Fig. 6From: Ultrasensitive Biosensor for the Detection of Vibrio cholerae DNA with Polystyrene-co-acrylic Acid Composite NanospheresDifferential pulse voltammograms (a) and DNA biosensor linear range (b) obtained using various cDNA concentrations from 1.0 × 10−15 to 1.0 × 10−1 μM V. cholerae target DNA and 5 μM signal probeBack to article page