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Papers
20 resultsShowing papers similar to Optimization of Electrolytes with Redox Reagents to Improve the Impedimetric Signal for Use with a Low-Cost Analyzer
ClearElectrochemical Sensors and Biosensors for Food, Environmental and Biomedical Analysis
Researchers reviewed the field of electrochemical sensors and biosensors, evaluating their sensitivity and selectivity for applications in food safety, environmental monitoring, and biomedical diagnostics as miniaturized alternatives to conventional analytical gold standards.
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.
Electrochemical Sensor for Antibiotic Detection
This review examines the design principles, transduction mechanisms, and performance characteristics of electrochemical biosensors for antibiotic detection, covering enzyme-based, aptamer-based, and molecularly imprinted polymer approaches and highlighting the integration of nanomaterials and microfluidics to address the challenge of antibiotic resistance monitoring.
Integrated Electrochemical Biosensors for Detection of Waterborne Pathogens in Low-Resource Settings
This review covers the development of electrochemical biosensors integrated with microfluidic components for detecting waterborne pathogens, highlighting their potential for portable, affordable water quality monitoring in developing countries. The authors discuss how these devices could address critical gaps in current water safety infrastructure in low-resource settings.
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 Detection in Water Using a Sensor Network, An Electronic Tongue and Spectroscopy Impedance
Researchers developed an electronic sensor system using impedance spectroscopy to detect microplastics in drinking water without needing expensive laboratory equipment. By running 160 experiments with different water contaminant combinations, they showed that the technique can distinguish microplastic contamination using electrochemical signals and statistical analysis. Affordable, portable detection systems like this are important for monitoring water supplies in regions where lab infrastructure is limited.
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.
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.
Machine Learning Benchmarks for the Classification of Equivalent Circuit Models from Electrochemical Impedance Spectra
This study benchmarked machine learning algorithms for classifying electrochemical impedance spectra to identify circuit models. While focused on battery and energy research, advances in machine learning for spectral analysis are increasingly applied to identifying microplastic polymers in environmental samples.
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.
Measuring Microplastic Concentrations in Water by Electrical Impedance Spectroscopy
Researchers developed a method using electrical impedance spectroscopy to measure microplastic concentrations in water samples without requiring complex laboratory equipment. The technique can distinguish between different concentrations and types of plastic particles based on their electrical properties. The study offers a potentially faster and more accessible approach for routine microplastic monitoring in water treatment and environmental settings.
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.
Label-free impedimetric analysis of microplastics dispersed in aqueous media polluted by Pb2+ ions
Researchers developed a simple electrochemical method to distinguish between clean and lead-contaminated microplastics in water without needing complex laboratory equipment. The technique uses impedance measurements to rapidly detect whether microplastics carry adsorbed heavy metal pollutants. The approach could be useful for quick field assessments of how contaminated microplastics are in environmental water samples.
PortAqua: a low-cost, compact water quality meter for science communication
Researchers designed PortAqua, a low-cost, two-parameter water quality meter capable of measuring pH and conductivity using basic electronics, and tested it in hands-on workshops with students. The device aims to make water quality monitoring accessible to low-income communities that currently rely on smell, color, and taste to judge water safety.
Electrochemical oxidation of losartan on a BDD electrode: Influence of cathodes and electrolytes on the degradation kinetics and pathways
Researchers studied how different electrolytes and electrode materials affect the electrochemical breakdown of the blood pressure medication losartan in water. The study found that chloride-based electrolytes were more effective at removing the drug than sulfate-based ones, and that adding persulfate improved the process up to a point. These findings help advance methods for removing pharmaceutical contaminants from water supplies.
Electrochemical Biosensors in the Diagnosis of Acute and Chronic Leukemias
This review examines electrochemical biosensors as a novel diagnostic approach for acute and chronic leukemias, describing how nano-sensing interfaces functionalized with biological recognition elements detect changes in electrical properties upon analyte binding as a more sensitive alternative to conventional microscopy and molecular biology methods.
Influence of electrode reactions on electroosmotic flow and ion transport in a microchannel
Researchers modeled how electrode reactions influence electroosmotic flow and ion transport in microfluidic channels. The study found that ignoring electrode effects leads to inaccurate predictions of fluid behavior in electrically driven microdevices. These insights improve the design of lab-on-chip systems used in analytical chemistry and biosensing.
Sensors in action: towards bespoke analytical devices
This overview describes advances in bespoke chemical sensor technologies — including inkjet-printed electrochemical and optical devices — for point-of-care diagnostics and environmental monitoring, highlighting the potential for miniaturized analytical platforms integrated into everyday objects.
Boosted Electrocatalytic Degradation of Levofloxacin by Chloride Ions: Performances Evaluation and Mechanism Insight with Different Anodes
Researchers investigated how chloride ions in natural water affect the electrocatalytic degradation of the antibiotic levofloxacin using different electrode types. The study found that chloride presence significantly boosted degradation performance, providing insights into how water chemistry influences the effectiveness of advanced oxidation processes for removing pharmaceutical pollutants.
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.