Noninvasive measurement of trace gases such as nitric oxide (NO) in exhaled human breath can provide useful information for diagnosis and treatment of a variety of diseases. A mid-IR tunable diode laser absorption spectrometer (TDLAS) was employed to monitor NO and CO2 in exhaled breath. Preliminary results using this technique demonstrated a correlation between above-normal levels of exhaled-NO with asthma and airway inflammation. Nitric oxide quantification was achieved by simultaneously measuring NO and CO2 in breath over a single exhalation. Calculated NO concentrations agreed well with reported values for asthmatic and non-asthmatic individuals.


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    Titel :

    Exhaled Nitric Oxide Measured Using Mid-Infrared Spectroscopy


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    James, Jeffers (Autor:in) / Grego, Joe (Autor:in) / Khosrow, Namjou (Autor:in) / McCann, Patrick J. (Autor:in) / Chad, Roller (Autor:in) / Potter, William (Autor:in)

    Kongress:

    International Conference On Environmental Systems ; 2002



    Erscheinungsdatum :

    15.07.2002




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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