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Determination of mass concentrations of airborne PET microplastics using liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS)
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Using liquid chromatography-tandem mass spectrometry, this study measured airborne polyethylene terephthalate (PET) microplastics in the inhalable fraction of ambient particulate matter. The ability to quantify specific polymer types in breathable air is a methodological advance that will help researchers assess how much plastic people inhale daily and what health risks that poses to the respiratory system.
Ubiquitous airborne microplasctics are present in the inhalable fraction of ambient particulate matter. They may induce lesions in the respiratory system dependent on individual susceptibility and particle properties.
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Detemination of Airborne Microplastics using LC-MS/MS
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Researchers developed and validated an LC-MS/MS method for quantifying airborne microplastics, demonstrating that liquid chromatography-tandem mass spectrometry can provide sensitive and specific identification of plastic polymers in atmospheric particulate samples.
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This study determined mass concentrations of airborne PET microplastics using liquid chromatography coupled to tandem mass spectrometry. The findings contribute to characterizing atmospheric microplastic pollution at the polymer-specific level using an advanced quantitative analytical method.
Determination of Nylon 66 Microplastics in the Inhalable Fraction of Particulate Matter Using High-Performance Liquid Chromatography – Tandem Mass Spectrometry (HPLC-MS/MS)
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This study developed an HPLC-tandem mass spectrometry method for detecting Nylon 66 microplastics in the inhalable fraction of airborne particulate matter, addressing the health risks posed by airborne microplastics that act as carriers for carcinogenic and mutagenic pollutants.
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Using hourly liquid chromatography-tandem mass spectrometry and potential source contribution function analysis, researchers identified atmospheric PET microplastic sources in a Chinese city, finding average concentrations of 112.9 ng/m³ with major contributions from textile and packaging industries.
A Novel Strategy to Directly Quantify Polyethylene Microplastics in PM2.5 Based on Pyrolysis-Gas Chromatography–Tandem Mass Spectrometry
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Researchers developed a new method using pyrolysis gas chromatography-tandem mass spectrometry to directly measure polyethylene microplastics in fine airborne particulate matter (PM2.5). This technique overcomes limitations of visual and spectroscopic methods that struggle to detect very small plastic particles in air samples. The study provides one of the first tools for accurately quantifying microplastics in PM2.5, helping researchers better understand the extent of airborne plastic pollution.
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