Assessment of exposure to mixture pollutants in Mexican indigenous children

Environmental Science and Pollution Research International
Rogelio Flores-RamírezFernando Martínez Díaz-Barriga

Abstract

The aim of the present work was to complete an exposure assessment in three Mexican indigenous communities using the community-based health risk assessment, which is the first step in the CHILD framework. We used 1-hydroxypyrene (1-OHP) as an exposure biomarker to polycyclic aromatic hydrocarbons (PAHs) and trans, trans-muconic acid (t,t-MA) as an exposure biomarker to benzene, persistent organic pollutants (POPs), lead, manganese, arsenic, and fluoride. Anthropometric measurements were also taken. In these communities, high percentages of children with chronic malnutrition were found (28 to 49 %) based on their weight and age. All communities showed a high percentage of children with detectable levels of four or more compounds (70 to 82 %). Additionally, our results showed that in indigenous communities, children are exposed to elevated levels of certain environmental pollutants, including manganese with 17.6, 16.8, and 7.3 μg/L from SMP, TOC, and CUA, respectively. Lead and HCB levels were similar in the indigenous communities (2.5, 3.1, and 4.2 μg/dL and 2.5, 3.1, and 3.7 ng/mL, respectively). 1-OHP and t,t-MA levels were higher in TOC (0.8 μmol/mol of creatinine, 476 μg/g of creatinine, respectively) when compared with SMP ...Continue Reading

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Citations

Dec 3, 2016·The Science of the Total Environment·R Flores-RamírezF Díaz-Barriga
Mar 6, 2019·Environmental Science and Pollution Research International·Lorena Díaz de León-MartínezRogelio Flores-Ramírez
Dec 22, 2019·Integrated Environmental Assessment and Management·Álvaro Fernández-LlamazaresVictoria Reyes-García
Mar 16, 2019·Annals of Global Health·Rogelio Flores-RamírezFernando Díaz-Barriga
May 30, 2020·Environmental Science and Pollution Research International·Lorena Díaz de León-MartínezRogelio Flores-Ramírez
Jun 20, 2020·Environmental Science and Pollution Research International·Lorena Díaz de León-MartínezRogelio Flores-Ramírez
Nov 20, 2016·Environmental and Molecular Mutagenesis·Jorge Alejandro Alegría-TorresValentina Bollati
Mar 16, 2019·Annals of Global Health·Regina Montero-MontoyaOmar Arellano-Aguilar
Jul 5, 2019·Environmental Science and Pollution Research International·Maribel Rodríguez-AguilarRogelio Flores-Ramírez
Jan 15, 2021·Environmental Science and Pollution Research International·Lorena Díaz de León-MartínezFernando Díaz-Barriga

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