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<strong>Electrochemical determination of caffeine in beverage using graphene oxide modified glassy carbon electrode</strong>

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Title Statement <strong>Electrochemical determination of caffeine in beverage using graphene oxide modified glassy carbon electrode</strong>
 
Added Entry - Uncontrolled Name Murugan, E ; Department of Physical Chemistry, School of Chemical Science, University of Madras, Chennai 600 025, Tamil Nadu, India
Poongan, A ; Department of Physical Chemistry, School of Chemical Science, University of Madras, Chennai 600 025, Tamil Nadu, India
 
Uncontrolled Index Term Beverages; Caffeine; Cyclic Voltammetry; Differential Pulse; Graphene oxide
 
Summary, etc. <p><span>Graphene oxide (GO) has been synthesized through simple experimental method and used for surface modification of glassy carbon electrode, thus developed a new efficient GO/GCE as a sensor for identification and quantification of Caffeine in beverage samples. Common analytical techniques have been employed to establish the physiochemical properties of graphene oxide. The electro catalytic activity GO/GCE has been examined towards sensing and quantification of caffeine through Cyclic voltammetry and Differential pulse voltammetry. The results show high sensitivity with a wide linear range in concentration 3.2-183 µM and low detection limit (LOD) 0.043 µM. In addition, in order to inspect the real time application of GO/GCE, it has been also employed to determine the concentration of caffeine in cola, Red bull and coffee samples.Very low LOD has been observed for caffeine even in real sample analysis and hence this electrode can very well be expended for real time application and thus enable to maintain the quality control of the food samples.</span></p>
 
Publication, Distribution, Etc. Indian Journal of Chemical Technology (IJCT)
2022-10-19 15:20:58
 
Electronic Location and Access application/pdf
http://op.niscair.res.in/index.php/IJCT/article/view/67603
 
Data Source Entry Indian Journal of Chemical Technology (IJCT); ##issue.vol## 28, ##issue.no## 5 (2021): Indian Journal of Chemical Technology
 
Language Note en