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Abstract
Extensive research shows that there is a close correlation between a disease diagnostic and the patient’s exhale breath gas composition. It has been demonstrated, for example, that patients with a diabetes diagnosis have a certain level of acetone fume in their exhale breath. Actually, symptoms from many other diseases could be easily diagnosed if appropriate and reliable gas sensing technologies are available. The COVID-19 pandemic has created demand for a cheap and quick screening tool for the disease, where breath biomarker screening could be a very promising approach. It has been shown that COVID-19 patients potentially present a simultaneous increase in ethanal (acetaldehyde) and acetone in their exhale breath. In this paper, we explore two different sensing approaches to detect ethanal/acetone, namely by colorimetric markers, which could for example be integrated into facemasks, and by a breathalyzer containing a functionalized quartz crystal microbalance. Both approaches can successfully detect the presence of a biomarker gas on a person’s breath and this could potentially revolutionize the future of healthcare in terms of non-invasive and early-stage detection of various diseases.
Original language | English |
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Article number | 167 |
Journal | Chemosensors |
Volume | 10 |
Issue number | 5 |
Number of pages | 13 |
ISSN | 2227-9040 |
DOIs | |
Publication status | Published - May 2022 |
Keywords
- colorimetric sensing
- COVID-19 detection
- gas biomarker sensing
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- 1 Finished
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Mask 2.0 - Smart materials based facemask upgrading for improved viral protection
de Oliveira Hansen, R. (PI), Mishra, Y. K. (Project participant), Rubahn, H.-G. (Project participant), Abolhassani, R. (Project participant), Mirsafi, F. S. (Project participant), Rai, C. (Project participant), Sadat Sharmin , R. (Project participant), Barua, A. (Project participant) & Kavianynejad, K. (Project participant)
01/02/2021 → 31/12/2021
Project: Private Foundations