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Peder Wolkoff

Peder Wolkoff

Work

Adjunct Professor at Department of Chemistry, University of Copenhagen

Current Research

  • CISBO (Center for Indoor Climate and health in Dwellings) -  2009-2014  - supported by RealDania
  • Airway effects of spray products for surface coating  -  2009-2012 -  Working Environment Research Council
  • EPHECT (Emissions, Exposure Patterns and Health Effects of Consumer Products in the EU) - 2010-2013  -  EU Health Programme
  • OFFICAIR (Indoor Air Pollution and Health Risks of Modern Office Buildings)  -  2011-2014 -- 7th Framework Programme

Research Interests

Indoor Environmental Chemistry and Health:

  • In search of causes for indoor climate complaints by exposure to chemical pollutants and combination with other risk factors.
  • In search of sensory irritants in indoor air chemistry.
  • In search of causes of eye and airway irritation symptomatology in the office environment.
  • The interplay between odor perception and sensory irritation.
  • Building material emission testing, health evaluation, and labelling.
  • The impact of nanoparticles on the indoor air quality.

Selected Publications

2011
Nørgaard, A.W., Janfelt, C., Benassi, M., Wolkoff, P., Lauritsen, F.R.
Electrospray and desorption ionization analysis of reactive organo-
functionalized silanes in nano film products, J Mass Spectrometry, 46 (2011) 402-410.

 

2010-2009

Wolkoff, P. Ocular discomfort by environmental and personal risk factors altering the precorneal tear film. Toxicology Letters, 199 (2010) 203-212.

Nørgaard, A.W., Wolkoff, P., Lauritsen, F.R. Characterization of nano film spray products, Chemosphere80 (2010) 1377-1386.
Wolkoff, P., Nielsen, G.D. Non-cancer effects of formaldehyde and relevance for setting an indoor air guideline. Environment International, 36 (2010) 788-799.
Nielsen, G.D., Wolkoff, P. Cancer effects of formaldehyde: A proposal for an indoor air guideline value. Archives of Toxicology, 84 (2010) 423-446.
Nørgaard, A.W., Larsen, S.T., Hammer, M., Poulsen, S.S., Jensen, K.A., Nielsen, G.D., Wolkoff, P. Lung damage in mice after inhalation of nanofilm spray products: The role of perfluorinatiion and free OH groups, Toxicological  Sciences, 116 (2010) 216-224.
Nørgaard, A.W., Jensen, K.A., Janfelt, C., Lauritsen, F.R., Clausen, P.A., Wolkoff, P. Release of VOCs and particles during use of nano film spray products, Environmental Science & Technology., 43 (2009) 7824-7830.
Vibenholt, A., Nørgaard, A.W., Clausen, P.A., Wolkoff, P. Formation and stability of secondary ozonides from monoterpenes studied by mass spectrometry, Chemosphere, 76 (2009) 572-577.

Carslaw, N., Langer, S., Wolkoff, P. Where is the link between reactive indoor air chemistry and health effects? Atmospheric Environment, 43 (2009) 3808-3809.

2008-2007

Clausen, P.A. Knudsen, H.N., Larsen, K., Wolkoff, P., Wilkins, C.K. Use of thermal desorption gas chromatography olfactometry/mass spectrometry (TD-GC-O/MS) for comparison of identified and unidentified odor active compounds emitted from building products containing linseed oil", J. Chromatography A, 1210 (2008) 203-210 .

Wolkoff, P., Clausen, P.A., Larsen, K., Hammer, M. and Nielsen, G.D. Acute airway effects of ozone-initiated d-limonene chemistry: Importance of gaseous products. Toxicology Letters, 181 (2008) 171-176.

Wolkoff, P. "Healthy" eye in office-like environments. Environment International, 34 (2008) 1204-1214.

Nielsen, P.K., Søgaard, K., Skotte, J., Wolkoff, P. Ocular surface area and human eye blink frequency during VDU work - the effect of monitor position. European J. Physiology, 103 (2008) 1-7.

Nørgaard, A.W., Nøjgaard, J.K., Clausen, P.A., Wolkoff, P. "Secondary ozonides of substituted cyclohexenes: A new class of pollutants characterized by collision-induced dissociation mass spectrometry using negative chemical ionization", Chemosphere, 70 (2008) 2032-2038.

Nøjgaard, J.K., Nørgaard, A.W. and Wolkoff, P. On-line analysis of secondary ozonides from cyclohexene and d-limonene ozonolysis using atmospheric sampling Townsend discharge ionization mass spectrometry, Atmospheric Environment 41 (2007) 8345-8354.

Wolkoff, P., Kjærgaard, S.K. The dichotomy of relative humidity on indoor air quality. Environmrnt International, 33 (2007) 850-857.

Cain, W.S., Schmidt, R. and Wolkoff, P. Olfactory detection of ozone and d-limonene: Reactants in indoor spaces, Indoor Air, 17 (2007) i337-347.

Nielsen, G.D., Wolkoff, P., Alarie Y. Sensory irritation: Risk assessment approaches. Regulatory Toxicology and Pharmacology, 48 (2007) 6-18.

Nielsen, G.D., Larsen, S.T., Olesen, O., Løvik, M., Poulsen, L.K., Glue, C., Wolkoff, P. IgE-mediated sensitization and airway diseases. Are indoor chemicals adjuvants? Indoor Air, 17 (2007) 226-235.

Wilkins, C.K., Wolkoff, P., Knudsen, H.K., Clausen, P.A., "The importance of information for perceived air quality - organic vs synthetic building materials", Indoor Air, 17 (2007) 130-134.

Nøjgaard, J.K., Nørgaard, A.W. and Wolkoff, P. Atmospheric sampling of some endocyclic alkene secondary ozonides using Townsend discharge ionization mass spectrometry, Int. J. Mass Spectrometry, 263 (2007) 88-93.

Nøjgaard, J.K., Larsen, K. and Wolkoff, P. Atmospheric sampling Townsend discharge ionisation mass spectrometry for analysis of gas-phase mixtures. International Journal of Mass Spectrometry, 260 (2007) 49-56.

Clausen, P.A., Xu, Y., Kofoed-Sørensen, V., Little, J.C., Wolkoff, P. The influence of humidity on the emission of di-(2-ethylhexyl) phthalate (DEHP) from vinyl flooring in the emission cell "FLEC", Atmospheric Environment, 41 (2007) 3117-3124.

Knudsen, H.N., Clausen, P.A., Wilkins, C.K. and Wolkoff, P. Sensory and chemical evaluation of odorous emissions from building products with and without linseed oil. Building and Environment, 42 (2007) 4059-4067.

2006-2005

Wolkoff, P., Nøjgaard, J.K., Franck, C., Skov, P. Udtørrer det moderne kontormiljø øjnene? Ugeskrift for læger, (2006), 3893-3896.

Nørgaard, A.W., Nøjgaard, J.K., Larsen, K., Sporring, S. Wilkins, C.K., Clausen, P.A., Wolkoff, P. Secondary limonene endo-ozonide: A major product from gas-phase ozonolysis of R-(+)-limonene at ambient temperature. Atmospheric Environment, 40 (2006) 3460.3466

Wolkoff, P., Nøjgaard, J.K., Franck, C. Skov, P. The modern office environment desiccates the eyes? Indoor Air, 16 (2006) 258-265.

Nøjgaard, J.K., Stenby, C., Bilde, M., Nielsen, O.J., Wolkoff, P. The Effect of NOx on Particle Formation during ozonolysis of two abundant monoterpenes indoors", Atmos. Environ.,40 (2006) 1030-1042.

Wolkoff, P., Wilkins, C.K., Clausen, P.A., Nielsen, G.D. "Organic compounds in office environments - Sensory irritation, odor, measurements, and the role of reactive chemistry", Indoor Air, 16 (2006) 7-19.

Nielsen, G.D., Larsen, S.T., Hougaard, K.S., Hammer, M., Wolkoff, P., Clausen, P.A., Wilkins, C.K., Alarie, Y. "Mechanism of acute inhalation effects of (+) and (-)-a-pinene in BALB/c mice", Pharmacology & Toxicology,96 (2005) 420-428.

Nøjgaard, J.K., Christensen, K.B., Wolkoff, P. "The effect on human eye blink frequency of exposure to limonene oxidation products and methacrolein", Toxicology Letters, 156 (2005) 241-251.

Wolkoff, P., Salthammer, T., Woolfenden, E.A. "Emission Cells and Comparison to Small Chambers for Materials Emissions Testing", Gefahrstoffe - Reinhaltung der Luft 65 (2005) 93-98.

Wolkoff, P., Nøjgaard, J.K., Troiano, P. and Piccoli, B. "Eye complaints in the office environment: Precorneal tear film integrity influenced by eye blinking efficiency", Occupational Environmental Medicine, 62 (2005) 4-12.

2004-2003

Klenø, J. and Wolkoff, P. "Changes in Eye Blink Frequency as a Measure of Trigeminal Stimulation by Exposure to Limonene Oxidation Products, Isoprene Oxidation Products and Nitrate Radicals", Int. Arch. Occup. Environ. Health, 77 (2004) 235-243.
Clausen, P.A., Hansen, V., Gunnarsen, L., Afshari, A., Wolkoff, P. "Emission and sorption of di(2-ethylhexyl)phthalate from PVC flooring into air and dust in FLEC and CLIMPAQ. Environmental Science & Technology 39 (2004) 2531-2537.
Wolkoff, P., Skov, P., Franck, C., Petersen, L.P "Eye irritation and environmental factors in the office environment. Hypotheses, causes, and a physiological model", Scan J Work, Environment & Health, 29 (2003) 411-430.
Wilkins, C.K., Wolkoff, P., Clausen, P.A., Hammer, M. and Nielsen, G.D. "Upper airway irritation of terpene/ozone oxidation products (TOPs). Dependence on reaction time, relative humidity, and initial ozone concentration, Toxicology Letters, 143 (2003) 109-114.
Knudsen, H.N., Nielsen, P.A., Clausen, P.A., Wilkins, C.K. and Wolkoff, P. "Sensory evaluation of emissions from selected building products exposed to ozone", Indoor Air, 13 (2003) 223-231.
Wolkoff, P. "Trends in Europe to Reduce the Indoor Air Pollution of VOCs", Indoor Air, 13 (Suppl. 6) (2003) 5-11.

2002-2000

Vejrup, K.V. and Wolkoff, P. "Linear alkylbenzene sulphonates in indoor floor dust". The Science and the Total Environment, 300 (2002) 51-58.
Klenø, J.G., Wolkoff, P., Clausen, P.A., Wilkins, C.K. and Pedersen, T. "Degradation of the adsorbent Tenax TA by nitrogen oxides, ozone, hydrogen peroxide, OH radical, and limonene oxidation products", Environmental Science & Technology, 37 (2002) 4121-4126.
Rohr, A., Wilkins, C.K., Clausen, P.A., Hammer, M., Nielsen, G.C., Wolkoff, P. and Spengler, J.D. "Upper airway and pulmonary effects of oxidation products of (+)-a-Pinene, d-limonene and isoprene in BALB/c mice", Inhalation Toxicology, 14 (2002) 663-684.
Wolkoff, P. and Nielsen, G.D. "Organic compounds in indoor air - Their relevance for perceived indoor air quality", Atmospheric Environment, 35 (2001) 4407-4417.
Klenø, J.G., Clausen, P.A., Weschler, C., Wolkoff, P. "Determination of ozone removal rates by selected building products using the FLEC emission cell", Environmental Science & Technology, 35 (2001) 2548-2553.
Wilkins, C.K., Clausen, P.A., Wolkoff, P., Larsen, S.T., Hammer, M., Larsen, K., Hansen, V., Nielsen, G.D. "Formation of strong airway irritants in a model mixture of isoprene/ozone", Environmental Health Perspectives, 109 (2001) 937-941.
Clausen, P.A., Wilkins, C.K., Wolkoff, P. and Nielsen, G.D. "Chemical and biological evaluation of a reaction mixture of R-(+)-limonene/ozone: Formation of strong airway irritants", Environmental International, 26 (2001) 511-522.
Larsen, S.T., Hougaard, K.S., Hammer, M., Alarie, Y., Wolkoff, P., Clausen, P.A., Wilkins, C.K. and Nielsen, G.D. "Effects of R-(+)- and R-(-)-limonene on the respiratory tract in mice", Human and Experimental Toxicology, 19 (2000) 457-466.
Peitersen, J., Brohus, H., Hyldgaard, C.E., Nielsen, J.B., Valbjørn, O., Hauschildt, P., Kjærgaard, S.K., Wolkoff, P. "The effect of renovating an office building on occupants' comfort and health", Indoor Air, 11 (2001) 10-25.
Wolkoff, P., Clausen, P.A., Wilkins, C.K., and Nielsen, G.D. "Strong airway irritants formed in terpene/ozone mixtures", Indoor Air, 10 (2000) 82-91.

1999-1972

76 peer-reviewed publications - see extended CV



Honorary positions

  • Editorial board member: Indoor Air
  • Elected fellow of the Academy of ISIAQ (International Society of Indoor Air Quality and Climate)
  • Temporary advisor for WHO

Honorary Titles and Awards

1997 

Elected member 

The International Academy of Indoor Air Sciences 

1998 

Scandinavian Indoor Climate Award 

ISS Denmark 

1999 

Best Paper Award in Indoor Air Journal (1996-1998) 

IAIAS 

2000 

Best poster Award at Healthy Buildings ´00 

IAIAS

Education

1972 

M.Sc. (Org. Chem) 

University of Copenhagen 

1976 

Ph.D. (Org. Chem) 

University of Copenhagen 

1976 

NATO Science Fellow 

Amsterdam University 

1976-1978  

Post Doctoral Fellow 

University of Ottawa 

1996 

D.Sc.Med. (Indoor Air Science)  

University of Copenhagen   

 

 29.03.2011
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