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Papers
61,005 resultsShowing papers similar to Comparison of Detection Methods of Microplastics in Landfill Mineralized Refuse and Selection of Degradation Degree Indexes
ClearOptimizing microplastic analysis through comparative FTIR and raman spectroscopy: Addressing challenges in environmental degradation studies
This study optimized microplastic analysis by comparing FTIR and Raman spectroscopy approaches for identifying degraded polymer particles in environmental samples where photooxidation and mechanical fragmentation have altered spectral signatures. A combined spectroscopy approach outperformed either technique alone for accurately identifying degraded microplastics in complex environmental matrices.
Microplastics identification in landfill leachates by different spectroscopic techniques
Researchers compared the performance of FTIR and Raman micro-spectroscopy for identifying microplastics in landfill leachate samples, investigating how different pre-treatment protocols affected analytical outcomes. The study re-examined previously treated leachate samples and tested varying concentrations of pre-treatment reagents on duplicate samples to clarify how sample preparation influences the accuracy of microplastic identification in complex matrices.
Optimizing microplastic analysis through comparative FTIR and raman spectroscopy: Addressing challenges in environmental degradation studies
Researchers compared FTIR and Raman spectroscopy for analyzing degraded microplastic polymers in environmental samples, evaluating how polymer aging affects identification accuracy. The study found that spectral databases based on pristine polymers can misidentify weathered microplastics, calling for updated reference libraries.
Identification and assessment of microplastics in wastewater treatment plants using laser direct infrared spectroscopy and depolymerization-coupled liquid chromatography–tandem mass spectrometry
Researchers combined laser direct infrared spectroscopy and depolymerization-coupled LC-MS/MS to comprehensively characterize microplastics in wastewater treatment plants, finding complementary information from each method and documenting MP types and distribution across treatment stages.
Analysis of environmental microplastics by vibrational microspectroscopy: FTIR, Raman or both?
This study reviewed analytical methods for environmental microplastic analysis using vibrational microspectroscopy — comparing FTIR, Raman, and related techniques — and provided guidance on method selection for different sample types and research questions.
Current techniques for identifying, quantifying, and characterizing micro and nanoplastics with emphasis on strengths, limitations, and challenges
Researchers reviewed current analytical techniques for identifying, quantifying, and characterizing micro- and nanoplastics across environmental matrices. The review highlights the strengths and limitations of methods including FTIR, Raman spectroscopy, and pyrolysis-GC/MS, and calls for standardization to improve comparability across studies.
Sources of Microplastics in the Soil and Use of Laser Direct Infrared Imaging for Microplastic Detection
This review covers agricultural soil microplastic sources and examines the application of laser direct infrared (LDIR) imaging as an alternative to conventional Raman and FTIR methods for detecting microplastics in complex soil matrices.
Promising techniques and open challenges for microplastic identification and quantification in environmental matrices
This review assessed current and emerging techniques for microplastic identification and quantification in environmental matrices, highlighting advantages and limitations of methods including FTIR, Raman spectroscopy, and pyrolysis-GC/MS.
Analytical tools in advancing microplastics research for identification and quantification across environmental media: from sample to insight
Researchers reviewed the analytical tools most commonly used for identifying and quantifying microplastics, focusing on FTIR and Raman spectroscopy as the two primary methods. The review compared their strengths and limitations and provided guidance for choosing between them based on particle size, sample matrix, and research objectives.
Advanced analytical techniques for microplastics in the environment: a review
Researchers reviewed the most advanced laboratory tools for detecting and identifying microplastics in environmental samples — including infrared spectroscopy, Raman spectroscopy, and pyrolysis gas chromatography — summarizing the strengths and weaknesses of each technique to help researchers choose the right method for accurate microplastic analysis.
Challenges of Raman spectra to estimate carbonyl index of microplastics: A case study with environmental samples from sea surface
Researchers assessed the feasibility of using carbonyl index (CI) values from Raman spectra as an indicator of polyethylene microplastic degradation, comparing them to CI values from FTIR spectra on the same environmental seawater samples. Despite some correlations observed between the two methods, the weak functional relationships suggest Raman CI cannot reliably substitute for FTIR CI as a degradation indicator.
A Review of Spectroscopic Techniques used for the Quantification and Classification of Microplastics and Nanoplastics in the Environment
This review evaluates spectroscopic techniques — including Raman, FTIR, NIR, ICP-MS, fluorescence, X-ray, and NMR — for identifying and quantifying microplastics and nanoplastics in environmental and biological matrices, covering methodologies, sample handling, and applications.
Detection methods of micro and nanoplastics
This review surveyed current detection methods for micro- and nanoplastics across environmental and food matrices, comparing techniques like FTIR, Raman spectroscopy, and mass spectrometry for identifying these emerging contaminants.
Optical photothermal infrared spectroscopy with simultaneously acquired Raman spectroscopy for two-dimensional microplastic identification
Researchers demonstrated that optical photothermal infrared spectroscopy combined with simultaneous Raman acquisition enables more reliable two-dimensional microplastic identification, overcoming limitations of individual FTIR or Raman techniques alone.
Refined Analysis of Microplastics: Integrating Infrared and Raman Spectroscopy
This study optimized the use of Fourier Transform Infrared Spectroscopy (FTIR) and Raman spectroscopy for characterizing microplastics in aquatic environments, finding that integrating both techniques improves identification accuracy and physicochemical characterization.
Laser-based spectroscopic techniques: A novel approach for distinguishing aging processes and types of microplastics
Researchers applied laser-based spectroscopic techniques as a novel approach to distinguish different aging processes and plastic types in microplastics, examining how biotic and abiotic degradation factors alter spectral signatures across particles ranging from 1 to 1000 microns.
Characterization of microplastics in environment by thermal gravimetric analysis coupled with Fourier transform infrared spectroscopy
Researchers developed a method combining thermogravimetric analysis (TGA) with Fourier transform infrared spectroscopy (FTIR) to identify and quantify microplastics in environmental samples, demonstrating that the combined temperature profiles and absorption spectra provide greater discriminatory power than either technique alone.
Micro- and nanoplastics in the environment: a comprehensive review on detection techniques
This review provides a comprehensive overview of detection techniques for micro- and nanoplastics in the environment. The methods covered include FT-IR spectroscopy, Raman spectroscopy, fluorescence and laser-induced breakdown spectroscopies, electroanalytical techniques, microfluidic systems, and advanced mass spectrometry approaches.
Development of a rapid detection protocol for microplastics using reflectance-FTIR spectroscopic imaging and multivariate classification
Reflectance-FTIR spectroscopy was evaluated as a faster and more automated detection method for microplastics in environmental samples, with results showing strong potential for high-throughput screening. The method could reduce the time and cost of routine microplastic monitoring programs.
Critical assessment of approach towards estimation of microplastics in environmental matrices
This review critically compares methods used to detect and quantify microplastics across environmental matrices including soil, sediment, water, and biosolids, concluding that combining advanced techniques like Raman microspectroscopy and pyrolysis-GC/MS reduces errors compared to standard microscopy and FTIR alone.
Microplastic Detection and Monitoring in Biological and Environmental Systems: A Mini Review of Techniques and Strategies
This mini review compares the major techniques used to detect and measure microplastics in both environmental and biological samples, including infrared spectroscopy, Raman spectroscopy, and mass spectrometry methods. Researchers evaluated the strengths and limitations of each approach for identifying different types and sizes of microplastic particles. The study provides practical guidance for choosing the right detection method depending on the specific research question and sample type.
Laser-based spectroscopic techniques: A novel approach for distinguishing aging processes and types of microplastics
Researchers applied laser-based spectroscopic techniques as a novel approach to distinguish between different aging processes and plastic types in microplastic particles, addressing the challenge of identifying weathered plastics that have undergone physical and chemical degradation in the environment.
Degradation degree analysis of environmental microplastics by micro FT-IR imaging technology
Researchers used micro-FTIR spectral-image fusion to classify the degradation degree of polyethylene microplastics collected from coastal environments, achieving 97.1% classification accuracy and enabling estimation of environmental persistence time from spectral data.
Contributions of Fourier transform infrared spectroscopy in microplastic pollution research: A review
This review covers advances in Fourier transform infrared (FTIR) spectroscopy techniques — including chemical imaging — for identifying polymer types in microplastic samples and tracing their fate in different environmental matrices.