Asger W Nørgaard

Summary

Affiliation: National Research Centre for the Working Environment
Country: Denmark

Publications

  1. doi request reprint Formation and stability of secondary ozonides from monoterpenes studied by mass spectrometry
    Anni Vibenholt
    National Research Centre for the Working Environment, Lersø Parkallé 105, DK 2100 Copenhagen Ø, Denmark
    Chemosphere 76:572-7. 2009
  2. doi request reprint Study of ozone-initiated limonene reaction products by low temperature plasma ionization mass spectrometry
    Asger W Nørgaard
    The National Research Centre for the Working Environment, 2100, Copenhagen, Denmark
    J Am Soc Mass Spectrom 24:1090-6. 2013
  3. doi request reprint Gas chromatography interfaced with atmospheric pressure ionization-quadrupole time-of-flight-mass spectrometry by low-temperature plasma ionization
    Asger W Nørgaard
    The National Research Centre for the Working Environment, Copenhagen, Denmark
    Anal Chem 85:28-32. 2013
  4. ncbi request reprint Real-time monitoring of the progress of polymerization reactions directly on surfaces at open atmosphere by ambient mass spectrometry
    Asger W Nørgaard
    Thomson Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas UNICAMP Campinas, SP, Brazil
    Rapid Commun Mass Spectrom 24:3441-6. 2010
  5. doi request reprint Characterization of nanofilm spray products by mass spectrometry
    Asger W Nørgaard
    The National Research Centre for the Working Environment, Lersø Parkallé 105, 2100 København Ø, Denmark
    Chemosphere 80:1377-86. 2010
  6. doi request reprint Nebulization ionization and desorption ionization analysis of reactive organofunctionalized silanes in nanofilm products
    Asger W Nørgaard
    The National Research Centre for the Working Environment, Copenhagen, Denmark
    J Mass Spectrom 46:402-10. 2011
  7. doi request reprint Release of VOCs and particles during use of nanofilm spray products
    Asger W Nørgaard
    The National Research Centre for the Working Environment, Denmark
    Environ Sci Technol 43:7824-30. 2009
  8. ncbi request reprint Mechanism of action of lung damage caused by a nanofilm spray product
    Søren T Larsen
    National Research Centre for the Working Environment, Copenhagen, Denmark
    Toxicol Sci 140:436-44. 2014
  9. pmc Lung damage in mice after inhalation of nanofilm spray products: the role of perfluorination and free hydroxyl groups
    Asger W Nørgaard
    National Research Centre for the Working Environment, Copenhagen, Denmark
    Toxicol Sci 116:216-24. 2010
  10. ncbi request reprint Ambient mass spectrometry imaging: a comparison of desorption ionization by sonic spray and electrospray
    Christian Janfelt
    Department of Pharmacy, University of Copenhagen, Denmark
    J Am Soc Mass Spectrom 23:1670-8. 2012

Collaborators

Detail Information

Publications11

  1. doi request reprint Formation and stability of secondary ozonides from monoterpenes studied by mass spectrometry
    Anni Vibenholt
    National Research Centre for the Working Environment, Lersø Parkallé 105, DK 2100 Copenhagen Ø, Denmark
    Chemosphere 76:572-7. 2009
    ..LimoneneSOZ and 3-careneSOZ were found to be more stable than 4-careneSOZ and isolimoneneSOZ, which corresponded well to their relative yields. 3-careneSOZ was found to be a major product from the gas-phase ozonolysis...
  2. doi request reprint Study of ozone-initiated limonene reaction products by low temperature plasma ionization mass spectrometry
    Asger W Nørgaard
    The National Research Centre for the Working Environment, 2100, Copenhagen, Denmark
    J Am Soc Mass Spectrom 24:1090-6. 2013
    ..The use of LTP for in situ ozonolysis and ionization represents a new and versatile approach for the assessment of ozone-initiated terpene chemistry...
  3. doi request reprint Gas chromatography interfaced with atmospheric pressure ionization-quadrupole time-of-flight-mass spectrometry by low-temperature plasma ionization
    Asger W Nørgaard
    The National Research Centre for the Working Environment, Copenhagen, Denmark
    Anal Chem 85:28-32. 2013
    ..The ion patterns seemed unique for each of the analyzed compound classes and can therefore be useful for identification of functional groups. A total of 20 different compounds within 8 functional groups were analyzed...
  4. ncbi request reprint Real-time monitoring of the progress of polymerization reactions directly on surfaces at open atmosphere by ambient mass spectrometry
    Asger W Nørgaard
    Thomson Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas UNICAMP Campinas, SP, Brazil
    Rapid Commun Mass Spectrom 24:3441-6. 2010
    ..A similar tendency favouring the heavier oligomers was observed via EASI(-)-MS. This work illustrates the potential of ambient mass spectrometry for the direct monitoring of polymerization reactions on surfaces...
  5. doi request reprint Characterization of nanofilm spray products by mass spectrometry
    Asger W Nørgaard
    The National Research Centre for the Working Environment, Lersø Parkallé 105, 2100 København Ø, Denmark
    Chemosphere 80:1377-86. 2010
    ..After about 1month in acidic 2-propanol substitution of the ethoxy groups with isopropoxy groups had taken place and all silane was converted to disiloxanes, trisiloxanes and tetrasiloxanes...
  6. doi request reprint Nebulization ionization and desorption ionization analysis of reactive organofunctionalized silanes in nanofilm products
    Asger W Nørgaard
    The National Research Centre for the Working Environment, Copenhagen, Denmark
    J Mass Spectrom 46:402-10. 2011
    ..The applicabilities of each of the ionization techniques were examined, showing the advantage of utilizing more than one ionization technique for the analysis of reactive species...
  7. doi request reprint Release of VOCs and particles during use of nanofilm spray products
    Asger W Nørgaard
    The National Research Centre for the Working Environment, Denmark
    Environ Sci Technol 43:7824-30. 2009
    ..The number of generated particles was on the order of 3 x 10(8) to 2 x 10(10) particles/m3 per g sprayed NFP and were dominated by nanosize particles...
  8. ncbi request reprint Mechanism of action of lung damage caused by a nanofilm spray product
    Søren T Larsen
    National Research Centre for the Working Environment, Copenhagen, Denmark
    Toxicol Sci 140:436-44. 2014
    ....
  9. pmc Lung damage in mice after inhalation of nanofilm spray products: the role of perfluorination and free hydroxyl groups
    Asger W Nørgaard
    National Research Centre for the Working Environment, Copenhagen, Denmark
    Toxicol Sci 116:216-24. 2010
    ..The number of free hydroxyl groups in the silanes/alkylsiloxanes was also critical for the toxicity...
  10. ncbi request reprint Ambient mass spectrometry imaging: a comparison of desorption ionization by sonic spray and electrospray
    Christian Janfelt
    Department of Pharmacy, University of Copenhagen, Denmark
    J Am Soc Mass Spectrom 23:1670-8. 2012
    ..The present study is in its nature also a comparison of the characteristics of the two techniques, showing results also applicable for non-imaging work, with regards to sensitivity and experimental conditions...
  11. ncbi request reprint Secondary ozonides of substituted cyclohexenes: a new class of pollutants characterized by collision-induced dissociation mass spectrometry using negative chemical ionization
    Asger W Nørgaard
    Indoor Environment Group, National Research Centre for the Working Environment, Lersø Parkallé 105, DK 2100 Copenhagen Ø, Denmark
    Chemosphere 70:2032-8. 2008
    ..Thus, negative CI-MS-MS in combination with rapid gas chromatography is the preferred method for identification of secondary ozonides of cyclohexenes...