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Related Experiment Videos

High-performance liquid chromatographic assay for sematilide in plasma using solid-phase extraction microcolumn

S Laganière1, L Goernert, G Beatch

  • 1Biopharmaceutics and Pharmacodynamics Division, Department of Health, Ottawa, Ont., Canada.

Journal of Chromatography. B, Biomedical Applications
|October 3, 1994
PubMed
Summary

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A new high-performance liquid chromatography method quantifies sematilide in rabbit plasma. This sensitive assay is suitable for pharmacokinetic studies, offering accurate and reliable results.

Area of Science:

  • Analytical Chemistry
  • Pharmacokinetics

Background:

  • Accurate quantification of drugs in biological matrices is crucial for pharmacokinetic studies.
  • Developing sensitive and efficient analytical methods is essential for drug development.

Purpose of the Study:

  • To develop and validate a simple and sensitive high-performance liquid chromatographic (HPLC) assay for sematilide quantification in rabbit plasma.
  • To apply the developed assay in preclinical pharmacokinetic studies.

Main Methods:

  • Sample preparation involved solid-phase extraction (SPE) on C8 microcolumns.
  • Chromatographic separation was performed on a reversed-phase Inertsil ODS-2 column using isocratic elution.
  • UV detection at 254 nm was employed for quantification.

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Main Results:

  • The assay achieved baseline resolution and did not require evaporation or reconstitution steps.
  • High accuracy (>97%) and precision (<7.6% inter-day coefficient of variation) were demonstrated over the standard curve range (0.128–3.191 µM).
  • The method successfully quantified sematilide in rabbit plasma for pharmacokinetic analysis.

Conclusions:

  • A robust and efficient HPLC assay for sematilide in rabbit plasma was successfully developed.
  • The validated assay is suitable for application in pharmacokinetic studies, providing reliable data for drug disposition analysis.