Abstract
The work describes the synthesis of a new fluorescent cationic polymer (PNI) containing 1,8-naphthalimide units. Its photophysical characteristics have studied in organic solvents and water. The investigations have revealed, the polymer in solution to have an intense yellow color and to emit yellow-green fluorescence. These properties have been preserved after depositing it onto a cotton fabric. The color coordinates (L*, a*, b* and XYZ) of the dyed cotton fabric have been determined. The antimicrobial activity of PNI has been studied in a liquid medium against bacterial strains Bacillus cereus and Pseudomonas aeruginosa, and the fungal strain Candida lypolitica. The results obtained show moderate activity of the polymer against the tested strains which had been preserved after its loading onto the cotton fabric.
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