Electronic nose

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An electronic nose is a device intended to detect odors or flavors.

Over the last decade, “electronic sensing” or “e-sensing” technologies have undergone important developments from a technical and commercial point of view. The expression “electronic sensing” refers to the capability of reproducing human senses using sensor arrays and pattern recognition systems. Since 1982, research has been conducted to develop technologies, commonly referred to as electronic noses, that could detect and recognize odors and flavors. The stages of the recognition process are similar to human olfaction and are performed for identification, comparison, quantification and other applications. However, hedonic evaluation is a specificity of the human nose given that it is related to subjective opinions. These devices have undergone much development and are now used to fulfill industrial needs.

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News tagged with electronic nose

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Researchers develop revolutionary technology for manufacturing micro-scale devices

Technology / Engineering

created Dec 22, 2009 | popularity 4 / 5 (3) | comments 0

(PhysOrg.com) -- Cranfield University has developed new technology that could significantly reduce the manufacturing costs of complex devices such as electronic noses that sniff out explosives and dangerous chemicals and ...


The 'e-Nose': Scientists try to develop an electronic sniffer

The 'e-Nose': Scientists try to develop an electronic sniffer

Chemistry / Analytical Chemistry

created Nov 02, 2009 | popularity 4 / 5 (1) | comments 1

Sniff, sniff, sniff -- Yum! Sniff, sniff, sniff -- Oh, yuck!!! For almost 25 years, chemists and other scientists have tried to build a machine that can do exactly that.


Electronic nose sniffs out toxins

Electronic nose sniffs out toxins

Chemistry / Biochemistry

created Sep 13, 2009 | popularity not rated yet | comments 0

Imagine a polka-dotted postage stamp-sized sensor that can sniff out some known poisonous gases and toxins and show the results simply by changing colors.


Electronic Nose to Return from Space Station

Electronic Nose to Return from Space Station (w/ Video)

Space & Earth / Space Exploration

created Sep 11, 2009 | popularity 4 / 5 (2) | comments 0

(PhysOrg.com) -- Sniffing out any potential contaminants on the International Space Station where it was stationed for the last six months, the JPL-built electronic nose, or ENose, is homeward bound.


Advance toward an 'electronic tongue' with a taste for sweets

Advance toward an 'electronic tongue' with a taste for sweets

Chemistry / Analytical Chemistry

created Aug 17, 2009 | popularity not rated yet | comments 1

In a new approach to an effective "electronic tongue" that mimics human taste, scientists in Illinois are reporting development of a small, inexpensive, lab-on-a-chip sensor that quickly and accurately identifies ...


E-Noses: Testing their mettle against fly noses

E-Noses: Testing their mettle against fly noses

Chemistry / Biochemistry

created Jul 29, 2009 | popularity 3 / 5 (1) | comments 0

(PhysOrg.com) -- Scientists from CSIRO's Food Futures Flagship have made a breakthrough in efforts to extend the sensory range of 'electronic noses' (e-noses) by developing a system for comparing their performance ...


Electronic nose created to detect skin vapours

Electronic nose created to detect skin vapours

Chemistry / Analytical Chemistry

created Jul 22, 2009 | popularity not rated yet | comments 1

A team of researchers from the Yale University (United States) and a Spanish company have developed a system to detect the vapours emitted by human skin in real time. The scientists think that these substances, ...


NASA's ENose can sense brain cancer cells

Medicine & Health / Cancer

created Apr 30, 2009 | popularity 4 / 5 (1) | comments 1

(PhysOrg.com) -- An unlikely multidisciplinary scientific collaboration has discovered that an electronic nose developed for air quality monitoring on Space Shuttle Endeavour can also be used to detect odour differences in ...


Nanosensor Arrays 'Smell' Cancer

Nanotechnology / Bio & Medicine

created Apr 27, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- In 2006 researchers established that dogs could detect cancer by sniffing the exhaled breath of cancer patients. Now, using nanoscale arrays of detectors, two groups of investigators have shown that a compact ...


Electronic nose sniffs hazards

Electronic nose sniffs hazards

Technology / Engineering

created Mar 09, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- An advanced sensor technique and data processing used to monitor air conditioning inside space stations is now being used in an innovative fire protection system for Stockholm’s metro system.


Sniffing Out a Better Chemical Sensor

Sniffing Out a Better Chemical Sensor

Chemistry / Analytical Chemistry

created Oct 29, 2008 | popularity 4.8 / 5 (14) | comments 0

(PhysOrg.com) -- Marrying a sensitive detector technology capable of distinguishing hundreds of different chemical compounds with a pattern-recognition module that mimics the way animals recognize odors, researchers ...