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Solid-Liquid-Liquid Microextraction (µSLLE) for Determining Persistent Pollutants at Marine Microplastics
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Researchers developed a micro solid-liquid-liquid extraction technique to detect persistent organic pollutants adsorbed onto marine microplastics, offering a more sensitive method to measure how these particles accumulate and transport toxic chemicals through ocean ecosystems.
Persistant organic pollutants (POPs) enter to the ocean through the air-ocean interface, or from coastal inputs, especially in the mouths of rivers and gorges [1]. Their stability and persistence, on top of their pervasiveness from man-made pollution, means that POPs...
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Solid-Liquid-Liquid Microextraction (μSLLE) Method for Determining Persistent Pollutants in Microplastics
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A new miniaturized solid-liquid-liquid microextraction method was developed to efficiently extract and analyze up to 27 persistent organic pollutants from marine microplastics using GC-MS. This cost-effective technique enables routine environmental monitoring of toxic chemical contamination on microplastic particles, which act as vectors concentrating pollutants in marine ecosystems.
Sorption of Pollutants on Microplastics
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Researchers reviewed how microplastics act as sponges for environmental pollutants like pesticides, heavy metals, and pharmaceuticals, absorbing and concentrating these chemicals in ways that can amplify their toxicity when ingested by marine animals — and potentially by humans.
Sorption of Pollutants on Microplastics
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Researchers reviewed how microplastics act as sponges for other pollutants in the environment, absorbing toxic chemicals like pesticides and heavy metals and potentially carrying them into the food chain, compounding the health risks of plastic contamination beyond the particles themselves.
Separation, Identification, and Quantification of Microplastics in Environmental Samples
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Tiny plastic bits called microplastics are turning up everywhere, oceans, soil, rivers, and even inside living things, but scientists are still figuring out the best ways to detect and measure them. This review rounds up current lab methods, including cutting-edge tools like AI-powered image analysis, for finding and counting these particles, and stresses that researchers need standardized testing methods to get a clearer, more reliable picture of how much plastic pollution is really out there. That matters for human health because better detection methods are the first step toward understanding how much microplastic we're exposed to through our food, water, and environment.
Quantification of the toxic metals in microplastics from seawater and beach sediments by SF-ICP-MS: comparison of different sample preparation methods
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Researchers applied sector-field ICP-MS to quantify 13 toxic metals—including cadmium, lead, chromium, and mercury—in microplastics collected from Caspian Sea water and beach sediments, comparing three sample preparation protocols and achieving method repeatability of 1–4% RSD, establishing a validated workflow for metal contamination assessment on environmental microplastics.
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