Exhaled breath condensate (EBC) is the exhalate from breath, that has been condensed, typically via cooling using a collection device (commonly to 4 °C or subzero temperatures using a refrigerating device).[1] EBC reflects changes in the respiratory fluid that lines the airways and is an inexpensive, non-invasive tool that has potential for scientific research. Despite its promises, it has not been proven for screening or diagnosing diseases of the lung and other conditions, yet. It has long been appreciated that the exhaled breath is saturated by water vapour (e.g. by wind musical instrument players), but using it for studies of the lung was probably first described in the Russian scientific literature.[2]
^Liu, J., Conrad, D. H., Chow, S., Tran, V. H., Yates, D. H., & Thomas, P. S. (2007) Collection devices influence the constituents of exhaled breath condensate. Eur Respir J, 30(4), 807–808.
^Sidorenko, G. I., E. I. Zborovskii, et al. (1980). "[Surface-active properties of the exhaled air condensate (a new method of studying lung function)]." Ter Arkh 52(3): 65–8
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