Search for dissertations about: "exhaled particles"
Showing result 1 - 5 of 14 swedish dissertations containing the words exhaled particles.
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1. Analysis of Endogenous Particles in Exhaled Air
Abstract : Exhaled air contains non-volatile particulate material from the respiratory tract. The precise location in which exhaled particles are formed is unknown, and details on their chemical content are scarce. The aim of this work was to chemically characterize and to study the mechanisms of formation of endogenous particles in exhaled air. READ MORE
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2. On the Formation and Physical Behaviour of Exhaled Particles
Abstract : Aerosol particles are generated in human airways and leave the body with exhaled air. The particles originate from the respiratory tract and contain non-volatile compoundsthat potentially may be used as biomarkers for various medical conditions. To utilise any information provided by the particles, they must be characterised. READ MORE
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3. Fine and Ultrafine Particles from Combustion Sources - Investigations with In-situ Techniques
Abstract : Fine airborne particles are associated with adverse health effects in the human population. The aim of this research was to develop and evaluate methods for in-situ characterisation of fine and ultrafine particles and to determine their deposition in the human airways. READ MORE
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4. Exploring small airways using breath analyses
Abstract : Background: Airway irritants such as allergens, tobacco smoke and viruses may cause damage in the small airways, usually undetected with routine diagnostic methods. Analyses of endogenously produced nitric oxide (NO) and endogenously produced small droplets (i.e. READ MORE
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5. Oropharyngeal origin of markers in exhaled breath
Abstract : Normal NO formation in the human airways occurs primarily in the nasal airways, where it is catalyzed by inducible NO synthase (iNOS), and in the oropharyngeal tract, via as yet not fully defined pathways. This NO can be detected in exhaled breath and when inflammation is present in the airways, for example in asthma, the concentration of NO is increased. READ MORE