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Papers
61,005 resultsShowing papers similar to A new filtration system for extraction and accurate quantification of microplastics
ClearComparative evaluation of filtration and imaging properties of analytical filters for microplastic capture and analysis
Researchers compared five analytical filter types for microplastic capture and analysis, evaluating their filtration efficiency and imaging properties to help standardize methods and improve the reliability of microplastic quantification across laboratories.
Filter-less separation technique for micronized anthropogenic polymers from artificial seawater
Researchers developed a filter-less method to separate anthropogenic polymer particles from artificial test media, improving the accuracy of laboratory studies on microplastic behavior and toxicity. Cleaner separation techniques reduce contamination artifacts and improve the reliability of microplastic exposure experiments.
An optimized density-based approach for extracting microplastics from soil and sediment samples
Researchers optimized a density-based extraction method for isolating microplastics from soil and sediment samples, testing different density solutions and separation steps to maximize recovery efficiency. The improved protocol reduces contamination risks and particle loss, enabling more accurate quantification of microplastics in terrestrial and freshwater sediment matrices.
A simple method for mapping microplastics filter collectors for microscopic analyses
Researchers developed a simple mapping method for microplastic filter collectors that improves the efficiency and accuracy of microscopic analysis. The technique uses a systematic grid approach to scan filter membranes, reducing the time and effort needed to locate and identify microplastic particles. The method offers a practical improvement for laboratories conducting routine microplastic quantification from environmental samples.
Improved microplastic processing from complex biological samples using a customized vacuum filtration apparatus
Researchers developed a customized vacuum filtration apparatus to improve the processing of microplastics from complex biological marine samples, addressing longstanding methodological barriers in accurately separating and quantifying particles smaller than 5 mm. The system aims to reduce contamination and sample loss that have hindered standardization across microplastic monitoring studies in both abiotic and biotic compartments.
A novel approach for the quantification of the mass of micro and nanoplastic particles from filter samples
Researchers developed a novel gravimetric approach to quantify the mass of micro- and nanoplastic particles collected on filter membranes, complementing existing count-based spectroscopic methods. The method enabled mass estimation from filter samples without requiring individual particle analysis, providing a faster approach for tracking microplastic mass loads in environmental monitoring.
Development and testing of a fractionated filtration for sampling of microplastics in water
Researchers developed and tested a fractionated filtration system for sampling microplastics in water bodies, proposing a standardized sampling concept that accounts for plastic-specific properties to improve comparability of microplastic data across different studies and environments.
Separation of microplastics from mass-limited samples by an effective adsorption technique
Researchers compared adsorption-based separation techniques for extracting microplastics from mass-limited environmental samples, evaluating efficacy and potential degradative effects on polymer integrity. The optimized method improved recovery rates and comparability of results across different sample matrices.
From sieve to microscope: An efficient technique for sample transfer in the process of microplastics’ quantification
Researchers developed a four-step sample transfer technique using a sieve-to-microscope approach to improve the reproducibility of microplastic quantification, addressing particle loss and inconsistent fractionation that are common sources of error in microplastic sample processing workflows.
Matrix Matters: novel insights for the extraction, preparation, and quantitation of microplastics in a freshwater mesocosm study
Researchers developed improved methods for extracting, preparing, and quantifying secondary microplastics in freshwater mesocosm studies, addressing the current lack of reliable extraction techniques needed for robust microplastic exposure and risk assessments.
A novel, highly efficient method for the separation and quantification of plastic particles in sediments of aquatic environments
Researchers improved a density separation method for isolating microplastics from aquatic sediments, achieving higher recovery rates and reducing processing time compared to earlier approaches. The validated method was designed to be reproducible and cost-effective, addressing the need for reliable standardized protocols in microplastic monitoring.
Binary Solvent Extraction of Microplastics from Complex Environmental Matrix.
Researchers tested a two-solvent extraction method for isolating microplastics from complex environmental matrices. An efficient extraction technique is important for accurately detecting and quantifying microplastics in samples like sediment and biological tissue that contain many other organic and inorganic compounds.
A Novel Application of Filtration for the Collection of Microplastics in Waterways
Researchers developed a novel filtration system for collecting microplastics from waterways, demonstrating its effectiveness as a scalable and practical tool for environmental monitoring and plastic pollution assessment.
Microplastic extraction from sediments established? – A critical evaluation from a trace recovery experiment with a custom-made density separator
Scientists evaluated the accuracy of a custom density separator for extracting small microplastic particles from sediment, finding variable recovery rates across different polymer types. Standardized and validated extraction methods are essential for accurate measurements of microplastic contamination in sediment environments.
A new small device made of glass for separating microplastics from marine and freshwater sediments
Researchers developed a new compact glass device for extracting microplastics from marine and freshwater sediments via density separation, addressing shortcomings of existing apparatus such as poor recovery rates and time inefficiency.
A membrane cascade for size-based separation and concentration of nanoplastics in environmental waters
Researchers developed a cascade system of membrane filters that can separate and concentrate nanoplastics from environmental water samples by size. They demonstrated that the system effectively isolates nanoplastic particles while tracking recovery rates using fluorescent markers. The technology addresses a major challenge in nanoplastic research by providing a reliable method to extract these extremely small particles from water for accurate measurement and analysis.
Not all microplastics are created equal. Quantifying efficacy bias and validation of density separation methods
Researchers evaluated and validated density separation methods for extracting microplastics from environmental matrices, quantifying efficacy bias across different polymer types with varying densities. They found that recovery rates differ substantially depending on polymer density relative to the separation solution, introducing systematic bias in microplastic concentration estimates across studies.
Microplastic extraction protocols can impact the polymer structure
Researchers found that common laboratory extraction protocols used to isolate microplastics from environmental samples can alter the polymer structure of the particles, potentially skewing identification and quantification results.
Novel methodology for identification and quantification of microplastics in biological samples
Researchers validated a protocol for identifying and quantifying polyethylene microplastics in biological samples, finding that membrane filtration caused particle retention problems and that flow cytometry offered a more reliable alternative for analysis of biological digests.
Validation of microplastic sample preparation method for freshwater samples
Researchers developed and validated a standardized sample preparation method for extracting microplastics from freshwater samples, testing enzymatic digestion and density separation steps to improve recovery rates and reduce measurement uncertainty across different particle types.
Systematic quantitation for microplastics and nanoplastics based on size-fractionated filtration hyphenated to Raman/SERS and slope-matching strategy
Researchers developed a systematic method for accurately measuring micro- and nanoplastics using size-fractionated filtration combined with Raman and surface-enhanced Raman spectroscopy. The approach addresses the challenge of quantifying plastic particles with heterogeneous size distributions, offering a more reliable strategy for environmental monitoring.
Microplastics everywhere: A review on existing methods of extraction
This review compiled and evaluated existing methods for extracting microplastics from environmental samples, including density separation, oil extraction, and other techniques, assessing their advantages and limitations across different environmental matrices.
Advanced tools and methodologies for identification, characterization, and quantification of micro/nano plastics in environmental matrices
This review comprehensively covers methods for separating, identifying, and quantifying micro- and nanoplastics from environmental matrices, comparing density separation, magnetic separation, filtration, enzymatic treatments, and advanced spectroscopic and imaging characterization techniques.
Not all microplastics are created equal. Quantifying efficacy bias and validation of density separation methods
Researchers systematically evaluated density separation methods used to extract microplastics from environmental matrices (water, soil, sediment), investigating whether efficacy varies by polymer density and identifying potential sources of bias in current approaches. The study highlighted risks from lack of methodological standardisation and called for detailed reporting to improve reproducibility across microplastics research.