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Large-scale decontamination of disposable FFP2 and FFP3 respirators by hydrogen peroxide vapour, Finland, April to June 2020.
Laatikainen K, Mesilaakso M, Kulmala I, Mäkelä E, Ruutu P, Lyytikäinen O, Tella S, Humppi T, Salo S, Haataja T, Helminen K, Karppinen H, Kähkönen H, Vainiola T, Blomqvist K, Laitinen S, Peltonen K, Laaksonen M, Ristimäki T, Koivisto J. Laatikainen K, et al. Among authors: humppi t. Euro Surveill. 2022 Mar;27(11):2100119. doi: 10.2807/1560-7917.ES.2022.27.11.2100119. Euro Surveill. 2022. PMID: 35301980 Free PMC article.
Identification of airborne bacteria by 16S rDNA sequencing, MALDI-TOF MS and the MIDI microbial identification system.
Fykse EM, Tjärnhage T, Humppi T, Eggen VS, Ingebretsen A, Skogan G, Olofsson G, Wästerby P, Gradmark PÅ, Larsson A, Dybwad M, Blatny JM. Fykse EM, et al. Among authors: humppi t. Aerobiologia (Bologna). 2015;31(3):271-281. doi: 10.1007/s10453-015-9363-9. Epub 2015 Jan 17. Aerobiologia (Bologna). 2015. PMID: 32214629 Free PMC article.
Pyrolysis products of PCBs.
Paasivirta J, Herzschuh R, Humppi T, Kantolahti E, Knuutinen J, Lahtiperä M, Laitinen R, Salovaara J, Tarhanen J, Virkki L. Paasivirta J, et al. Among authors: humppi t. Environ Health Perspect. 1985 May;60:269-78. doi: 10.1289/ehp.8560269. Environ Health Perspect. 1985. PMID: 3928353 Free PMC article.