Figure 3.
(a), Fractional change of transmittance versus frequency for kanamycin sulfate with 1 pg/L (red), 10 pg/L (green), 0.1 ng/L (blue), 1 ng/L (cyan), and 10 ng/L (pink) concentrations. (b), THz transmission peak value versus concentration.
(a), Fractional change of transmittance versus frequency for kanamycin sulfate with 1 pg/L (red), 10 pg/L (green), 0.1 ng/L (blue), 1 ng/L (cyan), and 10 ng/L (pink) concentrations. (b), THz transmission peak value versus concentration.