Kumari, Namita and Jha, Satadru and Misra, Santosh K and Bhattacharya, Santanu (2014) A Probe for the Selective and Parts-per-Billion-Level Detection of Copper(II) and Mercury(II) using a Micellar Medium and Its Utility in Cell Imaging. In: CHEMPLUSCHEM, 79 (7). pp. 1059-1064.
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A novel colorimetric probe 1 based on the picolyl moiety has been designed and synthesized. Probe 1 is composed of a pyrene and a bispicolyl amine (BPA) unit, in which the BPA moiety acts as a binding unit and the binding phenomenon is sensed from the changes in the signaling subunit. The probe detects Cu2+ specifically in water and both Cu2+ and Hg2+ efficiently in neutral Brij-58 micellar media. The probe shows a color change visible to the naked eye upon addition of metal ions. Notably, in a micellar medium, probe 1 can detect both the Cu2+ and Hg2+ ions even at parts-per-billion levels. Furthermore, the probe shows ratiometric detection of both the metal ions making the sensing quantitative. The two metal ions could be discriminated both visibly under a UV lamp and with the use of fluorescence spectroscopy. The probe could be also used in biological cell lines for the detection of both Hg2+ and Cu2+ ions.
| Item Type: | Journal Article |
|---|---|
| Publication: | CHEMPLUSCHEM |
| Publisher: | WILEY-V C H VERLAG GMBH |
| Additional Information: | Copy right for this article belongs to the WILEY-V C H VERLAG GMBH, BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY |
| Keywords: | cell imaging; copper; mercury; micelles; sensors |
| Department/Centre: | Division of Chemical Sciences > Organic Chemistry |
| Date Deposited: | 03 Sep 2014 08:55 |
| Last Modified: | 03 Sep 2014 08:55 |
| URI: | http://eprints.iisc.ac.in/id/eprint/49726 |
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