Fig 7.
Comparison of cell membrane damage indexes (ID) for B. atrophaeus and E. coli bacteria collected using four different samplers for 5 min. For the Button aerosol sampler, bacteria were collected on a filter and eluted by vortexing for only 2 min; for the BioStage impactor, the jet velocity was 39.3 m/s, and the jet-to-plate distance was 1.28 mm; for the BioSampler, 5 ml of sterile DI water was used as collection fluid; and for the EPSS, the sampling flow rate was 10.0 liters/min. Each bar shows the average for triplicate samples, and error bars show 1 standard deviation.