Figure 20. Top: Fluorescence [Ru(bpy)3]2+ with Nile red, excited by a 460 nm LED, Bottom: Fluorescence spectrum of the mixture: blue curve: fluorescence [Ru(bpy)3]2+, red curve: fluorescence of Nile red, black curve: fluorescence of the mixture

From

Rapid and Sensitive Electrochemical, Spectroscopic and Spectroelectrochemical Detection of Glyphosate and Glufosinate and Their Copper Salts with Screen-printed Electrodes

F. Wetzel, T. Braun, T. Schindler, A. Habekost

World Journal of Chemical Education. 2021, 9(4), 152-162 doi:10.12691/wjce-9-4-8