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Colorimetric signaling of hydrogen sulfide by reduction of a phenylseleno-nitrobenzoxadiazole derivative
- Authors
- Bae, Jihee; Choi, Myung Gil; Choi, Jiyoung; Chang, Suk-Kyu
- Issue Date
- Dec-2013
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Hydrogen sulfide; Colorimetry; Probe; Reduction; Nitrobenzoxadiazole derivative; Selenoether
- Citation
- DYES AND PIGMENTS, v.99, no.3, pp 748 - 752
- Pages
- 5
- Journal Title
- DYES AND PIGMENTS
- Volume
- 99
- Number
- 3
- Start Page
- 748
- End Page
- 752
- ISSN
- 0143-7208
1873-3743
- Abstract
- A new reaction-based probe for the colorimetric signaling of hydrogen sulfide was developed. Reduction of the nitro group of a nitrobenzoxadiazole moiety to an amino group resulted in pronounced chromogenic signaling in the form of a yellow to pink color change. The transformation of the nitro group to amino group was confirmed by the H-1 NMR spectroscopy. The seleno derivative showed more efficient signaling behavior than the phenylthio and phenoxy analogues. Hydrogen sulfide signaling of phenylseleno-nitrobenzoxadiazole probe was fast and completed immediately after sample preparation. Selective signaling of hydrogen sulfide was possible in the presence of commonly encountered metal ions and anions with a detection limit of 2.1 x 10(-6) M. (C) 2013 Elsevier Ltd. All rights reserved.
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