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Optical spectroscopy for the detection of micro- and nanoplastics in water
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This paper reviews optical spectroscopy techniques for detecting and identifying micro- and nanoplastics in water. Researchers present several methods that provide additional analytical dimensions beyond classical approaches for characterizing plastic contaminants.
Optical spectroscopy techniques offer an additional dimension to classical methods for the detection and identification of complex particles in complex environments. We present some of these techniques applied in the frame of the fight against the plague of Micro- and Nano-plastics.
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Researchers studied the optical properties of micro- and nanoplastics and evaluated near-infrared spectroscopy as a detection method for plastic particles in water, finding that optical techniques show promise for rapid, non-destructive identification. Improved optical detection methods could enable faster and more cost-effective monitoring of plastic pollution in aquatic environments.
Detection and Characterisation of Micro- and Nano-plastics in Water using Optical Spectroscopy
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This thesis explored photoluminescence spectroscopy as an alternative technique for detecting and characterizing micro- and nanoplastics in water, optimizing fluorescence excitation-emission features and comparing performance against conventional spectroscopic approaches.
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Researchers measured the inherent optical properties — including absorption and scattering coefficients — of aqueous microplastic suspensions at environmentally relevant concentrations, comparing different polymer types and particle sizes. The optical signatures varied substantially across polymers and sizes, providing reference data for developing optical remote sensing approaches to detect microplastics in surface waters.
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Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.