A newly published study introduces a validated analytical method to support more comprehensive and reliable human biomonitoring of persistent organic pollutants (POPs) — chemicals that persist in the environment and accumulate in the human body, posing long-term health and ecological risks.

Developed using gas chromatography coupled with mass spectrometry (GC-MS), the method enables sensitive and selective detection of a wide range of pollutants in small volumes of human serum or plasma. By combining efficient sample extraction with advanced analytical instrumentation, researchers demonstrated the ability to simultaneously measure 47 chemical compounds, including 44 POPs and 3 non-persistent organic pollutants — all within a streamlined workflow that uses just 500 µL of blood.

The approach has been successfully validated, showing high sensitivity, strong linearity, and reliable precision and accuracy, making it suitable for large-scale human biomonitoring applications. This capability is critical for understanding real-world chemical exposures, tracking trends over time, and informing risk assessments that underpin public health protections.

By facilitating comprehensive pollutant profiles from minimal sample volumes, the method supports population-based studies and cross-national comparisons. These insights can guide evidence-based policymaking, help evaluate the effectiveness of environmental regulations, and contribute to the implementation of measures aimed at reducing human exposure to hazardous chemicals.

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