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- E-ISSN 2288-8985
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Validation of LC-MS/MS method for determination of ertapenem in human plasma and urine
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2012, v.25 no.1, pp.19-24
https://doi.org/10.5806/AST.2012.25.1.019
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(2012). Validation of LC-MS/MS method for determination of ertapenem in human plasma and urine. Analytical Science and Technology, 25(1), 19-24, https://doi.org/10.5806/AST.2012.25.1.019
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Abstract
Liquid chromatography-tandem mass spectrometry (LC-MS/MS) method has been developed and validated for the quantitative determination of ertapenem in human plasma and urine. After addition of internal standard (ceftazidime), plasma and urine was diluted with methanol and analyzed by LC-MS/MS. Using MS/MS with multiple reaction monitoring (MRM) mode, ertapenem were selectively detected without severe interference from human plasma and urine. The standard calibration curve for ertapenem was linear (r2= 0.9996)over the concentration range 1~100 μg/mL in human plasma. The intra- and inter-day precision over the concentration range of ertapenem was lower than 8.9% (correlation of variance, CV), and accuracy was between 97.2~106.2%. On the other hand, it was showed good relationship (r2= 0.9992) and the precision (intra- andinter-day) over the concentration range of ertapenem was lower than CV 7.2%, and accuracy was between 97.9~111.6% for urine. This method has been successfully applied to the pharmacokinetic study of ertapenem in human plasma and urine.
- keywords
- ertapenem, LC-MS/MS, validation, human plasma, human urine
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