Open Access
Journal of Molecular Liquids, volume 345, pages 117834
Dipyrromethene chromo-fluorogenic chemosensors for quantitative detection and express analysis of Zn2+ ions
Publication type: Journal Article
Publication date: 2022-01-01
Journal:
Journal of Molecular Liquids
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 6
ISSN: 01677322, 18733166
Materials Chemistry
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
Spectroscopy
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
• The chromo-fluorogenic dipyrromethene chemosensors were proposed for Zn 2+ detection. • Reaction of Zn(AcO) 2 with dipyrromethene chemosensors is accompanied by almost 100-fold fluorescence buildup. • The dipyrromethene chemosensor is characterized by high selectivity of fluorescent Zn 2+ detection. • The detection limit of Zn 2+ ions using a dipyrromethene chemosensor reaches 4·10 –8 mol/L. • New test-systems were developed for the express analysis of Zn 2+ ions in aqueous media. The dipyrromethene derivatives as new chromo-fluorogenic chemosensors for quantitative detection and express analysis of Zn 2+ ions were synthesized and structural characterized. The sensing process of dipyrromethene toward Zn 2+ was evaluated by UV–vis and fluorescence spectroscopy, molar ratios plots, and DFT calculations. The complexation of Zn(AcO) 2 with dipyrromethenes in DMF solution was accompanied by significant bathochromic and hyperchromic effects in the electronic absorption spectra due to the formation of [ZnL 2 ] complex. The 1:2 (Zn:HL) binding mode was proposed on the basis of absorption and theoretical studies. The complexation constants (lg K o ) of Zn(AcO) 2 with dipyrromethenes are from 8.1 to 10.9, which implying the potential of dipyrromethenes to acts as selective chemosensors for Zn 2+ . It is shown for the first time that the hexamethyl-substituted dipyrromethene could recognize Zn 2+ ions in DMF solution through significant (almost 100 times) “off–on” fluorescent response caused by Zn 2+ and visible color change from yellow to bright green under UV irradiation induced by formation of [ZnL 2 ]. Hexamethyl-substituted dipyrromethene had high selectivity towards Zn 2+ ions over many environmentally relevant ions, and high sensitivity with the detection limit in nanomolar level (4·10 –8 mol/L). In terms of the thermodynamic constant and the fluorescence response of the complexation reaction of [ZnL 2 ], as well as the detection limit of Zn 2+ ions, dipyrromethene HL 2 surpasses many Zn 2+ sensors known in the literature. Dipyrromethenes can be a tool for detecting Zn 2+ ions with simple test strips.
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Bumagina N. A. et al. Dipyrromethene chromo-fluorogenic chemosensors for quantitative detection and express analysis of Zn2+ ions // Journal of Molecular Liquids. 2022. Vol. 345. p. 117834.
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Bumagina N. A., Antina E. V., Krasovskaya Z. S., Berezin M. B., Ksenofontov A. A., Vyugin A. I., Semeikin A. S., Berezin M. Y., Ksenofontov A. Dipyrromethene chromo-fluorogenic chemosensors for quantitative detection and express analysis of Zn2+ ions // Journal of Molecular Liquids. 2022. Vol. 345. p. 117834.
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TY - JOUR
DO - 10.1016/j.molliq.2021.117834
UR - https://doi.org/10.1016%2Fj.molliq.2021.117834
TI - Dipyrromethene chromo-fluorogenic chemosensors for quantitative detection and express analysis of Zn2+ ions
T2 - Journal of Molecular Liquids
AU - Bumagina, Natalia A
AU - Antina, Elena V
AU - Krasovskaya, Zinaida S
AU - Berezin, Mikhail B
AU - Ksenofontov, Alexander A
AU - Vyugin, Anatoly I.
AU - Semeikin, Alexander S.
AU - Berezin, Mikhail Y.
AU - Ksenofontov, A.L.
PY - 2022
DA - 2022/01/01 00:00:00
PB - Elsevier
SP - 117834
VL - 345
SN - 0167-7322
SN - 1873-3166
ER -
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@article{2022_Bumagina,
author = {Natalia A Bumagina and Elena V Antina and Zinaida S Krasovskaya and Mikhail B Berezin and Alexander A Ksenofontov and Anatoly I. Vyugin and Alexander S. Semeikin and Mikhail Y. Berezin and A.L. Ksenofontov},
title = {Dipyrromethene chromo-fluorogenic chemosensors for quantitative detection and express analysis of Zn2+ ions},
journal = {Journal of Molecular Liquids},
year = {2022},
volume = {345},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016%2Fj.molliq.2021.117834},
pages = {117834},
doi = {10.1016/j.molliq.2021.117834}
}