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Py-GC/MS Data of Microplastic Detection in Human Atherosclerotic Plaque
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Researchers compared direct pyrolysis-GC/MS measurement against a tailored enzyme-alkali digestion pretreatment protocol for detecting microplastics in human atherosclerotic plaque, evaluating which sample preparation approach yields more reliable polymer identification in calcified tissue.
Microplastic Detection in Human Atherosclerotic Plaque Using Pyrolysis-Gas Chromatography-Mass Spectrometry: Direct Measurement vs. Tailored Enzyme-Alkali Digestion Protocol
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Py-GC/MS Data of Microplastic Detection in Human Atherosclerotic Plaque
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Researchers applied pyrolysis-gas chromatography-mass spectrometry to detect microplastics directly in human atherosclerotic plaque tissue, comparing a direct measurement approach against an enzyme-alkali digestion pretreatment protocol to evaluate which method better recovers polymer signatures from this complex biological matrix.
Microplastics in three types of human arteries detected by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS)
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Researchers detected microplastics in all 17 human artery samples tested, including coronary arteries, carotid arteries, and the aorta. Arteries with atherosclerotic plaques (hardened, narrowed areas) contained significantly more microplastics than plaque-free arteries. This suggests that microplastic accumulation may be associated with atherosclerosis, the buildup of fatty deposits in arteries that is a leading cause of heart attacks and strokes.
Abstract Number: Esoc2026a964 Microplastics Not Detected in Cerebral Thrombi from Cardioembolic Stroke: Detection Using Pyrolysis–gc/ms
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Using pyrolysis-GC/MS — a more chemically rigorous method than visual inspection — researchers analyzed clot material retrieved during mechanical thrombectomy from cardioembolic stroke patients and found no detectable polyethylene, polystyrene, or other plastic polymers, urging caution in interpreting earlier reports of microplastics in cardiovascular tissue.
Microplastics Detection Using Pyrolysis-GC/MS-Based Methods
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Researchers reviewed pyrolysis-GC/MS, a technique that burns plastic particles and identifies them by their chemical breakdown products, finding it a reliable method for confirming whether environmental particles are truly microplastics — an important step toward standardizing detection.
Microplastics Detection Using Pyrolysis-GC/MS-Based Methods
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Pyrolysis coupled with gas chromatography and mass spectrometry (Py-GC/MS) enables reliable identification of polymer composition in suspected microplastic samples, providing the chemical confirmation required to classify particles accurately. Robust detection methods are foundational to monitoring microplastic pollution levels and understanding human exposure through food and water.
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