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. 2013 Feb 8;3(4):257–269. doi: 10.1016/j.jpha.2013.01.004

Fig. 13.

Fig. 13

Infrared spectra of proteins CH2 symmetric and antisymmetric stretching vibrations and indigotin–BSA/HSA complexes in the region 3000–2800 cm−1, the contribution of the CH2 stretching vibrations of indigotin was subtracted in the region.