4.3 Article

Human biomonitoring of 73 elements in blood, serum, erythrocytes and urine

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ELSEVIER GMBH
DOI: 10.1016/j.jtemb.2020.126706

Keywords

Trace elements; Biomonitoring; Blood; Serum; Urine; Erythrocytes; ICP-MS; ICP-OES

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This study extends biomonitoring to 73 elements in clinically relevant specimens such as blood, serum, erythrocytes, and urine, providing valuable information for occupational or environmental hygienists, toxicologists, and clinical chemists due to the high number of determined elements and presented concentration ranges.
Background: Human biomonitoring studies of trace elements in biological fluids are mostly limited to a certain number of elements or biological materials. In this study, we describe the significant extension of a biomonitoring to 73 elements being present in concentration ranges from ng/L to g/L in clinically relevant specimens such as blood, serum, erythrocytes and urine. Methods: The samples were collected from 102 occupationally non-exposed inhabitants of northern Germany. The elements were determined either by inductively coupled plasma tandem mass spectrometry (ICP-MS/MS) in the low concentration range or by inductively coupled plasma optical emission spectrometry (ICP-OES) for essential trace elements and electrolytes. Results: Mean values and selected percentiles of element concentrations are presented for all sample materials. From the results, we calculated the distribution of elements between plasma and blood cells. Application of ICPMS/MS improves selectivity and accuracy in the determination of elements that are strongly spectrally interfered, such as Cr, Ge, Pd or Ti in blood samples. Conclusions: This publication provides very valuable information for occupational or environmental hygienists, toxicologists and clinical chemists due to the particularly high number of determined elements and presented concentration ranges. Y

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