Fig. 5From: Metal oxide modified ZnO nanomaterials for biosensor applications(reproduced from Ref. [44] with permission, © 2017 John Wiley & Sons)Biosensor device performance. a LSVs of Fe2O3 modified ZnO NRs/Ag electrode in different concentration (1–1500 µM) of nitrite. b Corresponding calibration curve. c LSVs of twelve optimized electrodes in PBS containing 100 µM nitrite. d Magnified peak curves. e Stability test. f Selectivity testBack to article page