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. Author manuscript; available in PMC: 2016 Jul 14.
Published in final edited form as: Chem Commun (Camb). 2015 Jul 14;51(55):11060–11063. doi: 10.1039/c5cc03516c

Fig. 2.

Fig. 2

Fluorescence spectra changes of flavone derivatives 1(a) and 4(b) (10 μM, 10 mM of PBS buffered, containing 0.5% DMSO as a cosolvent) upon addition of different concentration of BSA (0~1.0 mg/ml). Fluorescence spectra of flavone derivatives were excited at 400 nm. Inset: the photographs of dye solutions in the absence (left) and the presence of BSA (right) were all excited by handheld UV lamp (365 nm).