Ultra-trace detection of caffeine and theophylline with high sensitivity and selectivity using Gd2 (MoO4) 3 nanosheets
In this study, gadolinium molybdate, Gd 2 (MoO 4) 3 (Gam) nanosheets have been
substantially synthesized using a hydrothermal method with varying reaction temperatures.
PXRD, XPS, and HR-TEM confirmed the crystal phase and morphology of Gam nanosheets.
According to CV, LSV, and EIS techniques, Gam (synthesized at 150℃) modified GCE
possesses excellent electrochemical properties and further has been used for caffeine and
theophylline detection. The limit of detection of caffeine was found to be 4.1 nM with a linear …
substantially synthesized using a hydrothermal method with varying reaction temperatures.
PXRD, XPS, and HR-TEM confirmed the crystal phase and morphology of Gam nanosheets.
According to CV, LSV, and EIS techniques, Gam (synthesized at 150℃) modified GCE
possesses excellent electrochemical properties and further has been used for caffeine and
theophylline detection. The limit of detection of caffeine was found to be 4.1 nM with a linear …
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