نتایج جستجو برای: breath analysis
تعداد نتایج: 2839758 فیلتر نتایج به سال:
Early detection of lung cancer is a key factor for increasing the survival rates of lung cancer patients. The analysis of exhaled breath is promising as a noninvasive diagnostic tool for diagnosis of lung cancer. We demonstrate the quantitative analysis of carbonyl volatile organic compounds (VOCs) and identification of lung cancer VOC markers in exhaled breath using unique silicon microreactor...
Various volatile organic compounds (VOCs) in breath exhaled by patients with lung cancer, healthy controls, and patients with lung cancer who underwent surgery for resection of cancer were analyzed by gas condenser-equipped gas chromatography-mass spectrometry (GC/MS) for development of an exhaled breath monitoring prototype system involving metal oxide gas sensors, a gas condenser, and gas chr...
The analysis of human breath has been driven to new heights and has great potential to impact our society in the area of medical science. Breath analysis is promising as non-invasive, simple and point-of-care clinical measurements to reduce the medical burden caused by invasive, time-consuming and expensive clinical devices. Spectroscopic techniques for breath analysis can offer information to ...
BACKGROUND Analysis of exhaled breath, especially of volatile organic compounds (VOCs), is of increasing interest in the diagnosis of lung cancer. Compared with other methods of breath analysis, ion mobility spectrometry (IMS) offers a tenfold higher detection rate of VOCs. By coupling the ion mobility spectrometer with a multicapillary column as a pre-separation unit, IMS offers the advantage ...
Biomarkers in chronic obstructive pulmonary disease may be useful in aiding diagnosis, defining specific phenotypes of disease, monitoring exacerbations and evaluating the effects of drugs. Exhaled breath condensate is a noninvasive means of sampling the airways, allowing biomarkers of airway inflammation and oxidative stress to be measured. In the present review, the use of exhaled breath cond...
Background: Analysis of exhaled breath, especially of volatile organic compounds (VOCs), is of increasing interest in the diagnosis of lung cancer. Compared to other methods of breath analysis, ion mobility spectrometry (IMS) offers a ten-fold higher detection rate of VOCs. By coupling the ion mobility spectrometer with a multi-capillary column as a pre-separation unit, IMS offers the advantage...
a comparative analysis of sociological situation and cinematic representation in iranian movies from the 80s: a case study of deep breathmaryam sadat naghibi esfahani, hasan ali pourmand, mahdi keshavarz afsharma student, tarbiat modares university, tehran, [email protected] professor, tarbiat modares university, tehran, [email protected] professor, tarbiat modar...
1 | D U I Breath Alcohol Testing Dubowski KM. Breath analysis as a technique in clinical chemistry. Clin Chem 1974;20(8):966-72. Dubowski KM. Absorption, distribution and elimination of alcohol: highway safety aspects. J Stud Alcohol Suppl 1985; 10:98-108 Dubowski KM. The Technology of Breath-Alcohol Analysis. National Institute of Alcohol Abuse and Alcoholism 1991; n/a:42 Forney RB, Hughes FW,...
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