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Hg(II) ion specific dual mode signalling in a thiophene derivatized rhodamine based probe and their complexation cooperativity

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dc.contributor.author Pal, A.
dc.contributor.author Bag, B.
dc.date.accessioned 2018-10-01T12:24:56Z
dc.date.available 2018-10-01T12:24:56Z
dc.date.issued 2012
dc.identifier.citation Journal Of Photochemistry And Photobiology A-Chemistry, 240, 2012: 42-49
dc.identifier.issn 1010-6030
dc.identifier.uri http://ore.immt.res.in/handle/2018/1724
dc.description DST, New Delhi [SR/FTP/CS-138/2006]
dc.description.abstract The rhodamine based chemosensor 1 exhibited highly selective and sensitive detection of Hg(II) ion in MeCN-H2O mixture observable through amplified absorption and emission signals with a colour change from colourless to pink. Its thiophenyl subunit plays a predominant role in observed allosteric cooperativity in binding of both the Hg(II) ions of its 1:2 (L:M) complex stoichiometry. The anion induced 'turn-off' signalling responses of the Hg(II)-complex of 1 and subsequent 'turn-on' responses with further addition of Hg(II) here demonstrated its repetitive usability as a probe for Hg(II) ion detection. (C) 2012 Elsevier B.V. All rights reserved.
dc.language en
dc.publisher Elsevier
dc.relation.isreferencedby SCI
dc.rights Copyright [2012]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
dc.subject Chemical Sciences
dc.title Hg(II) ion specific dual mode signalling in a thiophene derivatized rhodamine based probe and their complexation cooperativity
dc.type Journal Article
dc.affiliation.author CSIR-IMMT, Bhubaneswar 751013, Odisha, India


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