Sökning: "breath sampling"

Visar resultat 1 - 5 av 12 avhandlingar innehållade orden breath sampling.

  1. 1. Real-time breath gas analysis of carbon monoxide laser-based detection and pulmonary gas exchange modeling

    Detta är en avhandling från Umeå : Umeå University

    Författare :Ramin Ghorbani; Umeå universitet.; [2018]
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; carbon monoxide CO ; pulmonary gas exchange; computational modeling; real-time breath gas analysis; single-exhalation profile; laser absorption spectroscopy; nonlinear least-squares fitting; breath sampling; baseline level; diurnal variation; healthy population; exposure study; fysik; Physics; Physiology; fysiologi;

    Sammanfattning : Breath gas analysis is a promising approach for non-invasive medical diagnostics and physiological monitoring. Real-time, breath-cycle resolved biomarker detection facilitates data interpretation and has the potential to improve the diagnostic value of breath tests as exhalation profiles carry spatiotemporal information about biomarker origin and gas exchange in the respiratory tract. LÄS MER

  2. 2. From Macro to Nano Electrokinetic Transport and Surface Control

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Gaspard Pardon; KTH.; [2014]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; microsystem; nanosystem; microfluidic; nanofluidic; surface modification; surface property; electrokinetics; model; simulation; material; polymer; thiol-ene; microfabrication; nanofabrication; micromanufacturing; nanomanufacturing; breath sampling; aerosol precipitation; corona discharge; electrostatic precipitation; grafting chemistry; click chemistry; nanopore; nanoporous membrane; photolithography; photopatterning; photografting; microfluidics; nanofluidics; oste; OSTE ; OSTEmer; lab-on-chip; loc; point-of-care; poc; biocompatibility; diagnostics; breath analysis; fuel cell; Electrical Engineering; Elektro- och systemteknik; Materials Science and Engineering; Teknisk materialvetenskap; Physics; Fysik; Medicinsk teknologi; Medical Technology;

    Sammanfattning : Today, the growing and aging population, and the rise of new global threats on human health puts an increasing demand on the healthcare system and calls for preventive actions. To make existing medical treatments more efficient and widely accessible and to prevent the emergence of new threats such as drug-resistant bacteria, improved diagnostic technologies are needed. LÄS MER

  3. 3. Determination of benzene in urine and breath for monitoring of benzene exposure

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Göran Ljungkvist; Göteborgs universitet.; Gothenburg University.; [2001]
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Biological monitoring; benzene; breath; urine; dynamic headspace; membrane; gas chromatography; mass spectrometry; thermal desorption;

    Sammanfattning : The aim of this work was to develop and validate methods for determination of unmetabolized benzene in breath and urine. The methods were intended for the bio monitoring of benzene to assess both occupational and environmental exposure.A method was developed for the determination of benzene in end-exhaled air. LÄS MER

  4. 4. An electrostatic sampling device for point-of-care detection of bioaerosols

    Detta är en avhandling från KTH Royal Institute of Technology

    Författare :Laila Ladhani; KTH.; [2018]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; electrostatic sampling; bioaerosols; point-of-care; breath sampling; electrostatic precipitation; microfluidic collection; corona discharge; air sampling; non-invasive diagnostics; exhaled breath analysis; on-site detection; aerosol sampling; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Bioaerosols are not only a significant factor of air quality but contribute greatly to the spread of infectious diseases, specifically through expired pathogen-laden aerosols. Clear examples of airborne transmission include: the recent influenza pandemic of 2009, the ongoing tuberculosis epidemic, and yearly norovirus out- breaks, which affect millions of people worldwide and pose serious threats to public healthcare systems. LÄS MER

  5. 5. Integrating Biosensors for Air Monitoring and Breath-Based Diagnostics

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Niklas Sandström; KTH.; [2015]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The air we breathe is the concern of all of us but nevertheless we only know very little about airborne particles, and especially which biological microorganisms they contain. Today, we live in densely populated societies with a growing number of people, making us particularly vulnerable to air transmission of pathogens. LÄS MER