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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
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Synthesis of near-infrared-fluorophore-loaded microplastics with different compositions for in vivo tracking
Environmental Science Advances
2026
Masakazu Umezawa,
Sota Inoue,
Ryo Nagasawa,
S. Inoue,
Kohei Soga,
Masakazu Umezawa
Summary
Researchers synthesised fluorescent microplastic particles of different polymer types that can be tracked inside living animals using near-infrared imaging, creating a tool for studying how microplastics move through and accumulate within biological tissues. These model particles help researchers understand real-world microplastic behaviour inside organisms, which is critical for assessing health risks.
Study Type
In vivo
NIR-II fluorescent microplastic model particles possessing irregular shapes allow tracking their in vivo behaviors.