Table 3.

Equilibrium binding constants (Kd) of melatonin with Abeta fibers (nmol·L⁻¹).

	Abeta1‐40	Abeta1‐42	Abeta mixb
	Kd ± SEM (nm)	Kd ± SEM (nm)	Kd ± SEM (nm)
Kd (Experiment 1)	887.60	603.40	466.5
Kd (Experiment 2)	778.10	650.10	536.9
Kd (Experiment 3)	777.40	631.50	380
Mean	814.37	628.33	461.13
Standard error	36.62	13.57	45.37
CVa	4.5%	2.2%	9.8%

^a CV, mean/ standard error.

^b Abeta mix means the mixed plaques (1‐40 and 1‐42), and the final Abeta solution is 5 × 10⁻⁶ mol·L⁻¹.