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1.安徽医科大学 公共卫生学院,安徽 合肥 230032
2.安徽医科大学第二附属医院,安徽 合肥 230601
郄雪娇,博士,助理研究员,研究方向:光谱分析测试,E-mail:qiexjhb@163.com
杜姗姗,博士,助理研究员,研究方向:新污染物识别,E-mail:2022500064@ahmu.edu.cn
收稿日期:2024-09-13,
修回日期:2024-12-12,
录用日期:2025-01-24,
纸质出版日期:2025-05-15
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吴磊,张鑫童,刘紫嫣,张畑幸,朱倩婉,李启玉,郄雪娇,杜姗姗.基于激光直接红外光谱表征尿液样本中的微塑料[J].分析测试学报,2025,44(05):804-810.
WU Lei,ZHANG Xin-tong,LIU Zi-yan,ZHANG Tian-xing,ZHU Qian-wan,LI Qi-yu,QIE Xue-jiao,DU Shan-shan.Identification of Microplastics in Urine by Laser Direct Infrared Spectroscopy[J].Journal of Instrumental Analysis,2025,44(05):804-810.
吴磊,张鑫童,刘紫嫣,张畑幸,朱倩婉,李启玉,郄雪娇,杜姗姗.基于激光直接红外光谱表征尿液样本中的微塑料[J].分析测试学报,2025,44(05):804-810. DOI: 10.12452/j.fxcsxb.240913397.
WU Lei,ZHANG Xin-tong,LIU Zi-yan,ZHANG Tian-xing,ZHU Qian-wan,LI Qi-yu,QIE Xue-jiao,DU Shan-shan.Identification of Microplastics in Urine by Laser Direct Infrared Spectroscopy[J].Journal of Instrumental Analysis,2025,44(05):804-810. DOI: 10.12452/j.fxcsxb.240913397.
该研究基于Agilent 8700激光直接红外光谱技术探究了学龄儿童与成人尿液样本中的微塑料,建立了人体尿液中微塑料的分析方法,并获取了两个年龄段人群尿液中微塑料的类型、数量、粒径分布等详细数据。结果显示,在21名学龄儿童的尿液中检出304个颗粒,其类型主要为高密度聚乙烯、聚氯乙烯、聚酰胺、聚乙烯等;6名成人的尿液中检出42个颗粒,其类型主要为聚氯乙烯、聚酰胺、聚乙烯、聚丙烯等。同时,小粒径(20~70 μm)微塑料在两组样本中占比较高,分别为92.0%和95.2%。对比发现,微塑料在尿液中广泛存在,且两组人群尿液中的微塑料在数量和化学组成上存在差异,或与儿童行为习惯、呼吸代谢特点及生活环境相关。该研究为深入理解微塑料在人体中的暴露情况提供了重要依据,有助于评估不同年龄段人群面临的微塑料暴露风险。
Agilent 8700 laser direct infrared spectroscopy was used to investigate microplastics in urine from school-aged children and adults in this study. An analytical method for detecting microplastics in human urine was established,and detailed data on the types,quantities,and particle size distribution of microplastics in two age groups were obtained. The results revealed the detection of 304 particles in the urine of 21 school-aged children,primarily consisting of high-density polyethylene,polyvinyl chloride,polyamide,and polyethylene. In contrast,42 particles were detected in the urine of 6 adults,predominantly comprising polyvinyl chloride,polyamide,polyethylene,and polypropylene. Notably,microplastics with small particle sizes(20-70 μm) constituted a high proportion in both sample groups,accounting for 92.0% and 95.2%,respectively. Comparative analysis indicated the widespread presence of microplastics in urine,with distinct differences in quantity and chemical composition between the two groups,which may be related to the children's behavior habits,respiratory and metabolic characteristics,and living environment. This research furnishes crucial insights into the exposure of microplastics within the human body,aiding in the assessment of microplastic risks faced by individuals across different age groups.
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