Langmuir, volume 38, issue 30, pages 9239-9246
Subnanomolar Detection of Mercury Cations in Water by an Interfacial Fluorescent Sensor Achieved by Ultrathin Film Structure Optimization
Publication type: Journal Article
Publication date: 2022-07-22
Spectroscopy
Electrochemistry
Condensed Matter Physics
General Materials Science
Surfaces and Interfaces
Abstract
The objectives of this work were to develop and extend the previously proposed approaches to control the structure of nanoscale planar systems based on modular fluorophore compounds capable of efficient analyte binding and to optimize the architecture of ultrathin films formed from them to create a thin-film sensor element for mercury cations. The possibility of applying the ratiometric approach to the fluorescence measurements to obtain a quantitative analytical signal was shown. It was found that films with the Langmuir-Schaefer film architecture, in which the receptor crown ether groups of the fluoroionophore are oriented toward the studied solution, allow the quantitative determination of mercury cations in water at concentrations below the threshold limit value and are especially effective in the analyte concentration range of 10-10-10-5 M. High selectivity of the obtained thin-film sensitive elements with respect to mercury cations and the possibility of regeneration of such elements after quantitative determination of mercury cations in aqueous solutions are demonstrated.
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Aleksandrova A. et al. Subnanomolar Detection of Mercury Cations in Water by an Interfacial Fluorescent Sensor Achieved by Ultrathin Film Structure Optimization // Langmuir. 2022. Vol. 38. No. 30. pp. 9239-9246.
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Aleksandrova A., Matyushenkova V., Shokurov A., Selektor S. L. Subnanomolar Detection of Mercury Cations in Water by an Interfacial Fluorescent Sensor Achieved by Ultrathin Film Structure Optimization // Langmuir. 2022. Vol. 38. No. 30. pp. 9239-9246.
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TY - JOUR
DO - 10.1021/acs.langmuir.2c01012
UR - https://doi.org/10.1021%2Facs.langmuir.2c01012
TI - Subnanomolar Detection of Mercury Cations in Water by an Interfacial Fluorescent Sensor Achieved by Ultrathin Film Structure Optimization
T2 - Langmuir
AU - Matyushenkova, Victoria
AU - Shokurov, Alexander
AU - Aleksandrova, Alvina
AU - Selektor, Sofiya L.
PY - 2022
DA - 2022/07/22 00:00:00
PB - American Chemical Society (ACS)
SP - 9239-9246
IS - 30
VL - 38
SN - 0743-7463
SN - 1520-5827
ER -
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@article{2022_Aleksandrova,
author = {Victoria Matyushenkova and Alexander Shokurov and Alvina Aleksandrova and Sofiya L. Selektor},
title = {Subnanomolar Detection of Mercury Cations in Water by an Interfacial Fluorescent Sensor Achieved by Ultrathin Film Structure Optimization},
journal = {Langmuir},
year = {2022},
volume = {38},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021%2Facs.langmuir.2c01012},
number = {30},
pages = {9239--9246},
doi = {10.1021/acs.langmuir.2c01012}
}
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Aleksandrova, Alvina, et al. “Subnanomolar Detection of Mercury Cations in Water by an Interfacial Fluorescent Sensor Achieved by Ultrathin Film Structure Optimization.” Langmuir, vol. 38, no. 30, Jul. 2022, pp. 9239-9246. https://doi.org/10.1021%2Facs.langmuir.2c01012.