Results 21 to 30 of about 576,391 (278)

Increasing pattern recognition accuracy for chemical sensing by evolutionary based drift compensation [PDF]

open access: yes, 2011
Artificial olfaction systems, which mimic human olfaction by using arrays of gas chemical sensors combined with pattern recognition methods, represent a potentially low-cost tool in many areas of industry such as perfumery, food and drink production ...
A. Scionti   +37 more
core   +2 more sources

Materials science and the sensor revolution [PDF]

open access: yes, 2010
For the past decade, we have been investigating strategies to develop ways to provide chemical sensing platforms capable of long-term deployment in remote locations1-3.
Benito-Lopez, Fernando   +2 more
core   +1 more source

L-Tryptophan Adsorbed on Au and Ag Nanostructured Substrates: A SERS Study

open access: yesApplied Sciences
The objective of this study was to determine the most stable conformation of L-tryptophan (L-Tryp) on gold and silver nanoparticles. Additionally, this work investigated how these parameters were influenced by analyte concentration, nanoparticle size ...
Tamara Félix-Massa   +11 more
doaj   +1 more source

Development of Photonic Crystal Fiber Based Gas/ Chemical Sensors

open access: yes, 2018
The development of highly-sensitive and miniaturized sensors that capable of real-time analytes detection is highly desirable. Nowadays, toxic or colorless gas detection, air pollution monitoring, harmful chemical, pressure, strain, humidity, and ...
AA Rifat   +64 more
core   +1 more source

Chemical Vapour Deposition of MWCNT on Silica Coated Fe3O4 and Use of Response Surface Methodology for Optimizing the Extraction of Organophosphorus Pesticides from Water

open access: yesInternational Journal of Analytical Chemistry, 2019
Multiwalled carbon nanotube (MWCNT) was fixed onto the surface of a magnetic silica (Fe3O4@SiO2) substrate via chemical vapour deposition (CVD). Acetylene gas was used as the carbon source and cobalt oxide as the catalyst.
Veronica W. O. Wanjeri   +5 more
doaj   +1 more source

Explosives Analysis Using Thin-Layer Chromatography–Quantum Cascade Laser Spectroscopy

open access: yesMolecules
A new hyphenated technique using thin-layer chromatography (TLC) to separate analytes in mixtures, coupled with mid-infrared (MIR) laser spectroscopy for identification and quantification, is presented.
John R. Castro-Suarez   +7 more
doaj   +1 more source

Electrochemical Detection of Dinitrobenzene on Silicon Electrodes: Toward Explosives Sensors

open access: yesSurfaces, 2022
Detection of explosives is vital for protection and criminal investigations, and developing novel explosives’ sensors stands at the forefront of the analytical and forensic chemistry endeavors.
Essam M. Dief   +2 more
doaj   +1 more source

3-Thienylboronic Acid as a Receptor for Diol-Containing Compounds: A Study by Isothermal Titration Calorimetry

open access: yesChemosensors, 2022
The electrochemical activity of 3-thienylboronic acid and its feature to form polymer films makes it a perspective receptor material for sensor applications.
Yulia Efremenko, Vladimir M. Mirsky
doaj   +1 more source

Chemical Sensors Based on Graphene and 2D Graphene Analogs

open access: yesAdvanced Sensor Research, 2023
The outbreak of the global pandemic has aroused significant attention from the public for healthy living environments. From this point of view, chemical sensors are crucial since these devices or actuators have diverse applications, such as environmental
Chung Won Lee   +3 more
doaj   +1 more source

Molecular Plasmonic Silver Forests for the Photocatalytic-Driven Sensing Platforms

open access: yesNanomaterials, 2023
Structural electronics, as well as flexible and wearable devices are applications that are possible by merging polymers with metal nanoparticles. However, using conventional technologies, it is challenging to fabricate plasmonic structures that remain ...
Maxim Fatkullin   +18 more
doaj   +1 more source

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