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1.首都医科大学 公共卫生学院,北京 100069
2.北京市朝阳区疾病预防控制中心,北京 100020
3.北京市疾病预防控制中心,食物中毒诊断溯源技术北京市重点实验室,北京 100013
邵 兵,博士,研究员,研究方向:污染物监测与评估,E-mail:shaobingch@sina.com
收稿日期:2024-09-04,
修回日期:2024-12-19,
录用日期:2024-12-31,
网络出版日期:2025-04-16,
纸质出版日期:2025-07-15
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任家乐,刘悦含,孙佳林,牛宇敏,邵兵.超高效液相色谱-串联质谱法测定硅胶腕带中17种双酚类化合物[J].分析测试学报,2025,44(07):1355-1361.
REN Jia-le,LIU Yue-han,SUN Jia-lin,NIU Yu-min,SHAO Bing.Determination of 17 Bisphenols in Silicone Wristbands by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2025,44(07):1355-1361.
任家乐,刘悦含,孙佳林,牛宇敏,邵兵.超高效液相色谱-串联质谱法测定硅胶腕带中17种双酚类化合物[J].分析测试学报,2025,44(07):1355-1361. DOI: 10.12452/j.fxcsxb.240904370.
REN Jia-le,LIU Yue-han,SUN Jia-lin,NIU Yu-min,SHAO Bing.Determination of 17 Bisphenols in Silicone Wristbands by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2025,44(07):1355-1361. DOI: 10.12452/j.fxcsxb.240904370.
硅胶腕带作为一种新兴的、非侵入性被动采样装置,能够有效监测通过吸入和皮肤接触途径进入人体的化合物暴露状况。该研究采用超高效液相色谱-串联质谱(UPLC-MS/MS)建立了硅胶腕带中17种双酚类化合物(BPs)的分析方法。1 g腕带样本经乙腈溶液超声提取后,通过HLB固相萃取柱,采用40%甲醇水溶液淋洗和甲醇溶液洗脱后氮吹至近干,0.5 mL 的50%甲醇水溶液复溶后进行检测。采用同位素内标法定量,17种目标物在0.001~100 μg/L范围内线性关系良好(
r
2
>0.99),检出限为0.001~0.042 μg/kg,定量下限为0.003~0.141 μg/kg。硅胶腕带中17种BPs的加标回收率为71.7%~124%,日内和日间相对标准偏差分别为6.5%~20%和2.3%~16%。利用所建方法对11份实际佩戴后的硅胶腕带进行检测,检出12种BPs,检出量为0.005~2.552 μg/kg,其中双酚
A(BPA)、双酚S(BPS)、4-羟基苯甲酸苄酯(PHBB)、4,4'-二羟基二苯硫醚(TDP)在11个腕带中均检出。该方法灵敏度高,可用于硅胶腕带作为被动采样器吸附17种BPs的检测。
Silicone wristbands,as an emerging,non-invasive passive sampling device,can effectively monitor the exposure of compounds entering the human body via inhalation and dermal contact routes. A method was developed for analyzing 17 bisphenols(BPs) in silicone wristbands by utilizing ultra performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS). Wristband samples were extracted with acetonitrile solution through ultrasonic extraction,followed by purification using an HLB solid-phase extraction column. The purification involved washing with 40% methanol-water solution and elution with methanol solution. The eluent was then evaporated to near dryness under nitrogen,reconstituted with 50% methanol-water solution and analyzed. Quantification was performed using an isotope internal standard method,with good linearity observed for the 17 target compounds in the range of 0.001 μg/L to 100 μg/L,and correlation coefficients(
r
²) greater than 0.99. The method detection limits ranged from 0.001 μg/kg to 0.042 μg/kg,and the quantification limits ranged from 0.003 μg/kg to 0.141 μg/kg. The spiked recoveries for 17 BPs in the wristbands were between 71.7% and 124%,with intra-day and inter-day relative standard deviations of 6.5% to 20% and 2.3% to 16%,respectively. Applying this method to analyze 11 worn wristbands,twelve target compounds were detected,with contents ranging from 0.005 μg/kg to 2.552 μg/kg. Bisphenol A(BPA),bisphenol S(BPS),benzylparaben(PHBB),and 4,4'-thiobisphenol(TDP) were detected in all 11 wristbands,showing a 100% detection rate. This method demonstrates high sensitivity and can be used to detect 17 BPs adsorbed in silicone wristbands.
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