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dc.contributor.authorShafeekh, K M-
dc.contributor.authorRahim, M K A-
dc.contributor.authorBasheer, M C-
dc.contributor.authorSuresh, C H-
dc.contributor.authorSuresh Das-
dc.date.accessioned2014-01-21T06:13:57Z-
dc.date.available2014-01-21T06:13:57Z-
dc.date.issued2013-
dc.identifier.citationDyes and Pigments 96(3):714-721 Mar 2013en_US
dc.identifier.issn0143-7208-
dc.identifier.urihttp://ir.niist.res.in:8080/jspui/handle/123456789/1074-
dc.description.abstractA novel class of sulphonate group containing unsymmetrical squaraine dyes has been synthesized. These dyes show a selective and sensitive affinity towards Hg2+ in methanol and are practically insensitive to most other environmentally and biologically relevant metal ions. Isothermal titration calorimetric (ITC) studies and High Resolution Mass Spectral (HRMS) analysis indicate a 1:1 binding mode. H-1 and C-13 NMR of the isolated Dye ... Hg2+ adduct showed an unusual addition reaction of Hg2+ along the phenyl-squarate carbon-carbon bond which was also supported by TD-DFT calculations using PM6 level geometries.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectSodium tetraethyl borateen_US
dc.subjectAqueous-Mediaen_US
dc.subjectMercuric ionen_US
dc.subjectTD-DFTen_US
dc.subjectNear infrareden_US
dc.subjectFluorescenceen_US
dc.subjectOrganomercurialsen_US
dc.subjectSquaraine dyesen_US
dc.subjectMercuryen_US
dc.titleHighly selective and sensitive colourimetric detection of Hg2+ ions by unsymmetrical squaraine dyesen_US
dc.typeArticleen_US
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