We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Regression analysis for the determination of microplastics in sediments using differential scanning calorimetry
ClearModeling microplastic with polyethylene (PE) spherical particles: a differential scanning calorimetry approach for quantification
Researchers developed a thermal analysis approach to detect and quantify polyethylene microplastics in environmental samples, offering an alternative to optical methods. Accurate quantification tools are essential for understanding the true scale of microplastic contamination in soil and water.
Identification of marine microplastics in Eastern Harbor, Mediterranean Coast of Egypt, using differential scanning calorimetry
Researchers applied differential scanning calorimetry (DSC) for the first time to identify microplastics in marine sediments from Eastern Harbor on Egypt's Mediterranean coast, demonstrating it as a cost-effective complement to conventional spectroscopic identification methods.
A facile approach to microplastic identification and quantification using differential scanning calorimetry
Researchers developed a simpler differential scanning calorimetry method to identify and quantify six types of semi-crystalline microplastic polymers in water samples, offering a lower-cost alternative to μFTIR that also provides mass concentration data.
Application of electrostatic separation and differential scanning calorimetry for microplastic analysis in river sediments
Researchers developed a combined method integrating electrostatic separation, density separation, and differential scanning calorimetry for microplastic analysis in river sediments, demonstrating that the approach can process 100-1000 g sample masses and achieved 98% mass reduction in sand matrices and 70-78% in sediments before DSC polymer identification.
Differential scanning calorimetry (DSC): An important tool for polymer identification and characterization of plastic marine debris
Researchers optimized a differential scanning calorimetry method for identifying plastic polymers in marine debris and built a reference library from over 200 polymer standards. They established temperature-based criteria for distinguishing between similar plastic types that are often confused during visual identification. The study provides a practical, reliable tool for improving the accuracy of polymer identification in plastic pollution research.
Quantification of microplastics in complex environmental matrices using a tiered approach with modulated differential scanning calorimetry (MDSC)
Researchers developed a method using modulated differential scanning calorimetry to quantify microplastics in biosolids and soil, achieving 1.4-2.5 times higher sensitivity than conventional thermal analysis with detection limits as low as 7 micrograms per gram. They demonstrated an average recovery rate of 93% for four common plastic types extracted from biosolid samples. The study suggests this thermal approach, combined with complementary spectroscopic techniques, provides a reliable and cost-effective tool for measuring microplastics in complex environmental samples.
Fast and easy quantification of semi-crystalline microplastics in exemplary environmental matrices by differential scanning calorimetry (DSC)
This study demonstrated that differential scanning calorimetry (DSC) can quantify semi-crystalline microplastics (PE, PET, PP, PA6) in environmental matrices, with pre-heating steps improving detection accuracy and reducing interference from organic impurities.
Application of multi-step approach for comprehensive identification of microplastic particles in diverse sediment samples
Researchers developed a multi-step analytical approach to comprehensively identify and characterize microplastics in environmental samples, combining visual, spectroscopic, and thermal analysis. A systematic, multi-method approach is needed to capture the full diversity of microplastic types present in complex environmental matrices.
A novel thermoanalytical method for quantifying microplastics in marine sediments
This study developed a new thermoanalytical method to accurately quantify microplastics in marine sediment samples, particularly fine-grained particles smaller than 1 mm that are difficult to count with existing methods. More precise quantification tools are needed to understand the true scale of microplastic accumulation in marine environments.
Fast identification of microplastics in complex environmental samples by a thermal degradation method
Researchers developed a fast identification method for microplastics in complex environmental samples using thermal analysis, offering a high-throughput alternative to spectroscopic techniques for polymer identification.
Determination of microplastic polyethylene (PE) and polypropylene (PP) in environmental samples using thermal analysis (TGA-DSC)
This study developed a thermal analysis method using thermogravimetric analysis (TGA) to determine the mass concentration of polyethylene and polypropylene microplastics in environmental samples. The approach is cost-effective and straightforward, offering an alternative to the more expensive spectroscopic methods commonly used for microplastic identification.
Identification and quantitation of semi-crystalline microplastics using image analysis and differential scanning calorimetry
Researchers developed an analytical workflow combining optical microscopy with image analysis and differential scanning calorimetry (DSC) for identifying and quantifying semi-crystalline microplastics including LDPE, HDPE, PP, and PET. The study found that particle size significantly affects DSC signal quality, requiring sieve pre-treatment to achieve reliable identification and mass quantitation.
Using FTIRS as pre-screening method for detection of microplastic in bulk sediment samples
A new pre-screening method using infrared spectroscopy was developed to detect plastic particles (LDPE and PET) mixed in sediment samples without time-consuming manual sorting. This technique could speed up large-scale environmental monitoring for microplastic contamination.
Introducing a soil universal model method (SUMM) and its application for qualitative and quantitative determination of poly(ethylene), poly(styrene), poly(vinyl chloride) and poly(ethylene terephthalate) microplastics in a model soil
A thermogravimetry-based method was evaluated for identifying and measuring four types of microplastics (polyethylene, polystyrene, PVC, and PET) mixed in soil samples. The method showed promising results as a faster alternative to traditional microscopy-based approaches for soil microplastic analysis.
Quantitative analysis of microplastics in beach sand via low-temperature solvent extraction and thermal degradation: Effects of particle size and sample depth
Researchers developed a method combining solvent extraction and thermal analysis to precisely measure microplastic content in beach sand at different depths and size fractions. They found that the finest particles, which are often missed by standard methods, contained significant concentrations of polyester and polystyrene. The study highlights that current sampling approaches may substantially underestimate the true amount of microplastic pollution on beaches.
Quantitative Analysis of Poly(ethylene terephthalate) Microplastics in Soil via Thermogravimetry–Mass Spectrometry
Researchers developed a thermogravimetry-mass spectrometry method to quantitatively measure polyethylene terephthalate (PET) microplastics in soil, achieving detection limits suitable for environmentally relevant concentrations. The method addresses a key analytical challenge in soil microplastic research where conventional optical methods struggle with complex soil matrices.
A critical review of the novel analytical methods for the determination of microplastics in sand and sediment samples
This review critically assessed novel analytical methods for detecting microplastics in sand and sediment samples, comparing extraction procedures and identification techniques while highlighting the need for standardized protocols across laboratories.
The applicability of reflectance micro-Fourier-transform infrared spectroscopy for the detection of synthetic microplastics in marine sediments
Researchers developed and validated an optimized micro-FT-IR spectroscopy protocol for detecting microplastics in coastal marine sediments, providing a detailed operating procedure. The standardized method improves detection reliability and enables comparison of results across laboratories studying sediment microplastic contamination.
Dual-method analysis of microplastics in lake and wastewater treatment effluents: comparison of micro-FTIR and differential scanning calorimetry technique
Researchers compared micro-FTIR and differential scanning calorimetry (DSC) for detecting microplastics in lake water and wastewater treatment effluents, finding that both methods showed similar pollution trends but differed in specific results, with micro-FTIR identifying polymer types and DSC providing superior mass quantification from large-volume samples.
Comparison of learning models to predict LDPE, PET, and ABS concentrations in beach sediment based on spectral reflectance
Researchers compared machine learning models to predict concentrations of LDPE, PET, and ABS microplastics in beach sediments using visible-near-infrared spectral reflectance, demonstrating that spectroscopic methods can efficiently estimate microplastic pollution in understudied terrestrial and coastal environments.
Rapid Monitoring Approach for Microplastics Using Portable Pyrolysis-Mass Spectrometry
Researchers developed a rapid monitoring method for microplastics using a portable pyrolysis-mass spectrometry system that can identify polymer types and quantify particles smaller than 5 mm in the field without lengthy laboratory preparation. The approach offers a promising tool for fast, on-site microplastic surveillance in environmental samples.
Simultaneous Trace Identification and Quantification of Common Types of Microplastics in Environmental Samples by Pyrolysis-Gas Chromatography–Mass Spectrometry
Researchers developed a method for simultaneous trace identification and quantification of common microplastic types in environmental samples, improving detection efficiency and enabling more accurate monitoring of multiple plastic polymers at once.
Comparative analysis of microplastics detection methods applied to marine sediments: A case study in the Bay of Marseille
This study compared multiple analytical methods for detecting and quantifying microplastics in marine sediment samples, evaluating extraction efficiency, polymer identification accuracy, and practical considerations for routine environmental monitoring.
Identification of polymer types and additives in marine microplastic particles using pyrolysis-GC/MS and scanning electron microscopy
Researchers used pyrolysis and thermal analysis to identify polymer types and plastic additives in marine microplastic particles, finding a diverse range of polymers and additive chemicals in samples from multiple ocean environments.