title: Design and evaluation of a device for collecting exhaled breath condensate.
abstract: In recent years, the analysis of exhaled breath condensate samples has been given great weight as a noninvasive methodology of studying physiology and lung diseases. The present study describes a device for measuring exhaled breath condensate that is affordable, easily constructed, portable and suitable for use in the field, as well as allowing the collection of simultaneous samples. The results obtained with this device in terms of the concentrations of pH, peroxide oxide and nitrite, metabolites related to inflammatory and oxidative damage, in exhaled breath condensate samples are comparable to those obtained with other devices previously described.
authors.affiliation: Facultad de Medicina, Universidad Mayor, Santiago, Chile. oscar.aranedav@mayor.cl
authors.forename: Oscar Florencio Araneda
authors.initials: OF
authors.lastname: Valenzuela
authors.forename: Maria Paulina Salazar
authors.initials: MP
authors.lastname: Encina
mesh_terms: D000328:Adult; D001944:Breath Tests / Q000295:instrumentation*; D004867:Equipment Design; D045853:Exhalation / Q000502:physiology*; D006801:Humans; D006861:Hydrogen Peroxide / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D009573:Nitrites / Q000032:analysis; D015203:Reproducibility of Results; D055815:Young Adult
chemical_list: D009573:Nitrites; D006861:Hydrogen Peroxide