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Articles

Serum concentration of toxic metals and rare earth elements in children and adolescent

, , , , , , , & ORCID Icon show all
Pages 696-712 | Received 06 Mar 2019, Accepted 26 May 2019, Published online: 11 Jun 2019
 

ABSTRACT

Biomonitoring studies are important for quantifying the body burden of pollutants and their possible effects on health. Serum concentration of 42 elements was assessed by ICP-MS in 89 children (7.2 ± 3.4 years old) from Bucharest (Romania). Levels of pollutants were compared with the clinical data obtained from routine blood tests. Clinical parameters were in the physiological range. Deficiencies of manganese, selenium, and zinc were discovered. Blood levels of elements were low. The highest levels were observed among children younger than six years. The sum of iron, selenium, barium, nickel, antimony, and cerium was positively associated with hemoglobin (Spearman rho = 0.217, P-value = 0.041), while the sum of copper, thallium, niobium, and tantalum was negatively associated (Spearman rho = −0.228, P-value = 0.032). Given the inherent sensitivity of the child population, additional studies are needed to assess the effects of these elements on their health.

Supplementary material

Supplemental data for this article can be accessed here.

Acknowledgments

This work was possible with funding obtained by L. Gaman from UEFISCDI–Grant for international mobility PN-III-P1-1.1-MC2017-1484 Fellowship for international mobility 2017.

The authors thank Mrs. María de los Reyes Suárez Hanna for her technical assistance.

Competing financial interest declaration

There are no actual or potential conflicts of interest to declare for any author.

Additional information

Funding

This work was supported by the Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) Grant for international mobility 2017 [PN-III-P1-1.1-MC2017-1484].

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