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Relative fluorescence intensity of the two NAD(P)H species as a function of excitation wavelength, with the short lifetime linearly polarized peak of each molecule arbitrarily scaled to 1. While the short lifetime species favors linearly polarized excitation in both NADH and NADPH (a and b), the longer lifetime species exhibits similar fluorescence intensities with both excitation polarizations (c and d). Shaded areas represent uncertainty bounds.
