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. 2021 Sep 10;236:122868. doi: 10.1016/j.talanta.2021.122868

Fig. 2.

Fig. 2

Optimization of the conditions: (A) EIS of the biosensor at different stages of modification: (a) bare GCE; (b) PEI-Ru@Ti3C2@AuNPs film modified GCE. (c) DNA7 and PEI-Ru@Ti3C2@AuNPs film modified GCE (d) MCH, DNA7, and PEI-Ru@Ti3C2@AuNPs film modified GCE. (e) DNA2/DNA6 duplex activated CRISPR Cas12a/gRNA complex treated DNA7 and PEI-Ru@Ti3C2@AuNPs film modified GCE. (B) DNA5 length optimization experiments. (C) DNA5 concentration optimization experiments. (D) CRISPR-Cas12a/gRNA complexes cleavage time optimization experiments.