{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T22:57:05Z","timestamp":1776725825899,"version":"3.51.2"},"reference-count":25,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2005,3,23]],"date-time":"2005-03-23T00:00:00Z","timestamp":1111536000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Adv Funct Materials"],"published-print":{"date-parts":[[2005,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this paper we report the encapsulation of the compound 4\u2032,7\u2010dihydroxyflavylium in a water\u2010permeable crosslinked poly(2\u2010hydroxyethyl methacrylate) matrix. The water permeability of the polymer and its transparency allow the use of pH and light stimuli to attain different states on the network defined by the various chemical reactions (multistate\/multifunctional system). Unlike in water, in the polymer the compound 4\u2032,7\u2010dihydroxyflavylium encapsulated exhibits a thermal barrier between the <jats:italic>cis<\/jats:italic>\u2010 and <jats:italic>trans\u2010<\/jats:italic>chalcones, a necessary requirement to define a write\u2013read\u2013erase cycle.<\/jats:p>","DOI":"10.1002\/adfm.200400274","type":"journal-article","created":{"date-parts":[[2005,3,23]],"date-time":"2005-03-23T06:50:59Z","timestamp":1111560659000},"page":"541-545","source":"Crossref","is-referenced-by-count":46,"title":["Write\u2013Read\u2013Erase Molecular\u2010Switching System Trapped in a Polymer Hydrogel Matrix"],"prefix":"10.1002","volume":"15","author":[{"given":"F.","family":"Galindo","sequence":"first","affiliation":[]},{"given":"J.\u2009C.","family":"Lima","sequence":"additional","affiliation":[]},{"given":"S.\u2009V.","family":"Luis","sequence":"additional","affiliation":[]},{"given":"A.\u2009J.","family":"Parola","sequence":"additional","affiliation":[]},{"given":"F.","family":"Pina","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2005,3,23]]},"reference":[{"key":"e_1_2_1_2_2","unstructured":"J.\u2010M. Lehn Supramolecular Chemistry Wiley\u2010VCH Weinheim Germany1995."},{"key":"e_1_2_1_3_2","unstructured":"Molecular Switches(Ed: B.\u2009L. Feringa) Wiley\u2010VCH Weinheim Germany2001."},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.200353131"},{"key":"e_1_2_1_5_2","unstructured":"F. Pina M. Maestri V. Balzani inHandbook of Photochemistry and Photobiology Vol.\u20093 (Ed: H.\u2009S. Nalwa) American Scientific Los Angeles CA2003 Ch.\u20099."},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja9704646"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1521-3765(19980710)4:7<1184::AID-CHEM1184>3.0.CO;2-6"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja000190d"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja0287276"},{"key":"e_1_2_1_10_2","unstructured":"M. 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Qu\u00edm. Int. Ed."},{"key":"e_1_2_1_22_2","doi-asserted-by":"publisher","DOI":"10.1021\/ed074p1314"},{"key":"e_1_2_1_23_2","first-page":"969","volume":"21","author":"Pina F.","year":"1997","journal-title":"New. J. Chem."},{"key":"e_1_2_1_24_2","unstructured":"The rate of Ct2\u2013formation from the base A (or ionized base A\u2013) is linearly dependent on the hydroxyl concentration; see [23] for a recent example of a stopped\u2010flow study carried out in a similar flavylium compound."},{"key":"e_1_2_1_25_2","doi-asserted-by":"publisher","DOI":"10.1002\/ejoc.200300508"},{"key":"e_1_2_1_26_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00083a011"}],"container-title":["Advanced Functional Materials"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fadfm.200400274","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/advanced.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/adfm.200400274","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,2]],"date-time":"2025-10-02T15:26:57Z","timestamp":1759418817000},"score":1,"resource":{"primary":{"URL":"https:\/\/advanced.onlinelibrary.wiley.com\/doi\/10.1002\/adfm.200400274"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2005,3,23]]},"references-count":25,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2005,4]]}},"alternative-id":["10.1002\/adfm.200400274"],"URL":"https:\/\/doi.org\/10.1002\/adfm.200400274","archive":["Portico"],"relation":{},"ISSN":["1616-301X","1616-3028"],"issn-type":[{"value":"1616-301X","type":"print"},{"value":"1616-3028","type":"electronic"}],"subject":[],"published":{"date-parts":[[2005,3,23]]}}}