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. 2016 Nov 17;21(11):1519. doi: 10.3390/molecules21111519

Figure 5.

Figure 5

Stern-Volmer dependence for the PpIX-HSA complex excited at 280 nm (■) (y = 0.0434x + 0.9971) and 295 nm (●) (y = 0.0571x + 0.9551). Data determined from emission fluorescence spectra. In the insert 1: fluorescence emission spectra of HSA at concentration 7.5 × 10−7 M (I) and HSA in the presence of increasing PpIX concentration in range from 1 × 10−5 M to 3 × 10−4 M (II, III, IV, V, VI, VII, VIII) excited at 280 nm. In the insert 2: fluorescence emission spectra of HSA at concentration 1 × 10−6 M (I) and HSA in the presence of increasing PpIX concentration in range from 1 × 10−5 M to 3×10−4 M (II, III, IV, V, VI, VII, VIII) excited at 295 nm.