In this article we discuss the method of early diagnosis of bronchopulmonary diseases based on the analysis of absorption spectra of biomarkers in the human exhaled air. For the analysis of absorption spectra of human exhaled air gas analyzer based on laser photo-acoustic spectroscopy (LPAS) was designed. A method for analysis of exhaled air samples from patients with lung cancer in comparison with the target and comparison group by LPAS was developed. This work is promising for screening of lung cancer.

Topics
Acoustic spectroscopy, Absorption spectroscopy, Organs
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