Figure 3

Means (blue) ± standard deviation (SD) (light green) of the RLU values (control vs TiO2–Ag–NP treated areas for each investigated indoor place: (A): school; (B): farm showroom; (C): farm housing cabs; (D): laundry; (E): shop. Statistics with Kolmogorov–Smirnov (KS) test and two tailed paired t-test at p < 0.05.