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61,005 resultsShowing papers similar to Fabrication and characterization of (fluorescent) model nanoplastics for polymer specific detection
ClearFabrication 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.
Fluorescent 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.
Fluorescent nanoplastics: What steps are needed towards a representative toolkit?
This review critically examines strategies for creating and using fluorescent nanoplastics in research, noting that commonly used commercial polystyrene beads are not representative of environmental nanoplastics. The study recommends alternative approaches for producing more realistic fluorescent model particles and provides a roadmap to help researchers select appropriate methods for their specific applications.
Developing nano plastics models to study their fate in the environment.
Researchers developed nanoplastic model particles with defined properties to study their behavior and fate in environmental systems. Standardized nanoplastic models are needed because naturally occurring nanoplastics are difficult to isolate and characterize for controlled experiments.
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.
Developing nano plastics models to study their fate in the environment.
Researchers synthesized nanoplastic model particles with well-defined properties to study their environmental fate and transport under controlled conditions. Standardized nanoplastic models allow more reproducible experiments and help bridge the gap between lab studies and real-world nanoplastic behavior.
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.
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.
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.
Preparation of block copolymer-stabilised microspheres of common polymers and their use as microplastics proxies in degradation studies
Researchers developed a simple method to produce standardized model microplastic particles made from common polymers for use in laboratory degradation studies. Reliable model microplastics are essential for consistent research into how different plastic types break down in the environment and affect living organisms.
Control of Nanoparticle Size of Intrinsically Fluorescent PET (Polyethylene Terephthalate) Particles Produced Through Nanoprecipitation
Researchers developed a method to create fluorescent PET (polyethylene terephthalate) nanoparticles of controlled size for use as traceable nanoplastic models in laboratory studies. These standardized particles allow scientists to better track and study how nanoplastics behave in cells and biological systems, addressing a key gap in our understanding of nanoplastic exposure risks.
Aqueous Dispersions of Polypropylene: Toward Reference Materials for Characterizing Nanoplastics
Researchers developed aqueous dispersions of polypropylene nanoplastics to serve as reference materials for detection and characterization studies, addressing a critical gap in nanoplastics research where the lack of standardized reference particles has hindered method development for identifying nanoplastics in environmental and biological samples.
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.
Production, labeling, and applications of micro- and nanoplastic reference and test materials
This study reviews methods for producing, labeling, and applying micro- and nanoplastic reference and test materials for research purposes. The researchers address the growing need for in-house production of standardized test materials, driven by challenges in extracting these particles from the environment and the limited range of commercially available options.
The micro-, submicron-, and nanoplastic hunt: A review of detection methods for plastic particles
This review systematically summarizes detection and characterization methods for micro-, submicron-, and nanoplastics, providing recommendations for method validation, standardization, and analytical pathways suited to different sample types and research goals.
Preparation of Nanoplastic Particles as Potential Standards for the Study of Nanoplastics
Researchers developed methods to prepare well-defined nanoplastic particles as potential reference standards for nanoplastic research, addressing the critical shortage of reliable materials for toxicity studies and analytical method validation. The study characterized the size, shape, and surface properties of the produced particles to confirm their suitability as standards.
The Need for Properly Designed Synthesized Micro- and Nanoplastics with Core–Shell Structure
This review argues that currently available reference micro- and nanoplastics for toxicology research are poorly characterized and lack diversity, making the case for properly designed core-shell synthetic particles that better represent the range of environmentally relevant polymer types.
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.
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.
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.
Synthesis of model polyethylene particles for the study of nanoplastics in the oceans
Researchers synthesized model polyethylene nanoplastic particles to serve as reference materials for studying the behavior and fate of nanoplastics in ocean environments, addressing the gap created by the lack of standardized particles representative of naturally fragmented marine plastic debris.
Small micro- and nanoplastic test and reference materials for research: Current status and future needs
This review highlights the lack of realistic test materials for studying small microplastics and nanoplastics, noting that most lab studies use uniform, spherical particles that do not represent what is actually found in the environment. Better reference materials that match the irregular shapes, sizes, and chemical makeup of real-world plastic particles are needed to accurately assess risks to organisms and human health.
The Challenge of the Analysis of Nanoplastics in the Environment: Current Status and Perspectives
This review examines the analytical challenges of detecting and characterising nanoplastics in environmental samples, presenting the state of the art in size determination, chemical composition analysis, and quantification techniques, as well as a survey of nanoplastic model materials used in the literature.
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.