Table 2. 3D fluorescence spectral parameters of HSA alone and in the presence of MLN8237.

System	Peak No.	Peak Position [λex/λem (nm/nm)]	Stokes Shift ∆λ (nm)	Intensity
HSA	A	280/280 → 350/350	0	180.66 → 252.38
	1	280/335	55	546.96
	2	225/328	103	672.87
HSA-MLN8237 (1:2)	A	280/280 → 350/350	0	134.74 → 240.89
	1	280/336	56	390.35
	2	225/331	106	324.05
HSA-MLN8237 (1:4)	A	280/280 → 350/350	0	94.41 → 217.87
	1	280/336	56	295.05
	2	225/332	107	184.14