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61,005 resultsShowing papers similar to Rapid detection of nanoplastics down to 20 nm in water by surface-enhanced raman spectroscopy
ClearIdentification of polystyrene nanoplastics using surface enhanced Raman spectroscopy
Researchers demonstrated for the first time that surface-enhanced Raman spectroscopy (SERS) using silver nanoparticles can identify polystyrene nanoplastics as small as 50 nm in real water samples, providing a rapid detection method that bypasses conventional sample preparation and could advance environmental monitoring of nanoplastics previously invisible to standard analytical techniques.
Direct Detection of Polystyrene Nanoplastics in Water Using High-sensitivity Surface-enhanced Raman Scattering with Ag Nanoarray Substrates
Researchers developed a fast, sensitive detection method using silver nanostructures and laser light scattering (surface-enhanced Raman scattering) to identify polystyrene nanoplastics in water at concentrations as low as 10 micrograms per milliliter, offering a practical tool for monitoring nanoplastic contamination in real-world water sources.
Surface-enhanced Raman spectroscopy for the detection of microplastics
Researchers developed a surface-enhanced Raman spectroscopy method using gold nanoparticles to detect polystyrene microplastics at concentrations as low as 6.5 micrograms per milliliter, offering a new tool for detecting sub-micron plastic pollutants in water.
Surface enhanced raman spectroscopy based sensitive and onsite detection of microplastics in water utilizing silver nanoparticles and nanodendrites
This study developed a surface-enhanced Raman spectroscopy method using silver nanoparticles and nanodendrites for rapid, on-site detection of microplastics in water, achieving sensitive polymer identification without extensive sample preparation.
Separation and Identification of Nanoplastics via a Two-Phase System Combined with Surface-Enhanced Raman Spectroscopy
Researchers developed a new method for detecting nanoplastics at extremely low concentrations by combining silver nanoparticle films with a specialized light-scattering technique. The approach could identify polystyrene and PET nanoplastics at trace levels, offering a promising tool for monitoring plastic pollution that is too small for conventional detection methods.
Co-Self-Assembled Monolayer Enables Sensitive SERS Detection of Nanoplastics via Spontaneous Hotspot Entrapment
Researchers developed a new detection method that can identify and measure nanoplastics at concentrations as low as 0.01 micrograms per milliliter by trapping the tiny particles within a single layer of silver nanoparticles. The technique uses surface-enhanced Raman scattering, which amplifies the chemical signal of nanoplastics that are spontaneously captured in the detection hotspots. This approach offers a faster and more sensitive way to monitor nanoplastic pollution in water compared to existing methods.
Quantitative and sensitive analysis of polystyrene nanoplastics down to 50 nm by surface-enhanced Raman spectroscopy in water
Researchers developed a highly sensitive method using surface-enhanced Raman spectroscopy to detect and quantify polystyrene nanoplastics as small as 50 nanometers in water samples. The technique achieved detection limits far below what conventional methods can measure, enabling the identification of nanoplastics at environmentally relevant concentrations. This advancement addresses a critical gap in nanoplastic monitoring, as most existing methods cannot reliably detect particles at such small sizes.
In situ surface-enhanced Raman spectroscopy for the detection of nanoplastics: A novel approach inspired by the aging of nanoplastics
Researchers developed a novel in-situ SERS (surface-enhanced Raman scattering) detection method for nanoplastics that exploits UV photoaging to generate silver nanoparticles directly on particle surfaces, enabling highly sensitive identification of polystyrene, PVC, and PET nanoplastics in real lake water samples at concentrations as low as 1 × 10⁻⁶ mg/mL.
Breaking the Size Barrier: SERS-Based Ultrasensitive Detection and Quantification of Polystyrene Plastics in Real Water Samples
Researchers developed a surface-enhanced Raman spectroscopy (SERS) method capable of detecting and quantifying polystyrene plastic particles of various sizes — including nanoplastics — in real environmental water samples at ultrasensitive concentrations.
Identification of Trace Polystyrene Nanoplastics Down to 50 nm by the Hyphenated Method of Filtration and Surface-Enhanced Raman Spectroscopy Based on Silver Nanowire Membranes
Researchers developed a method combining silver nanowire membrane filtration with surface-enhanced Raman spectroscopy to detect trace polystyrene nanoplastics down to 50 nm in water, addressing a critical gap in nanoplastic analytical techniques.
Efficient silver-based hybrid nano-assemblies for polystyrene nanoparticles SERS detection
Researchers built nanoscale silver-silicon hybrid platforms that can detect polystyrene nanoplastics using a technique called surface-enhanced Raman spectroscopy. The platforms achieved high sensitivity with detection limits in the microgram-per-milliliter range. The technology offers a promising approach for identifying nanoscale plastic particles that are too small for conventional detection methods.
Detection of Silver Nanoparticles in Seawater Using Surface-Enhanced Raman Scattering
Researchers developed a surface-enhanced Raman scattering (SERS) detection strategy for silver nanoparticles in seawater, achieving sensitive identification of PVP-coated AgNPs at environmentally relevant concentrations.
Surface-Enhanced Raman Spectroscopy Facilitates the Detection of Microplastics <1 μm in the Environment
Researchers developed a method using surface-enhanced Raman spectroscopy to detect and identify individual microplastic particles smaller than one micrometer. This technique addresses a major gap in environmental monitoring, since most current methods cannot reliably detect the smallest microplastics that may pose the greatest risk due to their ability to enter cells and tissues.
Controllable preparation of mesoporous spike gold nanocrystals for surface-enhanced Raman spectroscopy detection of micro/nanoplastics in water
Researchers developed a novel detection method combining membrane filtration and surface-enhanced Raman spectroscopy (SERS) using specially synthesized spiked gold nanocrystals to detect nanoplastics in water. The method can simultaneously enrich and detect nanoplastic particles as small as 20 nanometers, addressing a significant gap in reliable detection techniques for these small plastic contaminants that have been found in human blood and placenta.
Detection of environmental nanoplastics via surface-enhanced Raman spectroscopy using high-density, ring-shaped nanogap arrays
Researchers developed a new sensor using gold films patterned with nanoscale ring-shaped gaps to detect plastic particles as small as 50 nanometers in water samples. The technique uses surface-enhanced Raman spectroscopy and requires only tiny sample volumes with no complex preparation. The study represents a step toward practical, field-ready detection of nanoplastics in environmental water sources.
On-Site Detection of Nanoplastics in Liquid Phase by SERS Method
Researchers developed an on-site detection method for nanoplastics in liquid samples using surface-enhanced Raman spectroscopy (SERS), achieving sensitive identification without the laboratory infrastructure required by conventional GC-MS approaches. The SERS method successfully differentiated nanoplastic types in environmental water samples, offering a practical tool for rapid field-deployable nanoplastic monitoring.
Superhydrophobic Surface-Enhanced Raman Spectroscopy (SERS) Substrates for Sensitive Detection of Trace Nanoplastics in Water
Researchers developed a new method to detect extremely small nanoplastics in water by combining a water-repelling surface that concentrates particles with a technique called SERS that amplifies their chemical signal. The method can identify common nanoplastics like polystyrene and PMMA at very low concentrations, which is an important step toward monitoring these tiny pollutants that are difficult to detect with current tools.
One-step detection of nanoplastics in aquatic environments using a portable SERS chessboard substrate
Researchers developed a portable surface-enhanced Raman scattering (SERS) detection platform that captures and identifies nanoplastics from water samples in under one minute using silver nanoparticle-enhanced filter substrates, achieving a detection limit of 0.001 mg/mL for polystyrene nanoplastics across sizes from 30 to 1000 nm.
Sensitive and rapid detection of trace microplastics concentrated through Au-nanoparticle-decorated sponge on the basis of surface-enhanced Raman spectroscopy
A gold nanoparticle-decorated sponge substrate was developed for concentrating trace microplastics followed by surface-enhanced Raman spectroscopy identification, achieving sensitive detection of polystyrene, polyethylene, and PET particles at very low concentrations from water samples with minimal sample preparation.
Single-Particle Nanoplastic Identification by Liquid–Liquid Interfacial Assembly for Correlative SERS-SEM/EDX
Researchers developed a liquid-liquid interface technique that simultaneously concentrates nanoplastic particles from dilute water samples and coats them with silver nanoparticles to enable highly sensitive Raman spectroscopy (SERS) identification, achieving over 95% enrichment efficiency for particles between 100 and 800 nanometers. The method also preserves particle morphology for follow-up electron microscopy analysis. This analytical advance addresses one of the biggest technical barriers in nanoplastic research — detecting and identifying extremely small plastic particles at environmentally relevant concentrations.
Hydrophobicity-driven self-assembly of nanoplastics and silver nanoparticles for the detection of polystyrene microspheres using surface enhanced Raman spectroscopy
Researchers developed a highly sensitive method for detecting nanoplastic particles using surface-enhanced Raman spectroscopy (SERS) on a super-hydrophobic (water-repelling) surface that concentrates the particles into a small spot. The technique detected polystyrene nanoplastics at concentrations as low as 0.5 mg/L, far below what conventional approaches can achieve. Better detection tools for nanoplastics are urgently needed since these ultra-small particles are the hardest to find yet potentially the most biologically hazardous fraction of plastic pollution.
Dark background–surface enhanced Raman spectroscopic detection of nanoplastics: Thermofluidic strategy
Researchers developed a thermofluidic strategy using dark-background surface-enhanced Raman spectroscopy (SERS) for detecting nanoplastics in water, offering a cost-effective and time-efficient detection approach. The method addresses the lack of universally accepted analytical techniques for nanoplastic detection in environmental samples.
Tracking nanoplastics in drinking water: a new frontier with the combination of dielectrophoresis and Raman spectroscopy
Researchers developed a new combined technique using dielectrophoresis and Raman spectroscopy to detect and identify nanoplastics in drinking water. The method can trap and concentrate nanoplastic particles that are too small for conventional detection approaches, then chemically identify them. This advancement addresses a critical gap in our ability to monitor nanoscale plastic contamination in water supplies.
Semiconductor Heterojunction-AgNPs Mediated Surface-Enhanced Raman Spectroscopy (SERS) Sensor for Portable Miniaturized Detection Platform
Researchers developed a novel surface-enhanced Raman spectroscopy sensor for detecting micro- and nanoplastics in water, achieving detection of polystyrene particles as small as 1 nanometer. The sensor uses a semiconductor heterojunction with silver nanoparticle array that provides high sensitivity and signal repeatability. The study demonstrated successful trace detection of nanoplastics in real lake and city water samples using a portable spectrometer, making field-based monitoring more feasible.