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High-throughput lipophilicity measurement with immobilized artificial membranes.

Faller, Bernard, Grimm, Hans Peter, Loeuillet-Ritzler, Frederique, Arnold, Sabine E. and Briand, Xavier (2005) High-throughput lipophilicity measurement with immobilized artificial membranes. Journal of Medicinal Chemistry, 48 (7). pp. 2571-2576. ISSN 0022-2623


We report on a new, high-throughput assay designed to measure octanol/water partition coefficients in early drug discovery. The assay is carried out in 96-well microtiterplates and measures the diffusion of compounds between two aqueous compartments separated by a thin octanol liquid layer. Octanol/water partition coefficients are derived from the apparent permeability (P(a)) values using a calibration curve. The assay can measure partition coefficients within the range -2 to + 8; thus, a dynamic range of 10 log units can be covered in one single run. Unlike chromatographic methods, the technology is not restricted to neutral and weakly basic compounds, and, as no stationary phase is involved, the data can be strictly compared with values obtained from traditional methods such as shake-flask/HPLC or dual-phase potentiometric titration.

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Date Deposited: 14 Dec 2009 13:56
Last Modified: 31 Jan 2013 01:11


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