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Journal of Biomedical Optics

Infrared spectroscopy study of the influence of inhaled vapors/smoke produced by cigarettes of active smokers
Author(s): Cristina Popa
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Paper Abstract

While much is known about the effect of smoke and vapors on the composition of blood, little is known about their impact on the composition of breath. When tobacco from traditional cigarettes (T) is burned, it produces harmful smoke compared with the vapor produced when using electronic cigarettes (E). Using a noninvasive, safe, and rapid CO2 laser-photoacoustic method, this study aimed to examine the ethylene changes at different time intervals in the exhaled breath composition of E-cigarette smokers and T-cigarette smokers, before and after the consecutive exposures to cigarettes. Oxidative stress from exposure to tobacco smoke has a role in the pathogenic process, leading to chronic obstructive pulmonary disease. The evidence on the mechanisms by which T-smoking causes damage indicates that there is no risk-free level of exposure to tobacco smoke. The study revealed that the ethylene level (in the E-cigarette smoker’s case) was found to be in smaller concentrations (compared with T-cigarette smoker’s case) and that E-cigarettes may provide an alternative to T-cigarette smoking.

Paper Details

Date Published: 27 October 2014
PDF: 5 pages
J. Biomed. Opt. 20(5) 051003 doi: 10.1117/1.JBO.20.5.051003
Published in: Journal of Biomedical Optics Volume 20, Issue 5
Show Author Affiliations
Cristina Popa, National Institute for Laser, Plasma and Radiation Physics (Romania)
Univ. Politehnica of Bucharest (Romania)


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