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Papers
20 resultsShowing papers similar to An Electrochemiluminescence-ActivatedAmphiphilicPerylene Diimide Probe: Enabling Highly Sensitive and Selective Detectionof Polypropylene Nanoplastics in the Environment
ClearAn Electrochemiluminescence-Activated Amphiphilic Perylene Diimide Probe: Enabling Highly Sensitive and Selective Detection of Polypropylene Nanoplastics in the Environment
Scientists developed a new highly sensitive method to detect polypropylene nanoplastics in water using a special fluorescent probe combined with electrochemiluminescence technology. The method can detect nanoplastics at concentrations as low as 0.01 micrograms per liter, far more sensitive than previous approaches. Better detection tools like this are critical for monitoring nanoplastic contamination in drinking water and understanding the true extent of human exposure.
A photoluminescence strategy for detection nanoplastics in water and biological imaging in cells and plants
Researchers developed a fluorescent probe that can rapidly detect nanoplastics in water samples down to very low concentrations. The probe works by binding to nanoplastic surfaces through electrical and chemical interactions, which causes it to glow, enabling both detection and visual tracking in cells and plant tissues. This tool could help scientists better monitor nanoplastic contamination in water and understand how these tiny particles move through living organisms.
Conjugated Polymer Nanoparticles as a Universal High-Affinity Probe for the Selective Detection of Microplastics
Researchers developed conjugated polymer nanoparticles based on fluorescent diketopyrrolopyrrole prepared by nanoprecipitation as a novel high-affinity probe for selective microplastic detection via fluorescence spectroscopy, addressing the limitations of current detection methods in sensitivity and polymer specificity.
Identification of Nanoplastics by Probing the Viscous Nanoenvironment
Researchers developed a cationic fluorescent probe that detects nanoplastics by sensing the viscous nanoenvironment surrounding them rather than reacting with the particle surface, enabling sensitive detection of nanoplastics without relying on conventional reactive functional groups.
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.
Photoluminescence‐Based Techniques for the Detection of Micro‐ and Nanoplastics
This review examined photoluminescence-based techniques for detecting micro- and nanoplastics, evaluating fluorescent labeling and spectroscopic methods as promising approaches to address the challenge of identifying plastic particles at the smallest scales.
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.
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.
Electrochemical and Surface‐Enhanced Raman Scattering Coupling for Dual‐Mode Sensing of Nanoplastics
This study developed a dual-mode detection system combining electrochemical analysis with surface-enhanced Raman scattering to identify nanoplastics in environmental samples, addressing the challenge of detecting NPs by material, size, and surface chemistry simultaneously.
Illuminating the Invisible: Fluorescent Probes as Emerging Tools for Micro/Nanoplastic Identification
This review traces the development of fluorescent probes for detecting micro- and nanoplastics in environmental samples, from early hydrophobic stains to advanced molecular designs with improved selectivity. Researchers found that newer probe technologies offer significant advantages in sensitivity and throughput compared to conventional detection methods like FTIR and Raman spectroscopy. The study highlights remaining challenges including standardizing protocols across different environmental matrices and improving detection of the smallest nanoplastic particles.
Detection and Characterisation of Micro- and Nano-plastics in Water using Optical Spectroscopy
This thesis explored photoluminescence spectroscopy as an alternative technique for detecting and characterizing micro- and nanoplastics in water, optimizing fluorescence excitation-emission features and comparing performance against conventional spectroscopic approaches.
Nanomaterial-based electrochemical chemo(bio)sensors for the detection of nanoplastic residues: trends and future prospects
This study reviews how nanomaterial-based electrochemical sensors can be used to detect tiny nanoplastic residues in water. Researchers found that these sensors offer a promising, practical approach for monitoring nanoplastic contamination in aquatic ecosystems. The findings suggest that advancing these detection tools is important for implementing effective water quality control measures.
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.
Electrochemical approaches for detecting micro and nano-plastics in different environmental matrices
This review evaluates electrochemical sensor technologies as alternatives to conventional spectroscopy methods for detecting micro- and nanoplastics in environmental samples. Researchers found that electrochemical approaches offer advantages in cost, portability, and speed, making them better suited for widespread field monitoring. The study identifies key technical challenges that need to be resolved before these sensors can be broadly adopted for routine environmental surveillance.
A novel protein corona-induced aggregation-ECL strategy based on poly-l-cys/Cu NCs for detecting microplastics in water
Researchers developed a novel electrochemiluminescence sensor using poly-L-cysteine and copper nanoclusters for detecting microplastics in water. The sensor exploits the protein corona that forms around microplastic particles to trigger a measurable signal change. The study demonstrates a sensitive and practical new approach for monitoring microplastic contamination in aquatic environments.
Electrochemical Capture and Sensing of Polystyrene Nanoplastics
Researchers developed an electrochemical method to capture and detect polystyrene nanoplastics from water using proline-functionalized mesoporous silica thin films on screen-printed gold electrodes. The sensor directly captures particles from water bodies, offering a simpler and cheaper alternative to conventional nanoplastic detection methods.
Borosilicate glass nanopipettes enhanced by synergistic electrostatic interactions and steric hindrance for ultrasensitive electrochemical detection of nanoplastics in environmental water samples
Researchers developed an electrochemical sensor using borosilicate glass nanopipettes enhanced with electrostatic interactions to detect nanoplastics in environmental water samples, achieving ultrasensitive trace-level detection without complex sample pretreatment.
Fluorogenic hyaluronan nanogels for detection of micro- and nanoplastics in water
Researchers developed fluorogenic hyaluronan nanogels that bind selectively to micro- and nanoplastic surfaces in water and become brightly emissive upon binding, enabling sensitive fluorescence-based detection of plastic particles in environmental water samples.
In Situ Fluorescent Illumination of Microplastics in Water Utilizing a Combination of Dye/Surfactant and Quenching Techniques
Researchers developed an in situ fluorescent microplastic detection method using a nonpolar dye combined with surfactant to form nanoscale dye particles that selectively adsorb onto and penetrate plastic polymer matrices in water, then quenched free dye fluorescence using aniline to enable direct visualization of stained microplastics without filtration.
Top-down synthesis of luminescent microplastics and nanoplastics by incorporation of upconverting nanoparticles for environmental assessment
Researchers synthesized luminescent polyethylene microplastic and nanoplastic model particles using a top-down approach by incorporating upconverting nanoparticles, producing irregularly shaped particles similar to environmental samples that are trackable under 980 nm near-infrared irradiation for environmental assessment applications.