Papers

61,005 results
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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

Automated Identification and Quantification of Microplastics by FTIR Imaging and Image Analysis

This research developed an automated system using FTIR imaging and chemometric analysis to identify and count microplastic particles smaller than 500 micrometers. Automating this step addresses a major bottleneck in microplastic research, allowing for faster and more consistent analysis of environmental samples.

2018 Helmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut)
Article Tier 2

An automated approach for microplastics analysis using focal plane array (FPA) FTIR microscopy and image analysis

Researchers developed an automated approach using focal plane array FT-IR spectroscopy for microplastic analysis, enabling faster and more comprehensive identification of particles in environmental samples with less manual effort.

2017 Analytical Methods 456 citations
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

Computer-Assisted Analysis of Microplastics in Environmental Samples Based on μFTIR Imaging in Combination with Machine Learning

Researchers developed machine learning approaches for automated microplastic identification in environmental samples from micro-FTIR imaging data, demonstrating improved accuracy and speed compared to traditional spectral library search methods for scalable analysis.

2021 Environmental Science & Technology Letters 123 citations
Article Tier 2

Focal plane array detector-based micro-Fourier-transform infrared imaging for the analysis of microplastics in environmental samples

Researchers developed an automated protocol using focal plane array FT-IR imaging to identify and count microplastics on filters without manual sorting, dramatically increasing throughput compared to manual methods. The approach represents an important step toward standardized, high-throughput microplastic monitoring in aquatic environments.

2015 Environmental Chemistry 547 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
Article Tier 2

A novel method for purification, quantitative analysis and characterization of microplastic fibers using Micro-FTIR

Researchers developed an improved method for purifying, quantifying, and characterizing microplastic fibers using micro-FTIR spectroscopy, addressing the challenge that fibers are harder to process and identify than other microplastic shapes. The method improvements enable more accurate characterization of this common but technically challenging category of environmental microplastics.

2019 Chemosphere 191 citations
Article Tier 2

Automated rapid & intelligent microplastics mapping by FTIR microscopy: A Python–based workflow

An algorithm was developed for automated FTIR microscopy that skips empty areas and non-plastic particles on filters, dramatically reducing scan times while maintaining accuracy. Faster automated analysis makes it practical to screen more environmental microplastic samples, improving the quality of contamination assessments.

2019 MethodsX 38 citations
Article Tier 2

A comparison of spectroscopic analysis methods for microplastics: Manual, semi-automated, and automated Fourier transform infrared and Raman techniques

Researchers compared manual, semi-automated, and fully automated methods for identifying microplastics using FTIR and Raman spectroscopy. They found that the semi-automated approach was the best balance of accuracy and efficiency, detecting 22% more microplastic particles than manual analysis while taking less time. The fully automated method was fastest but had an 80% false positive rate, while Raman microscopy was better for very small particles but took nine times longer.

2021 Marine Pollution Bulletin 84 citations
Article Tier 2

Classification and Quantification of Microplastics (<100 μm) Using a Focal Plane Array–Fourier Transform Infrared Imaging System and Machine Learning

Researchers developed a method using focal plane array Fourier transform infrared imaging to classify and quantify microplastics smaller than 100 micrometers. The technique allows simultaneous chemical identification and size measurement of individual particles across a filter sample, significantly improving throughput compared to manual analysis. The study demonstrates that automated spectroscopic imaging can reliably detect and categorize very small microplastics that are often missed by conventional methods.

2020 Analytical Chemistry 172 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

Automated Machine-Learning-DrivenAnalysis of Microplasticsby TGA-FTIR for Enhanced Identification and Quantification

Researchers developed an automated machine-learning-driven analysis pipeline for characterizing microplastics using thermogravimetric analysis coupled with FTIR, achieving rapid polymer identification and quantification that could enable high-throughput environmental monitoring.

2025 Figshare
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

Know What You Don’t Know: Assessment of Overlooked Microplastic Particles in FTIR Images

A reference image dataset containing over 1,200 microplastic and non-microplastic particles was developed to evaluate whether FTIR-based data analysis routines miss any particles during automated microplastic identification. Many existing routines overlooked a significant fraction of particles, particularly smaller ones. Better evaluation tools are needed to ensure that automated microplastic analysis is complete and accurate.

2022 Microplastics 5 citations
Article Tier 2

High Throughput FTIR Analysis of Macro and Microplastics with Plate Readers

This study developed high-throughput FTIR plate reader methods to analyze larger microplastics and macroplastics more efficiently than traditional manual ATR approaches. Faster and more automated chemical identification of plastic particles is critical for scaling up environmental monitoring programs.

2023 1 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

Development of a Near-Infrared Imaging System for Identifying Microplastics in Water

Researchers developed a near-infrared imaging system capable of automatically identifying and characterizing microplastics suspended in water, successfully obtaining material identification images without the manual sorting typically required by conventional methods.

2022 2 citations
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 machine learning algorithm for high throughput identification of FTIR spectra: Application on microplastics collected in the Mediterranean Sea

Researchers developed a machine learning method to automatically identify the chemical composition of microplastics from FTIR spectroscopy data collected during the Tara Mediterranean expedition. The algorithm performed well for common polymers like polyethylene and was applied to classify over 4,000 unidentified microplastic spectra. The study demonstrates that automated identification tools can significantly speed up large-scale microplastic pollution surveys while maintaining acceptable accuracy.

2019 Chemosphere 172 citations
Article Tier 2

Reference database design for the automated analysis of microplastic samples based on Fourier transform infrared (FTIR) spectroscopy

A reference database for automated FTIR-based microplastic identification was developed using hierarchical cluster analysis of reference spectra, enabling both single-particle identification and chemical imaging analysis. The database design improves the reproducibility and comparability of automated microplastic identification across different laboratories and instrumentation types.

2018 Analytical and Bioanalytical Chemistry 516 citations
Article Tier 2

Identification and Quantification of Microplastics in the Marine Environment Using the Laser Direct Infrared (LDIR) Technique

Researchers evaluated the laser direct infrared (LDIR) technique for identifying and quantifying marine microplastics, demonstrating it as a faster and more automated alternative to conventional FTIR methods with comparable accuracy.

2022 Environmental Science & Technology 120 citations
Article Tier 2

Investigation of new analysis methods for simultaneous and rapid identification of five different microplastics using ATR-FTIR spectroscopy and chemometrics

Researchers developed and evaluated ATR-FTIR spectroscopy combined with chemometric analysis for simultaneous rapid identification of five common microplastic polymer types in water samples. The method achieved high classification accuracy across polymer types, offering a faster and more automated alternative to conventional single-polymer identification approaches.

2024 Environmental Pollution 5 citations
Article Tier 2

Comparison of two rapid automated analysis tools for large FTIR microplastic datasets

Researchers compared two automated analysis tools for large FTIR microplastic datasets and found significant differences in polymer identification results, highlighting the urgent need for standardized data analysis methods in microplastic research.

2023 Analytical and Bioanalytical Chemistry 48 citations