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Papers
61,005 resultsShowing papers similar to Ion concentration polarization focusing at a millimeter-scale microbead junction: towards higher volumetric throughput
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.
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.
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.
Separation and trapping of nanoparticles using pressure-driven flow and electrokinetic transport in micro- and nanochannels
Researchers investigated the separation and trapping of nanoparticles in micro- and nanochannels using combined pressure-driven flow and electrokinetic transport, exploring these techniques as potential methods for detecting and recovering nanoplastics dispersed in aquatic environments.
Removal of Microbeads from Wastewater Using Electrocoagulation
Researchers tested electrocoagulation as a method for removing microbeads from wastewater, finding it effectively reduced microbead concentrations and offering it as a promising complement to conventional wastewater treatment technologies.
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.
Review: Impact of microfluidic cell and particle separation techniques on microplastic removal strategies
Researchers reviewed how microfluidic technology — the same miniaturized tools used in medical diagnostics to sort cells — could be adapted to separate and recover microplastics from water, offering a more precise and scalable alternative to conventional filtration methods used in wastewater treatment.
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.
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.
Utilizing Electrosorption for Efficient Removal of Polyethylene Microplastics from Water: Critical Factors and Mechanistic Insights
Researchers developed an electrosorption method using graphite felt electrodes to remove tiny polyethylene microplastics from water. By optimizing voltage, flow rate, and salt concentration, they achieved a removal efficiency of nearly 97%. The study lays groundwork for a scalable technology that could help capture microplastics that slip through conventional wastewater treatment systems.
Analysis of The Effect of Aluminum Electrode Geometry on The Removal of Polyethylene Microbeads Using The Electrocoagulation Method in Greywater
Researchers developed and tested a cylindrical electrode geometry design for electrocoagulation to remove polyethylene microbeads from greywater, examining how aluminum electrode geometry affects removal efficiency of the small, low-density microbeads that pass through conventional wastewater treatment.
Utilizing Electrosorptionfor Efficient Removal ofPolyethylene Microplastics from Water: Critical Factors and MechanisticInsights
An electrosorption method was developed to remove polyethylene microplastics from wastewater, demonstrating improved removal efficiency compared to conventional treatment, especially for smaller particles that typically escape standard wastewater treatment plants.
A membrane cascade for size-based separation and concentration of nanoplastics in environmental waters
Researchers developed a cascade system of membrane filters that can separate and concentrate nanoplastics from environmental water samples by size. They demonstrated that the system effectively isolates nanoplastic particles while tracking recovery rates using fluorescent markers. The technology addresses a major challenge in nanoplastic research by providing a reliable method to extract these extremely small particles from water for accurate measurement and analysis.
Removal of Microplastics from Wastewater by Methods of Electrocoagulation and Adsorption
This review examines electrocoagulation and adsorption methods for removing microplastics from wastewater, comparing them against conventional physical, chemical, and biological approaches in terms of removal efficiency, cost, and practical scalability.
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.
High-throughput enrichment of micro-nanoplastic using inertial microfluidics
Researchers developed a high-throughput microfluidic enrichment method using inertial microfluidics for concentrating micro- and nanoplastics from water samples, demonstrating this passive particle manipulation technique as an efficient approach for pre-concentrating plastic particles prior to analysis.
Performance of Electrified MXene Membranes in Real Wastewater Applications
Researchers investigated the performance of electrified MXene-based membranes for nanoplastic removal from real wastewater, finding that applying an electric field significantly improved nanoplastic rejection through electrostatic repulsion and electrocoagulation mechanisms while also increasing water flux compared to non-electrified conditions.
Electrochemically generated ion depletion zones for continuous separations in microelectrochemical devices
Researchers developed an electrochemical microfluidic device that uses ion depletion zones to separate chemical mixtures with lower energy consumption than conventional techniques. While focused on chemical separation technology, this type of device has potential applications in environmental sample analysis including microplastic detection.
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.
Environmental aspects of restoring the environment: nanotechnology for removing micro and nanoplastics from water
Researchers developed a plasma chemical water purification method that combines modified humic substances with high-voltage electrical discharge to aggregate and magnetically remove micro- and nanoplastics from contaminated water. Tested on wastewater from a printing facility, the method outperformed conventional sorption or plasma treatment alone and showed promise for simultaneously removing plastics, heavy metals, and organic pollutants. This offers a potentially scalable technology for treating industrial wastewater sources that are currently releasing nanoplastics to the environment.
Modelling of Diffusiophoretic Motion for Microplastic Filtration in Microchannel Flows.
Researchers developed microchannel designs that harness diffusiophoresis -- particle motion driven by electrolyte solute gradients in a cross-flow orientation -- to filter micrometer-sized particles such as microplastics from water. The modeling study demonstrates the potential of this mechanism to enable low-cost, decentralized water filtration without energy-intensive pressure-driven systems.
Not all microplastics are created equal. Quantifying efficacy bias and validation of density separation methods
Researchers evaluated and validated density separation methods for extracting microplastics from environmental matrices, quantifying efficacy bias across different polymer types with varying densities. They found that recovery rates differ substantially depending on polymer density relative to the separation solution, introducing systematic bias in microplastic concentration estimates across studies.
Multiplexed and Membraneless Redox‐Mediated Electrochemical Separations Through Bipolar Electrochemistry
This electrochemistry paper presents a multiplexed, membraneless redox-mediated electrochemical separation system; it involves advanced materials science but is not directly related to microplastic environmental health research.
Title Perniciousness of microplastics in the ocean and electrocoagulation in microplastic removal in effluent treatmentprocess.
This report reviews the environmental harm of ocean microplastics and evaluates electrocoagulation as a wastewater treatment technology for microplastic removal, examining its dissolution, coagulation, and flocculation mechanisms and the factors affecting its efficiency.