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香港浸会大学 化学系,环境与生物分析国家重点实验室,香港 999077
蔡宗苇,博士,教授,研究方向:质谱分析、环境化学及生物化学分析,E-mail:zwcai@hkbu.edu.hk
纸质出版日期:2024-08-15,
收稿日期:2024-05-29,
修回日期:2024-06-27,
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张婧,曹国栋,王威,乔涵,戴情园,蔡宗苇.超高效液相色谱-串联高分辨质谱法检测人体尿液中的对苯二胺-醌类新污染物[J].分析测试学报,2024,43(08):1197-1203.
ZHANG Jing,CAO Guo-dong,WANG Wei,QIAO Han,DAI Qing-yuan,CAI Zong-wei.Determination of Emerging Contaminants of p-Phenylenediamine Quinones in Human Urine Samples by UPLC-HRMS[J].Journal of Instrumental Analysis,2024,43(08):1197-1203.
张婧,曹国栋,王威,乔涵,戴情园,蔡宗苇.超高效液相色谱-串联高分辨质谱法检测人体尿液中的对苯二胺-醌类新污染物[J].分析测试学报,2024,43(08):1197-1203. DOI: 10.12452/j.fxcsxb.24052991.
ZHANG Jing,CAO Guo-dong,WANG Wei,QIAO Han,DAI Qing-yuan,CAI Zong-wei.Determination of Emerging Contaminants of p-Phenylenediamine Quinones in Human Urine Samples by UPLC-HRMS[J].Journal of Instrumental Analysis,2024,43(08):1197-1203. DOI: 10.12452/j.fxcsxb.24052991.
该文建立了一种基于液液萃取的超高效液相色谱-串联高分辨质谱测定人体尿液中5种新污染物对苯二胺-醌(PPD-Qs)的方法。优化确定了样品前处理条件及色谱、质谱仪器参数,并采用氘代N-(1,3-二甲基丁基)-N
'
-苯基-对苯二胺醌(6PPD-Q-D
5
)作为内标进行定量分析。结果表明,该方法在0.01~50 ng/mL范围内线性关系良好,相关系数大于0.999,方法检出限低至2.4~7.5 pg/mL。尿液中5种PPD-Qs的基质效应为81.3%~110%;3种不同浓度水平加标样本的平均回收率为80.5%~114%,日内及日间相对标准偏差(RSD)均不大于11%。将该方法应用于人群队列尿液中5种PPD-Qs的检测,5种PPD-Qs的平均质量浓度为0.04~1.06 ng/mL。该方法操作简单、灵敏度高、重复性好,适用于人体尿液中新污染物PPD-Qs的检测。
A liquid-liquid extraction based ultra-high performance liquid chromatography-high resolution mass spectrometry(UPLC-HRMS) method was developed for the determination of 5 emerging contaminants of
p
-phenylenediamine quinones(PPD-Qs) in human urine. The process of sample pretreatment and parameters of both chromatography and mass spectrometry were optimized in detail. Using 6PPD-Q-D
5
as an internal standard,the method established in this study had a good linear relationship in the range of 0.01-50 ng/mL,whereas the linear correlation coefficients were greater than 0.999,and the detection limits of the method(LODs) were as low as 2.4-7.5 pg/mL. The matrix effects of the
five PPD-Qs in urine samples were detected at 81.3%-110%. The average recoveries were 80.5%-114%,and intra-day and inter-day relative standard deviations(RSDs) were less than 11%. The method was applied to the determination of 5 PPD-Qs in human urine samples,and the mean concentrations of 5 PPD-Qs ranged from 0.04 ng/mL to 1.06 ng/mL. The method in our study has the advantages of simple operation,high sensitivity,and good repeatability,which is suitable for the determination of PPD-Qs in human urine.
对苯二胺类抗氧化剂对苯二胺-醌新污染物超高效液相色谱-串联高分辨质谱尿液
p-phenylenediamine(PPDs) antioxidantsp-phenylenediamine quinones(PPD-Qs)emerging contaminantsUPLC-HRMSurine
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