Figure 3. ECL-intensity as a function of the applied voltage. Red line: only [Ru(bpy)3]2+, black dashed line: [Ru(bpy)3]2+ + caffeine (1 mmol), black line: [Ru(bpy)3]2+ with lidocaine (1 mmol)

From

Rapid and Sensitive Spectroelectrochemical Detection of Lidocainehydrochloride and Caffeine with Screen-Printed Electrodes

A. Habekost

World Journal of Chemical Education. 2016, 4(5), 107-113 doi:10.12691/wjce-4-5-3