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Papers
20 resultsShowing papers similar to Rapid Microfluidic Electrochemical Sensor for the Detection of Heavy Metal Ions in Water Sample
ClearElectrochemical and Colorimetric Nanosensors for Detection of Heavy Metal Ions: A Review
This review covers nanosensor technologies being developed to detect heavy metal contamination in environmental and food samples, which is important because heavy metals are linked to cancer, neurological disorders, and developmental problems. While focused on metal detection rather than plastics directly, these affordable and portable sensor technologies could be adapted for detecting microplastic-associated contaminants in water and food.
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.
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.
Low-cost microfluidics: Towards affordable environmental monitoring and assessment
This review highlights how low-cost microfluidic devices offer a promising alternative to expensive, labor-intensive methods for environmental monitoring, enabling rapid detection of pollutants including microplastics, heavy metals, and pathogens with minimal sample volumes.
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.
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.
Detection of metallic pollutants in waste water using bio sensors and its remediation
This review examines biosensor technologies for detecting metallic pollutants in wastewater, including approaches for monitoring diverse contaminants from industrial and urban sources. The study highlights how continuous real-time monitoring using biosensors can help address the growing threat of water pollution to human health and ecosystems.
Development of microfluidic device to monitor the contamination in drinking water using impedance spectroscopy
Researchers developed a microfluidic device using electrical impedance spectroscopy to detect and monitor microplastic particles in drinking water. The device aimed to provide a real-time, sensitive method for MP contamination monitoring at the point of use.
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.
Recent advances in luminescent chemosensors for sensitive and selective detection of heavy metal ions in aqueous environments
Scientists have reviewed new tools that use light to detect dangerous heavy metals like lead and mercury in water. These "luminescent sensors" can quickly spot tiny amounts of toxic metals, which is important because heavy metals can cause serious health problems when people drink contaminated water. The research shows these sensors could provide a cheaper, faster way to test water safety compared to current methods.
Biosensors in environmental analysis of microplastics and heavy metal compounds – A review on current status and challenges
This review examines how biosensors -- devices that use biological materials to detect pollutants -- could provide faster and cheaper monitoring of microplastics and heavy metals in the environment. Current methods for detecting microplastics are expensive and time-consuming, so biosensor technology could help track contamination more widely. Better environmental monitoring is an important step toward reducing the microplastic exposure that ultimately affects human health.
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.
Developing Low-Cost In-Situ Water Pollution Sensors
Researchers reviewed low-cost in-situ sensor technologies for detecting water pollutants including heavy metals, pharmaceuticals, and emerging contaminants, evaluating their sensitivity, selectivity, and feasibility for deployment in resource-limited settings.
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.
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.
Simple microfluidic devices for in situ detection of water contamination: a state-of-art review
This review covers recent advances in simple, low-cost microfluidic devices designed for on-site water quality testing rather than expensive laboratory analysis. Researchers found that these portable lab-on-a-chip devices can detect biological, chemical, and physical contaminants including microplastics with increasing accuracy. The study highlights the potential for these tools to make water safety monitoring more accessible, especially in resource-limited settings.
Microfluidic Sensors for Micropollutant Detection in Environmental Matrices: Recent Advances and Prospects
This review covers advances in tiny sensor devices called microfluidic sensors that can detect trace amounts of pollutants including microplastics in water and environmental samples. Better detection tools matter for human health because they enable faster, more accurate monitoring of microplastic contamination in drinking water and food sources.
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.
Electrochemical detection of heavy metal ions adsorbed on microplastics with varying surface charges
Using electrochemical techniques, researchers studied how microplastics with different surface charges absorb heavy metals like lead, chromium, zinc, and nickel from water. Negatively charged microplastics absorbed significantly more heavy metals than positively charged ones, driven by electrostatic attraction. This research helps explain how microplastics in the environment can concentrate toxic metals and potentially deliver them into the food chain and human body.
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.