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Papers
61,005 resultsShowing papers similar to New fluorescence labeling isotactic polypropylenes as a tracer: a proof of concept
ClearFluorescent plastic nanoparticles to track their interaction and fate in physiological environments
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.
Making fluorescent nylon, polypropylene, and polystyrene microplastics for in-vivo and in-vitro imaging
Researchers developed methods for making fluorescent nylon, polypropylene, and polystyrene microplastics by incorporating fluorescent dyes during fabrication, enabling reliable tracking in live-cell and in vivo imaging studies. The fluorescent MPs retained their physical properties while allowing visualization of cellular uptake, tissue distribution, and biological interactions.
Making Fluorescent Nylon, Polypropylene, and Polystyrene Microplastics for In Vivo and In Vitro Imaging
Researchers developed two methods to make environmentally relevant microplastics fluorescent for imaging—Rhodamine 6G staining for nylon and polypropylene, and an alternative approach—enabling accurate tracking and quantification of non-fluorescent polymers in biological systems.
Fluorescent Tagging of Polymer Particles with PBN for the Detection of Microplastics in Personal Care Goods
Researchers used fluorescent labeling to detect microplastic particles in personal care products, a common but undermonitored source of plastic pollution. The method proved effective for identifying small polymer particles in consumer goods.
Labeling of PET and PP nanoplastic test materials with non-leachable π-conjugated fluorescent polymers
Researchers produced fluorescently labeled PET and PP nanoplastic particles using co-precipitation with a conjugated polymer dye, achieving over 85% dye internalization and submicron particle sizes, and demonstrated their use for measuring cell uptake while overcoming dosimetry challenges posed by buoyant particles.
Radiolabeling of Micro-/Nanoplastics via In-Diffusion
Researchers developed a radiolabeling method for micro- and nanoplastics by introducing a 64Cu radiotracer into common plastics including polyethylene, polyethylene terephthalate, and others via an in-diffusion technique. The approach provides a sensitive and selective detection strategy for tracking plastic particles in complex ecological media, addressing a key challenge in environmental impact research.
Fabrication and characterization of (fluorescent) model nanoplastics for polymer specific detection
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.
Labelling of micro- and nanoplastics for environmental studies: state-of-the-art and future challenges
Researchers reviewed labelling techniques used to track micro- and nanoplastics in environmental studies, categorizing them into fluorescent, metal, stable isotope, and radioisotope methods. The study found that fluorescent labelling works well for tracking microplastics while metal labelling is more sensitive for nanoplastics research, though a major challenge remains in developing techniques that do not alter the inherent properties of the plastic particles being studied.
From the synthesis of labeled nanoplastic model materials (isotopic and metallic) to their use in ecotoxicological studies with the detection and quantification analytical methods.
This study developed labeled nanoplastic model materials using isotopic and metallic tracers to enable tracking and quantification of nanoplastics in complex biological and environmental matrices at environmentally relevant concentrations. Labeled particles allowed localization and measurement of nanoplastics at levels not detectable by conventional methods, advancing mechanistic exposure studies.
Harnessing PET to track micro- and nanoplastics in vivo
This study explores the use of positron emission tomography (PET) imaging to track micro- and nanoplastic particles in living organisms. Researchers developed methods to radiolabel plastic particles, enabling accurate determination of how these pollutants move through the body, which is critical for understanding the health effects of chronic microplastic exposure.
Generating Tagged Micro‐ and Nanoparticles of Poly(ethylene furanoate) and Poly(ethylene terephthalate) as Reference Materials
Researchers developed methods for generating fluorescently tagged micro- and nanoparticles of poly(ethylene furanoate) (PEF) and poly(ethylene terephthalate) (PET) as reference materials for environmental and biological detection studies. The tagged particles were designed to overcome the detection limit challenges posed by these emerging polymers in environmental samples and tissues, particularly for PEF, which is not yet commercially exploited at scale.
Fluorescent labelling as a tool for identifying and quantifying nanoplastics
Researchers used fluorescent labeling with four fluorescent molecules to enable detection of nanoplastics from six common polymer types (PP, LDPE, HDPE, PS, PET, PVC) via 3D fluorescence spectral analysis. The method provides a practical approach to identifying and quantifying nanoplastics in samples where conventional spectroscopic methods face sensitivity challenges.
Development and Application of Nanoparticle-Nanopolymer Composite Spheres for the Study of Environmental Processes
This study developed labeled synthetic nanoplastic particles with built-in chemical, isotopic, or fluorescent tracers to allow precise tracking of plastic particle fate and behavior in complex environmental and biological samples. These standardized tracer particles address a key bottleneck in microplastic research by enabling more sensitive and selective detection in real-world matrices.
Iodine-131 radiolabeled polyvinylchloride: A potential radiotracer for micro and nanoplastics bioaccumulation and biodistribution study in organisms
Researchers developed a method to radiolabel polyvinyl chloride with iodine-131 for use as a radiotracer to study microplastic bioaccumulation and biodistribution in organisms. The study demonstrated successful preparation of radiolabeled PVC particles, offering a highly sensitive nuclear technique for tracking the fate of micro- and nanoplastics in biological systems.
Fabrication and characterization of (fluorescent) model nanoplastics for polymer specific detection
This study developed and characterized fluorescent model nanoplastics that can be tracked and identified by polymer type, providing standardized reference particles for laboratory research. Reliable model nanoplastics are critical tools for toxicology experiments — without them, it is difficult to compare results across studies or understand which plastic types pose the greatest biological risk.
From the synthesis of labeled nanoplastic model materials (isotopic and metallic) to their use in ecotoxicological studies with the detection and quantification analytical methods.
Researchers synthesized isotopically and metallically labeled nanoplastic model materials to enable tracking and quantification of plastic nanoparticles in complex biological and environmental matrices at trace concentrations. The labeled models supported mechanistic studies of nanoplastic fate and exposure by allowing detection at environmentally relevant concentrations not achievable with conventional unlabeled particles.
Challenges in assessing ecological and health risks of microplastics and nanoplastics: tracking their dynamics in living organisms
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.
Synthesis of near-infrared-fluorophore-loaded microplastics with different compositions for in vivo tracking
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.
Method of manufacturing and staining microplastics for using in the biological experiments
Researchers developed a method for manufacturing PVC microplastic particles via electrospinning and staining them with fluorescent dyes for use in biological experiments, providing a standardized approach for producing particles of controlled size and morphology. Stained PVC particles retained their fluorescence over experimental time periods, enabling reliable tracking in organism tissues.
Stable staining of microplastics using conjugated polymer nanoparticles
Researchers developed conjugated polymer nanoparticles as a new analytical tool for staining and detecting microplastics, demonstrating stable fluorescent labeling of polystyrene particles that remained effective for at least 2.5 years after initial application.
Inorganic Species-Doped Polypropylene Nanoparticles for Multifunctional Detection
Researchers developed a protocol for producing inorganic species-doped polypropylene nanoparticles (80–350 nm) as traceable model particles for studying PP in marine food chains, addressing the lack of easy synthesis routes that has limited PP traceability research.
Autofluorescence of Model Polyethylene Terephthalate Nanoplastics for Cell Interaction Studies
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.
Near-infrared (NIR-II) fluorescent poly(ethylene terephthalate) nano-microplastics for in vivo tracking
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.
Luminous polystyrene upconverted nanoparticles to visualize the traces of nanoplastics in a vegetable plant
Luminous polystyrene upconverted nanoparticles were used to track the uptake and accumulation of nanoplastics in edible plants, providing a novel visualization method that revealed specific tissues and pathways through which nanoplastics travel from soil through roots into above-ground plant structures.