The characteristics of novel low-cost sensors for volatile biomarker detection

For breath analyses, volatile detectors capable of sensing extremely low concentrations in the sub-ppm range are required. Novel room temperature sensors were fabricated based on ultraviolet light activation of nanoparticulate metal oxide surfaces using light emitting diodes. These sensors gave reve...

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Bibliographic Details
Published in:Journal of breath research 2008-09, Vol.2 (3), p.037017-037017
Main Authors: de Lacy Costello, B P J, Ewen, R J, Ratcliffe, N M, Richards, M
Format: Article
Language:English
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Summary:For breath analyses, volatile detectors capable of sensing extremely low concentrations in the sub-ppm range are required. Novel room temperature sensors were fabricated based on ultraviolet light activation of nanoparticulate metal oxide surfaces using light emitting diodes. These sensors gave reversible electrical resistance changes in the low ppm/ppb range to volatile organic compounds found in breath, including acetone, acetaldehyde, pentane and ethanol.
ISSN:1752-7163
1752-7155
1752-7163
DOI:10.1088/1752-7155/2/3/037017