A Simple Ratiometric Electrochemical Aptasensor Based on Exonuclease III-Assisted Target Recycling for Ultrasensitive Detection of Prostate Specific Antigen

<div>The feasibility of the strategy. (a) No PSA and no Exo III, (b) only PSA present, (c) only Exo III present, and (d) with PSA and Exo III.</div>

Journal of Chemistry

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Figure 1

Figure 1: A Simple Ratiometric Electrochemical Aptasensor Based on Exonuclease III-Assisted Target Recycling for Ultrasensitive Detection of Prostate Specific Antigen 

Figure 1 | A Simple Ratiometric Electrochemical Aptasensor Based on Exonuclease III-Assisted Target Recycling for Ultrasensitive Detection of Prostate Specific Antigen 