{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,9]],"date-time":"2025-11-09T07:33:58Z","timestamp":1762673638772},"reference-count":24,"publisher":"Springer Science and Business Media LLC","issue":"9","license":[{"start":{"date-parts":[[2007,9,1]],"date-time":"2007-09-01T00:00:00Z","timestamp":1188604800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2007,9,1]],"date-time":"2007-09-01T00:00:00Z","timestamp":1188604800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Photochem Photobiol Sci"],"published-print":{"date-parts":[[2007,9]]},"DOI":"10.1039\/b707461a","type":"journal-article","created":{"date-parts":[[2007,8,22]],"date-time":"2007-08-22T12:50:49Z","timestamp":1187787049000},"page":"1003-1009","update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Efficient photochromism from the network of chemical reactions of 7,4\u2032-dihydroxyflavylium in CTAB micelles"],"prefix":"10.1007","volume":"6","author":[{"given":"Raquel","family":"Gomes","sequence":"first","affiliation":[]},{"given":"A. Jorge","family":"Parola","sequence":"additional","affiliation":[]},{"given":"C\u00e9sar A. T.","family":"Laia","sequence":"additional","affiliation":[]},{"given":"Fernando","family":"Pina","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2007,9,1]]},"reference":[{"key":"609012_CR1","volume-title":"Organic Photochromic and Thermochromic Compounds","author":"J C Crano","year":"1999","unstructured":"J. C. Crano and R. J. Guglielmetti, Organic Photochromic and Thermochromic Compounds, Plenum Press, New York, 1999."},{"key":"609012_CR2","doi-asserted-by":"publisher","first-page":"639","DOI":"10.1351\/pac200173040639","volume":"4","author":"H Bouas-Laurent","year":"2001","unstructured":"H. Bouas-Laurent, H. D\u00fcrr, Organic Photochemistry, Pure Appl. Chem., 2001, 4, 639\u2013666.","journal-title":"Pure Appl. Chem."},{"key":"609012_CR3","doi-asserted-by":"publisher","first-page":"1395","DOI":"10.1351\/pac199668071395","volume":"7","author":"J C Crano","year":"1996","unstructured":"J. C. Crano, T. Flood, D. Knowles, A. Kumar and B. VanGemert, Photochromic compounds: Chemistry and application in ophthalmic lenses, Pure Appl. Chem., 1996, 7, 1395\u20131398.","journal-title":"Pure Appl. Chem."},{"key":"609012_CR4","doi-asserted-by":"publisher","first-page":"249","DOI":"10.1038\/nmat1326","volume":"73","author":"R A Evans","year":"2005","unstructured":"R. A. Evans, T. L. Hanley, M. A. Skidmore, T. P. Davis, G. K. Such, L. H. Yee, G. E. Ball and D. A. Lewis, The generic enhancement of photochromic dye switching speeds in a rigid polymer matrix, Nat. Mater., 2005, 73, 249\u2013253.","journal-title":"Nat. Mater."},{"key":"609012_CR5","doi-asserted-by":"publisher","first-page":"177","DOI":"10.1016\/S0143-8166(94)90012-4","volume":"20","author":"S Kurada","year":"1994","unstructured":"S. Kurada, G. W. Rankin and K. Sridhar, Flow visualization using photochromic dyes - a review, Opt. Lasers Eng., 1994, 20, 177\u2013192.","journal-title":"Opt. Lasers Eng."},{"key":"609012_CR6","doi-asserted-by":"publisher","DOI":"10.1002\/3527601600","volume-title":"Molecular Devices and Machines. A Journey into the Nanoworld","author":"V Balzani","year":"2003","unstructured":"V. Balzani, A. Credi and M. Venturi, Molecular Devices and Machines. A Journey into the Nanoworld, Wiley-VCH, Weinheim, 2003."},{"key":"609012_CR7","volume-title":"Molecular Switches","year":"2001","unstructured":"Molecular Switches, ed. L. B. Feringa, Wiley-VCH, Weinheim, 2001."},{"key":"609012_CR8","unstructured":"M. Irie, in Molecular Switches, ed. L. B. Feringa, Wiley-VCH, Weinheim, 2001, p. 37."},{"key":"609012_CR9","doi-asserted-by":"publisher","first-page":"43","DOI":"10.1039\/a801821i","volume":"29","author":"H Bouas-Laurent","year":"2000","unstructured":"H. Bouas-Laurent, A. Castellan, J.-P. Desvergne and R. Lapouyade, Photodimerization of anthracenes in fluid solution: structural aspects, Chem. Soc. Rev, 2000, 29, 43\u201355.","journal-title":"Chem. Soc. Rev"},{"key":"609012_CR10","doi-asserted-by":"publisher","first-page":"1683","DOI":"10.1021\/cr980068l","volume":"100","author":"M Irie","year":"2000","unstructured":"M. Irie, Photochromism: Memories and Switches, Chem. Rev., 2000, 100, 1683\u20131684.","journal-title":"Chem. Rev."},{"key":"609012_CR11","doi-asserted-by":"crossref","unstructured":"M. Maestri, F. Pina and V. Balzani, Multistate\/Multifunctional Molecular Level Systems. Photochromic Flavylium Compounds in Molecular Switches, ed. L. B. Feringa, Wiley-VCH, Weinheim, 2001, ch. 10, p. 339.","DOI":"10.1002\/3527600329.ch10"},{"key":"609012_CR12","doi-asserted-by":"crossref","unstructured":"R. Brouillard, in The Flavonoids, Advances in Research, ed. J. B. Harborne, Chapman and Hall, London, 1988, 525.","DOI":"10.1007\/978-1-4899-2913-6_16"},{"key":"609012_CR13","doi-asserted-by":"crossref","unstructured":"R. Brouillard, in Anthocyanins as food colors, ed. P. Markakis, Academic Press, New York, 1982, ch. 1.","DOI":"10.1016\/B978-0-12-472550-8.50005-6"},{"key":"609012_CR14","doi-asserted-by":"publisher","first-page":"1359","DOI":"10.1021\/ja00447a012","volume":"99","author":"R Brouillard","year":"1977","unstructured":"R. Brouillard and J. E. Dubois, Mechanism of structural transformations of anthocyanins in acidic media, J. Am. Chem. Soc., 1977, 99, 1359\u20131364.","journal-title":"J. Am. Chem. Soc."},{"key":"609012_CR15","doi-asserted-by":"publisher","first-page":"5838","DOI":"10.1021\/ja00538a024","volume":"102","author":"R A McClelland","year":"1980","unstructured":"R. A. McClelland and S. Gedge, Hydration of the flavylium ion, J. Am. Chem. Soc., 1980, 102, 5838\u20135848.","journal-title":"J. Am. Chem. Soc."},{"key":"609012_CR16","doi-asserted-by":"publisher","first-page":"3730","DOI":"10.1021\/jo00140a027","volume":"47","author":"R A McClelland","year":"1982","unstructured":"R. A. McClelland and G. H. McGall, Hydration of the flavylium ion.2. the 4\u2032-hydroxyflavylium ion, J. Org. Chem., 1982, 47, 3730\u20133736.","journal-title":"J. Org. Chem."},{"key":"609012_CR17","doi-asserted-by":"publisher","first-page":"1249","DOI":"10.1021\/ja00083a011","volume":"116","author":"P Figueiredo","year":"1994","unstructured":"P. Figueiredo, J. C. Lima, H. Santos, M. C. Wigand, R. Brouillard, A. L. Ma\u00e7anita and F. Pina, Photochromism of the synthetic 4\u2032,7-dihydroxyflavylium chloride, J. Am. Chem. Soc., 1994, 116, 1249\u20131254.","journal-title":"J. Am. Chem. Soc."},{"key":"609012_CR18","doi-asserted-by":"publisher","first-page":"1314","DOI":"10.1021\/ed074p1314","volume":"74","author":"M Maestri","year":"1997","unstructured":"M. Maestri, R. Ballardini, F. Pina and M. J. Melo, An easy and inexpensive flash spectroscopy experiment, J. Chem. Educ., 1997, 74, 1314\u20131316.","journal-title":"J. Chem. Educ."},{"key":"609012_CR19","first-page":"969","volume":"21","author":"F Pina","year":"1997","unstructured":"F. Pina, M. J. Melo, R. Ballardini, L. Flamigni and M. Maestri, Flash photolysis of 4\u2032,7-dihydroxyflavylium perchlorate, New J. Chem., 1997, 21, 969\u2013976.","journal-title":"New J. Chem."},{"key":"609012_CR20","doi-asserted-by":"publisher","first-page":"381","DOI":"10.1039\/b612612j","volume":"4","author":"A Roque","year":"2007","unstructured":"A. Roque, J. C. Lima, A. J. Parola and F. Pina, Substitution and solvent effects in the chalcones isomerization barrier of flavylium photochromic systems, Photochem. Photobiol. Sci., 2007, 4, 381\u2013385.","journal-title":"Photochem. Photobiol. Sci."},{"key":"609012_CR21","doi-asserted-by":"publisher","first-page":"1525","DOI":"10.1002\/anie.200353131","volume":"43","author":"F Pina","year":"2004","unstructured":"F. Pina, J. C. Lima, A. J. Parola and C. A. M. Afonso, Thermal and photochemical properties of 4\u2032,7-dihydroxyflavylium in water-ionic liquid biphasic systems: A write-read-erase molecular switch, Angew. Chem., Int. Ed., 2004, 43, 1525\u20131527.","journal-title":"Angew. Chem., Int. Ed."},{"key":"609012_CR22","doi-asserted-by":"publisher","first-page":"541","DOI":"10.1002\/adfm.200400274","volume":"15","author":"F Galindo","year":"2005","unstructured":"F. Galindo, J. C. Lima, S. V. Luis, A. J. Parola and F. Pina, Write-read-erase molecular-switching system trapped in a polymer hydrogel matrix, Adv. Funct. Mater., 2005, 15, 541\u2013545.","journal-title":"Adv. Funct. Mater."},{"key":"609012_CR23","unstructured":"This equilibrium is fast in comparison with the thermal kinetics."},{"key":"609012_CR24","unstructured":"The general treatment is given in ref. 7b and 7c. However, in this work, we have taken into account the equilibrium between B and Cc, and thus the intermediate X in those references was split into its two components. As a consequence, the former ki and k\u2212h constants have now a new meaning, respectively, kiKt\/(1 + Kt) and k\u2212h\/(1 + Kt)."}],"container-title":["Photochemical & Photobiological Sciences"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1039\/b707461a.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1039\/b707461a\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/pubs.rsc.org\/en\/content\/articlepdf\/2007\/PP\/B707461A","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1039\/b707461a.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,11,2]],"date-time":"2022-11-02T09:35:28Z","timestamp":1667381728000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1039\/b707461a"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007,9]]},"references-count":24,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2007,9]]}},"alternative-id":["609012"],"URL":"https:\/\/doi.org\/10.1039\/b707461a","relation":{},"ISSN":["1474-905X","1474-9092"],"issn-type":[{"value":"1474-905X","type":"print"},{"value":"1474-9092","type":"electronic"}],"subject":[],"published":{"date-parts":[[2007,9]]},"assertion":[{"value":"17 May 2007","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"26 July 2007","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"1 September 2007","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}}]}}