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Papers
61,005 resultsShowing papers similar to Droplet-based Opto-microfluidic Device for Microplastic Sensing in Aqueous Solutions
ClearOptofluidic light-droplet interaction for rapidly assessing the presence of plastic microspheres within aqueous suspensions
Researchers developed an optofluidic system that uses light-droplet interactions to rapidly detect the presence of plastic microspheres in water. The study demonstrates a new sensing methodology that could enable faster and more practical screening for microplastic contamination in aquatic environments.
Optofluidic light-droplet interaction for rapidly assessing the presence of plastic microspheres within aqueous suspensions
Scientists created a new device that can quickly detect tiny plastic particles (called microplastics) in water by shining light through water droplets and measuring changes in brightness. The device can spot extremely small amounts of plastic pollution - as little as 0.13 milligrams per gram of water. This technology could help us better monitor plastic contamination in our drinking water and environment, which is important since these tiny plastics can harm both ecosystems and human health.
Optofluidic light-droplet interaction for rapidly assessing the presence of plastic microspheres within aqueous suspensions
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.
Microfluidic Detection and Analysis of Microplastics Using Surface Nanodroplets
Researchers developed a microfluidic device that uses tiny surface droplets to capture and analyze microplastics as small as 10 micrometers from water samples. The captured particles can be examined under a microscope and identified by type using Raman spectroscopy without removing them from the device. The method offers a simpler, faster, and more affordable way to detect small microplastics compared to conventional filtration techniques.
Portable On-Site Optical Detection and Quantification of Microplastics
Researchers built a portable, on-site optical device to detect and quantify microplastics in water. The device addresses the challenge of detecting small, often translucent particles without a laboratory setting. Portable microplastic detection tools could enable real-time monitoring in the field, supporting faster environmental assessments.
Machine learning-integrated droplet microfluidic system for accurate quantification and classification of microplastics
Scientists developed a new microplastic detection system that combines tiny droplet-based testing with machine learning to quickly identify and classify microplastic particles. This portable system can accurately detect microplastics on-site without expensive lab equipment, which could make widespread environmental and food safety monitoring much more practical.
Optical System for In-situ Detection of Microplastics
Researchers developed a portable optical system capable of detecting, identifying, continuously monitoring, and quantifying microplastics in situ at natural water bodies. The system uses optical techniques to observe the temporal behavior of microplastic concentrations at fixed locations, enabling real-time environmental monitoring without sample collection and laboratory processing.
A Droplet-Based Microfluidic Impedance Flow Cytometer for Detection of Micropollutants in Water
A droplet-based microfluidic impedance cytometer was designed and tested for in-situ detection of microplastic particles in water, offering a portable and rapid alternative to laboratory-based analytical methods.
A prototype of a portable optical sensor for the detection of transparent and translucent microplastics in freshwater
Researchers developed a portable prototype optical sensor capable of detecting transparent and translucent microplastics in freshwater by simultaneously measuring specular laser light reflection and transmission, offering a feasibility pathway for field-deployable microplastic monitoring.
Towards online monitoring of water pollutants: an optofluidic chip for characterizing microplastics in water
Researchers developed a miniaturized, low-cost optofluidic chip for online monitoring and characterization of microplastics in drinking water, enabling real-time detection without sample pre-concentration. The smart chip design integrated optical and microfluidic components to identify and size microplastic particles, demonstrating feasibility for continuous water quality surveillance.
On optical sensing of surface roughness of flat and curved microplastics in water
Researchers developed and tested an optical sensor prototype capable of detecting microplastic particles of different shapes and surface textures in water by measuring light reflection patterns. The sensor offers a potential path to faster, in-situ microplastic detection without requiring chemical analysis.
Microfluidics-based electrophoretic capture and Raman analysis of micro/nanoplastics
Researchers developed a microfluidics-based electrophoretic capture system combined with Raman spectroscopy analysis to detect and characterize micro- and nanoplastics from aquatic ecosystems, exploiting differences in polymer composition to improve identification accuracy.
On-Chip Volume Refractometry and Optical Binding of Nanoplastics Colloids in a Stable Optofluidic Fabry–Pérot Microresonator
Researchers developed a miniaturized on-chip sensor using a Fabry-Perot microresonator to detect and analyze nanoplastic particles in liquid samples. The device uses changes in light refraction to measure the concentration of nanoplastic colloids and can even optically trap particles for closer study. This approach offers a potential lab-on-a-chip tool for rapid, sensitive detection of nanoplastics in environmental samples.
A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy
Researchers integrated a microfluidic chip with Raman and infrared spectroscopy to rapidly identify and characterize microplastics in drinking water, reducing analysis time compared to conventional methods.
In-situ Detection Method for Microplastics in Water by Polarized Light Scattering
Researchers developed an in-situ detection method for microplastics in water using polarized light scattering at 120 degrees, enabling real-time measurement of individual particles without sample collection or laboratory processing.
A Portable Optical Sensor for Microplastic Detection: Development and Calibration
Researchers built a portable, low-cost optical sensor prototype designed to detect microplastics by shining multiple wavelengths of light through water samples. The device measures how different plastic particles absorb and scatter light, producing color spectra that can help identify microplastics. The sensor offers an affordable field-deployable option for environmental monitoring, with potential future improvements using machine learning for automated identification.
Detection of microplastics by microfluidic microwave sensing: An exploratory study
Researchers developed a compact microwave sensor on a microfluidic chip to detect microplastics in water samples. The system works by measuring how the presence of plastic particles changes the electrical properties of water. While the technology shows promise as a rapid and portable detection method, its current sensitivity needs improvement before it can detect the low microplastic concentrations typically found in natural freshwater.
Microfluidic Sensors for Micropollutant Detection in Environmental Matrices: Recent Advances and Prospects
This review covers advances in tiny sensor devices called microfluidic sensors that can detect trace amounts of pollutants including microplastics in water and environmental samples. Better detection tools matter for human health because they enable faster, more accurate monitoring of microplastic contamination in drinking water and food sources.
Outlook on optical identification of micro- and nanoplastics in aquatic environments
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.
Revolutionizing microplastic detection in water through quantum dot fluorescence
Researchers developed a quantum dot fluorescence-based detection system for microplastics in water, achieving sensitive and rapid identification of multiple polymer types with lower detection limits and faster analysis times than conventional spectroscopic methods.
Rapid, sensitive, and non-destructive on-site quantitative detection of nanoplastics in aquatic environments using laser-backscattered fiber-embedded optofluidic chip
Researchers built a laser-backscattered optofluidic chip that rapidly and non-destructively detects and quantifies multiple nanoplastic polymer types in aquatic samples down to 0.23 µg/mL, validated across real-world water environments with high reproducibility.
Real-time microplastic detection using polarization digital holographic microscope
Researchers developed a real-time microplastic detection system using a polarization digital holographic microscope, enabling identification and characterization of MP particles in water based on their optical properties without the need for chemical staining or extensive sample preparation.
Microplastic identification in marine environments: A low-cost and effective approach based on transmitted light measurements
Researchers designed a low-cost microplastic detection system using a standard LCD panel and a digital USB microscope to measure transmitted light through seawater samples. The compact system demonstrated effective detection and quantification of microplastics without the need for expensive laboratory instrumentation.
Detection of Microplastics in Water and Ice
Researchers explored optical detection methods for identifying microplastics floating on water surfaces or trapped in ice, taking advantage of the unique light-reflecting properties of different plastic types. Advances in optical detection are important for developing faster, non-destructive tools for monitoring microplastic pollution.