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Papers
20 resultsShowing papers similar to Simple microfluidic device for simultaneous extraction and detection of microplastics in water using DC electrical signal
ClearFocusing, sorting, and separating microplastics by serial faradaic ion concentration polarization
Researchers demonstrated a microfluidic technique that uses electric fields to continuously separate two types of microplastic particles in flowing water. This lab-on-chip approach could be developed into tools for monitoring or removing specific microplastic types from water treatment systems.
Filtering and continuously separating microplastics from water using electric field gradients formed electrochemically in the absence of buffer
Scientists developed a microfluidic system that uses electric fields to continuously separate particles — including microplastics — from water flow without chemical additives. Electric field-based separation could offer a low-energy, chemical-free approach to removing microplastics from water streams.
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.
Design and Testing of 3D-Printed Microfluidic Devices for Microplastic Monitoring
Researchers designed and tested a stereolithography 3D-printed microfluidic device with impedance spectroscopy electrodes for detecting microplastic particles in drinking water, demonstrating a low-cost fabrication approach for continuous microplastic monitoring systems.
DC Versus AC Electrokinetic-Driven Strategy Coupled with a Miniaturized Electrochemical-SERS Hydrogel Chip toward Dynamic Monitoring of Microplastics
DC versus AC electrokinetic strategies coupled with microfluidic devices were compared for separating and concentrating microplastics from water samples. The study advances electrokinetic methods as efficient tools for microplastic extraction and preconcentration ahead of analysis.
Microplastic separation and enrichment in microchannels under derivative electric field gradient by bipolar electrode reactions
Researchers used microfluidic channels equipped with bipolar electrodes to create electric field gradients that efficiently separate and concentrate microplastic particles from water at the microscale. Computer simulations optimized the channel design and voltage settings, offering a potential precision tool for removing microplastics from aquatic environments.
Microplastic in situ detection based on a portable triboelectric microfluidic sensor
Researchers developed a portable triboelectric microfluidic sensor that detects microplastics in water by measuring electrical charges generated as particles flow through a microchannel, demonstrating linear response to polystyrene particle size and concentration for field-deployable environmental monitoring.
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 microfluidic approach for label-free identification of small-sized microplastics in seawater
Researchers developed a microfluidic approach for label-free identification of small microplastics in seawater, using impedance-based detection to distinguish different polymer types without chemical labeling, enabling faster and more practical environmental monitoring.
Electrochemical Detection of Microplastics in Water Using Ultramicroelectrodes
Researchers developed a new electrochemical method for detecting microplastics in water using ultramicroelectrodes. The technique works by monitoring changes in electrical current when microplastic particles collide with and adsorb onto the electrode surface, and the size distributions obtained closely matched independent measurements, demonstrating its potential as a practical detection tool.
Microfluidic Devices for Microplastics Separation and Identification
This thesis explored the application of low-cost microfluidic devices for separating and identifying microplastics in water and biological samples, developing novel analytical platforms with potential for scalable environmental monitoring and detection of plastic particles.
Development of microfluidic device to monitor the contamination in drinking water using impedance spectroscopy
Researchers developed a microfluidic device using electrical impedance spectroscopy to detect and monitor microplastic particles in drinking water. The device aimed to provide a real-time, sensitive method for MP contamination monitoring at the point of use.
Innovative prototype for the mitigation of water pollution from microplastics to safeguard the environment and health
Researchers developed an innovative prototype device for removing microplastics from water through a combination of filtration and electrocoagulation, demonstrating high MP removal efficiency from both synthetic and real water samples in controlled trials.
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.
Preconcentration of nanoplastics using micro-electromembrane extraction across free liquid membranes
Researchers developed a miniaturized electrical extraction technique that concentrates nanoplastics from liquid samples across a thin oil membrane using an electric field, then analyzes them using capillary electrophoresis. The method achieved over 20-fold concentration of nanoplastics in just 5 minutes and successfully removed interfering compounds from tea samples, offering a fast and sensitive tool for detecting nanoplastics in complex real-world liquids.
A new approach in separating microplastics from environmental samples based on their electrostatic behavior
Researchers developed a novel electrostatic separation method to isolate microplastics from environmental matrices based on differences in electrostatic behavior between plastic particles and natural materials. The technique offers a low-cost, chemical-free approach to microplastic extraction that could complement or replace existing density separation methods in some applications.
Detection of Microplastic Waste by Using a Novel Microfluidic System with an Integrated Object Tracking Algorithm
Researchers developed a novel microfluidic system integrated with an object tracking algorithm to detect and distinguish microplastics from other materials in water, using multiple microchannel designs fabricated from PDMS microchips. The system demonstrated the ability to observe microplastic flow and deformation behaviour within microchannels, providing a new platform for automated microplastic detection and characterization.
A microfluidic device for size-based microplastics and microalgae separation
Researchers designed a microfluidic device that separates microplastics and microalgae by size using controlled flow patterns. The device could be used to isolate microplastics from complex environmental water samples containing biological material, improving the accuracy of microplastic monitoring.
Electrochemical Detection of Microplastics in Aqueous Media
Researchers demonstrated that microplastics in water can be detected electrochemically by counting oxygen reduction events when plastic particles collide with a carbon microwire electrode, finding a linear relationship between particle concentration and collision frequency.
Microplastics Detection with Microfluidic Near-Field Microwave Sensors
A new microfluidic sensor integrating a microwave detector was developed that can identify microplastics in water in real time without labelling, by measuring how particles change the dielectric properties of the water flowing through the device. This kind of low-cost, continuous-monitoring sensor could make routine environmental surveillance for microplastic contamination more practical.