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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Environmental Sources
Nanoplastics
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14 C-labelled nanoplastics reveal size-dependent bioaccumulation in juvenile rainbow trout ( Oncorhynchus mykiss )
Environmental Science Nano
2026
Maya Al-Sid-Cheikh,
Joyce W. L. Ang,
Gareth T. W. Law,
Ana I. Catarino,
Theodore B. Henry,
Steve Rowland,
Marc‐André Cormier,
Richard C. Thompson
Summary
Using radiocarbon-labelled particles, researchers tracked how nanoplastics of different sizes accumulate and move through juvenile rainbow trout, showing that particle size determines how long nanoplastics stay in the fish and how far they translocate from the gut. Because rainbow trout are widely eaten and farmed, these findings have direct implications for understanding human exposure to nanoplastics through fish consumption.
Models
Size-dependent residence time and translocation of nanoplastics in rainbow trout ( Oncorhynchus mykiss ).