NDLI: Biomedical Applications of CO 2 Laser Photoacoustic Spectroscopy

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Biomedical Applications of CO 2 Laser Photoacoustic Spectroscopy

Content Provider	Semantic Scholar
Author	Popa, Cristina Petrus, Mioara Bratu, Ana Maria
Copyright Year	2015
Abstract	Breath biomarker analysis is an attractive field for non-invasive diagnosis of serious diseases. Collecting breath samples is preferred to direct measurement of blood samples, because it is extremely simple (in the gas phase than in a complex biological media such as blood), painless, non-invasive and contamination is easily avoided. Biomarker analysis in exhaled breath may be the most simple, rapid and safest way to accurately determine the stage or the severity of a disease. Although numerous biomarkers have been identified so far, very little is known about their origin, if they are metabolic or not (e.g. ethylene biomarker is a product of oxidative stress of linoleic acid and can assess free radical damage). Exhaled breath contains hundreds of volatile organic compounds that can be attributed to either exogenous or endogenous volatiles. The determination of the gas compounds was investigated using a CO2 laser photoacoustic system / CO2 LPAS, a well known method in the field of trace gas detection, used in our study for quantitative determination of biomarkers from the breath of young adults with autism, patients with schizophrenia and patients kidney failure. Key-Words: biomedical applications, biomarkers, spectroscopy, autism, kidney failure, schizophrenia
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.wseas.us/e-library/conferences/2015/Seoul/BIO/BIO-10.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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