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    Academic Journals

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• Sources of black carbon at residential and traffic environments obtained by two source apportionment methods.

  Authors:Sanna Saarikoski, Jarkko V. Niemi, Minna Aurela, Liisa Pirjola, Anu Kousa, Topi Rönkkö, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 19) Peer-Reviewed

  Oct. 6, 2021371 words Brief article This study investigated the sources of black carbon (BC) at two contrasting urban environments in Helsinki, Finland: residential area and street canyon. The measurement campaign in the residential area was conducted in...

• Influence of fuel ethanol content on primary emissions and secondary aerosol formation potential for a modern flex-fuel gasoline vehicle

  Authors:Hilkka Timonen, Panu Karjalainen, Erkka Saukko, Sanna Saarikoski, Pauli Simonen, Timo Murtonen, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 8) Peer-Reviewed

  Apr. 24, 2017397 words Author abstract, Bri... The effect of fuel ethanol content (10, 85 and 100 %) on primary emissions and on subsequent secondary aerosol formation was investigated for a Euro 5 flex-fuel gasoline vehicle. Emissions were characterized during a...

• Laboratory and field evaluation of the Aerosol Dynamics Inc. concentrator (ADIc) for aerosol mass spectrometry

  Authors:Sanna Saarikoski, Leah R. Williams, Steven R. Spielman, Gregory S. Lewis, Arantzazu Eiguren-Fernandez, Minna Aurela, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 7) Peer-Reviewed

  July 16, 2019343 words Brief article

  An air-to-air ultrafine particle concentrator (Aerosol Dynamics Inc. concentrator; ADIc) has been designed to enhance online chemical characterization of ambient aerosols using aerosol mass spectrometry. The ADIc...

• Time-resolved characterization of primary particle emissions and secondary particle formation from a modern gasoline passenger car

  Authors:Panu Karjalainen, Hilkka Timonen, Erkka Saukko, Heino Kuuluvainen, Sanna Saarikoski, Timo Murtonen, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 13) Peer-Reviewed

  July 14, 2016258 words Brief article Changes in vehicle emission reduction technologies significantly affect traffic-related emissions in urban areas. In many densely populated areas the amount of traffic is increasing, keeping the emission level high or...

• In-depth characterization of submicron particulate matter inter-annual variations at a street canyon site in northern Europe.

  Authors:Luis M. F. Barreira, Aku Helin, Minna Aurela, Kimmo Teinilä, Milla Friman, Leena Kangas, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 8) Peer-Reviewed

  Apr. 26, 2021410 words Report Atmospheric aerosols play an important role in air pollution. Aerosol particle chemical composition is highly variable depending on the season, hour of the day, day of the week, meteorology, and location of the...

• The molecular identification of organic compounds in the atmosphere: state of the art and challenges

  Authors:Barbara Noziere, Markus Kalberer, Magda Claeys, James Allan, Barbara DEAnna, Stefano Decesari, et al.From:Chemical Reviews (Vol. 115, Issue 10) Peer-Reviewed

  May 27, 2015 Report

   Citation Only

• Comparison of primary and secondary particle formation from natural gas engine exhaust and of their volatility characteristics

  Authors:Jenni Alanen, Pauli Simonen, Sanna Saarikoski, Hilkka Timonen, Oskari Kangasniemi, Erkka Saukko, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 14) Peer-Reviewed

  July 18, 2017438 words Brief article, Repor... Natural gas usage in the traffic and energy production sectors is a growing trend worldwide; thus, an assessment of its effects on air quality, human health and climate is required. Engine exhaust is...

• Chemical and physical characterization of traffic particles in four different highway environments in the Helsinki metropolitan area

  Authors:Joonas Enroth, Sanna Saarikoski, Jarkko Niemi, Anu Kousa, Samara Carbone, Heino Kuuluvainen, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 9) Peer-Reviewed

  May 3, 2016317 words Brief article Traffic-related pollution is a major concern in urban areas due to its deleterious effects on human health. The characteristics of the traffic emissions on four highway environments in the Helsinki metropolitan area...

• Effects of marine fuel sulfur restrictions on particle number concentrations and size distributions in ship plumes in the Baltic Sea.

  Authors:Sami D. Seppälä, Joel Kuula, Antti-Pekka Hyvärinen, Sanna Saarikoski, Topi Rönkkö, Jorma Keskinen, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 4) Peer-Reviewed

  Mar. 3, 2021412 words Article Exhaust emissions from shipping are a major contributor to particle concentrations in coastal and marine areas. Previously, the marine fuel sulfur content (FSC) was restricted globally to 4.5 m/m%, but the limit was...

• Applications and limitations of constrained high-resolution peak fitting on low resolving power mass spectra from the ToF-ACSM

  Authors:Hilkka Timonen, Mike Cubison, Minna Aurela, David Brus, Heikki Lihavainen, Risto Hillamo, et al.From:Atmospheric Measurement Techniques (Vol. 9, Issue 7) Peer-Reviewed

  July 25, 2016215 words Brief article The applicability, methods and limitations of constrained peak fitting on mass spectra of low mass resolving power (m∕Δm.sub.50  ∼ 500)...