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Papers
61,005 resultsShowing papers similar to A Low-Cost Electrochemical Cell Sensor Based on MWCNT-COOH/α-Fe2O3 for Toxicity Detection of Drinking Water Disinfection Byproducts
ClearIn vitro bioassays for monitoring drinking water quality of tap water, domestic filtration and bottled water
Researchers used cell-based bioassays to assess the toxicity of tap water, bottled water, and home-filtered water and found that non-regulated disinfection byproducts — chemical compounds formed when water is treated — were the main drivers of oxidative stress responses. The study demonstrates that standard chemical testing alone misses important toxicological hazards in drinking water.
A sensitive MWCNT-OH/PDDA/B-GQDs nanocomposite biosensor for toxicity assessment of nanoplastics and bisphenols in water: Mechanistic insights into cellular toxicity
Researchers built a cell-based electrochemical sensor to quickly measure how toxic nanoplastics and bisphenol chemicals — both common water contaminants — are to liver cells. Combined exposure caused additive harm, triggering oxidative stress and activating gene pathways linked to liver disease, highlighting the compounded health risks of these co-occurring pollutants.
Sensing of Disinfection Byproducts; An Iodo-Functionalized Metal-Organic Framework as a Platform
Researchers developed a metal-organic framework material capable of detecting halogenated disinfection byproducts in water. These chemical byproducts form when drinking water is chlorinated and can pose health risks, making sensitive detection tools valuable for water safety monitoring.
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.
A sensitive electrochemical sensor for environmental toxicity monitoring based on tungsten disulfide nanosheets/hydroxylated carbon nanotubes nanocomposite
Researchers developed a cell-based electrochemical sensor using tungsten disulfide nanosheet and carbon nanotube composites on a screen-printed electrode to detect aquatic pollutant toxicity, finding it more sensitive than conventional cell viability assays when tested against trichlorophenol, bisphenol AF, and polystyrene nanoplastics.
Electrochemical 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.
Bioengineered multi-walled carbon nanotube (MWCNT) based biosensors and applications thereof
This review covered the development of bioengineered multi-walled carbon nanotube-based biosensors, discussing their fabrication methods, functionalization strategies, and diverse applications as alternatives to conventional detection systems.
Development of Cost-Effective Sensor for Simultaneous Determination of Nanoplastics Using Artificial Neural Network
Researchers developed a cost-effective electrochemical sensor using silver nanoparticle-modified electrodes to simultaneously detect nanoplastic-associated pollutants including bisphenol A, phenol, and catechol in water. The sensor achieved high sensitivity with detection limits in the sub-micromolar range and was validated on real water samples, while an artificial neural network was trained on the electrochemical data to enhance analytical capabilities.
A cross-reactive plasmonic sensing array for drinking water assessment
Researchers developed a cross-reactive nanoplasmonic sensing array for continuous monitoring of drinking water quality, capable of detecting treatment system failures and assessing water safety in remote purification systems.
Electrochemical Biosensors for Express Analysis of the Integral Toxicity of Polymer Materials
Electrochemical biosensors based on an oxygen electrode, mediator electrode, and microbial fuel cell using Gluconobacter oxydans bacteria were developed and tested for rapid assessment of the integral toxicity of polymer materials and chemical compounds.
Electrochemically microplastic detection using chitosan-magnesium oxide nanosheet
Scientists developed an electrochemical sensor using chitosan and magnesium oxide nanosheets to detect hexamethylenetetramine (HMT), a chemical found in microplastics, in water samples. The sensor showed high sensitivity and selectivity, successfully detecting HMT in real-world lake and drinking water samples. This kind of affordable, portable detection tool could help monitor microplastic-related chemical contamination in water supplies.
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.
Nanoengineering of eco-friendly silver nanoparticles using five different plant extracts and development of cost-effective phenol nanosensor
Researchers used extracts from five plant species to create environmentally friendly silver nanoparticles and built them into a sensor capable of detecting phenol (a chemical pollutant) in water at very low concentrations, including in water from plastic bottles, offering a cheap and green option for monitoring water quality.
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.
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.
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.
Green Nanomaterial-based Electrochemical Sensors for Health and Environmental Monitoring
This review covered green nanomaterial-based electrochemical sensors for detecting health and environmental analytes including biomarkers, heavy metals, pharmaceuticals, and microplastics. Green synthesis of nanomaterials using plant extracts was highlighted as a way to maintain high sensitivity while avoiding hazardous chemicals in sensor fabrication.
Evaluation of Surface Water Quality with Biochemical Assays
Researchers evaluated two rapid, low-cost biochemical assays — a peroxidase toxicity test and a pyruvate-glyoxalate pathway assay — for assessing surface water quality near urban areas. Both assays effectively detected contamination in field samples, offering a faster alternative to conventional water quality monitoring.
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.
Nanocellulose-based carbon nanocomposite for the electrochemical sensing application for pharmaceuticals: A review
Researchers developed a nanocellulose-based carbon nanocomposite electrode for electrochemical sensing applications, leveraging cellulose's abundance, biocompatibility, and chemical properties to create a sensitive and cost-effective environmental detection platform.
Recent Implementations of Hydrogel-Based Microbial Electrochemical Technologies (METs) in Sensing Applications
This systematic review found that hydrogel-based microbial electrochemical technologies show strong potential for biosensor applications, particularly in detecting water contaminants and monitoring environmental quality. Hydrogels improve biofilm stability and electrode performance in microbial fuel cells used as sensing platforms.
Microplastic Detection and Quantification with Biosensing Techniques
This review examines emerging biosensor technologies for detecting and quantifying microplastics in food and environmental samples, comparing electrochemical, optical, and biological sensing approaches as faster and cheaper alternatives to conventional spectroscopy. Improved detection methods are critical for understanding true human exposure levels and setting meaningful safety thresholds for microplastics in drinking water and food.
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.
Nanomaterial-based electrochemical chemo(bio)sensors for the detection of nanoplastic residues: trends and future prospects
This study reviews how nanomaterial-based electrochemical sensors can be used to detect tiny nanoplastic residues in water. Researchers found that these sensors offer a promising, practical approach for monitoring nanoplastic contamination in aquatic ecosystems. The findings suggest that advancing these detection tools is important for implementing effective water quality control measures.