Oxygen measurements. Percentage of O2 in the head space of plastic bags throughout 48 h of incubation at 42°C. Average ± SEM of six measurements from subsamples positive for Campylobacter spp. after incubation under aerobic conditions. Measures were taken with an O2 sensor (Vernier, Beaverton, OR) as the percentage of O2 in the air in the head space.
Zhou et al. BMC Microbiology 2011 11:175 doi:10.1186/1471-2180-11-175