Papers

20 results
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Article Tier 2

A comprehensive and fast microplastics identification based on near-infrared hyperspectral imaging (HSI-NIR) and chemometrics

Researchers developed a near-infrared hyperspectral imaging method combined with chemometric analysis for rapid, high-throughput identification of microplastic types in mixed samples, achieving high classification accuracy and offering a faster alternative to FTIR and Raman methods for routine monitoring.

2021 Environmental Pollution 118 citations
Article Tier 2

A New Chemometric Approach for Automatic Identification of Microplastics from Environmental Compartments Based on FT-IR Spectroscopy

Researchers developed a new chemometric approach for automatic identification of microplastics from environmental samples, designed to handle the challenges of biofilm contamination and surface aging that typically impede standard spectroscopic characterisation methods.

2017 Analytical Chemistry 117 citations
Clinical Trial Tier 1

Automatic microplastic classification using dual-modality spectral and image data for enhanced accuracy

A dual-modality classification system combining FTIR spectral data and microscope images achieved 99% accuracy in automatically identifying five common microplastic polymer types. The study deployed a web application (MPsSpecClassify) that enables researchers to efficiently classify microplastics, addressing the time-consuming and error-prone nature of manual spectral analysis.

2025 Marine Pollution Bulletin 8 citations
Article Tier 2

An investigation on the applications of advanced Infrared Spectroscopy, Spectral Imaging and Machine Learning for Polymer Characterization, including microplastics

This study integrated advanced infrared spectroscopy, spectral imaging, chemometrics, and machine learning to identify and characterize microplastics and polymer degradation products. The combination of techniques improved both the accuracy and throughput of MP analysis compared to conventional methods.

2025 Research Repository UCD (University College Dublin)
Article Tier 2

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.

2023 Environmental Science Advances 23 citations
Article Tier 2

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.

2025 Anais da Academia Brasileira de Ciências
Article Tier 2

Automated identification and quantification of microfibres and microplastics

Researchers developed an automated method using FTIR imaging data analysis to simultaneously identify and quantify both microplastics and microfibers in environmental samples. Automation improves throughput and consistency compared to manual identification, addressing a key bottleneck in large-scale microplastic monitoring.

2019 Analytical Methods 152 citations
Article Tier 2

Comparison of μ-ATR-FTIR spectroscopy and py-GCMS as identification tools for microplastic particles and fibers isolated from river sediments

Researchers compared two identification methods — micro-ATR-FTIR spectroscopy and pyrolysis-GC-MS — for characterizing microplastics extracted from river sediments, finding that the methods generally agreed on dominant polymers but differed in sensitivity to certain types. The comparison provides practical guidance for choosing analytical methods in freshwater microplastic monitoring programs.

2018 Analytical and Bioanalytical Chemistry 286 citations
Article Tier 2

Microplastics in different water samples (seawater, freshwater, and wastewater): Methodology approach for characterization using micro-FTIR spectroscopy

Researchers developed a standardized methodology for detecting and characterizing small microplastics (10-500 micrometers) in different water types using micro-FTIR spectroscopy. The study tested various sample preparation approaches for seawater, freshwater, and wastewater, establishing reliable protocols for rinsing, digestion, and microplastic collection that can be used to assess treatment plant removal efficiency.

2023 Water Research 67 citations
Article Tier 2

An ensemble machine learning method for microplastics identification with FTIR spectrum

Researchers developed an ensemble machine learning method to automatically identify microplastics using Fourier transform infrared (FTIR) spectroscopy data. The approach combines multiple classification algorithms to improve accuracy over individual methods for detecting and categorizing microplastic particles. The study suggests this automated approach could help standardize and accelerate microplastic monitoring in marine environments.

2022 Journal of environmental chemical engineering 79 citations
Article Tier 2

Simultaneous identification of microparticles material nature and size distribution using spectral resonances in MIR-ATR spectroscopy

Researchers developed a mid-infrared ATR spectroscopy technique that can simultaneously identify the material type and size distribution of microparticles in liquid samples using spectral resonance patterns. The method works for both bacteria in biological fluids and microplastics in water. Simultaneous size and composition analysis speeds up environmental microplastic characterization.

2023
Article Tier 2

Harmonizing infrared spectroscopic techniques for microplastic identification: a comparative evaluation of ATR and µFTIR transmission and reflection modes

Researchers systematically compared the performance of Attenuated Total Reflectance (ATR) and micro-Fourier Transform Infrared Spectroscopy (muFTIR) in both transmission and reflection modes for identifying microplastics from twelve common real-world plastic products, providing guidance on optimizing spectroscopic technique selection.

2025
Article Tier 2

Batch analysis of microplastics in water using multi-angle static light scattering and chemometric methods

This study presents a batch analysis approach using multi-angle light scattering combined with chemometrics to measure microplastic size and concentration in water samples more quickly than single-particle methods. Faster analytical approaches are needed to scale up environmental microplastic monitoring.

2022 Analytical Methods 6 citations
Article Tier 2

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.

2024 The Science of The Total Environment 7 citations
Article Tier 2

The power of a multi-technique approach for the reliable quantification of microplastics in water

Researchers applied a multi-technique analytical approach combining several spectroscopic and microscopic methods to improve the reliability of microplastic quantification in environmental samples. The combined approach reduced false positives and improved polymer identification accuracy compared to any single method used alone.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Robust Automatic Identification of Microplastics in Environmental Samples Using FTIR Microscopy

Researchers developed a robust automated method for identifying microplastics in environmental samples using FTIR microscopy combined with machine learning-based spectral matching, improving the consistency and efficiency of microplastic identification compared to manual evaluation.

2019 Analytical Chemistry 87 citations
Article Tier 2

Development of a novel semi-automated analytical system of microplastics using reflectance-FTIR spectrometry: designed for the analysis of large microplastics

A semi-automated reflectance-FTIR spectrometry system was developed for microplastic analysis, designed specifically for large microplastics and capable of dramatically accelerating the otherwise labor-intensive identification process while maintaining accuracy in polymer type determination.

2025 Environmental Science Advances 2 citations
Article Tier 2

Sequential quantification of number and mass of microplastics in municipal wastewater using Fourier-transform infrared spectroscopy and pyrolysis gas chromatography-mass spectrometry

Researchers developed a sequential analytical method combining FTIR microscopy and pyrolysis-GC/MS to identify and quantify microplastics in municipal wastewater samples, with FTIR providing polymer type and physical dimensions and Pyr-GC/MS providing chemical composition. The combined approach improves accuracy compared to using either method alone.

2023 Environmental Pollution 21 citations
Article Tier 2

Validation of an FT-IR microscopy method for the determination of microplastic particles in surface waters

Researchers validated an FT-IR microscopy method for reliably detecting and quantifying microplastic particles in aquatic and solid samples. Validated, standardized analytical methods are essential for producing comparable data across laboratories and building a reliable global picture of microplastic contamination.

2020 MethodsX 34 citations
Article Tier 2

Machine Learning Method for Microplastic Identification Using a Combination of Machine Learning and Raman Spectroscopy

Researchers developed a machine learning method for identifying microplastics using a combination of multiple spectroscopic techniques, improving classification accuracy beyond single-method approaches and enabling automated polymer identification.

2024 1 citations