Popis: |
A two-compartment model was developed to perform in vitro permeability studies of drugs. Preparations of surviving small intestine are continuously perfused under permanent oxygenation. The apparatus especially allows the usage of variable volumes of donor and adaptable length of intestinal segments ranging from 3 to 20 cm. Both the mucosal and the serosal side of the apparatus are open for sample collection and additional instrumentation. Due to the construction the use of high-surface activity compounds is possible. Data may be derived as absorption rates (micrograms.cm-1.min-1) and concentration increases vs. time profiles. |