Table 2.

Calculated amounts of the t _25% , Q _15min and Q _30min for pure carvedilol (CAR), physical mixtures (PM) with drug: polymer ratios of 1:5 and 1:10, and electrosprayed nanosystems (ES) with the drug: polymer ratios of 1:5 and 1:10 at total solution concentrations of 10 %, 15 % and 20 % (w/v)

sample	t 25% (min)	Q 15 min (%)	Q 30 min (%)
CAR	85	3.0 ± 2.9	7.6 ± 2.3
PM 1:5	36	11.0 ± 0.4	21.9 ± 0.6
PM 1:10	44	24.0 ± 3.4	17.5 ± 2.6
ES 1:5 10%	13	28.4 ± 3.1	34.5 ± 2.7
ES 1:5 15%	13	26.5 ± 3.9	36.1 ± 1.1
ES 1:5 20%	18	23.5 ± 1.5	34.7 ± 1.3
ES 1:10 10%	28	11.8 ± 1.0	26.6 ± 1.6
ES 1:10 15%	21	18.5 ± 5.4	32.5 ± 5.0
ES 1:10 20%	4	33.3± 2.6	50.3 ± 4.9