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- Schmidt, Florian M.Umeå universitet,Institutionen för tillämpad fysik och elektronik (author)
Optical spectroscopy
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- Article/chapterEnglish2020
Publisher, publication year, extent ...
- Elsevier,2020
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:umu-175300
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-175300URI
- https://doi.org/10.1016/B978-0-12-819967-1.00014-1DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Optical spectroscopy is widely used for quantitative detection of small molecules in complex gas matrices. Employing a laser as a light source enables highly sensitive, selective, and accurate trace gas analysis in exhaled breath without the need for frequent calibration. Many volatile species with direct physiological relevance, especially small molecules such as CO2, CO, NO, CH4, NH3, HCN, C2H4, and their isotopoloques, can be measured with high time resolution using compact optical analyzers. Thus, laser-based sensors are an important complement to other analytical platforms and contribute to establishing breath gas analysis in the clinical practice. This chapter introduces the basics of optical spectroscopy and describes the most relevant techniques currently used in the field, such as nondispersive, laser absorption, and photoacoustic spectroscopy. Successful applications of optical methods are presented, and the future prospects are discussed. Owing to the advent of novel light sources, such as quantum cascade lasers and optical frequency combs, spectroscopy will continue to play a significant role in breath gas analysis.
Subject headings and genre
- NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
- NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
- TEKNIK OCH TEKNOLOGIER Medicinteknik Medicinsk laboratorie- och mätteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Medical Engineering Medical Laboratory and Measurements Technologies hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Fysiologi hsv//swe
- MEDICAL AND HEALTH SCIENCES Basic Medicine Physiology hsv//eng
- Absorption
- Laser
- Online sampling
- Quantitative measurement
- Real-time analysis
- Spectroscopy
Added entries (persons, corporate bodies, meetings, titles ...)
- Metsälä, Markus (author)
- Apolonski, Alexander (author)
- Cristescu, Simona M. (author)
- Umeå universitetInstitutionen för tillämpad fysik och elektronik (creator_code:org_t)
Related titles
- In:Breathborne biomarkers and the human volatilome: Elsevier, s. 221-23897801281996719780128223970
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