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61,005 resultsShowing papers similar to Aminated Carbon Nanofiber-Mediated Nanoconfined Liquid Phase Nanoextraction Coupled with Py-GC/MS for Sensitive Determination of Polystyrene Nanoplastics
ClearACFs-NH2 developed for dispersive solid phase extraction combined with Py-GC/MS for nanoplastic analysis in ambient water samples
Researchers developed a sample preparation method using amino-functionalized activated carbon fibers paired with pyrolysis-gas chromatography/mass spectrometry to detect nanoplastics in water, achieving recovery rates above 98% for polystyrene nanoplastics in seawater with detection limits as low as 20 µg/L.
Identification of polystyrene nanoplastics from natural organic matter in complex environmental matrices by pyrolysis–gas chromatography–mass spectrometry
Researchers used pyrolysis-gas chromatography-mass spectrometry to identify polystyrene nanoplastics in environmental samples containing natural organic matter, developing methods to distinguish nanoplastic signals from complex organic background matrices in water.
Evaluating the Occurrence of Polystyrene Nanoparticles in Environmental Waters by Agglomeration with Alkylated Ferroferric Oxide Followed by Micropore Membrane Filtration Collection and Py-GC/MS Analysis
Researchers developed a sensitive detection method using alkylated iron oxide nanoparticles to capture nanoplastics from water for analysis by pyrolysis-GC/MS, achieving detection limits of 0.02-0.03 micrograms per liter. Polystyrene nanoplastics were detected in 11 of 15 environmental water samples at concentrations up to 0.73 micrograms per liter, confirming their widespread presence.
Enrichment of Nanoplastics in Waters Using Magnetic Solid Phase Extraction With Magnetic Biochar Adsorbents and Their Determination by Pyrolysis Gas Chromatography‐Mass Spectrometry
Researchers developed a method combining magnetic biochar with pyrolysis gas chromatography to detect and measure nanoplastics in water at very low concentrations. The magnetic biochar efficiently captured polystyrene nanoplastics from both tap and river water, achieving detection limits below 1 microgram per liter. The approach offers a practical and sensitive tool for monitoring nanoplastic contamination in drinking water sources.
Monitoring Poly(methyl methacrylate) and Polyvinyl Dichloride Micro/Nanoplastics in Water by Direct Solid-Phase Microextraction Coupled to Gas Chromatography–Mass Spectrometry
Researchers developed a novel method for detecting and quantifying micro- and nanoplastics in water using solid-phase microextraction coupled with gas chromatography-mass spectrometry. The technique successfully identified poly(methyl methacrylate) and polyvinyl dichloride particles at low concentrations without requiring extensive sample preparation. The study offers a simpler, more sustainable, and more sensitive approach for monitoring plastic particle contamination in aqueous environments.
Identification and Quantification of Nanoplastics in Surface Water and Groundwater by Pyrolysis Gas Chromatography–Mass Spectrometry
Researchers developed a method combining ultrafiltration and pyrolysis gas chromatography-mass spectrometry to identify and quantify nanoplastics in surface water and groundwater. The study successfully detected six types of plastic polymers at the nanoscale in environmental water samples, providing much-needed quantitative data on nanoplastic pollution in real-world water sources.
Protein Corona-Mediated Extraction for Quantitative Analysis of Nanoplastics in Environmental Waters by Pyrolysis Gas Chromatography/Mass Spectrometry
Scientists developed a new method for detecting and measuring nanoplastics in environmental water samples using a protein-based extraction technique paired with specialized mass spectrometry. The approach works by adding a protein that naturally coats nanoplastic particles, which can then be separated from the water and analyzed. Using this method, researchers detected nanoplastics in both river water and wastewater treatment plant samples, demonstrating a practical tool for monitoring these tiny but potentially harmful contaminants.
Nanoplastics Identification in Complex Environmental Matrices: Strategies for Polystyrene and Polypropylene
Researchers developed and compared analytical strategies for detecting and identifying polystyrene and polypropylene nanoplastics in complex environmental matrices, evaluating techniques including pyrolysis-GC/MS, Raman spectroscopy, and electron microscopy, and proposing a multi-method workflow for environmental samples.
Cloud-Point Extraction Combined with Thermal Degradation for Nanoplastic Analysis Using Pyrolysis Gas Chromatography–Mass Spectrometry
Researchers developed a cloud-point extraction method combined with pyrolysis GC-MS to detect and quantify nanoplastics in aqueous samples, achieving detection of particles smaller than those typically measurable with conventional microplastic methods. The technique addresses a critical analytical gap in understanding nanoplastic contamination in water environments.
Detection of trace sub-micron (nano) plastics in water samples using pyrolysis-gas chromatography time of flight mass spectrometry (PY-GCToF).
Researchers evaluated pyrolysis-gas chromatography/mass spectrometry combined with thermal extraction-desorption for detecting sub-micron and nano-sized plastics in water samples, finding it could identify plastic polymers at low concentrations. The method addresses a key gap in detecting the smallest plastic particles in aqueous environments.
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.
Thermal fragmentation enhanced identification and quantification of polystyrene micro/nanoplastics in complex media
Researchers developed a method using thermal fragmentation combined with MALDI-TOF mass spectrometry to identify and quantify polystyrene micro/nanoplastics in complex media, enabling reliable fingerprint-based detection and quantification down to nanoplastic size ranges.
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.
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.
Efficient extraction of polystyrene nanoplastics from water using an ionic liquid
Researchers developed an ionic liquid-based extraction method for efficiently removing polystyrene nanoplastics from water samples. The technique achieved high recovery rates and demonstrated effectiveness for capturing particles at environmentally relevant concentrations. The study offers a promising analytical and remediation tool for addressing nanoplastic contamination in aquatic environments.
Separate determination of polystyrene nanoplastics and microplastics in water by membrane filtration and gel permeation chromatography-ultraviolet detection analysis
Researchers developed a practical laboratory method to separately measure polystyrene nanoplastics and microplastics in water samples using membrane filtration and a specialized chromatography technique. The method was validated in both environmental water and tap water, confirming the presence of nanoplastics through multiple analytical approaches. This represents an important step forward in the ability to accurately distinguish between different sizes of plastic pollution in drinking and environmental water.
Breaking 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.
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.
Thermal Desorption and Extraction Coupled With Gas Chromatography and Mass Spectrometry for the Quantification of Polystyrene Nanoplastic in Pak Choi
This methods paper describes a thermal desorption and extraction approach coupled with gas chromatography-mass spectrometry for detecting plastic-associated chemicals including plasticizers and flame retardants in environmental samples with high sensitivity.
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.
A rapid method to quantify sub-micrometer polystyrene particles in aqueous model systems by TOC analysis
Researchers developed a fast and inexpensive method to measure the concentration of tiny polystyrene microplastic particles (0.5–6 microns) in water using a standard carbon analyzer, finding that adding metal hydroxides to samples significantly improved detection accuracy. The technique offers labs a practical alternative to expensive equipment for quantifying microplastics in controlled experiments.
Sequential Isolation of Microplastics and Nanoplastics in Environmental Waters by Membrane Filtration, Followed by Cloud-Point Extraction
Researchers developed a two-step method combining membrane filtration and cloud-point extraction to sequentially isolate microplastics and nanoplastics from water, achieving over 90% recovery for MPs on membrane filters and over 93% recovery for NPs in the filtrate for subsequent Py-GC/MS analysis.
An optimized multi-technique based analytical platform for identification, characterization and quantification of nanoplastics in water
Researchers developed an analytical platform combining flow fractionation, light scattering, and pyrolysis-GC/MS to simultaneously identify polymer type, measure particle size distribution, and quantify nanoplastics in water samples down to 0.01 ppm, filling a key gap in nanoplastic monitoring tools.
A colorimetric detection of polystyrene nanoplastics with gold nanoparticles in the aqueous phase
Researchers developed a colorimetric detection method using gold nanoparticles to identify polystyrene nanoplastics in water, providing a simpler and more sensitive alternative to traditional spectroscopy methods for detecting nanoplastics that are too small for conventional microplastic analysis.