丹磺酰氯柱前衍生-超高效液相色谱-串联质谱法测定人体尿样中的环己胺

引用本文: 杨华梅, 杭莉, 杨建国, 张雪梅, 黄为红, 李晨, 蒋晓丽. 丹磺酰氯柱前衍生-超高效液相色谱-串联质谱法测定人体尿样中的环己胺[J]. 分析化学, 2016, 44(3): 462-467. doi: 10.11895/j.issn.0253-3820.150764 shu

Citation: YANG Hua-Mei, HANG Li, YANG Jian-Guo, ZHANG Xue-Mei, HUANG Wei-Hong, LI Chen, JIANG Xiao-Li. Ultra Liquid Chromatography-Tandem Mass Spectrometry with Dansyl Chloride Pre-column Derivatization[J]. Chinese Journal of Analytical Chemistry, 2016, 44(3): 462-467. doi: 10.11895/j.issn.0253-3820.150764 shu

丹磺酰氯柱前衍生-超高效液相色谱-串联质谱法测定人体尿样中的环己胺

1.
泰州市疾病预防控制中心, 泰州 225300

通讯作者: 杨华梅

摘要: 建立丹磺酰氯柱前衍生-超高效液相色谱-串联质谱法测定人体尿样中环己胺的方法。冷冻样品经解冻、离心后,用丹磺酰氯衍生,固相萃取小柱净化。目标化合物采用Waters ACQUITY CSH^TM C₁₈色谱柱(50 mm×2.1 mm, 1.7 μm)分离,以甲醇和0.002 mol/L乙酸铵溶液为流动相梯度洗脱,采用电喷雾离子源电离、正离子多反应监测模式质谱检测。环己胺在2.5~200 μg/L浓度范围内有较好的线性关系,相关系数大于0.999,回收率为98.7%~102.3%,精密度为3.1%~ 5.2%,检出限和定量限分别为1.0和3.0 μg/L。结果表明,本方法操作简单、准确可靠,可适用于人体尿液中环己胺的定量分析。应用本方法测定200份学生尿液样品,环己胺检出率为34.5%。

关键词:

English

Ultra Liquid Chromatography-Tandem Mass Spectrometry with Dansyl Chloride Pre-column Derivatization

1.
Taizhou Center for Disease Control and Prevention, Taizhou 225300, China

Corresponding author: 杨华梅

Received Date: 28 September 2015

Abstract: A method was developed for the quantification of cyclohexylamine in human urine samples by ultra performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry (UPLC-ESI-MS/MS) with pre-column derivatization. After the refrigerated centrifugation of urine samples, cyclohexylamine in supernatant was derived with dansyl chloride and then its derivant was purified with solid phase extraction (SPE). The target compounds were separated on a Waters ACQUITY CSHTM C₁₈ column (50 mm×2.1 mm, 1.7 μm) with the gradient elution of methanol and water (containing 0.002 mol/L ammonium acetate) and were determined in electrospray positive ionization (ESI⁺) and multiple reaction monitoring (MRM) modes. The linear range was 2.5-200 μg/L for cyclohexylamine with the correlation coefficient more than 0.999. The recovery ranged from 98.7% to 102.3%, with the relative standard deviations (RSDs) of 3.1%-5.2%. The limit of detection (LOD) and the limit of quantitation (LOQ) were 1 μg/L and 3 μg/L. The results indicated that the method was accurate and reliable, and suitable for the detection of cyclohexylamine in urine samples. The urine samples of 200 primary school students were analyzed by this method and the positive rate of cyclohexylamine was 34.5%.

Key words:

Cyclohexylamine
/ Dansyl chloride
/ Derivatization
/ Solid phase extraction
/ Human urine samples
/ Ultra liquid chromatography-tandem mass spectrometry

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

丹磺酰氯柱前衍生-超高效液相色谱-串联质谱法测定人体尿样中的环己胺

通讯作者: 杨华梅

English

Ultra Liquid Chromatography-Tandem Mass Spectrometry with Dansyl Chloride Pre-column Derivatization

Corresponding author: 杨华梅

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

丹磺酰氯柱前衍生-超高效液相色谱-串联质谱法测定人体尿样中的环己胺

通讯作者: 杨华梅

English

Ultra Liquid Chromatography-Tandem Mass Spectrometry with Dansyl Chloride Pre-column Derivatization

Corresponding author: 杨华梅

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

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CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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