Table 3 The results of the antibacterial test for prepared samples against Gram-negative bacteria of E-coli.

From: Preparation and characterization of a novel rechargeable antibacterial polyurethane sponge foam substrate modified with chlorinated N-halamine for efficient disinfection

Antiseptic

sample

Sample

weight (g)

Initial CFU

Colony forming

unit (CFU)

Antibacterial

activity (w%)

Cl-DMH-PUSF

(1 ml catalyst)

0.21

2.744 × 108

1.403 × 108

48.87

Cl-DMH-PUSF

(0.2 ml catalyst)

0.16

2.744 × 108

1.470 × 108

46.43

Cl-DMH-PUSF

(0.02 ml catalyst)

0.10

2.744 × 108

1.790 × 108

34.77

  1. Values are mean ± sd (n = 3). Statistical significance was assessed using one-way ANOVA (p < 0.05).
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