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