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. 2013 Jan 18;14(1):1952–1963. doi: 10.3390/ijms14011952

Figure 2.

Figure 2

Fluorescence spectra of FAD in HeLa cells (solid lines) and in aqueous buffer solution (dotted lines) at the different pHs of 5.0 (blue), 7.0 (green), and 9.0 (red) following excitation at 450 nm. The maximum intensity is normalized.