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Fluctuation-Enhanced Sensing with Organically Functionalized Gold Nanoparticle Gas Sensors Targeting Biomedical Applications
Abstract
Detection of volatile organic compounds is a useful approach to non-invasive diagnosis of diseases through breath analysis. Our experimental study presents a newly developed prototype gas sensor, based on organically-functionalized gold nanoparticles, and results on formaldehyde detection using fluctuation-enhanced gas sensing. Formaldehyde was easily detected via intense fluctuations of the gas sensor’s resistance, while the cross-influence of ethanol vapor (a confounding factor in exhaled breath, related to alcohol consumption) was negligible.
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Authors (8)
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Umut Cindemir
- Uppsala University Department of Engineering Sciences, The Ångström Laboratory
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Zareh Topalian
- Uppsala University Department of Engineering Sciences, The Ångström Laboratory
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Claes Goran Granqvist
- Uppsala University Department of Engineering Sciences, The Ångström Laboratory
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Raul Calavia
- Rovira i Virgily University Department of Electronics
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Radu Ionescu
- Rovira i Virgily University Department of Electronics
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
TALANTA.The International Journal of Pure and Applied Analytical Chemistry
no. 160,
pages 9 - 14,
ISSN: 0039-9140 - Publication year:
- 2016
- Bibliographic description:
- Lentka Ł., Kotarski M., Smulko J., Cindemir U., Topalian Z., Granqvist C., Calavia R., Ionescu R.: Fluctuation-Enhanced Sensing with Organically Functionalized Gold Nanoparticle Gas Sensors Targeting Biomedical Applications// TALANTA. -Vol. 160, (2016), s.9-14
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.talanta.2016.06.063
- Verified by:
- Gdańsk University of Technology
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