Kremeskotter, J., Wilson, R., Schiffrin, D.J., Luff, B.J. and Wilkinson, J.S.
Detection of glucose via electrochemiluminescence in a thin-layer cell with a planar optical waveguide
Measurement Science and Technology, 6, (9), . (doi:10.1088/0957-0233/6/9/012).
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Light generated by luminol electrochemiluminescence is coupled into a simple planar optical waveguide and is collected with a photomultiplier tube and a photon counter unit. The waveguide is mounted to a thin-layer cell which is connected to a flow injection analysis system. The waveguide is coated with indium tin oxide and modified with covalently attached glucose oxidase. The range of detection for glucose is 0-10 mM (correlation coefficient r = 0.9974), with a detection limit of 0.3 mM.
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