IN VITRO STUDIES FURTHER DETAILS
In Vitro Study No: 271
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
Dinitrochlorobenzene
1
0.016
0.025
Acetone
Rat
Dermatomed to 0.35mm
Dorsal
0.64
Flow-through
RPMI-1640 & gentamycin
32
Not Given
24
24
2
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)
52.9
3.4
7.6
37.2
29.6
6.1
6
NOTES
26 day-od rats were used. The % Penetrated was derived from the % found in the receptor fluid + the % found in the solubilized skin. Results were given as +/- SEM. I have converted these to SD for this database.
REFERENCE
Percutaneous Absorption And Metabolism Of Dinitrochlorobenzene In Vitro (2000) Arch. Toxicol., 74 :