IN VITRO STUDIES FURTHER DETAILS
In Vitro Study No: 2
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
Paclobutrazol
0.0588
0.6
0.0173
50% aq. Ethanol
Human
Full Thickness Skin
Abdomen
2.04
Static
50% aq. Ethanol
32
Water Bath
72
72
1
HPLC
RESULTS
% Recovery
+/-
% In Stratum Corneum
+/-
% in Viable Skin
+/-
% Penetrated
+/-
% Absorbed
+/-
s-s-flux (mcrg/cm2/h)
+/-
kp (cm/h)
n
Lag Time (h)
9
18
NOTES
Prior to the experiment the skin was exposed to the receptor fluid for 18h to ensure that it was fully hydrated. Skin was occluded with parafilm during the experiment to prevent evaporation. Human Cadaver Skin was used from white women.
REFERENCE
Dermal In Vitro Penetration Of Methiocarb, Paclobutrazol and Pirimicarb (2000) Occup. Environ. Med., 57 :734-737