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. 2022 Jun 15;249:123687. doi: 10.1016/j.talanta.2022.123687

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Fig. 2 — The investigation of the graphene-CRISPR biosensor. (a) The DPV curve of the biosensor to recognize the Delta DNA from the positive patient. (b) The DPV curve of the biosensor to recognize the SARS-CoV-2 wild type (denoted as WT) from the positive patient. (c) The comparison of the current response between Delta and WT from Fig. 2a and b, *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001, and ns referring to no significant difference, as analyzed by two-way ANOVA.