Using the exhaustion-pad-dry-rinse method, chitosan was applied to alkaline-scoured and bleached cotton yarns in a solution with concentrations ranging from 0.2–1% achieve good antimicrobial activity against bacteria Escherichia coli (Gram-negative) Staphylococcus aureus (Gram-positive). Studied samples were also assessed by measuring amount of introduced chitosan, accessible amino groups, mech...