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Fluorescent plastic nanoparticles to track their interaction and fate in physiological environments
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This study developed fluorescently labeled plastic nanoparticles made from PET, polypropylene, and polystyrene that can be tracked in biological environments to study how nanoplastics are taken up and processed by living organisms. Having trackable model nanoplastics is an important tool for understanding how these particles move through tissues and food chains.
This work aims to establish a production and characterization protocol for fluorescent plastic nanoparticles of poly(ethylene terephthalate) (PET), polypropylene (PP), and polystyrene (PS) that can be tracked in biological environments.
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Fluorescent Labeling Strategies for Tracking Micro- and Nanoplastics in Biological Systems
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This review summarizes the main methods for labeling micro- and nanoplastics with fluorescent dyes so the particles can be followed through cells, tissues and organs in lab studies. It compares them with spectroscopy methods, which give chemical information but struggle at the nanoscale.
Investigation of a method for fluorescently labeling polyethylene and polypropylene nanoplastic particles for biological impact assessment research.
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Researchers created tiny particles of two common plastics, polyethylene and polypropylene, including versions aged with UV light, then tested a method to add fluorescent dye to them. The dye labeling stayed stable even after washing with solvents, offering a lab tool for future studies on how these plastic particles affect living cells or organisms.
Challenges in assessing ecological and health risks of microplastics and nanoplastics: tracking their dynamics in living organisms
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Researchers proposed a new method for tracking micro- and nanoplastics in living organisms using fluorescent monomers built directly into the plastic particles during synthesis. Current detection methods require destructive sampling and only provide static snapshots, missing the real-time movement of particles through biological systems. This fluorescent monomer approach is designed to enable continuous, stable imaging of plastic particles as they move through complex biological environments.
Autofluorescence of Model Polyethylene Terephthalate Nanoplastics for Cell Interaction Studies
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Researchers produced model PET nanoplastics through mechanical fragmentation and characterized their autofluorescence properties, enabling label-free tracking of nanoplastic interactions with biological systems without the artifacts introduced by fluorescent dyes.
Fabrication and characterization of (fluorescent) model nanoplastics for polymer specific detection
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Scientists developed fluorescently labeled model nanoplastics that mimic the properties of real plastic particles, enabling polymer-specific identification at very small scales. These standardized reference particles are a key research tool because nanoplastics are otherwise extremely difficult to detect and characterize in environmental samples.
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