|
Run 1 | |
|
Raw
data (cfu/chamber)
|
LOG10
Raw data
|
|
|
Methicillin resistant staphylococcus aureus |
|
Time (mins) |
UV on |
UV off |
|
0 |
48000 |
52000 |
|
1 |
3760 |
16000 |
|
5 |
740 |
4640 |
|
10 |
10 |
1860 |
|
|
|
Methicillin resistant staphylococcus aureus |
|
Time (mins) |
UV on |
UV off |
|
0 |
4.68 |
4.72 |
|
1 |
3.58 |
4.20 |
|
5 |
2.87 |
3.67 |
|
10 |
1.00 |
3.27 |
|
|
Run 2
| |
|
Raw
data (cfu/chamber)
|
LOG10
Raw data
|
|
|
Methicillin resistant staphylococcus aureus |
|
Time (mins) |
UV on |
UV off |
|
0 |
67200 |
16800 |
|
1 |
24000 |
7600 |
|
5 |
2680 |
1050 |
|
10 |
90 |
1040 |
|
|
|
Methicillin resistant staphylococcus aureus |
|
Time (mins) |
UV on |
UV off |
|
0 |
4.83 |
4.23 |
|
1 |
4.38 |
3.88 |
|
5 |
3.43 |
3.02 |
|
10 |
1.95 |
3.02 |
|
|
Summary – Average data showing LOG10 reduction values over time |
|
Time (mins) |
UV on |
UV off |
|
1 |
0.78 |
0.43 |
|
5 |
1.61 |
1.13 |
|
10 |
3.28 |
1.33 |
|
|
Results clearly show the reproducible effects of UV exposure on S.aureus
counts after an exposure time of 10 minutes. A Log10 reduction>3
was activated, this Log10 reduction was reduced to 1.33 when UV
was switched off. |
| |
Figure 1:
Reduction of methicillin resistant Staphylococcus aureus colony forming
units (CFU) per test chamber over 10 minutes using ‘Bacticlean’ (run 1)
|
| |
|
Figure 2: LOG10 (CFU/test chamber) reduction of
methicillin resistant Staphylococcus aureus over 10 minutes (run 1) |
| |
Figure 3: Reduction of methicillin
resistant Staphylococcus aureus colony forming units (CFU) per test chamber
over 10 minutes (run 2)
|
| |
|
Figure 4: LOG10 (CFU/test chamber) reduction of
methicillin resistant Staphylococcus aureau over 10 minutes (run 2)
|
| |
