Figure 1
From: Skin renewal activity of non-thermal plasma through the activation of β-catenin in keratinocytes
The brief introduction of NTP device. (a) Schematic of the plasma device which is a coaxial DBD (dielectric barrier discharge) jet type. (b) Optical emission spectrum of the Ar plasma from 200 to 900 nm. Ar lines, N2 2nd positive system and OH were observed.
