Open Access
Unusual ‘Turn-on’ Ratiometric Response of Fluorescent Porphyrin-Pyrene Dyads to the Nitroaromatic Compounds
Publication type: Journal Article
Publication date: 2023-01-03
Physical and Theoretical Chemistry
Analytical Chemistry
Abstract
Detection of nitroaromatic compounds (NAC) is an important task since these substances are hazardous to both the biosphere and the society. Fluorescent sensors developed for NAC detection usually demonstrate a ‘turn-off’ response to the analyte, while ‘turn-on’ sensors are rarely reported. Here, we present a showcase report on new pyrene-imidazoporphyrin dyads that demonstrate an unusual analytic response to NAC with clear ‘turn-on’ behavior followed by an unexpected appearance of a new band, which can be ascribed to exciplex emission. The porphyrin backbone of the dyad also allows registration of its own fluorescence, providing an internal reference signal for ratiometric detection. The association constants in the order of 104 M−1 are reported.
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Shepeleva I. I. et al. Unusual ‘Turn-on’ Ratiometric Response of Fluorescent Porphyrin-Pyrene Dyads to the Nitroaromatic Compounds // Chemosensors. 2023. Vol. 11. No. 1. p. 43.
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Shepeleva I. I., Birin K. P., Polivanovskaia D. A., Martynov A. G., Shokurov A. V., Tsivadze A. Y., Selektor S. L., Gorbunova Y. G. Unusual ‘Turn-on’ Ratiometric Response of Fluorescent Porphyrin-Pyrene Dyads to the Nitroaromatic Compounds // Chemosensors. 2023. Vol. 11. No. 1. p. 43.
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TY - JOUR
DO - 10.3390/chemosensors11010043
UR - https://www.mdpi.com/2227-9040/11/1/43
TI - Unusual ‘Turn-on’ Ratiometric Response of Fluorescent Porphyrin-Pyrene Dyads to the Nitroaromatic Compounds
T2 - Chemosensors
AU - Shepeleva, Irina I
AU - Birin, Kirill P.
AU - Polivanovskaia, Daria A.
AU - Martynov, Alexander G.
AU - Shokurov, Alexander V.
AU - Tsivadze, Aslan Yu.
AU - Selektor, Sofiya L.
AU - Gorbunova, Yulia G.
PY - 2023
DA - 2023/01/03
PB - MDPI
SP - 43
IS - 1
VL - 11
SN - 2227-9040
ER -
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@article{2023_Shepeleva,
author = {Irina I Shepeleva and Kirill P. Birin and Daria A. Polivanovskaia and Alexander G. Martynov and Alexander V. Shokurov and Aslan Yu. Tsivadze and Sofiya L. Selektor and Yulia G. Gorbunova},
title = {Unusual ‘Turn-on’ Ratiometric Response of Fluorescent Porphyrin-Pyrene Dyads to the Nitroaromatic Compounds},
journal = {Chemosensors},
year = {2023},
volume = {11},
publisher = {MDPI},
month = {jan},
url = {https://www.mdpi.com/2227-9040/11/1/43},
number = {1},
pages = {43},
doi = {10.3390/chemosensors11010043}
}
Cite this
MLA
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Shepeleva, Irina I., et al. “Unusual ‘Turn-on’ Ratiometric Response of Fluorescent Porphyrin-Pyrene Dyads to the Nitroaromatic Compounds.” Chemosensors, vol. 11, no. 1, Jan. 2023, p. 43. https://www.mdpi.com/2227-9040/11/1/43.