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

de Lacy Costello, Ben; Ratcliffe, Norman M.; Richards, Mary; Ewen, R. J.

Abstract

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. © 2008 IOP Publishing Ltd.

• Journal Article Type: Article
• Publication Date: Sep 1, 2008
• Journal: Journal of Breath Research
• Print ISSN: 1752-7155
• Electronic ISSN: 1752-7163
• Publisher: IOP Publishing
• Peer Reviewed: Peer Reviewed
• Volume: 2
• Issue: 3
• Pages: 037017
• DOI: https://doi.org/10.1088/1752-7155/2/3/037017
• Keywords: 87.85.Ng biological signal processing, 07.07.Df sensors (chemical, optical, electrical, movement, gas, etc.), remote sensing, 87.19.U- Hemodynamics, 07.20.Dt Thermometers, 85.60.Jb light-emitting devices, electronics and devices, instrumentation and measu
• Public URL: https://uwe-repository.worktribe.com/output/1010110
• Publisher URL: http://dx.doi.org/10.1088/1752-7155/2/3/037017
• Related Public URLs: http://iopscience.iop.org/1752-7163/2/3/037017?fromSearchPage=true