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Latest Electronic nose Stories

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2009-12-21 09:02:50

The use of an electronic smelling system capable of discriminating which tomatoes, melons or other products have a more attractive aroma is a particularly valuable aid for agro-food firms. However, existing electronic noses do not "smell" in the same way depending on the laboratory conditions, and these conditions change throughout the day and from one day to another. In order to overcome these fluctuations, researchers from the Agro-Food Quality Improvement Group at the Universitat Jaume I...

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2009-07-29 09:55:00

"Although e-noses already have many uses "“ such as detecting spoilage in the food industry and monitoring air quality "“ they are not as discriminating as biological noses," according to CSIRO scientist, Dr Stephen Trowell."Our efforts to improve e-noses recently received a boost following our development of a new system which enables us to compare technical sensors with biological sensors."We looked at how the most common type of e-nose sensors "“ metal oxide or...

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2009-07-21 17:55:00

A team of researchers from the Yale University (United States) and a Spanish company have developed a system to detect the vapors emitted by human skin in real time. The scientists think that these substances, essentially made up of fatty acids, are what attract mosquitoes and enable dogs to identify their owners."The spectrum of the vapors emitted by human skin is dominated by fatty acids. These substances are not very volatile, but we have developed an 'electronic nose' able to detect...

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2009-03-09 11:35:00

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. This technique, called the "Ëœelectronic nose', was developed for ESA in the 1990s as a contribution to the Russian MIR program to ensure constant monitoring of the air inside the MIR space station. The system was successfully completed and operated on the 1995 and 1997 MIR missions, and proved...

2008-09-09 03:00:09

By Schiffman, Susan S Graham, Brevick G; Williams, C Mike ABSTRACT The effectiveness of 18 alternative technologies for reducing odor dispersion at and beyond the boundary of swine facilities was assessed in conjunction with an initiative sponsored through agreements between the Attorney General of North Carolina and Smithfield Foods, Premium Standard Farms, and Frontline Farmers. The trajectory and spatial distribution of odor emitted at each facility were modeled at 200 and 400 m downwind...

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2005-10-20 14:35:00

An unusual device that uses trained wasps, rather than trained dogs, to detect specific chemical odors could one day be used to find hidden explosives, plant diseases, illegal drugs, cancer and even buried bodies, according to a joint study by researchers at the University of Georgia and U.S. Department of Agriculture. The trained wasps are contained in a cup-sized device, called a "Wasp Hound," that is capable of sounding an alarm or triggering a visual signal, such as a flashing light,...

2004-11-25 03:00:11

ONBOARD THE SPACE STATION, ammonia is a good thing. It flows through pipes, carrying heat generated inside the station outside to space. Ammonia helps keep the station habitable. It is also poisonous. If it leaks, astronauts need to know quickly. The problem is ammonia becomes dangerous at a concentration of a few parts per million (ppm). Humans, however, can't sense it until it reaches about 50 ppm. On the shuttle and space station ammonia is just one of about 40 or 50 necessary...


Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'