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Papers
61,005 resultsShowing papers similar to A novel online method for the detection, analysis, and classification of airborne microplastics
ClearA fluorescence approach for an online measurement technique of atmospheric microplastics
Researchers developed a fluorescence-based approach for online, real-time detection of individual atmospheric microplastic particles, addressing the current gap in monitoring sources, transport, and abundance of airborne MPs.
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.
A fluorescence approach for an online measurement technique of atmospheric microplastics
Scientists developed a fluorescence-based instrument that can detect airborne microplastic particles in real time, rather than requiring slow laboratory analysis. The tool successfully identified common plastic types like PET, polyethylene, and polypropylene as individual particles in the air. This technology could help researchers better understand how much microplastic people are actually breathing in, which is important for assessing respiratory health risks from airborne plastic pollution.
Online in situ detection of atmospheric microplastics based on laser-induced breakdown spectroscopy
Researchers developed a laser-based detection system combined with machine learning that can identify and classify different types of microplastics in the air in real time. The system achieved high accuracy in distinguishing between common plastic types like polyethylene, polystyrene, and PVC. Better tools for monitoring airborne microplastics are important because people inhale these particles daily, and understanding what types are present in the air is the first step toward assessing respiratory health risks.
Characterization of the Morphological and Chemical Profile of Different Families of Microplastics in Samples of Breathable Air
Researchers characterized the morphological and chemical profiles of airborne microplastics collected from breathable air samples, finding diverse polymer types and particle shapes and examining how these particles are transported through the atmosphere to the air people breathe.
Development of a standardized methodology for the identification and characterization of airborne microplastics in working spaces
Researchers developed a standardized methodology for identifying and characterizing microplastics in both indoor and outdoor atmospheric samples. The protocol addresses the lack of consistent methods for airborne microplastic monitoring, which is important given the high amount of time people spend indoors.
Merging holography, fluorescence, and machine learning for in situ continuous characterization and classification of airborne microplastics
Researchers developed an instrument combining holography, fluorescence, and machine learning for continuous, real-time characterization of airborne microplastics. The system can identify and classify microplastic particles in situ without requiring laboratory sample collection and analysis. The study represents an advance in monitoring technology that could improve understanding of atmospheric microplastic transport and human exposure.
HoLDI mass spectrometry for rapid, solventless detection of airborne nanoplastics and co-occurring aerosol organics
Scientists developed a new, faster way to detect tiny plastic particles floating in the air we breathe, both indoors and outdoors. The method found plastic particles from common materials like polyethylene in indoor air and cancer-causing chemicals attached to nano-sized particles in outdoor air. This breakthrough could help us better understand how much plastic pollution we're breathing in and its potential health risks.
Quantitation of Atmospheric Suspended Polystyrene Nanoplastics by Active Sampling Prior to Pyrolysis–Gas Chromatography–Mass Spectrometry
Scientists developed a method to measure polystyrene nanoplastics suspended in outdoor air using active air sampling and a specialized chemical analysis technique. They detected nanoplastics at multiple locations, confirming that these ultra-small plastic particles are present in the air we breathe. Since nanoplastics are small enough to penetrate deep into the lungs and potentially enter the bloodstream, reliable measurement methods like this are critical for understanding airborne exposure risks.
Merging holography, fluorescence, and machine learning for in situ, continuous characterization and classification of airborne microplastics
This study combined holography, fluorescence microscopy, and machine learning for continuous in situ detection and classification of airborne microplastics without the need for sample collection and laboratory analysis. The system enabled real-time characterization of particle size, shape, and type in ambient air.
Quantifying the Chemical Composition and Real-Time Mass Loading of Nanoplastic Particles in the Atmosphere Using Aerosol Mass Spectrometry
Scientists developed the first real-time method to measure nanoplastic particles in the air using a specialized instrument called an aerosol mass spectrometer. They detected polystyrene nanoplastics at an urban site in China at concentrations of around 47 nanograms per cubic meter, confirming that we are breathing in tiny plastic particles. This tool could help researchers better understand how much airborne nanoplastic pollution people are actually exposed to.
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 quantification of the airborne plastic particles of 0.43–11 μm: Procedure development and application to atmospheric environment
Researchers developed a new method for measuring airborne plastic particles as small as 0.43 micrometers, a size range rarely studied before. Testing the approach in real atmospheric conditions, they detected multiple types of plastic polymers in the air, including polyethylene, polystyrene, and PET, providing evidence that people are regularly breathing in ultrafine plastic particles.
Airborne microplastics in indoor and outdoor environments of a developing country in South Asia: abundance, distribution, morphology, and possible sources
Researchers quantified airborne microplastic concentrations in indoor and outdoor environments in a South Asian developing country, characterizing particle abundance, size distribution, morphology, and potential sources, finding significant microplastic air pollution in a lower-middle-income country context.
Automatic pre-screening of outdoor airborne microplastics in micrographs using deep learning
Researchers developed a deep learning system to automatically identify potential microplastic particles in microscope images of outdoor air samples. The system was trained specifically for the challenges of airborne microplastics, which appear differently than those found in water. The tool could significantly speed up air quality monitoring by reducing the time-consuming manual screening process currently required.
A review of atmospheric microplastics pollution: In-depth sighting of sources, analytical methods, physiognomies, transport and risks
This review provides an in-depth analysis of atmospheric microplastic pollution, examining sources, detection methods, physical characteristics, transport mechanisms, and health risks. Researchers found that indoor environments tend to contain higher concentrations of airborne microplastics than outdoor settings, and that current detection methods are limited in their ability to capture the smallest particles. The study emphasizes the need for standardized sampling procedures and more research into the health effects of inhaling microplastic particles.
High temporal resolution records of outdoor and indoor airborne microplastics
Researchers used a volumetric spore trap to record airborne microplastics at hourly resolution both indoors and outdoors, demonstrating a novel high-temporal-resolution method that reveals detailed patterns in atmospheric microplastic concentrations.
Microplastics and nanoplastics in the air: a review
This review examines the occurrence, sources, physicochemical characteristics, and sampling and analytical methods for microplastics and nanoplastics in atmospheric air across urban, industrial, coastal, and remote environments. The authors find that fibers and fragments are the dominant atmospheric microplastic forms, that no standardized sampling methods currently exist, and that both passive and active collection approaches are used across the literature with limited comparability.
A Short Review On Content And Composition Of Airborne Microplastics
This short review synthesizes current knowledge on airborne microplastic concentrations and polymer composition, summarizing monitoring data from indoor and outdoor environments and identifying research gaps in exposure assessment.
Plastic breath: Quantification of microplastics and polymer additives in airborne particles
Researchers quantified microplastics and polymer additives in airborne samples to assess inhalation exposure, finding synthetic particles across multiple size fractions in outdoor air. The study highlights airborne microplastics as a significant and often underestimated route of human plastic exposure.
Quantification and identification of airborne small microplastics (<100 μm) and other microlitter components in atmospheric aerosol via a novel elutriation and oleo-extraction method
Researchers developed and optimized a method to quantify and identify small airborne microplastics (5–100 µm) using elutriation, oleoextraction, and purification steps, helping fill a major gap in standardized sampling protocols for atmospheric plastic pollution.
A review of airborne micro- and nano-plastics: Sampling methods, analytical techniques, and exposure risks.
This review of 140 articles on airborne micro- and nanoplastics found that diverse sampling and analytical methods make cross-study comparisons difficult, limiting exposure risk assessment. The authors recommend standardization of methods and highlight that active samplers and FTIR/Raman spectroscopy are the most commonly used approaches for collecting and identifying atmospheric plastic particles.
Microplastic in the Air
This review provides a comprehensive overview of methods for collecting, extracting, and identifying airborne microplastics, examining their sources, transport mechanisms, and persistence in urban and atmospheric environments, and establishing a methodological foundation for future research on microplastic air pollution.
A systematic review of biomonitoring microplastics in environmental matrices: Emphasis on airborne particles, dry deposits, and comparative analysis with traditional methods
This systematic review examines methods for monitoring microplastics in the air, including airborne particles and deposits. Researchers have found microplastics everywhere from city streets to clouds, underscoring the extent of airborne plastic pollution that people breathe in every day.