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Electrochemical Sensors, a Bright Future in the Fabrication of Portable Kits in Analytical Systems
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TLDR
The mechanism and different examples of DNA, enzymatic and electro-catalytic methods for electroanalytical determination of drug, food and environmental compounds are described.Abstract:
Analysis of food, pharmaceutical, and environmental compounds is an inevitable issue to evaluate quality of the compounds used in human life. Quality of drinking water, food products, and pharmaceutical compounds is directly associated with human health. Presence of forbidden additives in food products, toxic compounds in water samples and drugs with low quality lead to important problems for human health. Therefore, attention to analytical strategy for investigation of quality of food, pharmaceutical, and environmental compounds and monitoring presence of forbidden compounds in materials used by humans has increased in recent years. Analytical methods help to identify and quantify both permissible and unauthorized compounds present in the materials used in human daily life. Among analytical methods, electrochemical methods have been shown to have more advantages compared to other analytical methods due to their portability and low cost. Most of big companies have applied this type of analytical methods because of their fast and selective analysis. Due to simple operation and high diversity of electroanalytical sensors, these types of sensors are expected to be the future generation of analytical systems. Therefore, many scientists and researchers have focused on designing and fabrication of electroanalytical sensors with good selectivity and high sensitivity for different types of compounds such as drugs, food, and environmental pollutants. In this paper, we described the mechanism and different examples of DNA, enzymatic and electro-catalytic methods for electroanalytical determination of drug, food and environmental compounds.read more
Citations
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Application of sepiolite/FeS2 nanocomposite for highly selective detection of mercury(II) based on stripping voltammetric analysis
TL;DR: In this article, a novel electrochemical sensor for trace detection of Hg(II) is fabricated using sepiolite/pyrite (Sep/FeS2) nanocomposite.
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Role of hot-pressing temperature on densification and microstructure of ZrB2–SiC ultrahigh temperature ceramics
Van-Huy Nguyen,Seyed Ali Delbari,Mehdi Shahedi Asl,Abbas Sabahi Namini,Mahdi Ghassemi Kakroudi,Yashar Azizian-Kalandaragh,Quyet Van Le,Mohsen Mohammadi,Mohammadreza Shokouhimehr +8 more
TL;DR: In this paper, a hot-pressing process was implemented to fabricate three ceramics at sintering temperatures of 1650, 1850, and 2050°C under 10MPa for 1h.
Journal ArticleDOI
Electrochemical Sensors Based on Covalent Organic Frameworks: A Critical Review.
TL;DR: This review summarized recent achievements in developing novel electrochemical sensors based on covalent organic frameworks, and discussed the key fundamental and challenging issues that need to be addressed, including the mechanisms underlying charge transport, methods to improve electrical conductivity, immobilization methods on different substrates, synthesis strategies for nanoscale COFs, and the application of COFs in different fields.
Journal ArticleDOI
Electrochemical cardiac troponin I immunosensor based on nitrogen and boron-doped graphene quantum dots electrode platform and Ce-doped SnO2/SnS2 signal amplification
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Journal ArticleDOI
Multi-walled carbon nanotubes/nickel hydroxide composite applied as electrochemical sensor for folic acid (vitamin B9) in food samples
João Paulo Winiarski,Ricardo Rampanelli,Jean Carlos Bassani,Daniela Zambelli Mezalira,Cristiane Luisa Jost +4 more
TL;DR: In this paper, a composite material of functionalized MWCNTs with nickel hydroxide (f-MWCNT-Ni(OH)2) was proposed for the quantification of FA in wheat flour, fortifier, and dietary supplement.
References
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Multi-walled carbon nanotubes-ionic liquid-carbon paste electrode as a super selectivity sensor: application to potentiometric monitoring of mercury ion(II).
Hadi Khani,Mohammad Kazem Rofouei,Pezhman Arab,Vinod Kumar Gupta,Vinod Kumar Gupta,Zahra Vafaei +5 more
TL;DR: The proposed electrode was successfully used as an indicator for potentiometric determination of Hg(II) in dental amalgam and water samples and the electrode has a short response time and can be used for at least 55 days without any considerable divergence in potentials.
Journal ArticleDOI
Electrochemical DNA Hybridization Biosensors
TL;DR: The many different approaches in which electrochemical methods are used to detect DNA hybridization, as the basis of a DNA biosensors, are reviewed in this article, which can be divided into two broad classes, approaches where a redox active species is used as a label and those where changes in the DNA interface are monitored electrochemically without the use of any labels.
Journal ArticleDOI
Enzymatic glucose biosensor based on ZnO nanorod array grown by hydrothermal decomposition
TL;DR: In this paper, a glucose biosensor based on glucose oxidase (GOx) immobilized on ZnO nanorod array grown by hydrothermal decomposition was presented, which showed a linear range from 0.01to3.45mM and an experiment limit of detection of 0.1mM.
Journal ArticleDOI
A Novel DNA Biosensor Based on a Pencil Graphite Electrode Modified with Polypyrrole/Functionalized Multiwalled Carbon Nanotubes for Determination of 6-Mercaptopurine Anticancer Drug
Hassan Karimi-Maleh,Fahimeh Tahernejad-Javazmi,Necip Atar,Mehmet Lütfi Yola,Vinod Kumar Gupta,Vinod Kumar Gupta,Vinod Kumar Gupta,Ali A. Ensafi +7 more
TL;DR: In this paper, a pencil graphite electrode was modified with polypyrrole/functionalized multiwalled carbon nanotubes for the determination of 6-mercaptopurine (6-MP) is presented.
Journal ArticleDOI
Simultaneous voltammetric determination of acetaminophen, aspirin and caffeine using an in situ surfactant-modified multiwalled carbon nanotube paste electrode
TL;DR: In this paper, a carbon nanotube paste electrode modified in situ with Triton X 100 was developed for the individual and simultaneous determination of acetaminophen (ACOP), aspirin (ASA) and caffeine (CF).