forename: Richard
authors.initials: R
authors.lastname: Hoogenboom
mesh_terms: D003505:Cyclodextrins / Q000737:chemistry; D008027:Light; D053758:Nanoparticles / Q000737:chemistry; D011108:Polymers / Q000138:chemical synthesis / Q000737:chemistry*; D012542:Scattering, Radiation; D013816:Thermodynamics; D044366:Transition Temperature
chemical_list: D003505:Cyclodextrins; D011108:Polymers
keywords: cyclodextrins; nanoparticles; sensors; supramolecular interactions; thermal memory