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- Title
Simultaneous determination of zolazepam and tiletamine in dog plasma by liquid chromatography coupled to a tandem mass spectrometry.
- Authors
Noh, Kyeumhan; Kim, Kil-Soo; Ahn, Byoungki; Archimbault, Pillippe; Oh, Tae-Ho; Kang, Wonku
- Abstract
A mixture of tiletamine, a dissociative anesthetic, and zolazepam, a minor tranquilizer, has been widely used as an anesthetic or an immobilizing agent in a variety of animal species. However, interestingly, their pharmacokinetic behaviors have been published only in polar bears and pigs. In this study, we introduce a sensitive liquid chromatography/tandem mass spectrometry (LC/MS/MS) method for determining the two drugs in dog plasma. After simple protein precipitation with acetonitrile including midazolam (internal standard), the analytes were chromatographed on a reversed-phase column with a mobile phase of 10 m m ammonium acetate aqueous solution and acetonitrile (1:4, v/v). The accuracy and precision of the assay were in accordance with FDA regulations for the validation of bioanalytical methods. This method was used to measure the concentrations of zolazepam and tiletamine in plasma after a single intramuscular 10 mg dose of each in beagle dogs.
- Publication
Biomedical chromatography : BMC, 2012, Vol 26, Issue 10, p1133
- ISSN
1099-0801
- Publication type
Journal Article
- DOI
10.1002/bmc.2692