IN VITRO STUDIES FURTHER DETAILS
In Vitro Study No: 270
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
5
0.016
0.125
Acetone
Rat
Full Thickness Skin
Dorsal
0.64
Flow-through
RPMI-1640 & gentamycin
32
24
24
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)
72.4
13
23
65.7
42.7
16.4
6
NOTES
Skin was Occluded with Parafilm. Neonatal 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 :