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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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               with  common  sample  pretreatment  for  therapeutic  drug                         (编辑:唐晓莲)




          · 1184 ·    China Pharmacy  2026 Vol. 37  No. 9                              中国药房  2026年第37卷第9期
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