Ratiometric detection of Hg2+ ions: An allosterically synchronized Hg2+/Li+ switch based on thiacalix[4]crown

Kumar, Manoj ; Kumar, Naresh ; Bhalla, Vandana (2011) Ratiometric detection of Hg2+ ions: An allosterically synchronized Hg2+/Li+ switch based on thiacalix[4]crown Dalton Transactions, 40 (19). pp. 5170-5175. ISSN 1477-9226

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Official URL: http://pubs.rsc.org/en/content/articlelanding/2011...

Related URL: http://dx.doi.org/10.1039/C1DT10093A

Abstract

A new heteroditopic chemosensor based on the 1,3-alternate conformation of thiacalix[4]crown shows a ratiometric fluorescence response towards Hg2+ ions. Further, a negative allosteric behaviour between Hg2+/Li+ ions is observed. Thus, metal ion exchange triggers a Hg2+/Li+ switchable fluorescent chemosensor.

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