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A fluorescent ammonia sensor based on a porphyrin cobalt(II)-dansyl complex
- Issue Date
- May-2011
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Cobalt(II)porphyrin; Dansylpiperazine; Axial ligand; Ammonia; Fluorescence enhancement
- Citation
- TETRAHEDRON LETTERS, v.52, no.21, pp 2645 - 2648
- Pages
- 4
- Journal Title
- TETRAHEDRON LETTERS
- Volume
- 52
- Number
- 21
- Start Page
- 2645
- End Page
- 2648
- ISSN
- 0040-4039
- Abstract
- Detecting and measuring the concentration of ammonia is of interest in many scientific and technological areas. A porphyrin based cobalt(II) complex with a dansyl fluorophore has been synthesized and investigated as a 'turn-on' fluorescent ammonia sensor. Over sixfold increase in fluorescence emission occurs upon the treatment of NH3 to [Co(TPF)(Ds-pip)] sensor solution, resulting from NH3-induced displacement of the axially coordinated fluorophore. (C) 2011 Elsevier Ltd. All rights reserved.
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