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. 2020 Feb 26;20(5):1279. doi: 10.3390/s20051279

Figure 7.

Figure 7

(a) Label-free E. coli DNA biosensor selectivity on target DNA, non-target DNA, and single-base mismatched DNA. (b) Regeneration for label-free E. coli DNA biosensor. (c) Reproducibility for label-free E. coli DNA biosensor. (d) Lifetime effect of label-free E. coli DNA biosensor.