Simultaneous quantification of trimethoprim metabolites in pediatric plasma.

Simultaneous quantification of trimethoprim metabolites in pediatric plasma.
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DOI:
10.1016/j.jchromb.2022.123232
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发表时间:
2022-05-15
影响因子:
3
通讯作者:
Goldman, Jennifer
Goldman, Jennifer
中科院分区:
医学3区
文献类型:
--
作者:
Tessman, Robert T.;Nolte, Whitney;Toren, Paul;Gibson, Kim;Vu, Linda;Goldman, Jennifer

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双剂抗生素,甲氧苄啶/磺胺甲恶唑(TMP-SMX),已被规定用于治疗或预防感染超过50年。然而,尚无已发表的经验证的用于测量人体TMP代谢物的分析方法。我们开发了能够可靠定量人血浆中TMP和5种代谢物的方法。使用联苯柱在不到8分钟内实现色谱分离。使用串联沃茨Xevo-TQ-XS质谱仪以正电喷雾模式检测分析物。在试验验证期间,所有分析物的精密度和准确度值均在标称值的15%范围内。
The dual agent antibiotic, trimethoprim/sulfamethoxazole (TMP-SMX), has been prescribed to treat or prevent infections for over 50 years. However, there are no published validated analytical methods for the measurement of TMP metabolites in humans. We developed methodology enabling reliable quantification of TMP and 5 metabolites in human plasma. Chromatographic separation was achieved in less than 8 min using a biphenyl column. Analytes were detected in positive electrospray mode using a tandem Waters Xevo-TQ-XS mass spectrometer. Precision and accuracy values for all analytes were within 15% of nominal values during assay validation.
DOI: 10.1007/s00044-020-02570-z
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期刊: Medicinal chemistry research : an international journal for rapid communications on design and mechanisms of action of biologically active agents
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