pISSN 1738-3544eISSN 2288-1662
pISSN 1738-3544eISSN 2288-1662
pISSN 1738-3544Bacterial filtration efficiency of eye droppers for forward and reverse contamination protocol
| Test | Group | Bacterial growth (+/-) |
|||
|---|---|---|---|---|---|
| Staphylococcus aureus | Bacillus subtilis | Aspergillus brasiliensis | |||
| Forward | A | PC | +3 | +3 | +3 |
| EG | +3 | +3 | +3 | ||
| B | PC | +3 | +3 | +3 | |
| EG | - | - | - | ||
| C | PC | +3 | +3 | +3 | |
| EG | - | - | - | ||
| Reverse | A | PC | +3 | +3 | +3 |
| EG | +3 | +3 | +3 | ||
| B | PC | +3 | +3 | +3 | |
| EG | - | - | - | ||
| C | PC | +3 | +3 | +3 | |
| EG | - | - | - | ||
Group A: commercially available disposable dropper; Group B: commercially available preservative-free multi-dose dropper; Group C: preservative-free multi-dose dropper using air pressure differentials.
a)Assessed according to the McFarland Standards.
Abbreviations: PC, positive control; EG, experimental group.
