Research Article

In Vitro Permeation of Micronized and Nanonized Alaptide from Semisolid Formulations

Table 2

Selective permeation parameters of micronized and nanonized alaptide through full-thickness pig ear skin from various media: nonsteady-state permeation flux ( ), corresponding lag time ( ), and apparent permeability coefficient ( ).

MediumAlaptideJ (μg/cm2/h) (h) (cm/h)

BufferMicro168.4 ± 8.70.69 ± 0.3816.84
Nano125.4 ± 6.0*0.76 ± 0.01*12.54
GelMicro 58.80
Nano 42.06
CreamMicro 45.22
Nano 35.44

0.5–4 h.