Figure 4From: Label-free as-grown double wall carbon nanotubes bundles for Salmonella typhimuriumimmunoassayChronoamperograms at (blue) the bare DW electrode, (green) the DW electrode with MAb at the concentration of 10 μg/mL, and (red) the MAb-DW electrode with cells (109 CFU/mL) at the working potential of 100 V vs. Ag/AgCl in citrate phosphate buffer (0.05 M, pH 5.5) solution.Back to article page