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(NH4 ),使其在正离子模式下易于形成稳定的[M+NH4] + monitoring of immunosuppressants compared to immuno‐
加合离子,有助于提升检测灵敏度与抗基质干扰能力。 assay[J]. J Chromatogr B Analyt Technol Biomed Life
该低浓度添加剂组合(0.2 mmol/L 甲酸和 0.1 mmol/L 醋 Sci,2013,928:9-15.
酸铵溶液)在保证分析性能的同时,也减少了对质谱系 [ 8 ] BOER K,DEUFEL T,SCHMIDT D,et al. Application of
the EMIT 2000 tacrolimus assay on the Abbott Architect
统的污染,增强了方法的长期稳定性。
c8000 high volume clinical chemistry analyzer[J]. Clin
在 临 床 应 用 方 面 ,本 研 究 采 用 LC-MS/MS 法 与
Biochem,2006,39(10):1041-1043.
EMIT 法测定了 86 例全血样本中的 TAC 浓度。结果显
[ 9 ] MOSCATO D,NONNATO A,ADAMO R,et al. Thera‐
示 ,LC-MS/MS 法 的 测 定 结 果 存 在 轻 微 的 正 偏 倚
peutic monitoring of tacrolimus:aberrant results by an
(6.5%),该差异可能与不同仪器、试剂及检测原理有 immunoassay with automated pretreatment[J]. Clin Chim
关 [4,8―9,18] 。尽管如此,此偏倚处于临床可接受的范围内, Acta,2010,411(1/2):77-80.
且两种方法相关性良好、一致性较高。以上结果进一步 [10] TRIVEDI V,SHAH P A,SHRIVASTAV P S,et al. Opti‐
证实了本研究所建立的LC-MS/MS法的可靠性,并为临 mization of chromatography to overcome matrix effect for
床常规 TAC 治疗药物监测从 EMIT 法向 LC-MS/MS 法 reliable estimation of four small molecular drugs from bio‐
转换提供了依据。 logical fluids using LC-MS/MS[J]. Biomed Chromatogr,
综上所述,本研究成功建立了一种快速、灵敏、操作 2020,34(3):e4777.
简便的 LC-MS/MS 法,可用于测定人全血中 TAC 浓度。 [11] GONG Z S,WU Z H,XU S X,et al. A high-throughput
除此之外,通过与EMIT法进行比较,进一步证明了LC- LC-MS/MS method for the quantification of four immuno‐
suppressants drugs in whole blood[J]. Clin Chim Acta,
MS/MS 法的可靠性,表明将全血中 TAC 浓度测定方法
2019,498:21-26.
从EMIT法转换为LC-MS/MS法具有可行性。
[12] 国家药典委员会. 中华人民共和国药典:四部[M]. 2020
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tandem mass spectrometry (UPLC/MS/MS) methods (收稿日期:2025-12-29 修回日期:2026-03-31)
with common sample pretreatment for therapeutic drug (编辑:唐晓莲)
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