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. Author manuscript; available in PMC: 2009 Feb 18.
Published in final edited form as: Anal Chim Acta. 2008 Jan 6;609(1):44–52. doi: 10.1016/j.aca.2007.12.032

Fig. 1.

Fig. 1

Modified sensor head showing 1 mm glassy carbon electrode, 2 mm platinum counter electrode, fluid inlet and outlet, and counter electrode for light addressable potentiometric sensor (LAPS).