Results 21 to 30 of about 77,901 (345)

Adsorptive Cathodic Stripping Voltammetry for Quantification of Alprazolam

open access: yesMolecules, 2021
A simple and highly sensitive electrochemical sensor was developed for adsorptive cathodic stripping voltammetry of alprazolam. Based on an electrochemically pretreated glassy carbon electrode, the sensor demonstrated good adsorption and electrochemical ...
Waree Boonmee   +5 more
doaj   +1 more source

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

Recent Advances in Gas Sensing Technology Using Non-Oxide II-VI Semiconductors CdS, CdSe, and CdTe

open access: yesChemosensors, 2022
In recent years, there has been an increasing need and demand for gas sensors to detect hazardous gases in the atmosphere, as they are indispensable for environmental monitoring.
Masanori Ando   +4 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

Polymeric foams as the matrix of voltammetric sensors for the detection of catechol, hydroquinone, and their mixtures [PDF]

open access: yes, 2018
Producción CientíficaPorous electrodes based on polymethylmethacrylate and graphite foams (PMMA_G_F) have been developed and characterized. Such devices have been successfully used as voltammetric sensors to analyze catechol, hydroquinone, and their ...
Fernández Blanco, C.   +4 more
core   +1 more source

A Low Cost Compact Measurement System Constructed Using a Smart Electrochemical Sensor for the Real-Time Discrimination of Fruit Ripening

open access: yesSensors, 2016
Ethylene as an indicator for evaluating fruit ripening can be measured by very sensitive electrochemical gas sensors based on a high-resolution current produced by a bias potential applied to the electrodes.
Liuzheng Ma   +11 more
doaj   +1 more source

An H2S Sensor Based on Electrochemistry for Chicken Coops

open access: yesSensors, 2016
The recent modernization of the livestock industry lags behind the scale of the livestock industry, particularly in indoor environmental monitoring. In particular, the H2S gas concentration in chicken coops affects the growth and reproductive capacity of
Lihua Zeng   +3 more
doaj   +1 more source

An Electrochemical Amperometric Ethylene Sensor with Solid Polymer Electrolyte Based on Ionic Liquid

open access: yesSensors, 2021
An electrochemical amperometric ethylene sensor with solid polymer electrolyte (SPE) and semi-planar three electrode topology involving a working, pseudoreference, and counter electrode is presented. The polymer electrolyte is based on the ionic liquid 1-
Petr Kuberský   +5 more
doaj   +1 more source

The utility of the nitric oxide electrochemical sensor in biomedical research [PDF]

open access: yes, 2003
In recent years World Precision Instruments Inc. (WPI) produced for commercial use a selective and sensitive electrochemical sensor for the detection of the important biological free radical nitric oxide (NO).
Clark, JB, Hurst, RD
core   +2 more sources

Electrochemical detection of simple alkanes by utilizing a solid-state zirconia-based gas sensor

open access: yesChimica Techno Acta, 2023
Solid-state gas sensors composed of complex oxide electrolytes offer great potential for analyzing various atmospheres at high temperatures. While relatively simple gas mixtures (H2O+N2, O2+N2) have been successfully studied by means of ZrO2-based ...
Anatoly S. Kalyakin, Alexander N. Volkov
doaj   +1 more source

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