Solid phase microextraction Arrow for the sampling of volatile amines in wastewater and atmosphere
Helin, Aku, Rönkkö, Tuukka, Parshintsev, Jevgeni, Hartonen, Kari, Schilling, Beat, Läubli, Thomas, Riekkola, Marja-Liisa
Published in Journal of Chromatography A (24.12.2015)
Published in Journal of Chromatography A (24.12.2015)
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Journal Article
Characterization of free amino acids, bacteria and fungi in size-segregated atmospheric aerosols in boreal forest: seasonal patterns, abundances and size distributions
Helin, Aku, Sietiö, Outi-Maaria, Heinonsalo, Jussi, Bäck, Jaana, Riekkola, Marja-Liisa, Parshintsev, Jevgeni
Published in Atmospheric chemistry and physics (06.11.2017)
Published in Atmospheric chemistry and physics (06.11.2017)
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Journal Article
Emissions of volatile organic compounds from Norway spruce and potential atmospheric impacts
Hakola, Hannele, Taipale, Ditte, Praplan, Arnaud, Schallhart, Simon, Thomas, Steven, Tykkä, Toni, Helin, Aku, Bäck, Jaana, Hellén, Heidi
Published in Frontiers in Forests and Global Change (23.03.2023)
Published in Frontiers in Forests and Global Change (23.03.2023)
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Journal Article
Characteristics and source apportionment of black carbon in the Helsinki metropolitan area, Finland
Helin, Aku, Niemi, Jarkko V., Virkkula, Aki, Pirjola, Liisa, Teinilä, Kimmo, Backman, John, Aurela, Minna, Saarikoski, Sanna, Rönkkö, Topi, Asmi, Eija, Timonen, Hilkka
Published in Atmospheric environment (1994) (01.10.2018)
Published in Atmospheric environment (1994) (01.10.2018)
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Journal Article
Effects of emission sources on the particle number size distribution of ambient air in the residential area
Harni, Sami D., Saarikoski, Sanna, Kuula, Joel, Helin, Aku, Aurela, Minna, Niemi, Jarkko V., Kousa, Anu, Rönkkö, Topi, Timonen, Hilkka
Published in Atmospheric environment (1994) (15.01.2023)
Published in Atmospheric environment (1994) (15.01.2023)
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Journal Article
Utilization of scattering and absorption-based particulate matter sensors in the environment impacted by residential wood combustion
Kuula, Joel, Friman, Milla, Helin, Aku, Niemi, Jarkko V., Aurela, Minna, Timonen, Hilkka, Saarikoski, Sanna
Published in Journal of aerosol science (01.12.2020)
Published in Journal of aerosol science (01.12.2020)
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Journal Article
Connection between lung deposited surface area (LDSA) and black carbon (BC) concentrations in road traffic and harbour environments
Lepistö, Teemu, Kuuluvainen, Heino, Lintusaari, Henna, Kuittinen, Niina, Salo, Laura, Helin, Aku, Niemi, Jarkko V., Manninen, Hanna E., Timonen, Hilkka, Jalava, Pasi, Saarikoski, Sanna, Rönkkö, Topi
Published in Atmospheric environment (1994) (01.03.2022)
Published in Atmospheric environment (1994) (01.03.2022)
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Journal Article
Experimental and numerical analysis of fine particle and soot formation in a modern 100 MW pulverized biomass heating plant
Niemelä, Niko P., Mylläri, Fanni, Kuittinen, Niina, Aurela, Minna, Helin, Aku, Kuula, Joel, Teinilä, Kimmo, Nikka, Markus, Vainio, Oskari, Arffman, Anssi, Lintusaari, Henna, Timonen, Hilkka, Rönkkö, Topi, Joronen, Tero
Published in Combustion and flame (01.06.2022)
Published in Combustion and flame (01.06.2022)
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Journal Article
Spatiotemporal variation and trends in equivalent black carbon in the Helsinki metropolitan area in Finland
Luoma, Krista, Niemi, Jarkko V, Aurela, Minna, Fung, Pak Lun, Helin, Aku, Hussein, Tareq, Kangas, Leena, Kousa, Anu, Rönkkö, Topi, Timonen, Hilkka, Virkkula, Aki, Petäjä, Tuukka
Published in Atmospheric chemistry and physics (28.01.2021)
Published in Atmospheric chemistry and physics (28.01.2021)
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Journal Article
Determination of atmospheric amines by on-fiber derivatization solid-phase microextraction with 2,3,4,5,6-pentafluorobenzyl chloroformate and 9-fluorenylmethoxycarbonyl chloride
Parshintsev, Jevgeni, Rönkkö, Tuukka, Helin, Aku, Hartonen, Kari, Riekkola, Marja-Liisa
Published in Journal of Chromatography A (09.01.2015)
Published in Journal of Chromatography A (09.01.2015)
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Journal Article
Sesquiterpenes and oxygenated sesquiterpenes dominate the VOC (C 5 –C 20 ) emissions of downy birches
Hellén, Heidi, Praplan, Arnaud P, Tykkä, Toni, Helin, Aku, Schallhart, Simon, Schiestl-Aalto, Piia P, Bäck, Jaana, Hakola, Hannele
Published in Atmospheric chemistry and physics (26.05.2021)
Published in Atmospheric chemistry and physics (26.05.2021)
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Journal Article
In-depth characterization of submicron particulate matter inter-annual variations at a street canyon site in northern Europe
Barreira, Luis M. F, Helin, Aku, Aurela, Minna, Teinilä, Kimmo, Friman, Milla, Kangas, Leena, Niemi, Jarkko V, Portin, Harri, Kousa, Anu, Pirjola, Liisa, Rönkkö, Topi, Saarikoski, Sanna, Timonen, Hilkka
Published in Atmospheric chemistry and physics (26.04.2021)
Published in Atmospheric chemistry and physics (26.04.2021)
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Journal Article
Problems Caused by Moisture in Gas Chromatographic Analysis of Headspace SPME Samples of Short-Chain Amines
Hartonen, Kari, Helin, Aku, Parshintsev, Jevgeni, Riekkola, Marja-Liisa
Published in Chromatographia (01.01.2019)
Published in Chromatographia (01.01.2019)
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Journal Article
Snapshots of wintertime urban aerosol characteristics: Local sources emphasized in ultrafine particle number and lung deposited surface area
Lepistö, Teemu, Barreira, Luis M.F., Helin, Aku, Niemi, Jarkko V., Kuittinen, Niina, Lintusaari, Henna, Silvonen, Ville, Markkula, Lassi, Manninen, Hanna E., Timonen, Hilkka, Jalava, Pasi, Saarikoski, Sanna, Rönkkö, Topi
Published in Environmental research (15.08.2023)
Published in Environmental research (15.08.2023)
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Journal Article
Comprehensive characterization of wintertime submicron aerosol in a Nordic town influenced by residential wood combustion, traffic and industrial sources
Barreira, Luis M.F., Lepistö, Teemu, Salo, Laura, Helin, Aku, Aurela, Minna, Saarikoski, Sanna, Kuittinen, Niina, Rönkkö, Topi, Timonen, Hilkka
Published in Atmospheric pollution research (01.08.2023)
Published in Atmospheric pollution research (01.08.2023)
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Journal Article