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. 2019 Dec 6;7:840. doi: 10.3389/fchem.2019.00840

Figure 4.

Figure 4

Synchronous fluorescence spectra of BSA mixed with various concentrations of 5-CQA in PBS buffer (1), Tris-HCl buffer (2), and H2O (3). (A) =15 nm; (B) =60 nm. The concentration of 5-CQA is 0, 1, 2, 3, 4, 5 × 10−6 M from a to f.