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Identifying microplastic litter with Laser Induced Breakdown Spectroscopy: A first approach
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Researchers demonstrated that Laser Induced Breakdown Spectroscopy (LIBS) can identify microplastic particles by their spectral fingerprints, offering a first approach to a rapid analytical technique for distinguishing plastic litter types.
The broad diversity of microplastic litter requires a selection of analytical techniques to reliably determine the particle's chemical composition. This study demonstrates that Laser Induced Breakdown Spectroscopy (LIBS) can identify microplastic particles based on their spectral fingerprints. By studying the spectral features of polymer reference spectra, microplastic litter can be distinguished from non-plastic materials. The results show that LIBS can be used as a fast in-situ technique for pre-characterization of the microparticle's material and is a possible tool for environmental studies on microplastics.
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Methodological approach based on LIBS imaging for the identification of microplastics in the environment. A case study for water samples
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Researchers developed a laser-induced breakdown spectroscopy imaging methodology for detecting and identifying microplastics in water samples, constructing spectral images from emission lines of different elemental markers to enable sensitive analytical detection.
Laser ablation-based techniques for microplastic analysis: recent advances and applications
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This review evaluates two laser-based analytical techniques for detecting and characterizing microplastics: laser-induced breakdown spectroscopy (LIBS) and laser ablation mass spectrometry (LA-ICP-MS). Researchers found that both methods offer spatially resolved elemental analysis that can complement traditional polymer identification approaches. The study advocates combining these techniques for a more complete picture of microplastic composition and the toxic contaminants they carry.
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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.
Rapid Identification of Beached Marine Plastics Pellets Using Laser-Induced Breakdown Spectroscopy: A Promising Tool for the Quantification of Coastal Pollution
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Researchers applied laser-induced breakdown spectroscopy combined with chemometric analysis to rapidly identify and classify beached plastic pellets by polymer type, achieving over 80% accuracy and demonstrating its potential as a fast, field-deployable tool for coastal pollution monitoring.
Laser-based spectroscopic techniques: A novel approach for distinguishing aging processes and types of microplastics
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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.
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