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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. 2.

Fig. 2

SEM images of ZrO2 film formed on the (A) ME-functionalized and (C) bare gold electrodes of the crystals, corresponding to (B, D) the final H2O2-oxidized precipitation of CN substrate by enzyme catalysis in the immunoassays, respectively.