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1.中国人民公安大学 侦查学院,北京 100038
2.国家毒品实验室北京分中心,北京 100164
3.成都市公安局刑事犯罪侦查局,四川 成都 610000
何洪源,博士,教授,研究方向:法庭毒物分析,E-mail:13311296819@189.cn
蒋力维,硕士,高级工程师,研究方向:毒物毒品检验,E-mail:812308635@qq.com
收稿日期:2024-08-14,
修回日期:2024-10-06,
录用日期:2024-11-06,
网络出版日期:2025-04-08,
纸质出版日期:2025-04-15
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杨思瑶,何洪源,蒋力维,吕建霞,滕傲雪.液相色谱-串联质谱法同时检测尿液和血液中8种合成大麻素及7种代谢物[J].分析测试学报,2025,44(04):583-592.
YANG Si-yao,HE Hong-yuan,JIANG Li-wei,LÜ Jian-xia,TENG Ao-xue.Simultaneous Determination of 8 Synthetic Cannabinoids and 7 Metabolites in Urine and Blood by Liquid Chromatography- Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2025,44(04):583-592.
杨思瑶,何洪源,蒋力维,吕建霞,滕傲雪.液相色谱-串联质谱法同时检测尿液和血液中8种合成大麻素及7种代谢物[J].分析测试学报,2025,44(04):583-592. DOI: 10.12452/j.fxcsxb.240814306.
YANG Si-yao,HE Hong-yuan,JIANG Li-wei,LÜ Jian-xia,TENG Ao-xue.Simultaneous Determination of 8 Synthetic Cannabinoids and 7 Metabolites in Urine and Blood by Liquid Chromatography- Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2025,44(04):583-592. DOI: 10.12452/j.fxcsxb.240814306.
建立了液相色谱-串联质谱(LC-MS/MS)对尿液和血液中8种合成大麻素及7种代谢物进行定性和定量分析的方法。尿液、血液样品经甲醇-乙腈(体积比1∶1)混合溶液提取后,高速离心取上清液,以0.1%甲酸水溶液和乙腈作为流动相进行梯度洗脱,采用C
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色谱柱进行分离,电喷雾电离源(ESI+)多反应监测模式(MRM)进行检测,可在15 min内完成15种目标物的分析。结果显示,尿液中15种目标物在1~200 ng/mL范围内线性关系良好,检出限为0.01~0.10 ng/mL,定量下限为0.03~0.34 ng/mL;血液中15种目标物在0.50~200 ng/mL范围内线性关系良好,检出限为0.01~0.20 ng/mL,定量下限为0.03~0.66 ng/mL。3个不同加标浓度下,15种目标物在尿液、血液中的提取回收率分别为92.2%~105%和82.2%~117%。该方法灵敏度高、分离效果好、操作简便,适用于尿液和血液中多种合成大麻素类物质的定性定量分析。
A liquid chromatography-tandem mass spectrometry(LC-MS/MS) method was developed for the qualitative and quantitative analysis of eight synthetic cannabinoids and seven metabolites in urine and blood. After the urine and blood samples were extracted by a mixture of methanol-acetonitrile (1∶1,volu
me ratio),the supernatant was extracted by high-speed centrifugation,and the gradient elution was carried out with an aqueous solution containing 0.1% formic acid and acetonitrile as the mobile phase,and the separation was carried out on a C
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chromatography column. The ion source for the tandem mass spectrometry was an electrospray ionization source(ESI+),and the detection was performed in multiple reaction monitoring(MRM) mode. The method can be used for the analysis of 15 targets within 15 min. The results showed that the 15 targets exhibited a good linear relationship in the range of 1-200 ng/mL in urine,the limits of detection(LODs) were 0.01-0.10 ng/mL,and the limits of quantification(LOQs) were 0.03-0.34 ng/mL. The 15 targets exhibited a good linear relationship in the range of 0.50-200 ng/mL in blood,LODs were 0.01-0.20 ng/mL,and LOQs were 0.03-0.66 ng/mL. The recoveries in urine and blood at three different spiked concentrations were 92.2%-105% and 82.2%-117%. The developed method is sensitive,effective in separation,easy to operate,and suitable for the determination analysis of synthetic cannabinoid analogs in urine and blood.
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