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UV/Vis absorption spectra of CD and SMA–CD incubated at 37 °C in phosphate-buffered saline (PBS)/fetal bovine serum (FBS) (4:6) for 96 h. (A) Superimposing UV/Vis absorption spectra of CD measured at 0 h, 24 h, 48 h, 72 h, and 96 h; (B) Superimposing UV/Vis absorption spectra of SMA–CD measured at 0 h, 24 h, 48 h, 72 h, and 96 h. All experiments were performed in triplicate.
