Papers

61,005 results
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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

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

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

Identification of microplastics using a convolutional neural network based on micro-Raman spectroscopy

Researchers combined micro-Raman spectroscopy with a neural network to identify microplastics, achieving over 99% accuracy across 10 different plastic types. The system was also tested on real environmental samples and performed well at classifying unknown particles. This AI-powered approach could make microplastic identification faster and more reliable for environmental monitoring.

2023 Talanta 41 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

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

Recent Advances in Raman Spectral Classification with Machine Learning

This review summarized recent advances in applying machine learning to Raman spectral classification, addressing the challenges of weak signals, complex spectra, and high-dimensional data that limit traditional chemometric methods. The advances have significant implications for automated, high-throughput microplastic polymer identification.

2026 Sensors 1 citations
Article Tier 2

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

Machine learning models were applied to Raman spectroscopy data to improve polymer type identification in environmentally weathered microplastics, which are harder to classify than pristine samples. The approach achieved better accuracy by accounting for spectral changes caused by UV exposure and physical degradation.

2023 Advances in Artificial Intelligence and Machine Learning 24 citations
Article Tier 2

Raman Spectroscopy Enhanced By Machine Learning For Effective Microplastic Detection In Aquatic Systems

Researchers explored combining Raman spectroscopy with machine learning techniques to improve microplastic detection and classification in aquatic systems. The study found that deep learning models, particularly convolutional neural networks, achieved high classification accuracy and significantly reduced reliance on labor-intensive manual spectral analysis for real-time environmental monitoring.

2025 International Journal of Environmental Sciences 1 citations
Article Tier 2

Deep learning analysis for rapid detection and classification of household plastics based on Raman spectroscopy

Researchers developed a deep learning system that can identify eight common household plastic types using Raman spectroscopy with 97% accuracy. This is faster and more reliable than traditional methods for classifying plastics. Better plastic identification tools like this are important for microplastic research because they allow scientists to quickly determine what types of plastic particles are contaminating environmental and food samples.

2024 Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy 22 citations
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

Deep learning for chemometric analysis of plastic spectral data from infrared and Raman databases

A novel deep learning architecture called PolymerSpectraDecisionNet was trained to identify common recyclable plastics from infrared and Raman spectral databases. The model outperformed conventional chemometric methods for polymer classification and was designed to handle real-world spectral variability relevant to the plastics recycling industry.

2022 Resources Conservation and Recycling 55 citations
Article Tier 2

Quantitative analysis of microplastics in water environments based on Raman spectroscopy and convolutional neural network

Researchers developed a method combining Raman spectroscopy with a convolutional neural network to measure microplastic concentrations in water. The approach achieved high accuracy across six different sizes of polyethylene particles in five real-world water environments, outperforming other machine learning models and offering a practical tool for quantitative microplastic monitoring.

2024 The Science of The Total Environment 31 citations
Article Tier 2

Detection of Microplastics in Freshwater Sediments Based on Raman Spectroscopy and Convolutional Neural Networks

Researchers developed a method combining Raman spectroscopy and convolutional neural networks to detect and classify microplastics in complex freshwater sediment samples, training the CNN on mixed spectra from extracted sediment fractions to improve detection accuracy.

2025 The Journal of Physical Chemistry B
Article Tier 2

Characterization of microplastics in water bottled in different packaging by Raman spectroscopy

Researchers detected and characterized microplastics in bottled water from different packaging types using Raman spectroscopy, confirming that plastic contamination occurs across various commercial water bottle materials.

2023 Environmental Science Water Research & Technology 14 citations
Article Tier 2

Recent Progresses in Machine Learning Assisted Raman Spectroscopy

This review covers how machine learning is being combined with Raman spectroscopy to improve the analysis of complex materials, including environmental samples. Traditional spectral analysis methods struggle with the volume and complexity of modern data, but AI techniques can extract meaningful patterns more efficiently. These advances are directly relevant to microplastic identification, where Raman spectroscopy is a primary detection tool.

2023 Advanced Optical Materials 197 citations
Article Tier 2

Development of representative convolutional neural network based models for microplastic spectral identification

Researchers developed more representative convolutional neural network (CNN) models for microplastic spectral identification by training on expanded spectral databases that include greater diversity of plastic types, aging stages, secondary additives, pigments, and environmental contamination, outperforming library-search methods in classification accuracy and speed.

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

Machine learning assisted Raman spectroscopy: A viable approach for the detection of microplastics

This review covers how machine learning combined with Raman spectroscopy can improve the detection and identification of microplastics in environmental samples. Traditional detection methods are slow and have limitations in resolution and particle size analysis, but AI algorithms can process spectral data more quickly and accurately. Better detection tools are essential for understanding the true scale of microplastic contamination in our water, food, and environment.

2024 Journal of Water Process Engineering 53 citations
Article Tier 2

Integrating Metal–Phenolic Networks-Mediated Separation and Machine Learning-Aided Surface-Enhanced Raman Spectroscopy for Accurate Nanoplastics Quantification and Classification

Researchers combined a metal-based separation technique with machine learning and surface-enhanced Raman spectroscopy to detect and classify nanoplastics in environmental samples. The method achieved high accuracy in identifying different types of nanoplastics at very low concentrations. This approach could make it significantly easier and more reliable to monitor nanoplastic contamination in real-world water and soil samples.

2024 ACS Nano 30 citations
Article Tier 2

Rapid and Nondestructive On-Site Classification Method for Consumer-Grade Plastics Based on Portable NIR Spectrometer and Machine Learning

Researchers used a portable near-infrared spectrometer combined with machine learning to rapidly identify and classify seven types of consumer plastic waste on-site without damaging the samples. Faster and cheaper plastic identification tools are important for improving plastic recycling efficiency and ultimately reducing the amount of plastic that ends up as microplastic pollution.

2020 Journal of Spectroscopy 43 citations
Article Tier 2

Recent advances in the application of machine learning methods to improve identification of the microplastics in environment

This review examined a decade of progress in applying machine learning algorithms to microplastic identification, finding that support vector machines and artificial neural networks significantly improve detection accuracy and efficiency when combined with spectroscopic techniques like FTIR and Raman.

2022 Chemosphere 89 citations
Article Tier 2

Study on Rapid Recognition of Marine Microplastics Based on Raman Spectroscopy

Researchers developed a rapid identification system for marine microplastics using Raman spectroscopy, enabling quick determination of plastic type and size. Fast, accurate identification tools are critical for monitoring the growing problem of microplastic pollution in ocean environments.

2021 Knowledge Repository of Yantai Institute of Coastal Zone Research, CAS (Yantai Institute of Coastal Zone Research) 9 citations
Article Tier 2

Component identification for the SERS spectra of microplastics mixture with convolutional neural network

Researchers developed a convolutional neural network that identified microplastic components in mixed surface-enhanced Raman spectroscopy samples with 99.54% accuracy, outperforming traditional methods without requiring spectral preprocessing.

2023 The Science of The Total Environment 56 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