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Papers
61,005 resultsShowing papers similar to Rapid electrochemical detection of polystyrene microplastics in aquatic environments using a gadolinium-alginate hydrogel-modified electrode
ClearSelective on-site detection and quantification of polystyrene microplastics in water using fluorescence-tagged peptides and electrochemical impedance spectroscopy
Researchers created a portable detection system using fluorescence-tagged peptides and electrochemical sensors to identify polystyrene microplastics in different water types. The method could detect microplastics across a wide size range and in various water conditions, including seawater and tap water. This on-site detection approach could make microplastic monitoring faster and more accessible compared to traditional laboratory methods.
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.
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.
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.
Evaluating the performance of electrocoagulation system in the removal of polystyrene microplastics from water
Researchers tested electrocoagulation, a water treatment method that uses electric current to clump particles together, for removing polystyrene microplastics from water. Using aluminum electrodes at neutral pH, they achieved over 90% removal efficiency. This technology could provide a practical and effective way to remove microplastics from drinking water and wastewater, reducing human exposure to these contaminants.
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.
Electrochemical Capture and Sensing of Polystyrene Nanoplastics
Researchers developed an electrochemical method to capture and detect polystyrene nanoplastics from water using proline-functionalized mesoporous silica thin films on screen-printed gold electrodes. The sensor directly captures particles from water bodies, offering a simpler and cheaper alternative to conventional nanoplastic detection methods.
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.
Self-powered portable photoelectrochemical sensor based on dual-photoelectrode for microplastics detection
Researchers developed a portable, self-powered sensor that can detect polystyrene microplastics in water at concentrations as low as 1 part per billion. The sensor works without batteries by using light energy and maintains over 97% accuracy even when other pollutants are present. Better detection tools like this could help monitor microplastic contamination in drinking water and food systems, which is a key step toward understanding and reducing human exposure.
Detection, quantification, and characterization of polystyrene microplastics and adsorbed bisphenol A contaminant using electroanalytical techniques
Electroanalytical techniques were used to quantify polystyrene microplastics at concentrations down to 0.005 pM and characterize their size range from 0.1 to 10 microns, while also demonstrating that adsorbed polystyrene microplastics concentrate bisphenol A from solution.
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.
Concentration analysis of metal-labeled nanoplastics in different water samples using electrochemistry
Researchers developed a low-cost electrochemical method to quantify polystyrene nanoplastics in water by attaching silver ions to their surfaces, reducing the silver to metal, and measuring the resulting signal via voltammetry, achieving 93–112% recovery rates across nanoplastic sizes in lake water and seawater.
A platform for microplastic assessment in aquatic environments based on the protein corona-induced aggregation effect
Researchers designed a photoelectrochemical sensor that detects polystyrene microplastics in water based on protein corona-induced aggregation effects. The sensor achieved a detection limit of 0.06 micrograms per milliliter with high sensitivity and reproducibility across real water samples. The study presents a practical platform for real-time, in-situ monitoring of microplastic pollution in aquatic environments without requiring large-scale laboratory instruments.
Naturally manufactured biochar materials based sensor electrode for the electrochemical detection of polystyrene microplastics
Researchers made electrode sensors from naturally sourced biochar materials (starfish and aloe vera) that can detect polystyrene nanoplastics in water at very low concentrations. The aloe vera-based sensor was especially sensitive, detecting plastic particles at levels as low as 0.52 nanomolar. Affordable, sensitive detection tools like these are critical for monitoring microplastic contamination in drinking water and other environmental samples.
Effective degradation of polystyrene microplastics by Ti/La/Co-Sb-SnO2 anodes: Enhanced electrocatalytic stability and electrode lifespan
Researchers developed a new electrode that can break down polystyrene microplastics in water through an electrical process called electrocatalytic oxidation. By adding cobalt as an intermediate layer, they significantly extended the electrode's lifespan without sacrificing its ability to degrade microplastics. The study suggests this technology could offer a practical and durable method for removing microplastic pollution from water.
Cost-Effective and Wireless Portable Device for Rapid and Sensitive Quantification of Micro/Nanoplastics
Researchers developed a wireless portable device for rapid quantification of micro- and nanoplastics in water samples, offering a field-deployable alternative to laboratory-based analysis for environmental monitoring.
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.
Highly selective electrochemical impedance spectroscopy-based graphene electrode for rapid detection of microplastics
A graphene electrode derived from petroleum waste was developed and applied as an electrochemical impedance spectroscopy sensor for highly selective detection of microplastics in aquatic samples. The approach offers a sensitive and selective alternative to optical methods for environmental microplastic monitoring.
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.
Borosilicate glass nanopipettes enhanced by synergistic electrostatic interactions and steric hindrance for ultrasensitive electrochemical detection of nanoplastics in environmental water samples
Researchers developed an electrochemical sensor using borosilicate glass nanopipettes enhanced with electrostatic interactions to detect nanoplastics in environmental water samples, achieving ultrasensitive trace-level detection without complex sample pretreatment.
Emerging electrochemical tools for microplastics remediation and sensing
This review examines emerging electrochemical approaches for both detecting and remediating microplastics in the environment, highlighting their advantages over traditional methods and identifying key challenges and opportunities for developing practical electrochemical tools to address microplastic pollution.
Trace analysis of polystyrene microplastics in natural waters
Researchers developed and evaluated analytical methods for trace-level quantification of polystyrene microplastics and nanoplastics in natural water samples, addressing key challenges in sensitivity and accuracy that limit realistic environmental risk assessment.
Comparative Analysis of Electrochemical Oxidation and Biodegradation for Microplastic Removal in Wastewater
Researchers compared electrochemical oxidation and biodegradation for removing polystyrene microplastics from wastewater, finding that electrochemical oxidation achieved superior removal efficiency and could serve as a more effective treatment pathway at wastewater treatment plants.