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. Author manuscript; available in PMC: 2010 Apr 15.
Published in final edited form as: Biosens Bioelectron. 2008 Dec 14;24(8):2377. doi: 10.1016/j.bios.2008.12.013

Fig. 6.

Fig. 6

Calibration curve plotted on a semi-log scale for detecting Phospho-AChE in plasma samples, with a detection limit of 0.020 nM. The top insert shows the comparison of final Δf responses of immunoassays for BSA (10 mg ml−1), AChE (0.1 nM) and Phospho-AChE (0.1 nM), and the bottom insert manifests the real-time EQCM monitoring for the direct adsorptions of 0.5 nM (A) AChE and (B) Phospho-AChE onto the ZrO2-coated crystals.