Abstract
In this paper, we introduce the feasibility of atmospheric-pressure argon microplasma irradiation (AAMI) to promote percutaneous absorption. A hairless Yucatan micropig skin was used for this ex vivo study. After AAMI, the disturbance in the stratum corneum (SC) lipids was observed using attenuated total reflectance-Fourier transform infrared spectroscopy. Also, an increase in transepidermal water loss and no physical damage on pig skins were confirmed by microscopic observation. These results of AAMI were compared with those of a plasma jet irradiation (PJI) and a tape stripping test (TST) leading to the conclusion that AAMI reduces the barrier function of the skin and could also enhance the transdermal absorption of drugs.
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