Keratin protein was extracted from Australian Merino wool (21 m fineness). Methylene Blue (MB) is a basic and cationic dye with CI Classi-fication Number 52015. All chemicals were of analytical grade and were purchased from Sigma–Aldrich
Keratin protein was extracted from Australian Merino wool(21 m fineness).Methylene Blue (MB) is a basic and cationic dye with CI Classi-fication Number 52015. All chemicals were of analytical grade andwere purchased from Sigma–Aldrich