Results 31 to 40 of about 176,978 (346)

TiO2 nanotubes for room temperature toluene sensor [PDF]

open access: yes, 2014
TiO2 nanotubes were used to prepare gas sensor and the gas sensing properties towards toluene were analyzed. Titania nanotube arrays were fabricated via electrochemical anodization method in glycerol electrolytes containing NH4F.
Boggio, Norberto Gabriel   +2 more
core   +1 more source

Electrochemical Sensing of Vanillin Based on Fluorine-Doped Reduced Graphene Oxide Decorated with Gold Nanoparticles

open access: yesFoods, 2022
4-hydroxy-3-methoxybenzaldehyde (vanillin) is a biophenol compound that is relatively abundant in the world’s most popular flavoring ingredient, natural vanilla. As a powerful antioxidant chemical with beneficial antimicrobial properties, vanillin is not
Venkatesh S. Manikandan   +3 more
doaj   +1 more source

Catalase-based modified graphite electrode for hydrogen peroxide detection in different beverages [PDF]

open access: yes, 2016
A catalase-based (NAF/MWCNTs) nanocomposite film modified glassy carbon electrode for hydrogen peroxide (H2O2) detection was developed. The developed biosensor was characterized in terms of its bioelectrochemical properties.
ANTIOCHIA, RICCARDA   +5 more
core   +4 more sources

Electrically Guided DNA Immobilization and Multiplexed DNA Detection with Nanoporous Gold Electrodes. [PDF]

open access: yes, 2018
Molecular diagnostics have significantly advanced the early detection of diseases, where the electrochemical sensing of biomarkers (e.g., DNA, RNA, proteins) using multiple electrode arrays (MEAs) has shown considerable promise.
Daggumati, Pallavi   +3 more
core   +3 more sources

An electrochemical hydrogen peroxide sensor for applications in nuclear industry

open access: yesNuclear Engineering and Technology, 2021
Hydrogen peroxide is a radiolysis product of water formed under gamma-irradiation; therefore, its reliable detection is crucial in the nuclear industry for spent fuel management and coolant chemistry.
Junghwan Park   +3 more
doaj   +1 more source

Electrochemistry and application of a novel monosubstituted squarate electron-transfer mediator in a glucose oxidase-doped poly(phenol) sensor [PDF]

open access: yes, 2004
Electrosynthetic poly(phenol) nanofilms were deposited in situ on platinum electrodes in the presence and absence of glucose oxidase. The synthesis charges and currents of the nonconducting polymer films were recorded at various applied potentials for ...
Hall, Lincoln A.   +6 more
core   +1 more source

Graphene‐Based Electrochemical Sensors

open access: yesSmall, 2013
AbstractGraphene, one kind of emerging carbon nanomaterial, has attracted increasing attention recently. Due to its fascinating physical and electrochemical properties, graphene as a promising electrode material has been widely used in electrochemical sensing applications.
Wu, Shixin   +4 more
openaire   +4 more sources

Community sewage sensors towards evaluation of drug use trends: detection of cocaine in wastewater with DNA-directed immobilization aptamer sensors [PDF]

open access: yes, 2016
Illicit drug use has a global concern and effective monitoring and interventions are highly required to combat drug abuse. Wastewater-based epidemiology (WBE) is an innovative and cost-effective approach to evaluate community-wide drug use trends ...
Castrignanò, Erika   +4 more
core   +1 more source

Electrochemical detection of folic acid using a modified screen printed electrode

open access: yesJournal of Electrochemical Science and Engineering, 2022
In this work, an electrochemical sensor was established for the detection of folic acid based on Ni-BTC (BTC = benzene-1,3,5-tricarboxylic acid) metal-organic framework (MOF) modified screen-printed electrode (SPE).
Sayed Zia Mohammadi   +2 more
doaj   +1 more source

Review on carbon-derived, solid-state, micro and nano sensors for electrochemical sensing applications [PDF]

open access: yes, 2009
The aim of this review is to summarize the most relevant contributions in the development of electrochemical sensors based on carbon materials in the recent years.
Davidson, Jimmy L.   +4 more
core   +1 more source

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