Table III.

Aerosol performance properties of thin-film freeze-dried pCMV-β powders. Data are mean ± S.D. (n = 3) (MMAD, mass median aerodynamic diameter; GSD, geometric standard deviation; FPF, fine particle fraction)

Formulation	MMAD (μm)	GSD	FPF (recovered) (%)	FPF (delivered) (%)
P1	1.58 ± 0.07	3.73 ± 0.67	32.92 ± 2.52	57.26 ± 3.19
P2	1.62 ± 0.10	3.19 ± 0.29	30.27 ± 1.12	41.58 ± 1.80
P3	1.44 ± 0.16	2.77 ± 0.19	55.13 ± 2.36	72.32 ± 0.41
P4	1.77 ± 0.22	3.15 ± 0.21	34.55 ± 2.34	56.63 ± 3.82
P5	1.69 ± 0.30	4.24 ± 1.38	36.13 ± 2.53	46.16 ± 4.44
P6	1.27 ± 0.40	4.24 ± 1.38	64.70 ± 3.53	80.39 ± 3.23
P7	0.96 ± 0.05	3.30 ± 0.67	42.45 ± 4.73	65.68 ± 4.12
P8	1.50 ± 0.15	3.11 ± 0.54	44.94 ± 7.27	65.01 ± 4.22
P9	1.74 ± 0.19	2.85 ± 1.20	51.92 ± 10.52	62.96 ± 8.86