Table 1

CFU recovered from control samples
Microorganism Protocol Replicate Inoculum Titers recovered Average
CFU/carrier CFU/carrier CFU/carrier
S. aureus 1 1 0.22 × 108 8.4 × 105 7.5 × 105
2 7.0 × 105
3 7.2 × 105
2 - initial 1 0.42 × 108 1.1 × 106 1.3 × 106
2 1.6 × 106
3 1.2 × 106
4 1.3 × 106
2 - Final 1 0.46 × 108 9.9 × 105 1.1 × 106
2 1.1 × 106
3 1.3 × 106
4 1.0 × 106
3 - 2 hours 1 0.38 × 108 8.2 × 105 9.3 × 105
2 1.0 × 106
3 9.4 × 105
3 - 6 hours 1 2.0 × 106 1.8 × 106
2 1.8 × 106
3 1.7 × 106
3 - 12 hours 1 2.5 × 106 2.5 × 106
2 2.4 × 106
3 3.7 × 106
3 - 18 hours 1 3.7 × 106 3.6 × 106
2 3.6 × 106
3 3.5 × 106
3 - 24 hours 1 4.6 × 106 4.6 × 106
2 4.6 × 106
3 4.5 × 106
E. aerogenes 1 1 0.38 × 109 7.4 × 106 7.9 x106
2 8.8 × 106
3 7.6 × 106
2 - initial 1 0.22 × 109 1.1 × 106 1.1 × 106
2 1.0 × 106
3 1.2 × 106
4 1.1 × 106
2 - Final 1 0.4 × 109 1.5 × 106 1.2 × 106
2 1.4 × 106
3 8.3 × 105
4 1.1 × 106
3 - 2 hours 1 0.38 × 109 2.0 × 106 2.0 × 106
2 2.1 × 106
3 2.0 × 106
3 - 6 hours 1 3.8 × 106 3.9 × 106
2 3.9 × 106
3 3.9 × 106
3 - 12 hours 1 5.1 × 106 4.7 × 106
2 5.4 × 106
3 3.6 × 106
3 - 18 hours 1 4.8 × 106 5.6 × 106
2 6.8 × 106
3 5.2 × 106
3 - 24 hours 1 8.5 × 106 7.9 × 106
2 8.4 × 106
3 6.8 × 106
MRSA 1 1 0.38 × 109 7.4 × 105 8.5 × 105
2 9.8 × 105
3 8.2 × 105
2 - initial 1 0.36 × 108 7.3 × 105 7.5 × 105
2 9.5 × 105
3 6.6 × 105
4 6.5 × 105
2 - Final 1 0.32 × 108 5.6 × 105 6.9 × 105
2 5.7 × 105
3 8.0 × 105
4 8.2 × 105
3 - 2 hours 1 0.26 × 108 4.0 × 105 4.0 × 105
2 3.8 × 105
3 4.2 × 105
3 - 6 hours 1 8.6 × 105 8.8 × 105
2 9.8 × 105
3 7.9 × 105
3 - 12 hours 1 9.9 × 105 1.0 × 106
2 1.2 × 106
3 9.1 × 105
3 - 18 hours 1 1.8 × 106 1.7 × 106
2 1.6 × 106
3 1.7 × 106
3 - 24 hours 1 1.8 × 106 1.8 × 106
2 1.8 × 106
3 1.7 × 106
P. aeruginosa 1 1 0.2 × 108 6.8 × 106 7.0 × 106
2 7.4 × 106
3 6.9 × 106
2 - initial 1 0.2 × 109 1.0 × 106 1.3 × 106
2 1.4 × 106
3 1.4 × 106
4 1.5 × 106
2 - Final 1 0.34 × 109 2.4 × 106 2.0 × 106
2 1.9 × 106
3 1.6 × 106
4 2.0 × 106
3 - 2 hours 1 0.3 × 109 2.6 × 105 2.5 × 105
2 2.5 × 105
3 2.5 × 105
3 - 6 hours 1 5.2 × 105 5.2 × 105
2 5.3 × 105
3 5.3 × 105
3 - 12 hours 1 7.2 × 105 7.2 × 105
2 7.1 × 105
3 7.4 × 105
3 - 18 hours 1 9.8 × 105 9.6 × 105
2 9.5 × 105
3 9.6 × 105
3 - 24 hours 1 9.8 × 105 9.7 × 105
2 9.2 × 105
3 1.0 × 106
E. coli O157:H7 1 1 0.36 × 109 6.4 × 106 6.6 × 106
2 6.7 × 106
3 6.6 × 106
2 - initial 1 0.24 × 109 1.5 × 106 1.1 × 106
2 8.3 × 106
3 1.1 × 106
4 1.1 × 106
2 - Final 1 0.22 × 109 7.8 × 105 9.4 × 105
2 8.0 × 105
3 1.2 × 106
4 9.9 × 105
3 - 2 hours 1 0.36 × 109 2.5 × 105 2.6 × 105
2 2.6 × 105
3 2.7 × 105
3 - 6 hours 1 5.2 × 105 5.3 × 105
2 5.2 × 105
3 5.4 × 105
3 - 12 hours 1 7.9 × 105 7.7 × 105
2 7.7 × 105
3 7.6 × 105
3 - 18 hours 1 1.0 × 106 1.0 × 106
2 1.1 × 106
3 1.0 × 106
3 - 24 hours 1 1.2 × 106 1.2 × 106
2 1.2 × 106
3 1.2 × 106

Monk et al.

Monk et al. BMC Microbiology 2014 14:57   doi:10.1186/1471-2180-14-57

Open Data