130578 20240126184245.0 doi 10.1016/j.eurpolymj.2020.109561 sideral 116530 ART-2020-116530 eng Roche, Alejandro (orcid)0000-0003-1391-3725 Supramolecular block copolymers as novel UV and NIR responsive nanocarriers based on a photolabile coumarin unit 2020 A new series of amphiphilic block copolymers has been prepared by ring opening polymerization (ROP) of cyclic carbonates using PEG as initiator. The light responsive unit 7–(diethylaminocoumarin)–4–yl]methyl ester has been introduced by a modular and versatile supramolecular approach, while a reference covalent copolymer has been synthesized for the shake of comparison. Synthesized copolymers showed monomodal narrow distributions and were able to self-assemble into spherical micelles when dispersed in water. UV irradiation allowed us the modification of the self-assemblies morphology, as proved by means of fluorescence spectroscopy, dynamic light scattering (DLS) and transmission electron microscopy (TEM). Both the supramolecular and covalent functionalized block copolymers were able to encapsulate small fluorescent probes as payload and to release them upon UV and NIR irradiation. © 2020 Elsevier Ltd Access copy available to the general public Unrestricted info:eu-repo/semantics/openAccess by-nc-nd http://creativecommons.org/licenses/by-nc-nd/3.0/es/ 4.598 2020 POLYMER SCIENCE 15 / 87 = 0.172 2020 Q1 T1 0.887 2020 Materials Chemistry 2020 Q1 Polymers and Plastics 2020 Q1 Physics and Astronomy (miscellaneous) 2020 Q1 Organic Chemistry 2020 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Terriac, E. Tejedor, R. M. Universidad de Zaragoza (orcid)0000-0003-1141-5933 Oriol, Luis Universidad de Zaragoza (orcid)0000-0002-0922-5615 del Campo, A. Piñol, Milagros Universidad de Zaragoza (orcid)0000-0001-5556-2172 2013 765 Universidad de Zaragoza Dpto. Química Orgánica Área Química Orgánica 126 (2020), 109561 [9 pp.] Eur. Polym. J. European Polymer Journal 0014-3057 944202 http://zaguan.unizar.es/record/130578/files/texto_completo.pdf Postprint 700496 http://zaguan.unizar.es/record/130578/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:130578 articulos driver 2024-01-26-18:11:22 ARTICLE