Fig. 12.
a The preparation process and principle of pesticide determination of the nano-/microstructured detection card and b storage stability of the detection card below 4 °C and room temperature (RT); reproduced with permission from ref. [238], Copyright 2021, MDPI. c Schematic representation of the proposed biosensor platform and d the stability, selectivity, and interference suppression of the immobilized electrode; reproduced with permission from ref. [247], Copyright 2019, Elsevier. e Schematic illustration of the synthesis process of PANi-array@CNF, f FE-SEM micrographs of PANi-array@CNF prepared at different feeding speeds, and g DPVs of the PANi-array@CNF/GCE with different concentrations of o-NP, m-NP and simultaneous addition of different concentrations of o-NP and p-NP; reproduced with permission from ref. [232], Copyright 2020, Elsevier