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Micro-CT als innovatieve visualisatietechniek van microplastics in mariene organismen
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Scientists are testing a new scanning technology called micro-CT (similar to a detailed 3D X-ray) to spot tiny plastic particles hiding inside the bodies of sea creatures like fish and shellfish. This matters because these same seafood species end up on our dinner plates, so better detection tools could help researchers understand how much microplastic is actually getting into the food we eat, and eventually into us.
Laboratorium voor M ilieutoxicologie, Faculteit Bio-ingenieurswetenschappen, U niversiteit Gent E-mail: w out
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Advancing microplastic detection in zebrafish with micro computed tomography: A novel approach to revealing microplastic distribution in organisms
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Researchers tested a new approach using X-ray micro-computed tomography (microCT) to detect and map microplastics inside zebrafish in three dimensions. The non-destructive imaging technique successfully identified polyethylene particles throughout the gut and revealed how their distribution changed over time. This method offers a promising alternative to traditional destructive techniques for studying how microplastics move through living organisms.
Three-dimensional tracking of microplastics in zebrafish using micro-computed tomography
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Scientists used a special 3D scanning technique (like a CT scan for fish) to watch, in real time, how tiny plastic particles move through a zebrafish's gut after being eaten—without having to cut the fish open. They found the microplastics travel toward the back of the intestine before being eliminated, and this new tracking method could help researchers better understand where plastics linger in the body and what harm they might cause. While this study was done in fish, it offers a promising tool for future research into how ingested microplastics behave inside living creatures, including potentially humans.
Enhancing microplastic detection in biological tissue with x-ray computed tomography
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This study tested X-ray computed tomography (CT scanning) as a way to detect microplastics in biological tissue, exploring whether this non-destructive imaging approach could improve on current methods that require chemically processing samples. A non-destructive technique would allow scientists to study microplastic distribution in tissues without destroying the sample, potentially enabling more detailed and repeatable analyses.
Enhancing microplastic detection in biological tissue with x-ray computed tomography
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This study tested X-ray computed tomography (CT scanning) as a way to detect microplastics in biological tissue, exploring whether this non-destructive imaging approach could improve on current methods that require chemically processing samples. A non-destructive technique would allow scientists to study microplastic distribution in tissues without destroying the sample, potentially enabling more detailed and repeatable analyses.
X-ray computed tomography: A novel non-invasive approach for the detection of microplastics in sediments?
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Researchers tested whether X-ray computed tomography (CT scanning) can non-invasively detect microplastics in river sediment cores, finding it works well for particles 4 mm or larger but cannot resolve smaller microplastics below 125 μm due to resolution limits. Importantly, CT scanning also revealed sediment layering and structural features that affect where microplastics accumulate — information that is lost when sediment cores are physically extracted and processed by conventional methods. This non-destructive approach could improve how scientists study microplastic distribution in sediments.
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