IN VITRO STUDIES FURTHER DETAILS
In Vitro Study No: 207
METHODS
Chemical
Conc. (mg/ml)
Volume (ml)
Loading (mg/cm2)
Vehicle
Species
Membrane
Site
Area (cm2)
Cell Type
Receptor Fluid
Temp. (oC)
Temp. Measured
Exposure Time (h)
Study Length (h)
Occluded
Analytical Method
Water
1.016
0.9% Physiological Saline
Rat
Full Thickness Skin
Dorsal
2.54
Static
0.9% Physiological Saline
30
Water Bath
96
96
1
Radiolabelled (14C)
RESULTS
% Recovery
+/-
% In Stratum Corneum
+/-
% in Viable Skin
+/-
% Penetrated
+/-
% Absorbed
+/-
s-s-flux (mcrg/cm2/h)
+/-
kp (cm/h)
n
Lag Time (h)
0.00143
178
NOTES
Sp Act. Of the tritiated water was 270mCi/mmol. This was diluted to give a final concentration of 2.5microCi/ml. Alderley Park Rats, strain Alpk:APfSD were used. The skin was occluded from days 2-4.
REFERENCE
The Influence Of Different Strains And Age On In Vitro Rat Skin Permeability To Water And Mannitol (1992) Pharmaceut. Res., 9 :884-887