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Papers
20 resultsShowing papers similar to Portable Microplastics Electrochemical Sensor: Combining Experiment and Density Functional Theory
ClearElectrochemical 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.
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.
Design and Development of an Advanced Sensor Prototype for the Detection of Microplastics
Researchers designed and developed an advanced sensor prototype for detecting microplastics in water, combining spectroscopic and signal processing technologies into a portable device. The prototype demonstrated accurate microplastic identification across multiple polymer types in field conditions.
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.
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.
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.
Field-Portable Microplastic Sensing in Aqueous Environments: A Perspective on Emerging Techniques
This review examines emerging field-portable technologies for detecting and quantifying microplastics in aqueous environments, discussing optical, spectroscopic, and electrochemical sensing approaches. Researchers identify the lack of a standardized, rapid on-site method as the primary bottleneck limiting accurate real-world microplastic monitoring.
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.
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.
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.
A smartphone-assisted photoelectrochemical POCT method via Z-scheme CuCo2S4/Fe3O4 for simultaneously detecting co-contamination with microplastics in food and the environment
Researchers developed a smartphone-based portable testing method that can simultaneously detect two harmful chemicals commonly associated with microplastic contamination in food and the environment. The system achieved extremely sensitive detection limits and showed reliable results when tested on real food and environmental samples. This portable approach could make it easier and more affordable to monitor microplastic-related chemical contamination outside of traditional laboratory settings.
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.
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.
Advances in Portable Heavy Metal Ion Sensors
This review covers advances in portable sensors for detecting heavy metal ions in the environment, including electrochemical, optical, and smartphone-based devices. While focused on heavy metals rather than microplastics directly, the technology is relevant because microplastics often carry heavy metals that can leach into water and food. Better field-testing tools could help track how microplastics transport toxic metals into the environment and human food sources.
Microplastic detection and recognition system enabled by a triboelectric nanogenerator and machine learning techniques
Researchers developed a simple, rapid microplastic detection and identification device combining liquid-solid contact electrification with machine learning algorithms. The system could distinguish between different types of microplastics in water based on open-circuit voltage differences, offering a lower-cost and faster alternative to conventional detection methods.
RF MEMS Resonance Sensor for Measuring Microplastics Concentration
Researchers designed an RF MEMS resonance sensor capable of detecting microplastics in water at low cost, offering a practical alternative to expensive conventional particle analyzers for environmental monitoring.
Eco-Sensing System for Water Pollution and Microplastic Detection
This study evaluates new sensor-based and spectroscopic technologies for detecting microplastics in water in real time, comparing them with traditional lab-based methods. The portable systems showed improved accuracy and efficiency for field use, making it possible to monitor microplastic contamination as it happens. Better detection tools are essential for protecting drinking water sources and understanding the true scale of human microplastic exposure.
Complementary Multisplit Ring Resonant MEMS Sensor With Microfilter for Microplastics Concentration Measurement
Engineers developed a small, low-cost sensor that can detect and measure microplastic concentrations on-site without expensive laboratory equipment, using a microelectromechanical filter to collect particles and a resonant circuit to measure how much accumulates. This kind of portable tool could make routine environmental monitoring of microplastics far more accessible, enabling faster detection of pollution in water sources.
Portable Multichannel Measurement System for Real-Time Microplastics Assessment Using Microwave Sensors
Scientists developed a portable multichannel electronic system that uses microwave sensors to detect microplastics in water in real time, capable of simultaneously reading up to four sensors targeting particles of different sizes. The system combines radio-frequency integrated circuits with signal-conditioning hardware for field-deployable monitoring. This kind of low-cost, portable sensing technology could make routine microplastic screening much more practical at waterways and treatment facilities.
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.