**Prediction of Partition Coefficients and Permeability of Drug Molecules in Biological Systems with Abraham Model Solute Descriptors Derived from Measured Solubilities and Water-to-Organic Solvent Partition Coefficients**

William E. Acree, Jr.1, Laura M. Grubbs1 and Michael H. Abraham2

*1University of North Texas, 2University College London, 1United States 2United Kingdom* 
