Figure 1

FTIR spectra of chitosan, lactic acid and LA-g-CH (MCH) in the range of 650 cm−1 to 2000 cm−1 (a) and FTIR spectra of LA-g-CH (MCH) in the range of 1530 cm−1 to 1555 cm−1 (b).

FTIR spectra of chitosan, lactic acid and LA-g-CH (MCH) in the range of 650 cm−1 to 2000 cm−1 (a) and FTIR spectra of LA-g-CH (MCH) in the range of 1530 cm−1 to 1555 cm−1 (b).