Table 1.

The “a” and “n” values obtained from the fit of Equation 1 to the release data of the coated and uncoated fibers.

	Coated samples			Uncoated samples
	R2	n	a	R2	n	a
pH 4	0.9096	0.3288	0.3829	0.9986	0.7991	0.8151
pH 6.5	0.9044	0.4110	0.3870	0.9876	0.7589	0.8693
pH 9	0.9461	0.5206	0.5503	0.9979	0.7655	0.7758