We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Influence of electrode reactions on electroosmotic flow and ion transport in a microchannel
ClearMicroplastic 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.
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.
Mathematical Modeling of Transport Phenomena in Electroosmotic Fluid Flow for Heat and Mass Transfer of Microplastics in a Renewable Energy-Powered Filtration System
Researchers developed a mathematical model for the transport of microplastic particles in an electroosmotic filtration system powered by renewable energy. The model incorporates fluid dynamics, electrokinetics, and thermal gradients to predict microplastic behavior in microchannel filtration. The study provides insights into optimizing microplastic separation efficiency under varying electric field intensities and temperature conditions.
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.
Microfluidic system for efficient molecular delivery to artificial cell membranes
A novel microfluidic chip design was developed that forms stable lipid bilayer membranes and allows buffer replacement without membrane disruption, enabling precise study of drug-membrane interactions at the cell scale—advancing in vitro platforms for pharmaceutical screening.
Ion concentration polarization focusing at a millimeter-scale microbead junction: towards higher volumetric throughput
Despite its title referencing microbeads ("microbead junction" in the abstract refers to ion-exchange resin beads used in electrochemistry), this paper studies a technique for concentrating charged molecules in solution using electrical fields — not microplastic pollution. It examines electrokinetic focusing performance at different channel scales, and is not relevant to microplastics or human health.
Environmental Fate Modeling of Nanoplastics in a Salinity Gradient Using a Lab-on-a-Chip: Where Does the Nanoscale Fraction of Plastic Debris Accumulate?
Researchers used a lab-on-a-chip approach to model how salinity gradients found in mangrove swamp environments influence nanoplastic flow, diffusion, and aggregation pathways, finding that salinity transitions significantly affect where the nanoscale fraction of plastic debris accumulates.
Biochip with multi-planar electrodes geometry for differentiation of non-spherical bioparticles in a microchannel
Researchers developed a biochip with multi-planar electrode geometry that can differentiate non-spherical particles such as bacterial cells and microplastics flowing through a microchannel based on their distinct electrical signatures. COMSOL simulations and experimental validation confirmed the design's ability to distinguish particles by morphology.
Focusing, 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.
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.
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.
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.
Nanoplastic/metal interaction under flow conditions: an innovative coupling of microfluidic and spectrometry.
Researchers developed an innovative coupling of microfluidic systems with spectrometry to study nanoplastic and trace metal interactions under controlled flow conditions, examining how oxygenated surface functional groups on degraded plastic particles influence metal speciation and transport in aquatic matrices. The study demonstrated that nanoplastics with carboxylic surface groups formed under environmental degradation conditions can significantly alter trace metal behaviour, with implications for combined toxicity and metal cycling in natural waters.
Nanoplastic/metal interaction under flow conditions: an innovative coupling of microfluidic and spectrometry.
Researchers developed an innovative microfluidic-spectrometry coupling to study nanoplastic interactions with trace metals under flow conditions, investigating how oxidized surface functional groups on nanoplastics influence metal speciation and transport in natural aquatic matrices.
Lab-on-a-chip technologies for food safety, processing, and packaging applications: a review
Researchers reviewed lab-on-a-chip microfluidic devices for food safety applications, comparing electrochemical, optical, and biological detection methods for pathogens and contaminants, and highlighting their potential for food processing, nutraceutical development, and smart packaging — though noting most systems are not yet commercially scaled.
Hotspots and trends of electrochemical biosensor technology: a bibliometric analysis from 2003 to 2023
This bibliometric analysis of electrochemical biosensor research from 2003 to 2022 identifies key publication hotspots, emerging research themes, and influential contributors, providing a structured overview of how this sensing technology has evolved over two decades.
Ionic Diffusiophoresis of Active Colloids via Galvanic Exchange Reactions
This study investigates ionic diffusiophoresis of active colloids that undergo galvanic exchange reactions, exploring how chemical gradients drive directed particle motion in electrolyte solutions; the work is relevant to nano-scale transport physics rather than microplastic ecology.
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.
Rapid Microfluidic Electrochemical Sensor for the Detection of Heavy Metal Ions in Water Sample
This paper reviews the development of a microfluidic electrochemical sensor for detecting toxic heavy metal ions in water samples. Human activities including mining, industrial waste, and improper disposal of microplastics in water bodies release heavy metals that pose serious health risks. The sensor offers a rapid, low-cost alternative to laboratory analysis for monitoring water quality.
Microfluidic Sensor for Microplastic Detection in Saline Freshwater: Enhancements by Wheatstone Bridge and MXene-Coated Electrodes
Researchers developed a microfluidic sensor combining a Wheatstone bridge circuit and MXene-coated microwire electrodes to detect microplastics in saline freshwater, achieving a three-fold improvement in sensor response compared to unenhanced designs. The Wheatstone bridge improved signal stability by detecting minute resistance changes while MXene coatings enhanced particle capture efficiency, addressing the critical problem of reduced sensor performance in high ionic-strength environments.
Design, fabrication, and application of electrochemical sensors for microplastic detection: a state-of-the-art review and future perspectives
This review covers recent advances in electrochemical sensors for detecting microplastics in environmental samples, which offer advantages in sensitivity and portability over conventional laboratory methods. Researchers highlight strategies using nanomaterials, molecular imprinting, and surface-enhanced techniques to improve detection capabilities. The study suggests that electrochemical sensors represent a promising path toward affordable, rapid, on-site monitoring of microplastic pollution.
Current perspectives, challenges, and future directions in the electrochemical detection of microplastics
This review examines the emerging use of electrochemical sensors for detecting microplastics in the environment. Researchers found that while electrochemical methods have been widely explored for microplastic removal, their potential as low-cost detection tools remains largely untapped. The study highlights recent advances in nanoimpact techniques and electrode modifications that could make environmental microplastic monitoring more practical and affordable.
Experimental Investigation of Microparticle Focusing in SiO2 Nanofluids Inside Curvilinear Microchannels
Researchers studied how microparticles move and concentrate inside curved microchannels filled with silicon dioxide nanofluids. The findings could improve the design of microfluidic devices used for separating particles, including potential applications in detecting nanoplastics.
Modeling the Formation of Gas Bubbles inside the Pores of Reactive Electrochemical Membranes in the Process of the Anodic Oxidation of Organic Compounds
Researchers modeled gas bubble formation inside reactive electrochemical membranes used for treating organic contaminants in water. Advanced electrochemical water treatment technologies like these could play a role in removing microplastics and chemical pollutants from wastewater before discharge.