Simultaneous Bacillus anthracis Spores Detection via Aminated-Poly(vinyl chloride) Coated Piezoelectric Crystal Immunosensor

Figure 7

(a) - spectrum of the PVC-NH₂ modified QCM immunosensor against 2.5 × 10⁴ spores of B. anthracis at static addition procedure (raw data). (b) - spectrum of the PVC-NH₂ modified QCM immunosensor against different concentration of B. anthracis spores; (a) 1 × 10⁴, (b) 2 × 10⁴, and (c) 3 × 10⁴ spores (raw data) (inset: calibration curve for frequency shift along with concentration).

(a)

(b)