A Low-Cost Method for Measuring the Permeability of a Pharmaceutical Drug in a Diffusion Cell

Megan Kitson, Heather N. Sheppard, Joanne C. Morris, N. Howarth, A. Kraft
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Abstract

A low-cost, in vitro laboratory experiment has been developed that mimics the absorption of a pharmaceutical drug in the body. It allows undergraduate chemistry students to gain experience in the measurement of drug permeability coefficients, a key indicator used by the pharmaceutical industry to identify the ease of absorption of any new drug candidate. The experiment requires a diffusion cell, coated membrane, peristaltic pump and UV-Vis spectrophotometer. The method has been validated by determining the permeability coefficients for a selection of acidic, basic and non-ionizable drugs. Using this assay, it is possible to classify drugs as exhibiting high or low permeability in a fast, facile and reliable manner.
一种在扩散池中测量药物渗透性的低成本方法
一种低成本的体外实验室实验已经开发出来,可以模拟药物在体内的吸收。它允许本科化学专业的学生获得药物渗透系数的测量经验,这是制药行业用来确定任何新候选药物吸收难易度的关键指标。实验需要扩散池、涂膜、蠕动泵和紫外可见分光光度计。通过测定一系列酸性、碱性和非电离性药物的渗透系数,验证了该方法的有效性。使用这种方法,可以快速、方便和可靠地对药物进行高通透性或低通透性的分类。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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