Development of a Pulsed Xenon Ultraviolet Disinfection Device for Real-Time Air Disinfection in Ambulances

Table 1

Effectiveness of the real-time air disinfection device against E. coli in the air.

Time (min)	No.	(Cfu/m^3)	(Cfu/m^3)	Nt (%)	(Cfu/m^3)	(Cfu/m^3)	Kt (%)
30	1	2.70 × 10^5	1.76 × 10^5	34.81	2.64 × 10^5	0	100
	2	2.54 × 10^5	1.66 × 10^5	34.65	2.40 × 10^5	0	100
	3	2.10 × 10^5	1.40 × 10^5	33.33	2.10 × 10^4	0	100

N_t: the natural extinction rate of bacteria in the air; and : the amount of bacteria in the air at different times before and during the experiment was conducted; and : the amount of bacteria in the air at different times before and during the disinfection process of the experimental group; K_t: the disinfection rate of bacteria in air.