Evaluation of unpleasant odor with a portable electronic nose

Fuchs, Sophie; Strobel, Pascal; Siadat, Maryam; Lumbreras, Martine

doi:10.1016/j.msec.2007.10.066

Cited by 33 publications

(19 citation statements)

References 9 publications

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“…In such cases, placement of electronic noses in places with rich sources of known volatile organic compounds is more logical. For instance, in Reference [63] e-noses show a correlation between evolution of the odor with animal activities during the day and with their age around the farm.…”

Section: Technologies For Eulerian Approachmentioning

confidence: 99%

Sensing Solutions for Collecting Spatio-Temporal Data for Wildlife Monitoring Applications: A Review

Baratchi

Meratnia

Havinga

et al. 2013

Sensors

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Movement ecology is a field which places movement as a basis for understanding animal behavior. To realize this concept, ecologists rely on data collection technologies providing spatio-temporal data in order to analyze movement. Recently, wireless sensor networks have offered new opportunities for data collection from remote places through multi-hop communication and collaborative capability of the nodes. Several technologies can be used in such networks for sensing purposes and for collecting spatio-temporal data from animals. In this paper, we investigate and review technological solutions which can be used for collecting data for wildlife monitoring. Our aim is to provide an overview of different sensing technologies used for wildlife monitoring and to review their capabilities in terms of data they provide for modeling movement behavior of animals.

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Section: Technologies For Eulerian Approachmentioning

confidence: 99%

Sensing Solutions for Collecting Spatio-Temporal Data for Wildlife Monitoring Applications: A Review

Baratchi

Meratnia

Havinga

et al. 2013

Sensors

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“…E-Nose results showed an evolution of the odour with animal activities during the day and with their age [167]. …”

Section: Olfactometry and E-noses: Comparison And Integrated Approachmentioning

confidence: 99%

Odour Detection Methods: Olfactometry and Chemical Sensors

Brattoli

Gennaro

Pinto

et al. 2011

Sensors

191

134

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The complexity of the odours issue arises from the sensory nature of smell. From the evolutionary point of view olfaction is one of the oldest senses, allowing for seeking food, recognizing danger or communication: human olfaction is a protective sense as it allows the detection of potential illnesses or infections by taking into account the odour pleasantness/unpleasantness. Odours are mixtures of light and small molecules that, coming in contact with various human sensory systems, also at very low concentrations in the inhaled air, are able to stimulate an anatomical response: the experienced perception is the odour. Odour assessment is a key point in some industrial production processes (i.e., food, beverages, etc.) and it is acquiring steady importance in unusual technological fields (i.e., indoor air quality); this issue mainly concerns the environmental impact of various industrial activities (i.e., tanneries, refineries, slaughterhouses, distilleries, civil and industrial wastewater treatment plants, landfills and composting plants) as sources of olfactory nuisances, the top air pollution complaint. Although the human olfactory system is still regarded as the most important and effective “analytical instrument” for odour evaluation, the demand for more objective analytical methods, along with the discovery of materials with chemo-electronic properties, has boosted the development of sensor-based machine olfaction potentially imitating the biological system. This review examines the state of the art of both human and instrumental sensing currently used for the detection of odours. The olfactometric techniques employing a panel of trained experts are discussed and the strong and weak points of odour assessment through human detection are highlighted. The main features and the working principles of modern electronic noses (E-Noses) are then described, focusing on their better performances for environmental analysis. Odour emission monitoring carried out through both the techniques is finally reviewed in order to show the complementary responses of human and instrumental sensing.

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“…The structure can be heated up to 300 • C in less than 10 s. The detection system is made of an inexpensive tin oxide sensor (TGS 2620, Figaro, Japan) and the correspondent electronics coupled to computer storage data. This sensor had already been used for VOCs detection [40] and in electronic nose development [41,42].…”

Section: Device Manufacturing Assembling and Testingmentioning

confidence: 99%