Journal of Fluorescence, издание 31, том 2, страницы 415-425
A New «off-on» Fluorescence Zinc Ion Sensors Based on Iodo- and Bromosubstituted Dipyrromethenes
Тип публикации: Journal Article
Дата публикации: 2021-01-07
Springer Nature
Журнал:
Journal of Fluorescence
Квартиль SCImago: Q1
Квартиль WOS: Q3
Impact factor: 2.7
ISSN: 10530509, 15734994
Biochemistry
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Clinical Biochemistry
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Краткое описание
Monoiodo- and dibromsubstituted dipyrromethenes HL1 – HL3 were described as a highly sensitive and selective «Off-On» fluorescent chemosensor for Zn2+ based on the chelation-enhanced fluorescence (CHEF) effect. Сoordination reactions of HL1 – HL3 with Zn2+ cations are accompanied by a significant (124 to 215-fold) increase in fluorescence intensity against the background of other metal ions in the binary propanol-1/cyclohexane mixture (1:30). The fluorometric detection limit of Zn2+ ions using HL1 – HL3 sensors is from 3.0∙10−8 to 3.3·10−9 mol/L. The presence of Na+, K+, Ca2+, Mg2+, Mn2+, Ni2+, Co2+, Pb2+ cations does not interfere with the detection of Zn2+. Complexation reactions are accompanied by a visual change in the color of the solution from yellow-orange to pink-raspberry so that the HL1 – HL3 ligands can also be used as a «naked-eye» indicators of the presence of Zn2+ ions.
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Nuraneeva E. N. et al. A New «off-on» Fluorescence Zinc Ion Sensors Based on Iodo- and Bromosubstituted Dipyrromethenes // Journal of Fluorescence. 2021. Vol. 31. No. 2. pp. 415-425.
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Nuraneeva E. N., Guseva G. B., Antina E. V. A New «off-on» Fluorescence Zinc Ion Sensors Based on Iodo- and Bromosubstituted Dipyrromethenes // Journal of Fluorescence. 2021. Vol. 31. No. 2. pp. 415-425.
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TY - JOUR
DO - 10.1007/s10895-020-02670-4
UR - https://doi.org/10.1007/s10895-020-02670-4
TI - A New «off-on» Fluorescence Zinc Ion Sensors Based on Iodo- and Bromosubstituted Dipyrromethenes
T2 - Journal of Fluorescence
AU - Nuraneeva, Ekaterina N
AU - Guseva, Galina B.
AU - Antina, Elena V.
PY - 2021
DA - 2021/01/07 00:00:00
PB - Springer Nature
SP - 415-425
IS - 2
VL - 31
SN - 1053-0509
SN - 1573-4994
ER -
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@article{2021_Nuraneeva
author = {Ekaterina N Nuraneeva and Galina B. Guseva and Elena V. Antina},
title = {A New «off-on» Fluorescence Zinc Ion Sensors Based on Iodo- and Bromosubstituted Dipyrromethenes},
journal = {Journal of Fluorescence},
year = {2021},
volume = {31},
publisher = {Springer Nature},
month = {jan},
url = {https://doi.org/10.1007/s10895-020-02670-4},
number = {2},
pages = {415--425},
doi = {10.1007/s10895-020-02670-4}
}
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Nuraneeva, Ekaterina N., et al. “A New «off-on» Fluorescence Zinc Ion Sensors Based on Iodo- and Bromosubstituted Dipyrromethenes.” Journal of Fluorescence, vol. 31, no. 2, Jan. 2021, pp. 415-425. https://doi.org/10.1007/s10895-020-02670-4.