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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Gut & Microbiome
Marine & Wildlife
Nanoplastics
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Demonstrating the translocation of nanoplastics across the fish intestine using palladium-doped polystyrene in a salmon gut-sac
Environment International2021
96 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 55
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Nathaniel J. Clark,
Nathaniel J. Clark,
Nathaniel J. Clark,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Nathaniel J. Clark,
Farhan R. Khan,
Richard C. Thompson
Denise M. Mitrano,
Farhan R. Khan,
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Farhan R. Khan,
Richard C. Thompson
Farhan R. Khan,
Richard C. Thompson
David Boyle,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Nathaniel J. Clark,
Nathaniel J. Clark,
Richard C. Thompson
Richard C. Thompson
David Boyle,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Farhan R. Khan,
Denise M. Mitrano,
Richard C. Thompson
Farhan R. Khan,
Denise M. Mitrano,
Farhan R. Khan,
Denise M. Mitrano,
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Farhan R. Khan,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Farhan R. Khan,
Richard C. Thompson
Nathaniel J. Clark,
Denise M. Mitrano,
Nathaniel J. Clark,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Nathaniel J. Clark,
Denise M. Mitrano,
Farhan R. Khan,
Denise M. Mitrano,
Denise M. Mitrano,
Nathaniel J. Clark,
Farhan R. Khan,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Nathaniel J. Clark,
Denise M. Mitrano,
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Farhan R. Khan,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Farhan R. Khan,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Farhan R. Khan,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Farhan R. Khan,
Richard C. Thompson
Farhan R. Khan,
Denise M. Mitrano,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Nathaniel J. Clark,
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Denise M. Mitrano,
Farhan R. Khan,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
David Boyle,
David Boyle,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Nathaniel J. Clark,
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Farhan R. Khan,
Farhan R. Khan,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Farhan R. Khan,
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Farhan R. Khan,
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Farhan R. Khan,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Farhan R. Khan,
Farhan R. Khan,
Richard C. Thompson
Farhan R. Khan,
Farhan R. Khan,
Farhan R. Khan,
Denise M. Mitrano,
Farhan R. Khan,
Farhan R. Khan,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Farhan R. Khan,
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Farhan R. Khan,
Farhan R. Khan,
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Denise M. Mitrano,
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Denise M. Mitrano,
Richard C. Thompson
Richard C. Thompson
Richard C. Thompson
Summary
Researchers used palladium-doped polystyrene nanoplastics to quantitatively measure nanoplastic uptake across the fish intestine in a salmon gut-sac model. The study found that between 200 and 700 million nanoplastics entered the intestinal tissue within four hours, with a fraction passing completely through the gut wall, providing evidence that nanoplastics can potentially distribute throughout the body.
Fish are widely reported to ingest microplastics with low levels accumulating in the tissues, but owing to analytical constraints, much less is known about the potential accumulation of nanoplastics via the gut. Recently, the labelling of plastics with inorganic metals (e.g., palladium) has allowed measurements of nanoplastic uptake. The aim of the current study was to quantitatively assess the uptake of nanoplastics by the fish gut using palladium-doped nanoplastics (with a mean hydrodynamic radius of 202 ± 7 nm). By using an ex vivo gut sac exposure system, we show that in 4 h between 200 and 700 million nanoplastics (representing 2.5-9.4% of the administered nanoplastics dose) can enter the mucosa and muscularis layers of the intestine of salmon. Of the particles taken up, up to 700,000 (representing 0.6% of that taken into the tissue) of the nanoplastics passed across the gut epithelium of the anterior intestine and exit into the serosal saline. These data, generated in highly controlled conditions provide a proof-of-concept study, suggesting the potential for nanoplastics to distribute throughout the body, indicating the potential for systemic exposure in fish.