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Employment (1)

National Research Centre for the Working Environment: Copenhagen, DK

1997 to present | Senior Researcher
Employment
Source: Self-asserted source
Per Axel Clausen

Education and qualifications (1)

University of Copenhagen Department of chemistry: Copenhagen, DK

Ph.D.
Education
Source: Self-asserted source
Per Axel Clausen

Works (50 of 98)

Items per page:
Page 1 of 2

Characterization of the aerosol release from spray cleaning and disinfection products – Spray scenarios in a climate chamber

International Journal of Hygiene and Environmental Health
2023-07 | Journal article
DOI: 10.1016/j.ijheh.2023.114220
Contributors: Per Axel Clausen; Vivi Kofoed-Sørensen; Simon Pelle Jensen; Bianca Xuan Nguyen Larsen; Alexander Christian Østerskov Jensen; Marie Frederiksen; Peder Wolkoff
Source: check_circle
Crossref

Single-Walled vs. Multi-Walled Carbon Nanotubes: Influence of Physico-Chemical Properties on Toxicogenomics Responses in Mouse Lungs

Nanomaterials
2023-03-15 | Journal article
DOI: 10.3390/nano13061059
Contributors: Silvia Aidee Solorio-Rodriguez; Andrew Williams; Sarah Søs Poulsen; Kristina Bram Knudsen; Keld Alstrup Jensen; Per Axel Clausen; Pernille Høgh Danielsen; Håkan Wallin; Ulla Vogel; Sabina Halappanavar
Source: check_circle
Crossref

Airport emission particles: exposure characterization and toxicity following intratracheal instillation in mice

Particle and Fibre Toxicology
2019-12 | Journal article
DOI: 10.1186/s12989-019-0305-5
Part of ISSN: 1743-8977
Source: Self-asserted source
Per Axel Clausen

Thermogravimetry and Mass Spectrometry of Extractable Organics from Manufactured Nanomaterials for Identification of Potential Coating Components

Materials
2019-11-06 | Journal article
DOI: 10.3390/ma12223657
Part of ISSN: 1996-1944
Source: Self-asserted source
Per Axel Clausen
grade
Preferred source (of 3)‎

Exposure to Air Pollution inside Electric and Diesel-Powered Passenger Trains

Environmental Science & Technology
2019-04-16 | Journal article
DOI: 10.1021/acs.est.8b06980
Part of ISSN: 0013-936X
Part of ISSN: 1520-5851
Source: Self-asserted source
Per Axel Clausen

Assessment of polycyclic aromatic hydrocarbon exposure, lung function, systemic inflammation, and genotoxicity in peripheral blood mononuclear cells from firefighters before and after a work shift

Environmental and Molecular Mutagenesis
2018 | Journal article
DOI: 10.1002/em.22193
EID:

2-s2.0-85047516565
Contributors: Andersen, M.H.G.; Saber, A.T.; Pedersen, J.E.; Pedersen, P.B.; Clausen, P.A.; Løhr, M.; Kermanizadeh, A.; Loft, S.; Ebbehøj, N.E.; Hansen, A.M. et al.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Association between polycyclic aromatic hydrocarbon exposure and peripheral blood mononuclear cell DNA damage in human volunteers during fire extinction exercises

Mutagenesis
2018 | Journal article
DOI: 10.1093/mutage/gex021
EID:

2-s2.0-85042693903
Contributors: Andersen, M.H.G.; Saber, A.T.; Clausen, P.A.; Pedersen, J.E.; Løhr, M.; Kermanizadeh, A.; Loft, S.; Ebbehøj, N.; Hansen, Å.M.; Pedersen, P.Bø. et al.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Dermal uptake and percutaneous penetration of organophosphate esters in a human skin ex vivo model

Chemosphere
2018 | Journal article
DOI: 10.1016/j.chemosphere.2018.01.032
EID:

2-s2.0-85041397517
Contributors: Frederiksen, M.; Stapleton, H.M.; Vorkamp, K.; Webster, T.F.; Jensen, N.M.; Sørensen, J.A.; Nielsen, F.; Knudsen, L.E.; Sørensen, L.S.; Clausen, P.A. et al.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Biodistribution of Carbon Nanotubes in Animal Models

Basic and Clinical Pharmacology and Toxicology
2017 | Journal article
DOI: 10.1111/bcpt.12705
EID:

2-s2.0-85013392801
Contributors: Jacobsen, N.R.; Møller, P.; Clausen, P.A.; Saber, A.T.; Micheletti, C.; Jensen, K.A.; Wallin, H.; Vogel, U.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Cardiovascular health effects following exposure of human volunteers during fire extinction exercises

Environmental Health: A Global Access Science Source
2017 | Journal article
DOI: 10.1186/s12940-017-0303-8
EID:

2-s2.0-85028931314
Contributors: Andersen, M.H.G.; Saber, A.T.; Pedersen, P.Bø.; Loft, S.; Hansen, Å.M.; Koponen, I.K.; Pedersen, J.E.; Ebbehøj, N.; Nørskov, E.-C.; Clausen, P.A. et al.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

A reference method for measuring emissions of SVOCs in small chambers

Building and Environment
2016 | Journal article
DOI: 10.1016/j.buildenv.2015.08.025
Source: Self-asserted source
Per Axel Clausen
grade
Preferred source (of 2)‎

Can we trust real time measurements of lung deposited surface area concentrations in dust from powder Nanomaterials?

Aerosol and Air Quality Research
2016 | Journal article
DOI: 10.4209/aaqr.2015.06.0413
EID:

2-s2.0-84964309679
Contributors: Levin, M.; Witschger, O.; Bau, S.; Jankowska, E.; Koponen, I.K.; Koivisto, A.J.; Clausen, P.A.; Jensen, A.; Mølhave, K.; Asbach, C. et al.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Can We Trust Real Time Measurements of Lung Deposited Surface Area Concentrations in Dust from Powder Nanomaterials?

Aerosol and Air Quality Research
2016 | Journal article
Source: Self-asserted source
Per Axel Clausen

Experimental estimation of migration and transfer of organic substances from consumer articles to cotton wipes: Evaluation of underlying mechanisms

Journal of Exposure Science and Environmental Epidemiology
2016 | Journal article
DOI: 10.1038/jes.2015.35
EID:

2-s2.0-84952637719
Contributors: Clausen, P.A.; Spaan, S.; Brouwer, D.H.; Marquart, H.; Le Feber, M.; Engel, R.; Geerts, L.; Jensen, K.A.; Kofoed-Sørensen, V.; Hansen, B. et al.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Limonene and its ozone-initiated reaction products attenuate allergic lung inflammation in mice

Journal of Immunotoxicology
2016 | Journal article
DOI: 10.1080/1547691X.2016.1195462
EID:

2-s2.0-84978647102
Contributors: Hansen, J.S.; Nørgaard, A.W.; Koponen, I.K.; Sørli, J.B.; Paidi, M.D.; Hansen, S.W.K.; Clausen, P.A.; Nielsen, G.D.; Wolkoff, P.; Larsen, S.T.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Measurement of PCB emissions from building surfaces using a novel portable emission test cell

Building and Environment
2016 | Journal article
DOI: 10.1016/j.buildenv.2016.02.011
Source: Self-asserted source
Per Axel Clausen
grade
Preferred source (of 2)‎

Modelling the impact of room temperature on concentrations of polychlorinated biphenyls (PCBs) in indoor air

Chemosphere
2016 | Journal article
DOI: 10.1016/j.chemosphere.2015.10.112
Source: Self-asserted source
Per Axel Clausen
grade
Preferred source (of 2)‎

Multi-walled carbon nanotube physicochemical properties predict pulmonary inflammation and genotoxicity

Nanotoxicology
2016 | Journal article
DOI: 10.1080/17435390.2016.1202351
EID:

2-s2.0-84979073981
Contributors: Poulsen, S.S.; Jackson, P.; Kling, K.; Knudsen, K.B.; Skaug, V.; Kyjovska, Z.O.; Thomsen, B.L.; Clausen, P.A.; Atluri, R.; Berthing, T. et al.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

No cytotoxicity or genotoxicity of graphene and graphene oxide in murine lung epithelial FE1 cells in vitro

Environmental and Molecular Mutagenesis
2016 | Journal article
DOI: 10.1002/em.22017
EID:

2-s2.0-84978835857
Contributors: Bengtson, S.; Kling, K.; Madsen, A.M.; Noergaard, A.W.; Jacobsen, N.R.; Clausen, P.A.; Alonso, B.; Pesquera, A.; Zurutuza, A.; Ramos, R. et al.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Carbon black nanoparticles and other problematic constituents of black ink and their potential to harm tattooed humans

Current Problems in Dermatology (Switzerland)
2015 | Journal article
DOI: 10.1159/000369319
EID:

2-s2.0-84926298482
Source: Self-asserted source
Per Axel Clausen
grade
Preferred source (of 2)‎

Carbon nanotubes - Types, products, market, and provisional assessment of the associated risks to man and the environment

Environmental project No. 1805, 2015
2015 | Report
DOI: 10.13140/RG.2.1.4728.8404
Source: Self-asserted source
Per Axel Clausen

Characterization of genotoxic response to 15 multiwalled carbon nanotubes with variable physicochemical properties including surface functionalizations in the FE1-Muta(TM) mouse lung epithelial cell line

Environmental and Molecular Mutagenesis
2015 | Journal article
DOI: 10.1002/em.21922
EID:

2-s2.0-84925233844
Contributors: Jackson, P.; Kling, K.; Jensen, K.A.; Clausen, P.A.; Madsen, A.M.; Wallin, H.; Vogel, U.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Interactions between nanoparticles and lung surfactant investigated by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry

Rapid Communications in Mass Spectrometry
2015 | Journal article
DOI: 10.1002/rcm.7199
Source: Self-asserted source
Per Axel Clausen
grade
Preferred source (of 2)‎

Corrigendum to "Human reference values for acute airway effects of five common ozone-initiated terpene reaction products in indoor air" [Toxicol. Lett. 216 (2013) 54-64]

Toxicology Letters
2014 | Journal article
DOI: 10.1016/j.toxlet.2014.01.016
EID:

2-s2.0-84894242354
Contributors: Wolkoff, P.; Larsen, S.T.; Hammer, M.; Kofoed-Sørensen, V.; Clausen, P.A.; Nielsen, G.D.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Multi-walled Carbon Nanotubes,NM-400, NM-401, NM-402, NM-403:Characterisation and Physico-Chemical Properties

JRC Technical Reports, EUR 26796 EN
2014 | Journal article
DOI: 10.2788/10753
Source: Self-asserted source
Per Axel Clausen

Ozone reaction characteristics of indoor floor dust examined in the emission cell "FLEC"

Chemosphere
2014 | Journal article
DOI: 10.1016/j.chemosphere.2013.12.048
EID:

2-s2.0-84901626898
Contributors: Vibenholt, A.; Clausen, P.A.; Wolkoff, P.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Titanium Dioxide, NM-100, NM-101, NM-102, NM-103, NM-104, NM-105: Characterisation and Physico-Chemical Properties

JRC Technical Reports, EUR Number 86291
2014 | Journal article
DOI: 10.2788/79554
Source: Self-asserted source
Per Axel Clausen

Acute airway effects of airborne formaldehyde in sensitized and non-sensitized mice housed in a dry or humid environment

Toxicology and Applied Pharmacology
2013 | Journal article
DOI: 10.1016/j.taap.2013.02.006
EID:

2-s2.0-84875347313
Contributors: Larsen, Sø.T.; Wolkoff, P.; Hammer, M.; Kofoed-Sørensen, V.; Clausen, P.A.; Nielsen, G.D.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Adjuvant and inflammatory effects in mice after subchronic inhalation of allergen and ozone-initiated limonene reaction products

Journal of Toxicology and Environmental Health - Part A: Current Issues
2013 | Journal article
DOI: 10.1080/15287394.2013.838915
EID:

2-s2.0-84889598370
Contributors: Hansen, J.S.; Nielsen, G.D.; Sørli, J.B.; Clausen, P.A.; Wolkoff, P.; Larsen, S.T.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Black tattoo inks induce reactive oxygen species production correlating with aggregation of pigment nanoparticles and product brand but not with the polycyclic aromatic hydrocarbon content

Experimental Dermatology
2013 | Journal article
DOI: 10.1111/exd.12178
EID:

2-s2.0-84879582064
Contributors: Høgsberg, T.; Jacobsen, N.R.; Clausen, P.A.; Serup, J.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Gas chromatography interfaced with atmospheric pressure ionization-quadrupole time-of-flight-mass spectrometry by low-temperature plasma ionization

Analytical Chemistry
2013 | Journal article
DOI: 10.1021/ac301859r
EID:

2-s2.0-84871746651
Contributors: Nørgaard, A.W.; Kofoed-Sørensen, V.; Svensmark, B.; Wolkoff, P.; Clausen, P.A.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Genotoxicity of polyvinylpyrrolidone-coated silver nanoparticles in BEAS 2B cells

Toxicology
2013 | Journal article
DOI: 10.1016/j.tox.2012.09.014
EID:

2-s2.0-84885791884
Contributors: Nymark, P.; Catalán, J.; Suhonen, S.; Järventaus, H.; Birkedal, R.; Clausen, P.A.; Jensen, K.A.; Vippola, M.; Savolainen, K.; Norppa, H.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Human reference values for acute airway effects of five common ozone-initiated terpene reaction products in indoor air

Toxicology Letters
2013 | Journal article
DOI: 10.1016/j.toxlet.2012.11.008
EID:

2-s2.0-84873937890
Contributors: Wolkoff, P.; Larsen, S.T.; Hammer, M.; Kofoed-Sørensen, V.; Clausen, P.A.; Nielsen, G.D.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Study of ozone-initiated limonene reaction products by low temperature plasma ionization mass spectrometry

Journal of the American Society for Mass Spectrometry
2013 | Journal article
DOI: 10.1007/s13361-013-0648-3
EID:

2-s2.0-84879081528
Contributors: Nørgaard, A.W.; Vibenholt, A.; Benassi, M.; Clausen, P.A.; Wolkoff, P.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Airway effects of repeated exposures to ozone-initiated limonene oxidation products as model of indoor air mixtures

Toxicology Letters
2012 | Journal article
DOI: 10.1016/j.toxlet.2011.12.008
EID:

2-s2.0-84855773387
Contributors: Wolkoff, P.; Clausen, P.A.; Larsen, Sø.T.; Hammer, M.; Nielsen, G.D.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Influence of temperature on the emission of Di-(2-ethylhexyl)phthalate (DEHP) from PVC flooring in the emission cell FLEC

Environmental Science and Technology
2012 | Journal article
DOI: 10.1021/es2035625
EID:

2-s2.0-84862961030
Contributors: Clausen, P.A.; Liu, Z.; Kofoed-Sørensen, V.; Little, J.; Wolkoff, P.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Measuring and predicting the emission rate of phthalate plasticizer from vinyl flooring in a specially-designed chamber

Environmental Science and Technology
2012 | Journal article
DOI: 10.1021/es302319m
EID:

2-s2.0-84869433256
Contributors: Xu, Y.; Liu, Z.; Park, J.; Clausen, P.A.; Benning, J.L.; Little, J.C.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Emission and uptake of gas phase di(2-ethylhexyl) phthalate by floor dust

12th International Conference on Indoor Air Quality and Climate 2011
2011 | Conference paper
EID:

2-s2.0-84880526166
Contributors: Kofoed-Sørensen, V.; Vibenholt, A.; Wolkoff, P.; Clausen, P.A.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Long, needle-like carbon nanotubes and asbestos activate the NLRP3 inflammasome through a similar mechanism

ACS Nano
2011 | Journal article
DOI: 10.1021/nn200595c
EID:

2-s2.0-80053320089
Contributors: Palomäki, J.; Välimäki, E.; Sund, J.; Vippola, M.; Clausen, P.A.; Jensen, K.A.; Savolainen, K.; Matikainen, S.; Alenius, H.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Repeated exposure to ozone-initiated limonene products in BALB/c mice: No alveolar and inflammatory effects

12th International Conference on Indoor Air Quality and Climate 2011
2011 | Conference paper
EID:

2-s2.0-84880534990
Contributors: Wolkoff, P.; Wilkins, C.K.; Clausen, P.A.; Larsen, S.T.; Hammer, M.; Nielsen, G.D.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Respiratory effects of some key ozone-initiated terpene reaction products

12th International Conference on Indoor Air Quality and Climate 2011
2011 | Conference paper
EID:

2-s2.0-84880524849
Contributors: Wolkoff, P.; Larsen, S.T.; Hammer, M.; Kofoed-Sørensen, V.; Clausen, P.A.; Nielsen, G.D.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

The influence of temperature on the emission of di-(2-ethylhexyl) phthalate (DEHP) from PVC flooring in the emission cell FLEC

12th International Conference on Indoor Air Quality and Climate 2011
2011 | Conference paper
EID:

2-s2.0-84880546631
Contributors: Clausen, P.A.; Liu, Z.; Kofoed-Sørensen, V.; Little, J.; Wolkoff, P.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Influence of air flow rate on emission of DEHP from vinyl flooring in the emission cell FLEC: Measurements and CFD simulation

Atmospheric Environment
2010 | Journal article
DOI: 10.1016/j.atmosenv.2010.04.020
EID:

2-s2.0-77953812121
Contributors: Clausen, P.A.; Liu, Z.; Xu, Y.; Kofoed-Sørensen, V.; Little, J.C.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Characterizing emissions of phthalate plasticizer from vinyl flooring in a specially-designed SVOC emission chamber

9th International Conference and Exhibition - Healthy Buildings 2009, HB 2009
2009 | Conference paper
EID:

2-s2.0-84872649720
Contributors: Xu, Y.; Park, J.; Clausen, P.A.; Kofoed-Sørensen, V.; Little, J.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Dustiness behaviour of loose and compacted Bentonite and organoclay powders: What is the difference in exposure risk?

Journal of Nanoparticle Research
2009 | Journal article
DOI: 10.1007/s11051-008-9420-1
EID:

2-s2.0-58149190175
Contributors: Jensen, K.A.; Koponen, I.K.; Clausen, P.A.; Schneider, T.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Formation and stability of secondary ozonides from monoterpenes studied by mass spectrometry

Chemosphere
2009 | Journal article
DOI: 10.1016/j.chemosphere.2009.02.060
EID:

2-s2.0-67349116636
Contributors: Vibenholt, A.; Nørgaard, A.W.; Clausen, P.A.; Wolkoff, P.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Predicting residential exposure to phthalate plasticizer emitted from vinyl flooring: A mechanistic analysis

Environmental Science and Technology
2009 | Journal article
DOI: 10.1021/es801354f
EID:

2-s2.0-64349099135
Contributors: Xu, Y.; Hubal, E.A.C.; Clausen, P.A.; Little, J.C.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Release of VOCs and particles during use of nanofilm spray products

Environmental Science and Technology
2009 | Journal article
DOI: 10.1021/es9019468
EID:

2-s2.0-70449956769
Contributors: Nørgaard, A.W.; Jensen, K.A.; Janfelt, C.; Lauritsen, F.R.; Clausen, P.A.; Wolkoff, P.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Sampling and Analysis of SVOCs and POMs in Indoor Air

Organic Indoor Air Pollutants: Occurrence, Measurement, Evaluation: Second Edition
2009 | Book
Part of DOI: 10.1002/9783527628889.ch2
EID:

2-s2.0-84862910268
Contributors: Clausen, P.A.; Kofoed-Sørensen, V.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier

Acute airway effects of ozone-initiated d-limonene chemistry: Importance of gaseous products

Toxicology Letters
2008 | Journal article
DOI: 10.1016/j.toxlet.2008.07.018
EID:

2-s2.0-52349084057
Contributors: Wolkoff, P.; Clausen, P.A.; Larsen, K.; Hammer, M.; Larsen, S.T.; Nielsen, G.D.
Source: Self-asserted source
Per Axel Clausen via Scopus - Elsevier
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