Table 1.

Nonlinear fitting parameters for the different burst releases using the equation ${\mathit{M}}_{\mathit{t}}={\mathit{M}}_{{\mathit{t}}_0}{\left(\frac{\mathit{t}}{{\mathit{t}}_0}\right)}^{\mathit{n}}$

		$M_{t_0}$	n	Release rate
First burst release, pH 5.2	8 bilayers	1.84 ± 0.05	0.36 ± 0.01	0.67
	5 bilayers	1.29 ± 0.04	0.37 ± 0.01	0.48
	2 bilayers	1.47 ± 0.05	0.32 ± 0.01	0.47
Burst release, pH 7.4	8 bilayers	0.23 ± 0.04	0.45 ± 0.05	0.11
	5 bilayers	0.10 ± 0.01	0.57 ± 0.03	0.06
	2 bilayers	0.16 ± 0.01	0.52 ± 0.02	0.08
Second burst release, pH 5.2	8 bilayers	0.24 ± 0.03	0.47 ± 0.03	0.11
	5 bilayers	0.25 ± 0.03	0.48 ± 0.03	0.12
	2 bilayers	0.17 ± 0.02	0.49 ± 0.03	0.08