CV

Per Axel Clausen, Ph.D., seniorforsker
Det Nationale Forskningscenter for Arbejdsmiljø (NFA), Danmark
Født: Frederiksberg 1958

Uddannelse

1986 Cand. Scient i kemi, Københavns Universitet

1996 Ph.D., Københavns Universitet. Afhandling: “Semivolatile organic compounds in air and dust in non-industrial work environment”.

Akademisk karriere og administrativ erfaring

 2009- Adjungeret lektor ved Kemisk Institut, Københavns Universitet
 2006              Udvalgt til medlem af den Internationale Videnskabelige Komite for Indoor Air 2008
 2006- Formand for IGAS (Interessegruppe for Gasanalyse: www.igas.dk)
 2005-2006 Projektkoordinator for projektgruppen ”Indeklimakemi” (ca. 3 mio/år), Arbejdsmiljøinstituttet
 2001 Assisterende Forskningschef ( 7 mdr.), Indeklimaafdelingen, Arbejdsmiljøinstituttet
 2000- Teknisk assessor for SWEDAK (Svensk Akkrediteringsordning)
 1997-2007 Seniorforsker i kemi og indeklima, Arbejdsmiljøinstituttet.
 1997- Medlem af styregruppen for IGAS (Interessegruppe for Gasanalyse: www.igas.dk)
 1996-1997  Forsker i kemi og indeklima, Arbejdsmiljøinstituttet
 1992-1996 Ph.D.-arbejde.
 1992- Teknisk assessor for DANAK (Dansk Akkrediteringsordning)
 1987-1992 Forsker (fastansat), Kemisk Biokemisk Afdeling, Arbejdsmiljøinstituttet
 1986-1987 Projektforsker, Kemisk Biokemisk Afdeling, Arbejdsmiljøinstituttet.

Bibliometri

 Originale artikler i internationale tidsskrifter med peer review:                      47
 Bogkapitler:           3
 Konference publikationer (internationale):    ca. 88
 Andre internationale publikationer:           4                   
 Rapporter, populærvidenskabelige artikler og pjecer på dansk:       42
 Foredrag (internationale og nationale)   ca. 66
 h-indeks = 20 (ISI, Thomson Reuters Scientific, 14-10-2011: 40 artikler) 

 h-indeks = 22 (Google Scholar (14-10-2010: 45 artikler)

 Citationsrate: min.; middel; max; total = 0; 25.2; 103; 1009 (ISI, 14-10-2011: 40 artikler)
 Citationsrate: min.; middel; max; total = 0; 28.9; 133; 1301 (Google Scholar, 14-10-2011: 45 artikler)

Priser/hædersbevisninger

Best paper award, Indoor Air journal 1996-1998. Selected Article in Human & Experimental Toxicology 1999. Best poster award, Healthy Buildings 2000 Conference. Best poster award, Healthy Buildings 2006 Conference. Elected to ISIAQ Academy of Fellows (International Academy of Indoor Air Sciences) at Indoor Air 2008.

Reviewer

Analytical Letters, ASHRAE Journal, Atmospheric Environment, Building and Environment, Environmental Modelling and Software, Environmental Science and Pollution Research, Environmental Science and Technology, Indoor Air, Journal of Chromatography, Journal of Hazadous Materials, Journal of the Air & Waste Management Association, TALANTA, The Science of the Total Environment.

Publikationsliste

Originale artikler i peer-reviewed tidsskrifter

2012
47.

Wolkoff P., Clausen P.A., Larsen S.T., Hammer M. and Nielsen G.D. (2012) Airway effects of repeated exposures to ozone-initiated limonene oxidation products as model of indoor air mixtures. Toxicology Letters 209, 166-172.

46.

Clausen P.A., Liu Z., Kofoed-Sørensen V., Little J.C. and Wolkoff P. (2012) The influence of temperature on the emission of di (2 ethylhexyl)phthalate (DEHP) from PVC flooring in the emission cell FLEC. Environmental Science & Technology 46, 909-915.

2011
45. Palomäki J., Välimäki E., Sund J., Vippola M., Clausen P.A., Jensen K.A., Savolainen K., Matikainen S. and Alenius H. (2011) Long, Needle-like Carbon Nanotubes and Asbestos Activate the NLRP3 Inflammasome through a Similar Mechanism. ACS Nano (on line).
2010
44.

Clausen P.A., Liu Z., Xu Y., Kofoed-Sørensen V. and Little J.C. (2010) Influence Of Air Flow Rate On Emission Of DEHP From Vinyl Flooring In The Emission Cell FLEC: Measurements And CFD Simulation. Atmospheric Environment 44, 2760-2766.

2009

 
43. Nørgaard A.W., Jensen K.A., Janfeldt C., Lauritsen F.R., Clausen P.A. and Wolkoff P. (2009) Release of VOCs and Particles During Use of Nanofilm Spray Products. Environ.Sci.Technol.43, 7824-7830.
42.

Vibenholt A, Nørgaard AW, Clausen PA & Wolkoff P. Formation and stability of secondary ozonides from monoterpenes studied by mass spectrometry. Chemosphere 2009;76:572-577.

41. Xu Y, Hubal EC, Clausen PA & Little JC. Predicting Residential Exposure to Phthalate Plasticizer Emitted from Vinyl Flooring: A Mechanistic Analysis. Environ.Sci.Technol. 2009;43:2347-2380.
40. Jensen KA, Koponen IK, Clausen PA & Schneider T. Dustiness behavior of loose and compacted bentonite and organoclay powders: What is the difference in exposure risk? Journal of Nanoparticle Research 2009;11:133-146.
2008
39. Clausen PA, Knudsen HN, Larsen K, Kofoed-Sørensen V, Wolkoff P & Wilkins CK. 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 Chromatogr A 2008;1210:203-211.
38. Wolkoff P, Clausen PA, Larsen K, Hammer M, Larsen ST & Nielsen GD. Acute airway effects of ozone-initiated d-limonene chemistry: Importance of gaseous products. Toxicol Lett 2008;181:171-176.
37. Nørgaard AW, Nøjgaard JK, Clausen PA & Wolkoff P. Secondary ozonides of substituted cyclohexenes: A new class of pollutants characterized by collision-induced dissociation mass spectrometry using negative chemical ionization. Chemosphere 2008;70:2032-2038.
2007
36. Wilkins CK, Wolkoff P, Knudsen HN & Clausen PA. The impact of information on perceived air quality - 'organic' vs. 'synthetic' building materials. Indoor Air 2007;17:130-134.
35. Larsen ST, Hansen JS, Hansen EW, Clausen PA & Nielsen GD. Airway inflammation and adjuvant effect after repeated airborne exposures to di-(2-ethylhexyl) phthalate and ovalbumin in BALB/c mice.Toxicology 2007;235:119-129.
34. Knudsen HN, Clausen PA, Wilkins CK & Wolkoff P. Sensory and chemical evaluation of odorous emissions from building products with and without linseed oil. Build.Environ. 2007;42:4059-4067.
33. Clausen PA, Xu Y, Kofoed-Sørensen V, Little JC & Wolkoff P. The influence of humidity on the emission of di-(2-ethylhexyl) phthalate (DEHP) from vinyl flooring in the emission cell "FLEC". Atmos.Environ. 2007;41:3217-3224.
2006
32. Wolkoff P, Wilkins CK, Clausen PA & Nielsen GD. Organic compounds in office environments - sensory irritation, odor, measurements and the role of reactive chemistry. Indoor Air 2006;16:7-19.
31. Nørgaard AW, Nøjgaard JK, Larsen K, Sporring S, Wilkins CK, Clausen PA & Wolkoff P. Secondary limonene endo-ozonide: A major product from gas-phase ozonolysis of R-(+)-limonene at ambient temperature. Atmos. Environ. 2006;40:3460-3466.
2005
30. Nielsen GD, Larsen ST, Hougaard KS, Hammer M, Wolkoff P, Clausen PA, Wilkins CK & Alarie Y. Mechanisms of acute inhalation effects of (+) and (-)-a-pinene in BALB/c mice. Basic & Clinical Pharmacology & Toxicology 2005;96:420-428.
2004
29. Schneider T, Jensen KA, Clausen PA, Afshari A, Gunnarsen L, Wåhlin P, Glasius M, Palmgren F, Nielsen OJ & Fogh CL. Prediction of indoor concentration of 0.5-4 µm particles of outdoor origin in an uninhabited apartment. Atmos. Environ. 2004;38:6349-6359.
28. Clausen PA, Hansen V, Gunnarsen L, Afshari A & Wolkoff P. Emission of di(2-ethylhexyl) phthalate from PVC into air and dust. Emission and sorption experiments. Environ Sci Technol. 2004;38:2531-2537.
27. Afshari A, Gunnarsen L, Clausen PA & Hansen V. Emission of phthalates from PVC and other materials. Indoor Air 2004;14:120-128.
2003
26. Wilkins CK, Wolkoff P, Clausen PA, Hammer M & Nielsen GD. Upper airway irritation of terpene/ozone oxidation products (TOPS). Dependence on reaction time, relative humidity and initial ozone concentration. Toxicol Lett 2003;143:109-114.
25. Schneider T, Sundell J, Bishof W, Bohgard M, Cherrie JW, Clausen PA, Derborg S, Kildesø J, Kjærgaard SK, Løvik M, Pasanen P & Skyberg K. "EUROPART". Airborne particles in the indoor environment. A European interdisplinary review of scientific evidence on associations between exposure to particles in buildings and health effects. Indoor Air 2003;13:38-48.
24. Knudsen HN, Nielsen PA, Clausen PA, Wilkins CK & Wolkoff P. Sensory evaluation of emissions from selected building products exposed to ozone. Indoor Air 2003;13:223-231.
23. Clausen PA, Bille RLL, Nilsson T, Hansen V, Svensmark B & Bøwadt S. Simultaneous extraction of di(2-ethylhexyl)phthalate and non-ionic surfactants from house dust. Concentrations in floor dust from 15 Danish schools. J. Chromatogr. A 2003;986:179-190.
2002
22. Rohr AC, Wilkins CK, Clausen PA, Hammer M, Nielsen GD, Wolkoff P & Spengler JD. Upper airway and pulmunary effects of oxidation products of (+)-a-pinene, d-limonene, and isoprene in BALB/c mice. Inhalation Toxicology 2002;14:663-684.
21. Klenø JG, Wolkoff P, Clausen PA, Wilkins CK & Pedersen T. Degradation of the adsorbent tenax TA by nitrogen oxides, ozone, hydrogen peroxide, OH radical, and limonene oxidation products. Environ. Sci. Technol. 2002;36:4121-4126.
2001

 

20. Wilkins CK, Clausen PA, Wolkoff P, Larsen ST, Hammer M, Larsen K, Hansen V & Nielsen GD. Formation of strong airway irritants in mixtures of isoprene/ozone and isoprene/nitrogen dioxide. Environ. Health Perspect. 2001;109:937-941.
19. Klenø JG, Clausen PA, Weschler CJ & Wolkoff P. Determination of ozone removal rates by selected building products using the FLEC emission cell. Environ. Sci. Technol. 2001;35:2548-2553.
18. Clausen PA, Wilkins CK, Wolkoff P & Nielsen GD. Chemical and biological evaluation of a reaction mixture of R-(+)-limonene/ozone: Formation of strong airway irritants. Environ. Int. 2001;26:511-522.
2000
17. Wolkoff P, Clausen PA, Wilkins CK & Nielsen GD. Formation of strong airway irritants in terpene/ozone mixtures. Indoor Air 2000;10:82-91.
16. Larsen ST, Hougaard KS, Hammer M, Alarie Y, Wolkoff P, Clausen PA, Wilkins CK & Nielsen GD. Effects of R-(+) and S-(-)-limonene on the respiratory tract in mice. Human & Experimental Toxicology 2000;19:457-466.
1999
15. Nielsen GD, Hougaard KS, Larsen ST, Hammer M, Wolkoff P, Clausen PA, Wilkins CK & Alarie Y. Acute airway effects of formaldehyde and ozone in BALB/c mice. Human & Experimental Toxicology 1999;18:400-409.
14. Wolkoff P, Clausen PA, Wilkins CK, Hougaard KS & Nielsen GD. Formation of strong airway irritants in a model mixture of (+)-a-pinene/ozone. Atmos. Environ. 1999;33:693-698.

1998-1996
13. Clausen PA, Wilkins CK & Wolkoff P. Gas chromatographic analysis of free fatty acids and fatty acid salts extracted with neutral and acidified dichloromethane from office floor dust. J. Chromatogr. A 1998;814:161-170.
12. Wolkoff P, Clausen PA, Jensen B, Nielsen GD & Wilkins CK. Are we measuring the relevant indoor pollutants? Indoor Air 1997;7:92-106.
11. Clausen P.A. and Wolkoff P. (1997) Degradation products of Tenax TA formed during sampling and thermal desorption analysis: Indicators of reactive species indoors. Atmos.Environ. 31, 715-725.
10. Clausen P.A. and Wolkoff P. (1997) Evaluation of automatic thermal desorption - capillary GC for determination of semivolatile organic compounds (SVOCs) in indoor air. J.High Resol.Chromatogr. 20, 99-108.
9. Mølhave L., Sparks L.E., Wolkoff P., Clausen P.A., Nielsen P.A. and Bergsø N.C. (1996) The Danish twin appartment study - Part II: Mathemathical modelling of the relative strength of sources of indoor air pollution. Indoor Air 6, 18-30.
1995-1993
8. Wolkoff P, Clausen PA & Nielsen PA. Application of the Field and Laboratory Emission Cell "FLEC" - Performance study, intercomparison study, and case study of damaged linoleum in an office. Indoor Air 1995;5:196-203.
7. Jensen B, Wolkoff P, Wilkins CK & Clausen PA. Characterization of linoleum. Part 1: Measurement of volatile organic compounds by use of the Field and Laboratory Emission Cell, "FLEC". Indoor Air 1995;5:38-43.
6. Wolkoff P, Clausen PA, Nielsen PA Gunnarsen L. Documentation of field and laboratory emission cell "FLEC": Identification of emission processes from carpet, linoleum, paint, and sealant by modelling. Indoor Air 1993;3:291-297.
5. Wolkoff P, Wilkins CK, Clausen PA & Larsen K. Comparison of volatile organic compounds from processed paper and toners from office copiers and printers: Methods, emission rates, and modeled concentrations. Indoor Air 1993;3:113-123.
4. Clausen PA. Emission of volatile and semivolatile organic compounds from waterborne paints - The effect of the film thickness. Indoor Air 1993;3:269-275.
1991-1986
3. Wolkoff P, Clausen PA, Nielsen PA & Mølhave L. The Danish twin apartment study; Part I: Formaldehyde and long- term VOC measurements. Indoor Air 1991;1:478-490.
2. Clausen PA, Wolkoff P, Holst E & Nielsen PA. Long-term Emission of Volatile Organic Compounds from Waterborne Paints - Methods of Comparison. Indoor Air 1991;1:562-576.
1. Nielsen T, Clausen P & Jensen FP. Determination of basic azaarenes and polynuclear aromatic hydrocarbons in airborne particulate matter by gas chromatography. Anal.Chim.Acta 1986;187:223-231.

Bøger, rapporter, populærvidenskabelige artikler og pjecer uden peer review 2000-2009

2009
Clausen PA & Jacobsen NR. Små rør med store muligheder. Plast Panorama 2009;58:14-15.

Clausen P.A. and Kofoed-Sørensen V. (2009). Sampling and analysis of SVOCs and POMs in indoor air, in: Salthammer, T. and Uhde, E. (Eds.), Organic Indoor Air Pollutants, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, pp. 19-45.

 

2008

Clausen PA & Jacobsen NR. Små rør med store muligheder. Magasinet Arbejdsmiljø 2008;2:48-50.

Nøjgaard JK, Nørgaard AW, Clausen PA & Wolkoff P. Mulig kemisk forklaring på dårligt indemiljø. Dansk Kemi 2008;89(1):22-23.

Wolkoff P, Nøjgaard JK, Larsen ST, Clausen PA, Nielsen GD & Ladefoged O. (2008) EU Kommissionen tager hul på indeklima-debatten. Dansk Kemi 2008;89(1):19-21.

2007

Jensen KA, Allermann L, Madsen AM, Clausen PA & Pejtersen J. Hvad gulvstøvet fra kontorbygninger gemte på. Miljø og sundhed 2007;33:8-18.

Wolkoff P, Nøjgaard JK, Larsen ST, Clausen PA, Nielsen GD & Ladefoged O. Opinion on risk assessment on indoor air quality - ny EU rapport. Miljø og sundhed 2007;34:25-29.

Wolkoff P, Nøjgaard JK, Larsen ST, Clausen PA, Nielsen GD & Ladefoged O. EUs rapport om indeklima - "Opinion on risk assessment on indoor air quality". Biozoom 2007;10(3):28-31.

2006

Allermann L, Jensen KA, Madsen AM, Pejtersen J & Clausen PA. Undersøgelse af faktorer i støv som er årsag til en høj inflammatorisk potens i celleassay. København 2006. 1 p.

Wolkoff P, Nøjgaard JK, Clausen PA & Nielsen GD. Kan kemiske luftforureninger i indemiljøet forårsage symptomer? Miljø og sundhed 2006;12 (Suppl 6):19-26.

2005

Palmgren F, Glasius M, Wåhlin P, Ketzel M, Berkowicz R, Jensen SS, Winther M, Illerup JB, Andersen MS, Hertel O, Vinzents PS, Møller P, Sørensen M, Knudsen LE, Schibye B, Andersen ZJ, Hermansen M, Scheike T, Stage M, Bisgaard H, Loft S, Jensen KA, Kofoed-Sørensen V, Clausen PA & Lohse C. Luftforurening med partikler i Danmark. Miljøprojekt, Nr. 1021, 2005, pp. 1-84. Miljøministeriet. København.

Jensen KA, Kofoed-Sørensen V & Clausen PA. "Trafikforureningen trænger ind i bygninger tæt på veje", MST hjemmeside (www.mst.dk), 2005;1-3.

 
2004
Clausen PA. Indeklimavurdering af linolieholdige byggematerialer. Arbejdsmiljø 2004;20(6/7):26.

Clausen PA & Knudsen HN. Linolieholdige byggematerialers påvirkning af indeklimaet undersøges. HVAC magasinet 2004;40(4):6 Techmedia, København.

Knudsen HN & Clausen PA. Linolieholdige byggematerialer og oplevet luftkvalitet. HVAC magasinet 2004;40(7):44-46. Techmedia, København.

Knudsen HN, Clausen PA, Shibuya H, Wilkins CK & Wolkoff P. Indeklimavurdering af linolieholdige byggematerialer. By og Byg Dokumentation 2004;054:3-75. By og Byg. Hørsholm.

Palmgren F, Wåhlin P, Glasius M, Afshari A, Gunnarsen L, Jensen KA, Schneider T, Clausen PA, Lange C & Nielsen OJ. Partikler i ude- og indeluft, TRIP afslutningskonference, København, TRIP rapport 2004, pp. 2-20.

2003

Clausen PA, Flyvholm M-A, Poulsen OM, Gunnarsen L, Nielsen E, Ladefoged O & Müller AK. Eksponeringsvurdering af plastblødgørere. Miljøforskning 2003;55:26-29. Det Strategiske Miljøforskningsprogram, Århus.

Clausen PA. Plastblødgørere og sæbestoffer i gulvstøv. DANVAK Magasinet 2003;10:38.

Clausen PA, Gunnarsen L, Müller AK, Nielsen E, Ladefoged O, Flyvholm M-A & Poulsen OM. Eksponering for phthalater. Miljø og sundhed 2003;9(Suppl 2):46-51.

Gunnarsen L, Afshari A & Clausen PA. Blødgørere i byggevarer. DANVAK Magasinet 2003;3:19-21.
 
2002-2000

Clausen PA & Hansen V. Phthalateksponering i indeklimaet - fra kilde til lunger. DANVAK Magasinet 2002;5:50.

Wolkoff P, Clausen PA, Wilkins CK & Nielsen GD. Kemisk forklaringsmodel for øjen- og luftvejseffekter i indeklimaet. Miljø og sundhed 2002;8(18):5-10.

Clausen PA. Risikofyldt støv. Astma-Allergi Bladet 2000.
Nielsen GD, Larsen ST & Clausen PA. Allergi og plastblødgørere. København: Arbejdsmiljøinstituttet 2002.
 23.02.2012
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