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Polymers with embedded chemical indicators as an artificial olfactory mucosa
University Roma Tor Vergata.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics . Linköping University, The Institute of Technology.
University Roma Tor Vergata.
University Roma Tor Vergata.
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2010 (English)In: ANALYST, ISSN 0003-2654, Vol. 135, no 6, 1245-1252 p.Article in journal (Refereed) Published
Abstract [en]

Physiological investigations suggest that the olfactory mucosa probably plays an ancillary role in the recognition of odours introducing a sort of chromatographic separation that, together with the zonal distribution of olfactory receptors, gives place to selective spatio-temporal response patterns. It has been recently suggested that this behaviour may be simulated by chemical sensors embedded in continuous polymer layers. In this paper, in analogy to the biology of olfaction, a simple and compact platform able to separate and detect gases and vapours on the basis of their diffusion properties is proposed. In such a system, broadly selective colour indicators, such as metalloporphyrins, are embedded in continuous layers of polymers with different sorption properties. The exposure to various alcohols and amines shows that the porphyrins are mainly responsible for the recognition of the molecular family, while the occurring spatio-temporal signal patterns make possible the identification of the individual chemical species.

Place, publisher, year, edition, pages
Royal Society of Chemistry , 2010. Vol. 135, no 6, 1245-1252 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-57182DOI: 10.1039/c0an00037jISI: 000278011800011OAI: oai:DiVA.org:liu-57182DiVA: diva2:323527
Available from: 2010-06-11 Created: 2010-06-11 Last updated: 2010-06-11

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Filippini, DanielLundström, Ingemar

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