Ratiometric nanomolar detection of Cu(2+) ions in mixed aqueous media: a Cu(2+)/Li(+) ions switchable allosteric system based on thiacalix[4]crown |
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| Authors: | Manoj Kumar Naresh Kumar Vandana Bhalla |
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| Institution: | Department of Chemistry, UGC Sponsored Centre for Advanced Studies-1, Guru Nanak Dev University, Amritsar, Punjab, India. mksharmaa@yahoo.co.in. |
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| Abstract: | A novel ditopic fluorescent chemosensor 2, based on the 1,3-alternate conformation of thiacalix4]crown possessing two complexation sites, was synthesized and shows ratiometric nanomolar detection of Cu(2+) ions and exhibits negative allosteric behaviour between Cu(2+)/Li(+) ions in mixed aqueous media. |
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