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61,005 resultsShowing papers similar to Size-Resolved SERS Detection of Trace Polystyrene Nanoplastics via Selective Electrosorption
ClearBreaking theSize Barrier: SERS-Based UltrasensitiveDetection and Quantification of Polystyrene Plastics in Real WaterSamples
Researchers introduced a SERS-based detection platform capable of identifying and quantifying polystyrene plastic particles of diverse sizes in real water samples with ultrasensitive detection limits, offering a practical tool for environmental microplastic monitoring.
A Highly Sensitive SERS Substrate for Detection of Nanoplastics in Water
Researchers developed a highly sensitive SERS-based substrate for detecting nanoplastic particles in water at very low concentrations. Improved detection tools for nanoplastics are essential for monitoring their presence in drinking water and understanding exposure risks to human health.
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.
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 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.
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.
A green approach to nanoplastic detection: SERS with untreated filter paper for polystyrene nanoplastics
Researchers developed a simple and affordable method to detect nanoplastics in water using silver nanoparticles and ordinary filter paper, achieving detection of polystyrene particles as small as 100 nanometers. The method successfully identified nanoplastics in both drinking water and tap water samples. Better detection tools like this are important because they make it easier to monitor nanoplastic contamination in the water people actually drink, helping researchers understand real-world exposure levels.
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.
Selective on-site detection and quantification of polystyrene microplastics in water using fluorescence-tagged peptides and electrochemical impedance spectroscopy
Researchers created a portable detection system using fluorescence-tagged peptides and electrochemical sensors to identify polystyrene microplastics in different water types. The method could detect microplastics across a wide size range and in various water conditions, including seawater and tap water. This on-site detection approach could make microplastic monitoring faster and more accessible compared to traditional laboratory methods.
Trace analysis of polystyrene microplastics in natural waters
Researchers developed and evaluated analytical methods for trace-level quantification of polystyrene microplastics and nanoplastics in natural water samples, addressing key challenges in sensitivity and accuracy that limit realistic environmental risk assessment.
Determination of polystyrene nanospheres and other nanoplastics in water via binding with organic dyes by capillary electrophoresis with laser-induced fluorescence detection
Researchers developed a new capillary electrophoresis method using fluorescent organic dyes to quantitatively detect polystyrene nanospheres and other nanoplastics in water samples, successfully differentiating them from microplastics and colloidal particles.
Validated method for polystyrene nanoplastic separation in aqueous matrices by asymmetric-flow field flow fraction coupled to MALS and UV–Vis detectors
Researchers developed and fully validated a method to accurately measure nanoplastic particle sizes (30–490 nm) in water using a technique that combines flow separation with light-scattering detection. Having a validated analytical method is a critical step for standardizing how nanoplastics are measured across laboratories, enabling more consistent assessment of their environmental risks.
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.
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.
High sensitivity in quantitative analysis of mixed-size polystyrene micro/nanoplastics in one step
Scientists developed a new method using filtration combined with surface-enhanced Raman spectroscopy to separate and identify mixed-size micro- and nanoplastics in a single step. The technique achieved detection limits as low as parts-per-billion concentration levels and was successfully tested in real-world tap water samples. Reliable methods for detecting nanoplastics in drinking water are crucial for understanding the extent of human exposure through water consumption.
Rapid On-Site and Sensitive Detection of Microplastics Using Zirconium(IV)-Assisted SERS Label
Researchers developed a rapid, portable detection method using specialized spectroscopy that can identify polystyrene microplastics at concentrations as low as 1 part per billion in water. The technique maintained over 90% accuracy when tested in real tap water samples. Affordable, field-ready detection tools like this are essential for monitoring microplastic contamination in food and water systems to protect human health.
A Scalable Synthesis of Ag Nanoporous Film As an Efficient SERS-Substrates for Sensitive Detection of Nanoplastics
Researchers developed a new sensor using silver nanoparticles that can detect nanoplastics at very low concentrations using a technique called SERS (surface-enhanced Raman spectroscopy). The sensor could identify tiny polystyrene particles down to 50 nanometers in size. Better detection tools like this are essential for monitoring nanoplastic contamination in food and water, since current methods often miss the smallest and potentially most dangerous plastic particles.
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.
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.
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.
Concentration analysis of metal-labeled nanoplastics in different water samples using electrochemistry
Researchers developed a low-cost electrochemical method to quantify polystyrene nanoplastics in water by attaching silver ions to their surfaces, reducing the silver to metal, and measuring the resulting signal via voltammetry, achieving 93–112% recovery rates across nanoplastic sizes in lake water and seawater.
Contact-Accessible Silver Nanoparticle-Decorated Electrospun Carbon Fibers for Microplastics Detection by SERS
Scientists developed a new way to detect microplastics (tiny plastic particles) using special silver-coated carbon fibers that can spot these particles much better than current methods. This technology works best on extremely small plastic particles and could help us better identify microplastic contamination in our environment. Better detection of microplastics is important because these particles are increasingly found in our food, water, and air, but we still don't fully understand their health effects.
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.
Nanostructured Raman substrates for the sensitive detection of submicrometer-sized plastic pollutants in water
Researchers developed nanostar-dimer-embedded nanopore substrates for surface-enhanced Raman scattering (SERS) and showed they can detect submicron polystyrene microplastic particles as small as 0.4 micrometers at concentrations of 50 ppm within minutes and without sample pretreatment, offering a sensitive and rapid analytical tool for detecting the smallest plastic pollutants in water.