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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Biomed Microdevices. 2013 Feb;15(1):151–160. doi: 10.1007/s10544-012-9708-x

Fig. 3.

Fig. 3

(a) Characterization of the signal processing unit in the current range of the sensors using an ideal current source as the input. (b) Comparison of the output frequency of the fabricated potentiostat and signal processing unit against the saturation amperometric response of a Pt/PPh/GOx/PU sensor as a function of glucose concentration.