{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,19]],"date-time":"2025-09-19T07:04:50Z","timestamp":1758265490267},"reference-count":24,"publisher":"American Chemical Society (ACS)","issue":"26","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Phys. Chem. A"],"published-print":{"date-parts":[[2014,7,3]]},"DOI":"10.1021\/jp503790z","type":"journal-article","created":{"date-parts":[[2014,6,3]],"date-time":"2014-06-03T17:43:59Z","timestamp":1401817439000},"page":"4723-4731","source":"Crossref","is-referenced-by-count":5,"title":["4\u2032-Carboxy-7-hydroxyflavylium. A Multistate System Involving Twelve Species Reversibly Interconverted by pH and Light Stimuli"],"prefix":"10.1021","volume":"118","author":[{"given":"Raquel","family":"Gavara","sequence":"first","affiliation":[{"name":"REQUIMTE,\rDepartamento de\rQu\u00edmica, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Monte de Caparica, Portugal"}]},{"given":"Sandra","family":"Gago","sequence":"additional","affiliation":[{"name":"REQUIMTE,\rDepartamento de\rQu\u00edmica, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Monte de Caparica, Portugal"}]},{"given":"No\u00e9mi","family":"Jord\u00e3o","sequence":"additional","affiliation":[{"name":"REQUIMTE,\rDepartamento de\rQu\u00edmica, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Monte de Caparica, Portugal"}]},{"given":"Fernando","family":"Pina","sequence":"additional","affiliation":[{"name":"REQUIMTE,\rDepartamento de\rQu\u00edmica, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Monte de Caparica, Portugal"}]}],"member":"316","published-online":{"date-parts":[[2014,6,24]]},"reference":[{"key":"ref1\/cit1","doi-asserted-by":"crossref","first-page":"869","DOI":"10.1039\/C1CS15126F","volume":"41","author":"Pina F.","year":"2012","journal-title":"Chem. Soc. Rev."},{"key":"ref2\/cit2","unstructured":"Andersen, \u00d8. M.; Jordheim, M.The Anthocyanins. InFlavonoids \u2013 Chemistry, Biochemistry and Applications;Andersen, \u00d8. M.; Markham, K. R., Eds.CRC Taylor & Francis:Boca Raton, FL, 2006; pp471\u2013551."},{"key":"ref3\/cit3","doi-asserted-by":"crossref","first-page":"877","DOI":"10.1016\/j.dyepig.2011.03.033","volume":"92","author":"Pina F.","year":"2012","journal-title":"Dyes Pigm."},{"key":"ref4\/cit4","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1016\/j.phytochem.2012.06.022","volume":"83","author":"Leydet Y.","year":"2012","journal-title":"Phytochemistry"},{"key":"ref5\/cit5","doi-asserted-by":"crossref","first-page":"1359","DOI":"10.1021\/ja00447a012","volume":"99","author":"Brouillard R.","year":"1977","journal-title":"J. Am. Chem. Soc."},{"key":"ref6\/cit6","doi-asserted-by":"crossref","first-page":"755","DOI":"10.1139\/v90-119","volume":"68","author":"Brouillard R.","year":"1990","journal-title":"Can. J. Chem."},{"key":"ref7\/cit7","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.jphotochem.2013.06.009","volume":"269","author":"Pina F.","year":"2013","journal-title":"J. Photochem. Photobiol. A: Chem."},{"key":"ref8\/cit8","unstructured":"Pina, F.; Maestri, M.; Balzani, V.Photochromic Systems Based on Synthetic Flavylium Compounds and their Potential Use as Molecular-Level Memory Devices. InHandbook of Photochemistry and Photobiology;Nalwa, H. S., Ed.American Scientific Publishers:Stevenson Ranch, CA, 2003; Vol.3, Chapter 9, pp411\u2013449."},{"key":"ref9\/cit9","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1016\/j.jphotochem.2009.05.004","volume":"205","author":"Horiuchi H.","year":"2009","journal-title":"J. Photochem. Photobiol. A: Chem."},{"key":"ref10\/cit10","doi-asserted-by":"crossref","first-page":"5287","DOI":"10.1021\/ol702482c","volume":"9","author":"Yang D.-Y.","year":"2007","journal-title":"Org. Lett."},{"key":"ref11\/cit11","doi-asserted-by":"crossref","first-page":"1761","DOI":"10.1002\/hlca.19510340608","volume":"34","author":"Michaelidis C.","year":"1951","journal-title":"Helv. Chim. Acta"},{"key":"ref12\/cit12","unstructured":"K\u00fcster, F. W.; Thiel, A.Tabelle per le Analisi Chimiche e Chimico-Fisiche,12th ed.Hoepli:Milano, Italy, 1982; pp157\u2013160.The universal buffer used was prepared in the following way: 2.3 cm3of 85% (w\/w) phosphoric acid, 7.00 g of monohydrated citric acid, and 3.54 g of boric acid are dissolved in water; 343 mL of 1 M NaOH was then added and the solution diluted to 1 dm3with water."},{"key":"ref13\/cit13","doi-asserted-by":"crossref","first-page":"1314","DOI":"10.1021\/ed074p1314","volume":"74","author":"Maestri M.","year":"1997","journal-title":"J. Chem. Educ."},{"key":"ref14\/cit14","doi-asserted-by":"crossref","first-page":"518","DOI":"10.1098\/rspa.1956.0102","volume":"235","author":"Hatchard C. G.","year":"1956","journal-title":"Proc. R. Soc. London, Ser. A"},{"key":"ref15\/cit15","doi-asserted-by":"crossref","first-page":"3663","DOI":"10.1002\/chem.201002781","volume":"17","author":"Leydet Y.","year":"2011","journal-title":"Chem.\u2014Eur. J."},{"key":"ref16\/cit16","doi-asserted-by":"crossref","first-page":"7760","DOI":"10.1002\/chem.200903482","volume":"16","author":"Gavara R.","year":"2010","journal-title":"Chem.\u2014Eur. J."},{"key":"ref17\/cit17","doi-asserted-by":"crossref","first-page":"372","DOI":"10.1021\/jp209913f","volume":"116","author":"Gago S.","year":"2012","journal-title":"J. Phys. Chem. A"},{"key":"ref18\/cit18","doi-asserted-by":"crossref","first-page":"1005","DOI":"10.1007\/s10910-009-9621-6","volume":"47","author":"Petrov V.","year":"2010","journal-title":"J. Math. Chem."},{"key":"ref19\/cit19","doi-asserted-by":"crossref","first-page":"308","DOI":"10.1016\/j.dyepig.2013.10.033","volume":"102","author":"Pina F.","year":"2014","journal-title":"Dyes Pigm."},{"key":"ref20\/cit20","first-page":"969","volume":"21","author":"Pina F.","year":"1997","journal-title":"New J. Chem."},{"key":"ref22\/cit22","doi-asserted-by":"crossref","first-page":"4167","DOI":"10.1021\/jp402761j","volume":"117","author":"Leydet Y.","year":"2013","journal-title":"J. Phys. Chem. A"},{"key":"ref23\/cit23","doi-asserted-by":"crossref","first-page":"1691","DOI":"10.1039\/c2pp25104c","volume":"11","author":"Gavara R.","year":"2012","journal-title":"Photochem. Photobiol. Sci."},{"key":"ref25\/cit25","doi-asserted-by":"crossref","first-page":"4485","DOI":"10.1021\/jp9531117","volume":"100","author":"Pimienta V.","year":"1996","journal-title":"J. Phys. Chem."},{"key":"ref26\/cit26","doi-asserted-by":"crossref","first-page":"1184","DOI":"10.1002\/(SICI)1521-3765(19980710)4:7<1184::AID-CHEM1184>3.0.CO;2-6","volume":"4","author":"Pina F.","year":"1998","journal-title":"Chem.\u2014Eur. J."}],"container-title":["The Journal of Physical Chemistry A"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/pubs.acs.org\/doi\/pdf\/10.1021\/jp503790z","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,4,23]],"date-time":"2023-04-23T07:04:08Z","timestamp":1682233448000},"score":1,"resource":{"primary":{"URL":"https:\/\/pubs.acs.org\/doi\/10.1021\/jp503790z"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,6,24]]},"references-count":24,"journal-issue":{"issue":"26","published-print":{"date-parts":[[2014,7,3]]}},"alternative-id":["10.1021\/jp503790z"],"URL":"https:\/\/doi.org\/10.1021\/jp503790z","relation":{},"ISSN":["1089-5639","1520-5215"],"issn-type":[{"value":"1089-5639","type":"print"},{"value":"1520-5215","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,6,24]]}}}