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Synthesis of near-infrared-fluorophore-loaded microplastics with different compositions for in vivo tracking
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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.
NIR-II fluorescent microplastic model particles possessing irregular shapes allow tracking their in vivo behaviors.
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Near-infrared (NIR-II) fluorescent poly(ethylene terephthalate) nano-microplastics for in vivo tracking
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Researchers developed a new method to track nano-microplastics inside living animals in real time using near-infrared fluorescent imaging. By embedding a special dye into common PET plastic particles, they were able to follow the particles through mice after oral exposure, offering a promising tool for studying how plastics of different sizes behave inside the body.
Near-Infrared-II In Vivo Visualization and Quantitative Tracking of Micro/Nanoplastics in Fish
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Scientists developed a new near-infrared imaging technique to track micro- and nanoplastics inside living zebrafish in real time, overcoming limitations of previous detection methods. They found that both sizes of plastic particles accumulated mainly in the gut, with microplastics concentrating more in the front sections and nanoplastics distributing more evenly. This tracking tool helps researchers better understand how plastic particles move through and accumulate in living organisms, which is essential for assessing the risks of microplastic exposure.
NIR-II Plastic Particles for Monitoring IntestinalMotility and Microplastic Deposition in Mice
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Researchers developed near-infrared II (NIR-II) fluorescent plastic particles to non-invasively track microplastic movement and deposition in living mice, finding that microplastics accumulated preferentially in the intestine with slow clearance.
Top-Down Synthesis of Luminescent Microplastics and Nanoplastics by Incorporation of Upconverting Nanoparticles for Environmental Assessment
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Researchers incorporated lanthanide-based upconverting nanoparticles into bulk polyethylene to create luminescent microplastic and nanoplastic model particles that can be tracked under infrared light in biological and environmental samples. This provides an environmentally relevant tool for studying the movement and uptake of plastic particles through organisms.
Label-Free Identification and Imaging of Microplastic and Nanoplastic Biouptake Using Optical Photothermal Infrared Microspectroscopy
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Researchers developed a new imaging technique that can locate and identify microplastic and nanoplastic particles inside whole organisms without needing fluorescent labels. Using a method called optical photothermal infrared microscopy, they tracked polystyrene particles as small as 1 micrometer in roundworms. This tool could help scientists better understand how plastic particles are taken up by living things and where they accumulate in the body.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.