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Investigation of optical properties of microplastics
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Researchers collected sand from Los Angeles beaches and studied the optical properties of naturally occurring microplastics using a laser-tweezer setup. The resulting database of optical characteristics is intended to help develop tools for detecting microplastics and studying their interactions with ocean microorganisms.
The number of microplastics in aquatic environments is increasing rapidly in recent years and making ocean microplastics one of the major environmental problems. In our research, we focus on the isolation of nature-found microplastics by collecting sand from Los Angeles beaches. Since the optical studies of nature-found microplastics are nontrivial, we generate a standard database by creating and studying different types of irregular-shaped lab-made microplastics using optical tweezer setup. The created database is used to characterize the optical properties of nature-found microplastics. We are planning to apply these results to investigate microplastic interactions with ocean microplankton at a cellular level.
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Researchers used optical and Raman laser tweezers to manipulate and identify individual micro- and nanoplastic particles and cosmic dust grains. The technique can characterize particle composition and fragmentation behavior, offering a powerful new approach for studying how microplastics break down in the ocean.
Investigation of single sea microplastics by optical and Raman tweezers
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Researchers investigated individual seawater microplastic particles using optical and Raman tweezers, applying laser-based trapping techniques to enable contactless manipulation and chemical characterization of single microplastic particles collected directly from the marine environment.
Investigation of single sea microplastics by optical and Raman tweezers
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Researchers investigated individual seawater microplastic particles using optical and Raman tweezers, applying laser-based trapping techniques to enable contactless manipulation and chemical characterization of single microplastic particles collected directly from the marine environment.
Investigation of the Optical Trapping Properties of Microplastics
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This study measured the optical trapping properties of various lab-made microplastics to understand how light interacts with these particles. Optical tweezers can be used to manipulate and study individual microplastic particles, which may improve our ability to characterize plastic pollution at small scales.
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Researchers used laser optical tweezers combined with Raman spectroscopy to trap and identify individual microplastic particles in marine surface water aggregates from coastal Okinawa, Japan. This single-particle chemical identification technique extends our understanding of small microplastic pollution in subtropical ocean waters.
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.