Table 1.

Absorption spectral maxima of TFR with various concentrations of β-CD at pH 7.4.

β-CD concentration	Absorbance	[1/β-CD]	[1/A-A0]
0	0.118	0	0
0.002	0.283	500	6.06
0.004	0.416	250	3.35
0.006	0.570	166.66	2.21
0.008	0.733	125	1.62
0.010	0.870	100	1.32
0.012	1.099	83.33	1.01
Binding constant (K)			84.94 M−1
Gibbs free energy (ΔG)			−11.18 kJ/mol