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Analysis of Human Breath by Millimeter-Wave/Terahertz Spectroscopy

Rothbart, Nick and Holz, Olaf and Koczulla, Rembert and Schmalz, Klaus and Hübers, Heinz-Wilhelm (2019) Analysis of Human Breath by Millimeter-Wave/Terahertz Spectroscopy. Sensors, 19 (12). Multidisciplinary Digital Publishing Institute (MDPI). DOI: 10.3390/s19122719 ISSN 1424-8220

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Official URL: https://www.mdpi.com/1424-8220/19/12/2719


Breath gas analysis is a promising tool for medical research and diagnosis. A particularly powerful technological approach is millimeter-wave/terahertz (mmW/THz) spectroscopy, because it is a very sensitive and highly selective technique. In addition, it offers the potential for compact and affordable sensing systems for wide use. In this work, we demonstrate the capability of a mmW/THz spectrometer for breath analysis. Samples from three volunteers and a sample from ambient air were analyzed with respect to 31 different molecular species. High-resolution absorption spectra were measured by scanning two absorption lines from each species. Out of the 31, a total of 21 species were detected. The results demonstrate the potential of mmW/THz spectroscopy for breath analysis.

Item URL in elib:https://elib.dlr.de/128095/
Document Type:Article
Title:Analysis of Human Breath by Millimeter-Wave/Terahertz Spectroscopy
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rothbart, NickNick.Rothbart (at) dlr.deUNSPECIFIED
Holz, OlafClinical Airway Research, Fraunhofer ITEM, HannoverUNSPECIFIED
Koczulla, RembertSchön Klinik Berchetsgadener LandUNSPECIFIED
Schmalz, Klausihp frankfurtUNSPECIFIED
Hübers, Heinz-WilhelmHeinz-Wilhelm.Huebers (at) dlr.deUNSPECIFIED
Date:17 June 2019
Journal or Publication Title:Sensors
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
DOI :10.3390/s19122719
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
Keywords:Atemgasanalyse, Millimeterwellen, Terahertz, Spektroskopie, Molekülspektroskopie, Gassensor
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems > Terahertz and Laser Spectroscopy
Deposited By: Rothbart, Nick
Deposited On:27 Jun 2019 09:08
Last Modified:14 Dec 2019 04:27

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