NDLI: Determination of Epinephrine in Pharmaceutical Formulation by an Optimized Novel Luminescence Method Using CdS Quantum Dots as Sensitizer

Content Provider	Springer Nature Link
Author	Azizi, Seyed Naser Chaichi, Mohammad Javad Shakeri, Parmis Bekhradnia, Ahmadreza
Copyright Year	2012
Abstract	In this article, a novel chemiluminescence method using water-soluble CdS quantum dots (QDs) as sensitizers is proposed for the chemiluminometric determination of epinephrine. The method is based on the quenching effect of epinephrine on the chemiluminescence emission generated by the mixing of CdS quantum dots (QDs) with hydrogen carbonate (HCO$_{3}$ $^{-}$) in the presence of hydrogen peroxide (H$_{2}$O$_{2}$) in an alkaline medium. The optimization of variables influencing the chemiluminescence response of the method has been carried out by using experimental design. Under the optimal conditions, there is good linear relationship between the relative chemiluminescence intensity and the concentration of epinephrine over the range of 5 × 10$^{−9}$–1 × 10$^{−6}$ molL$^{−1}$ with a 3σ detection limit of 5 × 10$^{−11}$ molL$^{−1}$. The method has been successfully applied to the determination of epinephrine in pharmaceutical formulation and the recovery test was done in human urine.
Starting Page	227
Ending Page	235
Page Count	9
File Format	PDF
ISSN	10530509
Journal	Journal of Fluorescence
Volume Number	23
Issue Number	2
e-ISSN	15734994
Language	English
Publisher	Springer US
Publisher Date	2012-10-11
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CdS quantum dots Epinephrine Chemiluminescence Quenching Experimental design Biomedicine general Biophysics and Biological Physics Biotechnology Biochemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Sociology and Political Science Spectroscopy Law Biochemistry Clinical Biochemistry Clinical Psychology

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