Table 1
DLC and EE of doxorubicin-loaded micelles
CA/PEI	DLC (% w/w)	EE (% w/w)
1:4	0.89	56.52
1:2	0.96	59.44
1:1	1.06	61.31
3:1	1.28	67.57
4:1	1.19	64.22

Amjad et al. Nanoscale Research Letters 2012 7:687   doi:10.1186/1556-276X-7-687