Journal of Luminescence, volume 144, pages 34-40

Determination of atropine using Mn-doped ZnS quantum dots as novel luminescent sensitizers

Publication typeJournal Article
Publication date2013-12-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.6
ISSN00222313
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
A novel chemiluminescence (CL) method using water-soluble Mn-doped ZnS quantum dots (QDs) as sensitizers is proposed for the chemiluminometric determination of atropine in pharmaceutical formulation. Water-soluble Mn-doped ZnS QDs were synthesized by using l -cysteine as stabilizer in aqueous solutions. The nanoparticles were structurally and optically characterized by X-ray powder diffraction (XRD), dynamic light scattering (DLS), Fourier transform infrared spectroscopy (FTIR), UV–vis absorption spectroscopy and photoluminescence (PL) emission spectroscopy. It was found that ZnS quantum dots acted as enhancers of the weak CL emission produced upon oxidation of sulfite by Ce(IV) in acidic medium. Trace amounts of atropine improved the sensitize effect of ZnS quantum dots yielding a significant chemiluminescence enhancement of the Ce(IV)–SO 3 2− –ZnS QD system. Therefore, a new CL analysis system was developed for the determination of atropine. Under the optimum conditions, there is a good linear relationship between the relative chemiluminescence intensity and the concentration of atropine in the range of 1×10 −9 –1×10 −6 M of atropine with a correlation coefficient ( R 2 ) of 0.9992. The limit of detection of this system was found to be 2.54×10 −10 M. This method is not only simple, sensitive and low cost, but also reliable for practical applications. • Mn-doped ZnS quantum dots could enhance the chemiluminescence (CL) of cerium(IV)–sodium sulfite system. • ZnS quantum dots were used as the nanocatalyst. • Trace amounts of atropine improved the sensitize effect of ZnS quantum dots. • This work is introduced as a new method for the determination of atropine commercial drugs. • Detection limit of atropine was obtained 2.54×10 −10 mol L −1 .

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Naser Azizi S. et al. Determination of atropine using Mn-doped ZnS quantum dots as novel luminescent sensitizers // Journal of Luminescence. 2013. Vol. 144. pp. 34-40.
GOST all authors (up to 50) Copy
Naser Azizi S., Chaichi M. J., Shakeri P., Bekhradnia A. R. Determination of atropine using Mn-doped ZnS quantum dots as novel luminescent sensitizers // Journal of Luminescence. 2013. Vol. 144. pp. 34-40.
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RIS Copy
TY - JOUR
DO - 10.1016/j.jlumin.2013.05.054
UR - https://doi.org/10.1016/j.jlumin.2013.05.054
TI - Determination of atropine using Mn-doped ZnS quantum dots as novel luminescent sensitizers
T2 - Journal of Luminescence
AU - Naser Azizi, Seyed
AU - Chaichi, Mohammad Javad
AU - Shakeri, Parmis
AU - Bekhradnia, Ahmad Reza
PY - 2013
DA - 2013/12/01 00:00:00
PB - Elsevier
SP - 34-40
VL - 144
SN - 0022-2313
ER -
BibTex
Cite this
BibTex Copy
@article{2013_Naser Azizi,
author = {Seyed Naser Azizi and Mohammad Javad Chaichi and Parmis Shakeri and Ahmad Reza Bekhradnia},
title = {Determination of atropine using Mn-doped ZnS quantum dots as novel luminescent sensitizers},
journal = {Journal of Luminescence},
year = {2013},
volume = {144},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.jlumin.2013.05.054},
pages = {34--40},
doi = {10.1016/j.jlumin.2013.05.054}
}
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