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Papers
20 resultsShowing papers similar to Electron exchange capacity of pyrogenic dissolved organic matter (pyDOM): complementarity of square-wave voltammetry in DMSO and mediated chronoamperometry in water
ClearCoupling electrochemical and spectroscopic methods for river water dissolved organic matter characterization
Researchers combined electrochemical impedance spectroscopy with traditional light-based methods to better characterize dissolved organic matter in river water — organic compounds that interact with pollutants including microplastics. The integrated approach revealed patterns in organic matter composition that optical methods alone would miss, offering a more complete picture of water quality.
Portable potentiometric device for determining the antioxidant capacity
This paper describes the development of a portable electrochemical device for rapidly measuring antioxidant capacity in biological and environmental samples, offering a simpler alternative to laboratory-based methods.
Sequential speciation analysis of heavy metals on suspended particulate matter in water using electrochemical mass spectrometry
Researchers developed an electrochemical mass spectrometry method for sequential speciation analysis of heavy metals — distinguishing dissolved, colloidal, and particulate fractions — in suspended particulate matter from lake water samples.
Electrical impedance spectroscopy based strategy for detecting and differentiating microplastics in water
Researchers developed a submersible electrical impedance spectroscopy approach capable of detecting and differentiating microplastics directly in biologically active aquatic environments, overcoming the labor-intensive preprocessing requirements of conventional FTIR and Raman methods.
Removal of Organic Micro-Pollutants from Wastewater in Electrochemical Processes—Review
This review summarized electrochemical methods for removing organic micropollutants from wastewater, covering advanced oxidation and photochemical processes and their effectiveness against compounds resistant to conventional biological treatment.
Treatment of microplastics in water by anodic oxidation: A case study for polystyrene
Anodic oxidation (electrooxidation) was tested as a method for degrading polystyrene microplastics suspended in water. The electrochemical treatment showed progressive microplastic degradation, demonstrating potential for electrooxidation as a water treatment approach targeting suspended plastic particles.
Advanced electrocatalytic redox processes for environmental remediation of halogenated organic water pollutants
Researchers reviewed advanced electrochemical methods for breaking down halogenated organic pollutants in water, which are persistent contaminants found in many industrial and consumer products. The study examined how electrocatalytic processes can target the strong carbon-halogen bonds that make these chemicals so resistant to natural degradation. The findings suggest that these emerging treatment technologies hold promise for cleaning up contaminated water sources more effectively than conventional methods.
The Degradation of Polycyclic Aromatic Hydrocarbons by Biological Electrochemical System: A Mini-Review
This review examines how biological electrochemical systems can be used to break down polycyclic aromatic hydrocarbons, persistent pollutants commonly found in water and sediments. Researchers found that these systems offer an energy-efficient and environmentally friendly approach to degrading these harmful compounds. The study outlines promising directions for scaling up this technology to address real-world contamination.
Protocol for low-cost quantification of microplastics through electrochemical impedance spectroscopy from aqueous matrices
Most methods for detecting microplastics in water require expensive equipment or time-consuming laboratory steps. This study presents a simple protocol using electrochemical impedance spectroscopy (EIS) — measuring how microplastics change the electrical resistance of a solution — to rapidly and cheaply quantify plastic particles in water samples. Validated against conventional optical methods, the approach could make routine microplastic monitoring more affordable and accessible, particularly for lower-resource settings or high-throughput screening applications.
New Advances in Bioelectrochemical Systems in the Degradation of Polycyclic Aromatic Hydrocarbons: Source, Degradation Pathway, and Microbial Community
This review examined how bioelectrochemical systems can degrade polycyclic aromatic hydrocarbons, persistent pollutants found alongside microplastics in contaminated environments. Researchers found that these systems combine biological metabolism with electrochemical processes to break down pollutants while recovering energy. The study highlights an emerging technology that could simultaneously address multiple types of environmental contamination.
Electrochemical Sensor Based on Spent Coffee Grounds Hydrochar and Metal Nanoparticles for Simultaneous Detection of Emerging Contaminants in Natural Water
Not relevant to microplastics — this paper describes an electrochemical sensor using spent coffee grounds hydrochar to detect the emerging contaminants hydroxychloroquine sulfate and bisphenol A in water.
Characterization of the Differences in Dissolved Organic Matter (DOM) Adsorbed on Five Kinds of Microplastics Using Multiple Methods
Researchers developed an optimized method for extracting dissolved organic matter directly from microplastics collected across five different environmental settings. They found that the type of microplastic, its shape, and the environment it was collected from all significantly influenced how much organic matter was adsorbed, with porous extruded polyethylene showing the highest enrichment. The study provides new analytical approaches for characterizing how microplastics interact with organic matter in aquatic and sediment environments.
Electrochemical Oxidation of Selected Micropollutants from Environment Matrices Using Boron-Doped Diamond Electrodes: Process Efficiency and Transformation Product Detection
This study applied electrochemical oxidation to degrade selected micropollutants from real environmental water matrices, evaluating electrode materials and operating conditions. The approach achieved high removal efficiency for persistent contaminants that resist conventional wastewater treatment.
Influence of mineral and organic matrices on the thermal characterization of microplastics
Researchers investigated how mineral and organic matrices in sediments interfere with Rock-Eval thermal characterization of microplastics, finding that both matrix types alter key pyrolysis and oxidation parameters and must be accounted for when using this method to quantify microplastic pollution in sediments.
Electrochemical and photoelectrochemical oxidation processes for polystyrene microplastic treatment: BDD anode vs Sb-doped SnO2 ceramic anode coated with a CdFe2O4 photocatalytic layer
This is a companion dataset to an electrochemical microplastic treatment study comparing a boron-doped diamond anode with a photoactive tin-oxide ceramic anode for degrading polystyrene microplastics. The data covers removal efficiency, organic carbon mineralization, and energy use under different current levels and lighting conditions. It supports research into scalable water treatment technologies for microplastic removal.
Portable Microplastics Electrochemical Sensor: Combining Experiment and Density Functional Theory
Researchers developed a portable electrochemical sensor for on-site microplastic detection in water, integrating density functional theory (DFT) calculations to elucidate electron transfer mechanisms at the sensor interface. The device, controlled via smartphone, demonstrated a sensitive electrochemical response to microplastics in environmental water samples, offering a new paradigm for in-situ pollution monitoring.
Removal and toxic forecast of microplastics treated by electrocoagulation: Influence of dissolved organic matter
Electrocoagulation was evaluated for removing microplastics from water, with researchers investigating how co-pollutants and water chemistry affect removal efficiency and identifying the degradation products and toxicity of residual MPs post-treatment. The method showed high removal rates under optimized conditions but generated some toxic byproducts that require further management.
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.
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.
Development of an analytical method for the analysis of microplastics by Pyrolysis-GC/MS : application on Seine River sediments
Researchers developed and validated an analytical method using pyrolysis coupled with gas chromatography-mass spectrometry (Py-GC/MS) for quantifying microplastics in complex environmental matrices, applying it to Seine River sediment samples rich in mineral and organic matter. They found that Py-GC/MS effectively determined mass concentrations of target polymers and proved complementary to micro-FTIR, though interfering compounds from organic-rich matrices required careful method optimization.