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Raman Tweezers for single nanoplastic particles analysis in liquid environment
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This study demonstrated using Raman Tweezers - combining optical tweezers with Raman spectroscopy - to detect and chemically identify individual nanoplastic particles and tire rubber fragments dispersed in water. The approach enables single-particle analysis of nanoscale plastic contaminants.
We report on the use of Raman Tweezers, a combination of Optical Tweezers and Raman Spectroscopy, for the detection and chemical identification of nanometric particles of plastics and car tires fragments dispersed in water, at the single particle level.
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Raman Tweezers for micro and nanoplastics analysis in watery ecosystems
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Raman Tweezers — instruments that combine laser trapping with Raman spectroscopy — were demonstrated as a powerful tool for identifying individual micro- and nanoplastic particles in water samples without physical contact. The technique can measure both the size and chemical composition of particles as small as nanometers, addressing a major gap in detection capabilities for nanoplastics. This analytical advance could enable more sensitive monitoring of the smallest plastic particles in aquatic environments.
Raman Tweezers as a Tool for Small Microplastics and Nanoplastics Identification in Sea Water
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This methods paper describes the use of Raman optical tweezers — which use laser beams to trap and analyze individual particles — for identifying small microplastics and nanoplastics. The technique offers single-particle chemical identification without the need for extensive sample preparation, making it valuable for detecting the smallest and hardest-to-measure plastic particles.
Raman Tweezers for Small Microplastics and Nanoplastics Identification in Seawater
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Researchers used Raman tweezers - optical tweezers combined with Raman spectroscopy - to capture and chemically identify individual small microplastic and nanoplastic particles in seawater samples in situ. This novel technique could enable real-time identification of the smallest plastic particles in marine environments, filling a critical gap in nano- and micro-plastic detection.
Trapping and chemical characterization of sub-microplastics using Raman optical tweezers with machine learning
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Researchers combined optical tweezers Raman spectroscopy with machine learning-driven PCA to identify and classify individual sub-micron plastic particles (PE, PP, PS) from environmental matrices. By analyzing 35 Raman spectra, the platform demonstrated accurate single-particle identification without complex sample preparation.
Raman Tweezers for Tire and Road Wear Micro- and Nanoparticles analysis
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Researchers used Raman tweezers — optical trapping combined with spectroscopy — to analyze tire and road wear particles, which are a major but difficult-to-characterize category of microplastic pollution. The technique can identify individual sub-millimeter rubber particles without the interference that makes standard FTIR analysis difficult.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.