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61,005 resultsShowing papers similar to Microplastics analysis: can we carry out a polymeric characterisation of atmospheric aerosol using direct inlet Py-GC/MS?
ClearPyr-GC-Orbitrap-MS method for the target/untargeted analysis of microplastics in air
Researchers developed a pyrolysis-gas chromatography method coupled with Orbitrap mass spectrometry for detecting microplastics in air samples. The technique was optimized for ten common plastic polymers and achieved detection limits in the low microgram range. The study demonstrates that this analytical approach can identify both known and unknown plastic polymers in airborne particulate matter.
Detemination of Airborne Microplastics using LC-MS/MS
Researchers developed and validated an LC-MS/MS method for quantifying airborne microplastics, demonstrating that liquid chromatography-tandem mass spectrometry can provide sensitive and specific identification of plastic polymers in atmospheric particulate samples.
Optimization, performance, and application of a pyrolysis-GC/MS method for the identification of microplastics
Researchers optimized a pyrolysis-GC/MS method for identifying and quantifying microplastics in environmental samples, improving the reliability of polymer identification especially for small particles that are difficult to classify visually. The improved method is particularly valuable for analyzing the smallest microplastic size fractions that dominate by number in marine environments.
Microplastics analysis in environmental samples – recent pyrolysis-gas chromatography-mass spectrometry method improvements to increase the reliability of mass-related data
This study improved pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS) methods for measuring mass-related microplastic data in environmental samples, enhancing reliability and sensitivity for trace-level analysis. Better analytical methods are essential for accurately quantifying microplastic contamination across diverse environmental matrices.
Into the Nanograms─Sensitive Detection of Microplastics in Passively Sampled Indoor Air Using F-Splitless Pyrolysis Gas Chromatography Mass Spectrometry
Researchers developed a highly sensitive method for detecting airborne microplastics in indoor air at the nanogram level using advanced pyrolysis gas chromatography. The study suggests this technique can rapidly identify and quantify microplastics on air sampling filters with minimal preparation, making it easier for scientists to measure the scale of indoor microplastic exposure.
A Novel Strategy to Directly Quantify Polyethylene Microplastics in PM2.5 Based on Pyrolysis-Gas Chromatography–Tandem Mass Spectrometry
Researchers developed a new method using pyrolysis gas chromatography-tandem mass spectrometry to directly measure polyethylene microplastics in fine airborne particulate matter (PM2.5). This technique overcomes limitations of visual and spectroscopic methods that struggle to detect very small plastic particles in air samples. The study provides one of the first tools for accurately quantifying microplastics in PM2.5, helping researchers better understand the extent of airborne plastic pollution.
Development of an analytical method for the analysis of microplastics by Pyrolysis-GC/MS : application on Seine River sediments
Researchers developed and validated an analytical method using pyrolysis coupled with gas chromatography-mass spectrometry (Py-GC/MS) for quantifying microplastics in complex environmental matrices, applying it to Seine River sediment samples rich in mineral and organic matter. They found that Py-GC/MS effectively determined mass concentrations of target polymers and proved complementary to micro-FTIR, though interfering compounds from organic-rich matrices required careful method optimization.
Analysis of microplastics in the environment: Identification and quantification of trace levels of common types of plastic polymers using pyrolysis-GC/MS
Researchers developed analytical methods using pyrolysis coupled with gas chromatography-mass spectrometry for identifying and quantifying 12 common plastic polymers in environmental samples. The validated method achieved detection limits as low as 0.1 micrograms and was successfully applied to analyze microplastics collected from three Mediterranean beaches in northeastern Spain.
Microplastics Identification by Pyrolysis Gas Chromatography Mass Spectrometry (py-GCMS)
This paper reviews pyrolysis gas chromatography mass spectrometry (Py-GC/MS) as a method for identifying and quantifying microplastics in environmental samples. The technique can identify specific polymer types even in complex environmental matrices where visual identification is difficult.
Evidence and Mass Quantification of Atmospheric Microplastics in a Coastal New Zealand City
Researchers quantified atmospheric microplastic deposition in Auckland, New Zealand, combining fluorescence microscopy with pyrolysis-GC/MS to determine both particle counts and mass concentrations of specific polymers in airborne samples.
Qualitative and quantitative analysis of synthetic polymers in ambient aerosols by Curie Point Pyrolysis-Gas Chromatography/Mass Spectrometry
Researchers used pyrolysis-based gas chromatography and mass spectrometry to detect and quantify synthetic polymers and tire wear particles in ambient urban air. The study confirmed that multiple plastic types circulate as airborne particles in cities, contributing to human inhalation exposure on a daily basis.
Atmospheric deposition of microplastics: a sampling and analytical method including the associated measurement uncertainties
Researchers developed a tailored analytical chain for atmospheric microplastic sampling — including collection, processing, and optical microscopy-based analysis — and applied it to quantify atmospheric deposition of microplastics and assess the atmosphere as a vector of global microplastic distribution.
The Challenge of Matrix Interference in Quantitative Analysis of PM2.5 Microplastics Using Pyrolysis–Gas Chromatography-Mass Spectrometry
Scientists found that a common method for detecting tiny plastic particles in air pollution can give wrong results because of chemical interference from other pollutants like salts. They developed a simple water-rinsing technique that fixes this problem and gives more accurate measurements. This matters because we need reliable ways to measure how much plastic pollution people are breathing in, which could affect our health.
Size-resolved identification and quantification of micro/nano-plastics in indoor air using pyrolysis gas chromatography-ion mobility mass spectrometry
A novel pyrolysis gas chromatographic cyclic ion mobility mass spectrometer method was developed to identify and quantify micro- and nanoplastics smaller than 1 micrometer in indoor air, finding four common plastic types in tested samples.
Quantification of microplastic targets in environmental matrices using pyrolysis-gas chromatography-mass spectrometry
This study developed and validated a pyrolysis-gas chromatography-mass spectrometry protocol for quantifying common microplastic polymer types in complex environmental matrices, providing a reliable thermal analysis method for assessing microplastic pollution.
Determination of the microplastic content in Mediterranean benthic macrofauna by pyrolysis-gas chromatography-tandem mass spectrometry
Researchers developed an analytical method combining pyrolysis with gas chromatography-tandem mass spectrometry (Py-GC-MS/MS) for quantifying six common plastic polymers in Mediterranean benthic macrofauna with minimal sample preparation. The method achieved lower detection limits than conventional Py-GC/MS for six polymers including polyethylene and polypropylene, enabling more sensitive monitoring of MP contamination in seafloor organisms.
Microplastics in the environment: Sampling, pretreatment, analysis and occurrence based on current and newly-exploited chromatographic approaches
This review comprehensively examined sampling, pretreatment, and chromatographic analysis methods for microplastics in environmental matrices, evaluating conventional and newly developed approaches and identifying liquid chromatography and pyrolysis-GC/MS as the most promising platforms for chemical characterization of complex microplastic mixtures.
Quantification of microplastics in environmental samples via pressurized liquid extraction and pyrolysis-gas chromatography
Researchers combined pressurized liquid extraction with pyrolysis-gas chromatography to quantify microplastics in environmental samples, validating the method against reference materials and real-world samples. The approach offers a quantitative, polymer-specific measurement of bulk microplastic mass in sediments and soils, complementing particle-counting methods.
Systematic Development of a Simultaneous Determination of Plastic Particle Identity and Adsorbed Organic Compounds by Thermodesorption–Pyrolysis GC/MS (TD-Pyr-GC/MS)
Researchers developed a new pyrolysis-based analytical method that can simultaneously identify the polymer type and measure adsorbed organic pollutants on plastic particles in a single step. This combined approach removes the need for complex extraction steps and could simplify the detection of plastic-associated chemical contaminants in environmental samples.
A novel online method for the detection, analysis, and classification of airborne microplastics
Researchers developed an online method for real-time detection, analysis, and automated classification of airborne microplastics, enabling continuous monitoring of plastic particle concentrations and polymer types in ambient air without the time-consuming sample preparation required by conventional methods.
Quantification of Microplastics by Pyrolysis Coupled with Gas Chromatography and Mass Spectrometry in Sediments: Challenges and Implications
Researchers identified challenges in quantifying microplastics by pyrolysis-GC/MS in sediment samples, finding that incomplete matrix removal during purification can generate interfering pyrolysis products that lead to overestimation of microplastic concentrations.
A novel method for the quantification of tire and polymer-modified bitumen particles in environmental samples by pyrolysis gas chromatography mass spectroscopy
Researchers developed a novel pyrolysis gas chromatography mass spectrometry method for quantifying tire and polymer-modified bitumen particles in environmental samples, improving the detection of what may be the largest source of microplastic pollution.
Analysis of polyethylene microplastics in environmental samples, using a thermal decomposition method
Researchers developed a thermal analysis method using pyrolysis-GC/MS to identify and quantify polyethylene microplastics in environmental samples without relying on visual sorting or density separation. The approach provides a more objective and automatable way to measure microplastic mass in complex environmental matrices.
In situ chemical characterization of airborne nanoplastic particles by aerosol mass spectrometry
Researchers used aerosol mass spectrometry to chemically characterize airborne nanoplastic particles in real time in urban air. They detected multiple polymer types including polyethylene and polystyrene at concentrations that varied with location and weather conditions. This approach enables in situ monitoring of atmospheric nanoplastics without sample collection, advancing understanding of human inhalation exposure.