Table 1 Overview of the study design.
From: Skin hydration dynamics investigated by electrical impedance techniques in vivo and in vitro
Type | Nevisense (NE) and hydration probe (HP) | 4E Franz cell (4E) |
---|---|---|
In vivo | Four subjects Three regions on left volar forearm Hydration with 150 mM NaCl (aq) Series of 12 time points between 0 and 16 min | Not applicable |
In vitro | Four (NE) and three (HP) individual ears Three regions on each pig ear Hydration with 150 mM NaCl (aq) Series of 12 time points between 0 and 16 min | Split-thickness pig skin membranes Hydration in PBS (131 mM NaCl) Six temperatures 12–72 °C Continuous measurements during 3 h |