Microchimica Acta, volume 187, issue 11, publication number 610

Label-free silver triangular nanoplates for spectrophotometric determination of catecholamines and their metabolites

Publication typeJournal Article
Publication date2020-10-15
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.7
ISSN00263672, 14365073
Analytical Chemistry
Abstract
A novel method towards spectrophotometric determination of catecholamines and their metabolites differing in their functional groups has been developed. This method is based on a change in morphology of silver triangular nanoplates upon the action of cateсholamines and their metabolites, which is manifested by the decrease of the nanoparticle local surface plasmon resonance (LSPR) band intensity or its shift to the short-wavelength region of the spectrum. The shift value of the LSPR band or the change of its intensity increases with increasing concentration of catecholamines or their metabolites, which is proposed for their spectrophotometric determination. The limits of detection of catecholamines and their metabolites under selected conditions increase in the series homovanillic acid < vanillylmandelic acid < L-epinephrine < L-norepinephrine < dopamine and are 0.25, 1.2, 3.0, 64, and 130 μmol L−1, respectively. The selectivity of the proposed method was assessed using vanillylmandelic acid as example. It was found that the determination of vanillylmandelic acid does is not interfered in the presence of 4000-fold excess of Na+, K+, CH3COO−, and 1000-fold excess of Mg2+, Ca2+, Al3+, NO3−. The method also allows for the selective determination of vanillylmandelic acid in the presence of a 1000-fold excess of structurally related substances that do not contain either a catechol fragment or an electron donor substituent. The proposed approach was successfully applied to the determination of catecholamines in pharmaceuticals and artificial urine. Graphical abstract Graphical abstract

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Zaytsev V. D. et al. Label-free silver triangular nanoplates for spectrophotometric determination of catecholamines and their metabolites // Microchimica Acta. 2020. Vol. 187. No. 11. 610
GOST all authors (up to 50) Copy
Zaytsev V. D., Furletov A. A., Apyari V., Garshev A. V., Dmitrienko S. G., Zolotov Y. A. Label-free silver triangular nanoplates for spectrophotometric determination of catecholamines and their metabolites // Microchimica Acta. 2020. Vol. 187. No. 11. 610
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TY - JOUR
DO - 10.1007/s00604-020-04576-1
UR - https://doi.org/10.1007%2Fs00604-020-04576-1
TI - Label-free silver triangular nanoplates for spectrophotometric determination of catecholamines and their metabolites
T2 - Microchimica Acta
AU - Zaytsev, Valeriy D
AU - Apyari, Vladimir
AU - Garshev, Alexey V.
AU - Zolotov, Yury A
AU - Furletov, Aleksei A
AU - Dmitrienko, Stanislava G
PY - 2020
DA - 2020/10/15 00:00:00
PB - Springer Nature
IS - 11
VL - 187
SN - 0026-3672
SN - 1436-5073
ER -
BibTex
Cite this
BibTex Copy
@article{2020_Zaytsev,
author = {Valeriy D Zaytsev and Vladimir Apyari and Alexey V. Garshev and Yury A Zolotov and Aleksei A Furletov and Stanislava G Dmitrienko},
title = {Label-free silver triangular nanoplates for spectrophotometric determination of catecholamines and their metabolites},
journal = {Microchimica Acta},
year = {2020},
volume = {187},
publisher = {Springer Nature},
month = {oct},
url = {https://doi.org/10.1007%2Fs00604-020-04576-1},
number = {11},
doi = {10.1007/s00604-020-04576-1}
}
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