Table 3.
Log10 reduction of cells counts by five surface disinfectant cleaners against emerging multidrug-resistant non-fermenting bacteria and corresponding ATCC strains
| Species | Isolate/strain | Product (concentration) | Contact time | Log10-reduction |
|---|---|---|---|---|
|
Pseudomonas aeruginosa |
ATCC 15442 |
AAS (undiluted) |
30 and 60 s |
>5.28 |
| |
|
SAS (0.5%) |
30 and 60 min |
|
| |
|
OR (0.4%) |
||
| |
|
SASA1 (0.25%) |
||
| |
|
SASA2 (0.5%) |
||
| |
0MRGN |
AAS (undiluted) |
30 and 60 s |
>5.14 |
| |
|
SAS (0.5%) |
30 and 60 min |
|
| |
|
OR (0.4%) |
||
| |
|
SASA1 (0.25%) |
||
| |
|
SASA2 (0.5%) |
||
| |
3MRGN |
AAS (undiluted) |
30 and 60 s |
>5.06 |
| |
|
SAS (0.5%) |
30 and 60 min |
|
| |
|
OR (0.4%) |
||
| |
|
SASA1 (0.25%) |
||
| |
|
SASA2 (0.5%) |
||
| |
4MRGN VIM-1 |
AAS (undiluted) |
30 s and 60 s |
>5.45 |
| |
|
SAS (0.5%) |
30 and 60 min |
|
| |
|
OR (0.4%) |
||
| |
|
SASA1 (0.25%) |
30 min |
1.54 ± 0.91 |
| |
|
|
60 min |
1.76 ± 0.94 |
| |
|
SASA2 (0.5%) |
30 min |
3.04 ± 0.73 |
| |
|
|
60 min |
3.45 ± 0.55 |
|
Acinetobacter baumannii |
ATCC 19606 |
AAS (undiluted) |
30 and 60 s |
>5.20 |
| |
|
SAS (0.5%) |
30 and 60 min |
|
| |
|
OR (0.4%) |
||
| |
|
SASA1 (0.25%) |
||
| |
|
SASA2 (0.5%) |
||
| |
0MRGN |
AAS (undiluted) |
30 and 60 s |
>5.09 |
| |
|
SAS (0.5%) |
30 and 60 min |
|
| |
|
OR (0.4%) |
||
| |
|
SASA1 (0.25%) |
||
| |
|
SASA2 (0.5%) |
||
| |
4MRGN OXA-23 |
AAS (undiluted) |
30 and 60 s |
>5.14 |
| |
|
SAS (0.5%) |
30 and 60 min |
|
| |
|
OR (0.4%) |
||
| |
|
SASA1 (0.25%) |
||
| |
|
SASA2 (0.5%) |
||
|
Achromobacter xylosoxidans |
ATCC 27061 |
AAS (undiluted) |
30 and 60 s |
>5.13 |
| |
|
SAS (0.5%) |
30 and 60 min |
|
| |
|
OR (0.4%) |
||
| |
|
SASA1 (0.25%) |
||
| SASA2 (0.5%) |
Experiments were carried out in quadruplicate under dirty conditions; lowest log10 reduction values or mean and standard deviation are shown.