Results 21 to 30 of about 123,807 (307)

Layer by Layer Deposition of Colloidal SnO2 Nano Particles

Proceedings, 2017
The gas sensing properties of functional metal oxide layers depend on multitude parameters, including vacancy concentration, layer morphology and thickness, size and shape of the nano/microstructure, and porosity.
Haitao Gao, Xuemeng Lyu, Jürgen Wöllenstein, Stefan Palzer   +3 more
doaj   +1 more source

Plasmonic Gas Sensor

JSAP-OSA Joint Symposia 2013 Abstracts, 2013
Gas detection is an important field of medical gas sensing from exhalation, bio-markers of disease can be detected without any medical intervention. In case of environmental sensing in landfills, detection of greenhouse effect gases, exhaust fumes from cars, monitoring of industrial processes, the gases concentration should be monitored continuously in
Nishijima, Yoshiaki, Adachi, Yuta, ROSA, Lorenzo, Juodkazis, Saulius   +3 more
openaire   +1 more source

Selective Sensing of Gas Mixture via a Temperature Modulation Approach: New Strategy for Potentiometric Gas Sensor Obtaining Satisfactory Discriminating Features

Sensors, 2017
A new strategy to discriminate four types of hazardous gases is proposed in this research. Through modulating the operating temperature and the processing response signal with a pattern recognition algorithm, a gas sensor consisting of a single sensing ...
Fu-an Li, Han Jin, Jinxia Wang, Jie Zou, Jiawen Jian   +4 more
doaj   +1 more source

Selectivity in Chemiresistive Gas Sensors: Strategies and Challenges [PDF]

Chemical Reviews
Peresi Majura Bulemo, Hamin Shin, Sung-Yool Choi   +2 more
exaly   +2 more sources

Methane-specific gas detectors: the effect of natural gas composition [PDF]

, 2010
Certain gas sensors, particularly those based on optical spectroscopy, have enabled the detection of individual gas species such as methane with low cross-sensitivity to other gases.
Hodgkinson, Jane, Pride, Russ D., R D Pride, J Hodgkinson   +3 more
core   +1 more source

A Wireless Gas Sensor Network to Monitor Indoor Environmental Quality in Schools

Sensors, 2018
Schools are amongst the most densely occupied indoor areas and at the same time children and young adults are the most vulnerable group with respect to adverse health effects as a result of poor environmental conditions.
Alvaro Ortiz Perez, Benedikt Bierer, Louisa Scholz, Jürgen Wöllenstein, Stefan Palzer   +4 more
doaj   +1 more source

Rapid Quantitative Analysis of IR Absorption Spectra for Trace Gas Detection by Artificial Neural Networks Trained with Synthetic Data

Sensors, 2022
Infrared absorption spectroscopy is a widely used tool to quantify and monitor compositions of gases. The concentration information is often retrieved by fitting absorption profiles to the acquired spectra, utilizing spectroscopic databases.
Jens Goldschmidt, Leonard Nitzsche, Sebastian Wolf, Armin Lambrecht, Jürgen Wöllenstein   +4 more
doaj   +1 more source

Cavity-Enhanced Raman Spectroscopy for Food Chain Management

Sensors, 2018
Comprehensive food chain management requires the monitoring of many parameters including temperature, humidity, and multiple gases. The latter is highly challenging because no low-cost technology for the simultaneous chemical analysis of multiple gaseous
Vincenz Sandfort, Jens Goldschmidt, Jürgen Wöllenstein, Stefan Palzer   +3 more
doaj   +1 more source

Drift Correction Methods for gas Chemical Sensors in Artificial Olfaction Systems: Techniques and Challenges [PDF]

, 2012
In this chapter the authors introduce the main challenges faced when developing drift correction techniques and will propose a deep overview of state-of-the-art methodologies that have been proposed in the scientific literature trying to underlying pros ...
Falasconi M., M. Falasconi, S. Di Carlo, S. Di, DI CARLO, STEFANO, Di Carlo S., Falasconi M.   +5 more
core   +1 more source

INKJET PRINTING OF A GAS SENSOR [PDF]

NANOCON Conference Proeedings, 2020
Ministry of Education, Youth and Sports of the Czech RepublicMinistry of Education, Youth & Sports - Czech Republic; Internal Grant Agency of the Tomas Bata University in Zlin [IGA/CPS/2019/007]
Dmonte, David John, Šuly, Pavol, Antoš, Jan, Urbánek, Pavel, Kuřitka, Ivo   +4 more
openaire   +2 more sources