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Antibacterial activity of chitosan-based biopolymer dye.
| Sample | S. aureus | E. coil | ||||
|---|---|---|---|---|---|---|
| Concentration of Bacteria (CFU/cm2) | Reduction (%) | Concentration of Bacteria (CFU/cm2) | Reduction (%) | |||
| 0 h | 24 h | 0 h | 24 h | |||
| Blank control | 1.8 × 104 | 1.8 × 106 | – | 2.3 × 104 | 1.7 × 106 | – |
| Dyed poplar wood with Acid Red GR | 1.7 × 104 | 4.2 × 103 | 72 | 2.2 × 104 | 4.1 × 103 | 78 |
| Dyed poplar wood with chitosan based biopolymer dye | – | <1.3 | >99 | – | <1.3 | >99 |
