Mahato, Prasenjit ; Ghosh, Amrita ; Saha, Sukdeb ; Mishra, Sandhya ; Mishra, Sanjiv K. ; Das, Amitava (2010) Recognition of Hg2+ using diametrically disubstituted cyclam unit Inorganic Chemistry, 49 (24). pp. 11485-11492. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic1014797
Related URL: http://dx.doi.org/10.1021/ic1014797
Abstract
A newly synthesized 1,4,8,11-tetraazacyclotetradecane derivative (L), functionalized with a diazo moiety as the reporter functionality, is found to bind specifically to Hg2+ with an associated change in color that could be visually detected. With biologically benign β-CD, it forms an inclusion complex (L·2β-CD), which shows a much higher solubility in water, and this helps in developing a more intense color on binding to Hg2+ in a CH3CN-HEPES buffer medium. The nontoxic nature of L was checked with the living cells of a Gram negative bacterium, Pseudomonas putida. Further, experiments revealed that these two reagents could be used as staining agents for the detection of Hg2+ present in this microorganism.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 59946 |
| Deposited On: | 08 Sep 2011 10:24 |
| Last Modified: | 08 Sep 2011 10:24 |
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