Table 2. Model fitting for siRNA/BSA release profiles from CA-PEI micelles at pH 5 and 7.4.

siRNA
pH	zero-order		first-order		Korsmeyer-Peppas		Higuchi
	K	R2	K	R2	n	R2	K	R2
5	0.1976	0.7478	0.0017	0.6161	0.1848	0.9553	3.318	0.9101
7.4	0.1746	0.6913	0.0018	0.5494	0.2111	0.9304	2.987	0.8732
BSA
5	0.1803	0.791	0.002	0.6539	0.2129	0.9745	2.995	0.9398
7.4	0.1732	0.7875	0.0024	0.5776	0.2684	0.9136	2.8602	0.9244