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Light-Programmable Nanograspers for Rapid Nanoplastics Detection in Biological Fluids
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Scientists developed a new tool that can quickly detect tiny plastic particles (nanoplastics) in blood and other body fluids using special light-controlled "nanograspers" that grab and identify the particles. This matters because nanoplastics from pollution can get into our bodies, but until now it was very hard to find and measure them in blood samples. The new method could help doctors and researchers better understand how plastic pollution affects human health.
Rapid and reliable detection of nanoplastics and other analytes in complex biological and environmental media is very important for public health management and environment protection but there is still a lack of effective methods. Here, we report optoelectronic-tweezer-assisted nanograspers (OET-NGP), a reconfigurable trapping system that dynamically assembles metallic nanoparticles into light-programmable grasping structures. This approach enables not only rapid analyte enrichment but also the formation of highly uniform hotspots with improved Surface-Enhanced Raman scattering (SERS) reproducibility, achieving a detection limit as low as 4.43 × 10-8 M for Rhodamine B. More importantly, the OET-NGP platform enables in situ capture and SERS detection of nanoplastics at μg/mL level in both aqueous media and serum. These results highlight the capability and great promise of OET-NGP as a powerful sensing tool for effective nanoplastic detection with great potential for environmental monitoring and biosafety assessment.
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Bifunctional nanoprobes for improved biological tracking of nanoplastics
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Scientists have created a new tool that both lights up and precisely measures tiny plastic particles inside living things, tested on cells and even zebrafish offspring. This matters because it helps researchers track exactly how much nanoplastic gets into bodies and where it travels, a key step toward understanding how these particles might affect our health.
An aptamer-guided flow-cytometric biosensor for simultaneous sizing and polymer identification of nanoplastics
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Scientists have developed a new tool that can detect tiny plastic particles, down to just 100 nanometers, far smaller than a human hair, and identify exactly what type of plastic they are, all in a single fast test. This matters because as nanoplastics show up more in our water and environment, having a reliable way to measure and classify them is a key first step toward understanding how much we're exposed to and what health risks they might pose.
Development of a Dye-Binding Method for Nanoplastics Detection in Water and Snow Samples using Capillary Electrophoresis with Laser Induced Fluorescence
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Scientists developed a fast, sensitive test that uses glowing dyes to detect tiny plastic particles (nanoplastics) in water, particles so small that older methods often miss them. This matters because nanoplastics may pose health risks we're still working to understand, and better detection tools help us track contamination in drinking water and evaluate cleanup methods. In fact, the researchers also tested a simple protein (casein) that removed 94% of nanoplastics from water, offering a promising step toward practical solutions.
IntegratedSERS and Machine Learning Workflow forNanoplastic Detection on a Plasmonic Membrane
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Scientists have developed a new tool that combines a special light-based sensor with artificial intelligence to detect tiny plastic particles (nanoplastics) in water quickly and accurately—catching amounts as small as 0.02 micrograms per milliliter. This matters because nanoplastics are increasingly found in our water and food, and being able to easily and reliably test for them is a key step toward understanding and eventually reducing our exposure to these potentially harmful particles.
Optofluidic light-droplet interaction for rapidly assessing the presence of plastic microspheres within aqueous suspensions
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Scientists developed a new device that can quickly detect tiny plastic particles (called microplastics) in water by shining light through water droplets and measuring how much light gets blocked. The device can spot extremely small amounts of plastic pollution - even particles smaller than the width of a human hair. This technology could help us better monitor plastic contamination in drinking water and the environment, which is important since these tiny plastics can harm both ecosystems and human health.
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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.