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. 2021 Jun 22;13(13):2047. doi: 10.3390/polym13132047

Figure 2.

Figure 2

FTIR–ATR spectra of enzymes (protease IV and chymotrypsin), doxorubicin, and association of chymotrypsin/doxorubicin (a) and protease IV/doxorubicin (b).