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Papers
20 resultsShowing papers similar to DC Versus ACElectrokinetic-Driven Strategy Coupledwith a Miniaturized Electrochemical-SERS Hydrogel Chip toward DynamicMonitoring of Microplastics
ClearDC 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.
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.
Rapid electrochemical detection of polystyrene microplastics in aquatic environments using a gadolinium-alginate hydrogel-modified electrode
Researchers developed a rapid electrochemical sensor for detecting polystyrene microplastics in water using a glassy carbon electrode modified with gadolinium-alginate hydrogel beads. The sensor enabled quick and reliable detection of trace-level microplastic contamination in aquatic environments, offering a portable and practical alternative to conventional laboratory-based identification methods.
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.
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.
Plasmonic Coacervate as a Droplet-Based SERS Platform for Rapid Enrichment and Microanalysis of Hydrophobic Payloads
Researchers developed a coacervate microdroplet platform incorporating silver nanoparticles as a surface-enhanced Raman scattering (SERS) substrate for detecting and quantifying trace hydrophobic contaminants, including those associated with microplastics. The platform demonstrated effective enrichment and sensitive detection of hydrophobic analytes, offering a droplet-based approach for microplastic-associated pollutant analysis.
A simple and rapid preparation of Au-Ag alloy nanourchins flexible membrane for ultrasensitive SERS detection of microplastics in water environment
Researchers fabricated flexible gold-silver alloy nanourchins on a membrane substrate and demonstrated their use as a SERS sensor for rapid, sensitive detection of microplastics in water, achieving detection of multiple polymer types at low concentrations without complex sample preparation.
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.
Electrochemical approaches for detecting micro and nano-plastics in different environmental matrices
This review evaluates electrochemical sensor technologies as alternatives to conventional spectroscopy methods for detecting micro- and nanoplastics in environmental samples. Researchers found that electrochemical approaches offer advantages in cost, portability, and speed, making them better suited for widespread field monitoring. The study identifies key technical challenges that need to be resolved before these sensors can be broadly adopted for routine environmental surveillance.
Recent advances in the detection of microplastics in the aqueous environment by electrochemical sensors: A review
This review surveys recent advances in using electrochemical sensors to detect microplastics in water environments. Researchers evaluated sensors made from carbon materials, metals, biomass materials, and microfluidic chips, comparing their detection capabilities and practical advantages like low cost and high sensitivity. The study highlights electrochemical sensing as a promising approach for real-time, on-site monitoring of microplastic contamination in waterways.
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.
An Electrochemical Biosensing Approach for Detection of Microplastic Beads
Researchers developed an electrochemical enzyme-based biosensor to detect microplastic beads across a range of sizes in water, providing a simpler and lower-cost detection approach than conventional spectroscopic methods for environmental and public health monitoring.
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.
A novel real-time detection SERS method for rapid detection of marine nanoplastics via size-dependent combination analysis of Au@Ag-Polystyrene
Researchers developed a real-time SERS detection method using silver-coated gold nanoparticles (Au@Ag) to rapidly detect nanoplastics in marine conditions, demonstrating that particle diameter significantly enhances SERS performance and enabling low-concentration nanoplastic detection directly in seawater solution.
Ultrasensitive SERS detection and efficient flotation removal of nanoplastics from water using bubble-spouting micromotor swarms
Researchers developed magnetic Ag/Co micromotors that spout microbubbles and used them to simultaneously detect nanoplastics via surface-enhanced Raman spectroscopy and remove them from large water volumes through bubble-assisted flotation, demonstrating a new integrated approach for nanoplastic remediation.
Flexible, Transparent, and Microfluidic-Compatible Wafer-Scale Metamaterial Sheets for Dual SEF and SERS Sensing
A flexible, transparent, and microfluidic-compatible sensor fabricated at the wafer scale was developed for detecting particles in water, with applications for microplastic detection. The device advances miniaturized, on-chip analysis of microplastics suitable for integration into portable monitoring tools.
Plasmonic filter paper for microplastic detection: SERS enhancement, size dependence, and quantitative limitations
Researchers fabricated SERS-active gold-coated filter paper substrates and evaluated their performance for detecting microplastics, finding that SERS signal strength depends significantly on particle size and that the technique has inherent limitations for quantitative analysis of microplastic concentrations.
Breaking theSize Barrier: SERS-Based UltrasensitiveDetection and Quantification of Polystyrene Plastics in Real WaterSamples
Researchers introduced a SERS-based detection platform capable of identifying and quantifying polystyrene plastic particles of diverse sizes in real water samples with ultrasensitive detection limits, offering a practical tool for environmental microplastic monitoring.
Emerging electrochemical techniques for identifying and removing micro/nanoplastics in urban waters
This review examines emerging electrochemical techniques for detecting and removing micro- and nanoplastics from urban waters, highlighting their advantages over conventional methods for enabling real-time monitoring and efficient degradation.
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.