A simple high-performance liquid chromatographic method with ultraviolet detection at 240 nm for determination of a novel AMPA/kainate antagonist 1-(4'-aminophenyl)-3,5-dihydro-7,8-dimethoxy-2,3-benzodiazepine (2,3-BZ 6), and its derivatives in rat plasma is described. The procedure involves a fast extraction of the drugs from the plasma spiked with an internal standard. The samples are applied to a pre-packed glass column and drugs are eluted using ethyl acetate. A linear response was observed over the examined concentration range. The lower limit of detection of 2,3-BZ 6 was 5.5 ng/ml. The assay has been used to determine the time course of plasma levels of the 2,3-benzodiazepine derivatives in Sprague-Dawley rats.
Determination of 2,3-benzodiazepine derivatives in rat plasma by high-performance liquid chromatography
Rizzo M.;
1999-01-01
Abstract
A simple high-performance liquid chromatographic method with ultraviolet detection at 240 nm for determination of a novel AMPA/kainate antagonist 1-(4'-aminophenyl)-3,5-dihydro-7,8-dimethoxy-2,3-benzodiazepine (2,3-BZ 6), and its derivatives in rat plasma is described. The procedure involves a fast extraction of the drugs from the plasma spiked with an internal standard. The samples are applied to a pre-packed glass column and drugs are eluted using ethyl acetate. A linear response was observed over the examined concentration range. The lower limit of detection of 2,3-BZ 6 was 5.5 ng/ml. The assay has been used to determine the time course of plasma levels of the 2,3-benzodiazepine derivatives in Sprague-Dawley rats.| File | Dimensione | Formato | |
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Determination of 2,3-benzodiazepine derivatives in rat plasma.pdf
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