Papers

61,005 results
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Article Tier 2

Machine learning based workflow for (micro)plastic spectral reconstruction and classification

A machine learning pipeline combining two spectral reconstruction models with four classification algorithms can identify microplastic polymer types from spectral data with up to 98% accuracy on processed spectra. Applied to real environmental samples, the best model achieved 71% top-one accuracy and over 90% top-three accuracy. Automated, high-accuracy microplastic identification tools are critical for scaling up environmental monitoring and making large-scale surveys practical.

2024 Chemosphere 3 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
Article Tier 2

Spectrometric Detection Of Microplastics In The Environment: A Novel Approach Using Hyperspectral Imaging System

This study developed a novel spectrometric approach to detect microplastics in environmental samples, combining spectral analysis with machine learning classification. The method enabled rapid, accurate identification of multiple polymer types without extensive sample preparation.

2024 UND Scholarly Commons (University of North Dakota)
Article Tier 2

Machine Learning of polymer types from the spectral signature of Raman spectroscopy microplastics data

Researchers applied machine learning to Raman spectroscopy data to classify microplastic polymer types, finding the approach particularly valuable for identifying environmentally weathered particles that are harder to analyze with standard methods. Machine learning tools could improve the speed and accuracy of microplastic identification in environmental monitoring.

2022 arXiv (Cornell University) 5 citations
Article Tier 2

Detection of Microplastics Using Machine Learning

Researchers reviewed and demonstrated machine learning approaches for detecting and classifying microplastics in environmental samples, finding that automated image analysis and spectral classification methods can improve the speed and accuracy of microplastic monitoring compared to manual methods.

2019 30 citations
Article Tier 2

Classifying polymers with mid-IR spectra and machine learning: From monitoring to detection

Researchers applied machine learning to mid-infrared spectra to automatically classify different types of plastic polymers found in the environment. Accurate polymer identification is essential for microplastic research, and this automated approach could improve monitoring efficiency and data consistency across studies.

2023 1 citations
Article Tier 2

Development of robust models for rapid classification of microplastic polymer types based on near infrared hyperspectral images

Researchers used near-infrared hyperspectral imaging combined with machine learning to classify nine types of microplastic particles, finding reliable results even for small particles on wet filters. This method could enable faster, automated identification of diverse microplastic types in environmental water samples.

2021 Analytical Methods 15 citations
Article Tier 2

Raman Spectroscopy and Machine Learning for Microplastics Identification and Classification in Water Environments

Researchers combined Raman spectroscopy with machine learning algorithms for automated identification and classification of microplastics in water environments, achieving high accuracy in distinguishing different polymer types based on spectral fingerprints.

2022 IEEE Journal of Selected Topics in Quantum Electronics 35 citations
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

Characterization and identification of microplastics using Raman spectroscopy coupled with multivariate analysis

Researchers developed a new method using Raman spectroscopy combined with machine learning to identify and classify seven types of microplastics with over 98% accuracy for most polymer types. The approach was also able to correctly identify real-world microplastic samples from snack boxes, water bottles, juice bottles, and medicine vials. This technique could make microplastic detection faster and more reliable compared to manual analysis methods.

2022 Analytica Chimica Acta 168 citations
Article Tier 2

Microplastic particles in the Arctic marine environment: database of IR spectra and its analysis by machine learning methods

Researchers compiled a database of infrared spectra from microplastic particles collected in the Arctic marine environment and applied machine learning methods to automate polymer identification, addressing the labor-intensive nature of manual spectral analysis. They developed and evaluated ML classification models using real environmental polymer spectra to improve the speed and scalability of microplastic chemical characterization in polar research.

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

A comparison of machine learning techniques for the detection of microplastics

This German-language study compared machine learning algorithms for classifying microplastics based on their infrared spectra, finding that several methods could reliably distinguish polymer types. Automating microplastic identification through machine learning could greatly increase the speed and throughput of environmental monitoring.

2020 reposiTUm (TU Wien)
Article Tier 2

Microplastic particles in the Arctic marine environment: database of IR spectra and its analysis by machine learning methods

Researchers built a database of IR spectra from microplastic particles collected across Arctic marine environments and applied machine learning methods to enable faster and less labor-intensive chemical composition analysis, identifying polymer types from spectral signatures at broad regional scales.

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

Classification of household microplastics using a multi-model approach based on Raman spectroscopy

Researchers developed a machine learning approach combined with Raman spectroscopy to identify and classify microplastics commonly found in household products. By using multiple models together, they achieved over 98% accuracy in identifying seven types of standard and real-world microplastic samples, even after environmental weathering. This multi-model approach could provide a faster, more reliable tool for detecting and monitoring microplastic contamination in everyday settings.

2023 Chemosphere 59 citations
Article Tier 2

Development of a machine learning-based method for the analysis of microplastics in environmental samples using µ-Raman spectroscopy

Researchers developed a machine learning system to identify microplastics in environmental samples using Raman spectroscopy — a technique that identifies materials by how they scatter light — training it on over 64,000 spectra and achieving recall above 99% and precision above 97%. Combining the AI with human review reduced analysis time from several hours to under one hour per sample, making microplastic monitoring far more practical at scale.

2023 Microplastics and Nanoplastics 41 citations
Article Tier 2

Microplastic Spectral Classification Using Deep Learning with Denoising and Dimensionality Reduction

Researchers developed a deep learning approach for microplastic spectral classification that incorporates denoising and dimensionality reduction steps, improving the accuracy of identifying and classifying microplastic polymer types from spectral data in marine ecosystems.

2024 1 citations
Article Tier 2

Rapid chemical screening of microplastics and nanoplastics by thermal desorption and pyrolysis mass spectrometry with unsupervised fuzzy clustering

Researchers developed a rapid screening method using thermal desorption and pyrolysis mass spectrometry combined with machine learning to identify microplastics and nanoplastics by chemical composition. Faster, more automated identification tools are essential for scaling up environmental monitoring of microplastic contamination.

2023
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

Open-set convolutional neural network for infrared spectral classification of environmentally sourced microplastics

A convolutional neural network was trained to classify microplastics from infrared spectra, including an 'open-set' capability to flag unknown polymer types not seen during training — achieving 93.1% accuracy. This advance in automated spectral identification will help environmental monitoring programs process large numbers of microplastic samples faster and more reliably.

2026 npj Emerging Contaminants
Article Tier 2

A comparison of microscopic and spectroscopic identification methods for analysis of microplastics in environmental samples

Researchers compared microscopic and spectroscopic methods for analyzing microplastics in environmental samples, evaluating accuracy and efficiency and finding that spectroscopic confirmation substantially reduces misidentification errors.

2015 Marine Pollution Bulletin 820 citations
Article Tier 2

Evaluation-driven preprocessing and interpretable machine learning for large-scale FTIR polymer classification in microplastics research

Scientists developed a new computer program called xpectrass that can automatically identify different types of plastic particles (microplastics) using a special light analysis technique. The program correctly identified plastic types with high accuracy across thousands of samples, which could help researchers better track microplastic pollution in our food, water, and environment. This improved identification system is important because understanding what types of plastics are contaminating our world is a key step in protecting human health from microplastic exposure.

2026
Article Tier 2

Training and evaluating machine learning algorithms for ocean microplastics classification through vibrational spectroscopy

Researchers evaluated multiple machine learning algorithms for automatically classifying ocean microplastics using infrared spectroscopy data across 13 polymer types. The study found that Support Vector Machine classifiers provided the best balance of simplicity and accuracy, offering a practical tool for faster and more reliable identification of microplastic contaminants.

2021 Chemosphere 69 citations
Article Tier 2

Rapid identification of microplastic using portable Raman system and extra trees algorithm

Researchers developed a portable Raman spectroscopy system combined with a machine learning algorithm to rapidly identify and classify different types of microplastics in the field. Portable real-time identification tools are important for environmental monitoring programs that need to quickly characterize microplastics without sending samples to a laboratory.

2020 7 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