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How can studying microplastics and micropollutants protect human health?
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Microplastics can attach to and carry other pollutants, like pesticides, dyes and pharmaceuticals, sometimes building up to harmful levels. A researcher at Kansas State University is using detailed microscopy methods to study how these pollutants stick to, travel with and separate from microplastic particles.
How can studying microplastics and micropollutants protect human health?Microplastics have the rather unhelpful habit of attracting and transporting other micropollutants such as pesticides, dyes and pharmaceuticals, often causing them to accumulate in levels harmful to humans, animals and the environment.At Kansas State University in the US, Professor Daniel Higgins is using advanced microscopy techniques to investigate how micropollutants are attached to, transported by and released from microplastics, increasing our understanding of the risks they pose.
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Microplastics are everywhere — we need to understand how they affect human health
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Researchers highlight that microplastics are now accumulating in human organs and tissues, and urgently call for deeper scientific investigation into what this means for human health — as the particles are virtually everywhere but their biological effects remain poorly understood.
Assessment of pesticide sorption to common microplastics in aqueous media via non-depletive solid phase microextraction
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Scientists developed a more accurate way to measure how pesticides stick to microplastic particles in water, without disturbing the sample during testing. This matters because microplastics can act like sponges, soaking up pesticides and other chemicals and potentially carrying them into our water and food supply. Understanding this process better helps researchers predict where these combined pollutants end up and how they might affect human health.
CAN WE SEE SMALLER? QUANTIFYING less than 100 MICRON MICROPLASTICS WITH PHOTOMICROGRAPHS
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Researchers developed a double-dye optical microscopy technique combining Nile Red and a non-polar UV dye to detect and quantify microplastic particles smaller than 100 microns, a size class often missed in standard analyses. The second dye improved detection of previously elusive materials like PVC and rubber tire particles, though practical limitations remain for routine application.
Microplastic research must consider microbes
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Researchers argue that microplastic pollution studies have largely overlooked the gut microbiome, calling for urgent research into how ingested and inhaled microplastics disrupt microbial communities and what downstream consequences that may have for host and ecosystem health.
Interaction Between Microplastics and Pollutants
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Researchers examined how microplastics interact with environmental pollutants, finding that their accumulation causes physical harm including suffocation and energy depletion in aquatic organisms, while their surfaces act as vectors that concentrate and transport co-contaminants through ecosystems in various forms including films and fragments.
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