Please use this identifier to cite or link to this item: http://cmuir.cmu.ac.th/jspui/handle/6653943832/66140
Title: A Simple Method Based on One Phase Measurement for Determination of the Octanol-Water Partition Coefficient of Drugs
Authors: Saowapak Teerasong
Panwadee Wattanasin
Prapin Wilairat
Duangjai Nacapricha
Keywords: partition coefficient
lipophilicity
drug screening
Issue Date: 2015
Publisher: Science Faculty of Chiang Mai University
Citation: Chiang Mai Journal of Science 42, 3 (July 2015), 691 - 698
Abstract: The octanol-water partition coefficient (Pow) is widely used to assessment of lipophilicity of drug. The Pow can be measured by determining the ratio of the concentration of the drug in octanol to its concentration in water at equilibrium. In the standard method, two calibration curves are required in order to obtain the concentration of drug in the two phases. The procedure is thus tedious and time consuming. In this work, a simple approach for determining the Pow of drug is described. Only the absorbance of one phase and volumes of octanol and water are used in the calculation; calibration curves are no longer required, making the procedure much more convenient. The method was applied to examples of hydrophobic and hydrophilic drugs. The Pow values obtained by our method agreed well with literature values (R2 = 0.998). This method is simple and capable for screening new drugs in a stage of drug discovery.
URI: http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=5957
http://cmuir.cmu.ac.th/jspui/handle/6653943832/66140
ISSN: 0125-2526
Appears in Collections:CMUL: Journal Articles

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