- Gas Sensing Nanomaterials and Sensors
- Advanced Chemical Sensor Technologies
- Analytical Chemistry and Sensors
- Electrochemical Analysis and Applications
- Air Quality Monitoring and Forecasting
- Advanced MEMS and NEMS Technologies
- Planetary Science and Exploration
- Analytical Chemistry and Chromatography
- Thermochemical Biomass Conversion Processes
- Mechanical and Optical Resonators
- Atmospheric and Environmental Gas Dynamics
- Spectroscopy and Laser Applications
- Electrochemical sensors and biosensors
- Astro and Planetary Science
- Fire Detection and Safety Systems
- Catalytic Processes in Materials Science
- Sensor Technology and Measurement Systems
- Water Quality Monitoring and Analysis
- Advanced Sensor and Energy Harvesting Materials
- Various Chemistry Research Topics
- Smart Materials for Construction
- Modular Robots and Swarm Intelligence
- Innovative Energy Harvesting Technologies
- Spacecraft and Cryogenic Technologies
- Fire effects on ecosystems
KWJ Engineering (United States)
2013-2023
Sensors (United States)
2014-2023
Illinois Institute of Technology
2000-2009
SRI International
2006-2009
Gwangju Institute of Science and Technology
2009
Technical University of Moldova
2009
Korea Institute of Energy Research
2009
Menlo School
2006-2008
State Key Laboratory of Transducer Technology
2006
Nanōmix (United States)
2004
The growing branch of science and technology known as sensors has permeated virtually all professional engineering organizations. Sensor generates thousands new publications each year, in ranging from magazines such Popular Mechanics Discover to learned journals like the Journal Electrochemical Society (JES). (ECS), which declared itself society for solid state electrochemical technology, its worldwide membership, have been vitally instrumental contributions both underlying sensors. This...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDetection of hazardous gases and vapors: pattern recognition analysis data from an electrochemical sensor arrayJoseph R. Stetter, Peter C. Jurs, Susan L. RoseCite this: Anal. Chem. 1986, 58, 4, 860–866Publication Date (Print):April 1, 1986Publication History Published online1 May 2002Published inissue 1 April 1986https://pubs.acs.org/doi/10.1021/ac00295a047https://doi.org/10.1021/ac00295a047research-articleACS PublicationsRequest reuse...
A simple Clark-type online electrochemical cell design, consisting of a platinum gauze working electrode and incorporating ionic liquids (IL) as electrolytes, has been successfully applied for the amperometric sensing oxygen. Studying ILs comprising bis(trifluoromethylsulfonyl)imide anion, obtained analytical parameters were found to be strongly dependent on choice cation. Compared with conventional Clark design based an aqueous supporting electrolyte, modified oxygen sensor achieves...
Efforts to create a sustainable hydrogen economy are gaining momentum as governments all over the world investing in production, storage, distribution, and delivery technologies develop infrastructure. This involves transporting gaseous or liquid form using carrier gases such methane, ammonia, mixtures of methane hydrogen. Hydrogen is colorless, odorless gas can easily leak into atmosphere leading economic loss safety concerns. Therefore, deployment robust low-cost sensors for various...
The use of sensor arrays, embodied in electronic noses, to characterize complex samples is an active and dynamic expression research chemical sensors. In this review, we emphasize sensors, instrumentation, applications aspects nose technology. addition, have added the existing historical description development, projected likely directions into future, evaluated needs that are a prerequisite eventual success
Abstract The properties and applications of amperometric gas sensors are reviewed. An introductory discussion the general mechanism electrochemical reactions an outline construction is presented. performance relationship sensor's to materials sensor components described. analytical characteristics a such as sensitivity, selectivity, response time noise intimately related chosen for membranes, conductive electrolytes, active electrocatalysts, well choice effective operating conditions....
Microelectromechanical systems (MEMS) are a foundation for broad range of mechanical, chemical, optical, and biotech products (sensors, microstructures actuators) fabricated as integrated circuits on (primarily) silicon wafers in batch mode. Commercial MEMS include pressure sensors, acceleration gyros, ink-jet nozzles, read-write head positioners hard drives, digital light processors (DLPs) projectors television sets. The first four decades development created US$8 billion market. During the...
Current sensor devices for the detection of methane or natural gas emission are either expensive and have high power requirements fail to provide a rapid response.
Abstract Micro-thermal conductivity detector (µTCD) gas sensors work by detecting changes in the thermal of surrounding medium and are used as detectors many applications such chromatography systems. Conventional TCDs use steady-state resistance (i.e., temperature) measurements a micro-heater. In this work, we developed new measurement method hardware configuration based on processing transient response low mass TCD to an electric current step. The was implemented for 100-µm-long 1-µm-thick...
Abstract Sequential CVD and CMOS processes were used to make a FET that has single walled carbon nanotubes serve as the conducting source drain channel. This structure can be decorated provide gas liquid responses herein is evaluated humdity sensor. The Na + , K Ca 2+ ion‐exchanged Nafion polymer acts chemically sensitive layer in this electrochemical effect of gate voltage on charge‐sensitive NT was found RH dependent over range 12–93% with msec response time.
Abstract Two types of sensing devices have been studied in order to elucidate the mechanism response amperometric gas sensors. A high‐surface‐area electrode (HSAE) sensor produces fast reactions, and steady‐state signals are controlled either by permeation or supply analyte sensor. For low‐surface‐area (LSAE) sensors, a kinetically signal is observed. that involves “chemically” induced changes gold surface oxide coverage proposed, activation energy for NO 2 reduction at electrocatalyst...