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Basic drug substances were transported across a thin artificial organic liquid membrane by the application of 300V d.c. From a 300μl aqueous donor compartment (containing 10mM HCl), the drugs migrated through a 200μm artificial liquid membrane of 2-nitrophenyl octyl ether immobilized in the pores of a polypropylene hollow fiber, and into a 30μl aqueous acceptor solution of 10mM HCl inside the lumen...
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