Zobrazeno 1 - 10
of 418
pro vyhledávání: '"Jorma Keskinen"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-2 (2024)
Externí odkaz:
https://doaj.org/article/c34b67781d15498091681abdadc7a7a1
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract Analysing the composition of aerosol particles is essential when studying their health effects, sources and atmospheric impacts. In many environments the relevant particles occur in very low concentrations, meaning that their analysis requir
Externí odkaz:
https://doaj.org/article/15b346ba48d6447faad8f73ef7ea1488
Autor:
Sampsa Martikainen, Laura Salo, Heino Kuuluvainen, Kimmo Teinilä, Rakesh K. Hooda, Arindam Datta, Ved Prakash Sharma, Hafizur Rahman, Sanjukta Subudhi, Prashant Kumar, Panu Karjalainen, Jorma Keskinen, Hilkka Timonen, Antti Hyvärinen, Topi Rönkkö
Publikováno v:
Atmospheric Environment: X, Vol 17, Iss , Pp 100202- (2023)
Diesel engines contribute significantly to deteriorating air quality. Tightening legislation has led to various technological advances, but developments differ between countries. In India, air quality has not improved and fine particle (PM2.5) relate
Externí odkaz:
https://doaj.org/article/fd80eef1c64d47d58a695231b1b56ee3
Autor:
Oskari Kangasniemi, Pauli Simonen, Jana Moldanová, Hilkka Timonen, Luis M. F. Barreira, Heidi Hellén, Jukka-Pekka Jalkanen, Elisa Majamäki, Barbara D’Anna, Grazia Lanzafame, Brice Temime-Roussel, Johan Mellqvist, Jorma Keskinen, Miikka Dal Maso
Publikováno v:
Atmosphere, Vol 14, Iss 7, p 1175 (2023)
Shipping emissions are a major source of particulate matter in the atmosphere. The volatility of gaseous and particulate phase ship emissions are poorly known despite their potentially significant effect on the evolution of the emissions and their se
Externí odkaz:
https://doaj.org/article/1a2561c10b76436fbb563deb39d0561a
Autor:
Minna Aurela, Fanni Mylläri, Alar Konist, Sanna Saarikoski, Miska Olin, Pauli Simonen, Matthew Bloss, Dmitri Nešumajev, Laura Salo, Marek Maasikmets, Mikko Sipilä, Miikka Dal Maso, Jorma Keskinen, Hilkka Timonen, Topi Rönkkö
Publikováno v:
Atmospheric Environment: X, Vol 12, Iss , Pp 100139- (2021)
In this study, oil shale combustion emission measurements were conducted in a 60 kWth Circulating Fluidized Bed combustion test facility located in a laboratory-type environment. A comprehensive set of instruments including a nitrate-ion-based Chemic
Externí odkaz:
https://doaj.org/article/dce88201986a4f5c9ac3e0cb3dff4428
Autor:
Tuukka Petäjä, Aino Ovaska, Pak Lun Fung, Pyry Poutanen, Jaakko Yli-Ojanperä, Jari Suikkola, Mikko Laakso, Taneli Mäkelä, Jarkko V. Niemi, Jorma Keskinen, Anssi Järvinen, Joel Kuula, Mona Kurppa, Tareq Hussein, Sasu Tarkoma, Markku Kulmala, Ari Karppinen, Hanna E. Manninen, Hilkka Timonen
Publikováno v:
Frontiers in Environmental Science, Vol 9 (2021)
Poor air quality influences the quality of life in the urban environment. The regulatory observation stations provide the backbone for the city administration to monitor urban air quality. Recently a suite of cost-effective air quality sensors has em
Externí odkaz:
https://doaj.org/article/0b26593272b4462d976c1a21a150f073
Autor:
Heidi K. Hyytiäinen, Balamuralikrishna Jayaprakash, Pirkka V. Kirjavainen, Sampo E. Saari, Rauno Holopainen, Jorma Keskinen, Kaarle Hämeri, Anne Hyvärinen, Brandon E. Boor, Martin Täubel
Publikováno v:
Microbiome, Vol 6, Iss 1, Pp 1-12 (2018)
Abstract Background Floor dust is commonly used for microbial determinations in epidemiological studies to estimate early-life indoor microbial exposures. Resuspension of floor dust and its impact on infant microbial exposure is, however, little expl
Externí odkaz:
https://doaj.org/article/c5801905708e4d8194facf56a9866dc0
Autor:
Laura Salo, Antti Rostedt, Heino Kuuluvainen, Kimmo Teinila, Rakesh K. Hooda, Md. Hafizur Rahman, Arindam Datta, Ved Prakash Sharma, Sanjukta Subudhi, Antti Hyvarinen, Hilkka Timonen, Eija Asmi, Sampsa Martikainen, Panu Karjalainen, Banwari Lal, Jorma Keskinen, Topi Ronkko
Publikováno v:
IEEE Sensors Journal. 23:3541-3550
Ambient particles from natural and anthropogenic sources are a major cause of premature deaths globally. While there are many instruments suitable for scientific measurements of aerosols, better methods for long-term monitoring purposes are still nee
Autor:
Zoé Brasseur, Dimitri Castarède, Erik S. Thomson, Michael P. Adams, Saskia Drossaart van Dusseldorp, Paavo Heikkilä, Kimmo Korhonen, Janne Lampilahti, Mikhail Paramonov, Julia Schneider, Franziska Vogel, Yusheng Wu, Jonathan P. D. Abbatt, Nina S. Atanasova, Dennis H. Bamford, Barbara Bertozzi, Matthew Boyer, David Brus, Martin I. Daily, Romy Fösig, Ellen Gute, Alexander D. Harrison, Paula Hietala, Kristina Höhler, Zamin A. Kanji, Jorma Keskinen, Larissa Lacher, Markus Lampimäki, Janne Levula, Antti Manninen, Jens Nadolny, Maija Peltola, Grace C. E. Porter, Pyry Poutanen, Ulrike Proske, Tobias Schorr, Nsikanabasi Silas Umo, János Stenszky, Annele Virtanen, Dmitri Moisseev, Markku Kulmala, Benjamin J. Murray, Tuukka Petäjä, Ottmar Möhler, Jonathan Duplissy
Publikováno v:
Atmospheric Chemistry and Physics, 22 (8), 5117–5145
Atmospheric Chemistry and Physics, 22 (8)
Atmospheric Chemistry and Physics, 22 (8)
The formation of ice particles in Earth's atmosphere strongly influences the dynamics and optical properties of clouds and their impacts on the climate system. Ice formation in clouds is often triggered heterogeneously by ice-nucleating particles (IN
Autor:
Christoph Haisch, Anastasios Kontses, Miikka Dal Maso, Klemens M. Thaler, Zissis Samaras, Panu Karjalainen, Sanna Saarikoski, Andreas Vohburger, Minna Aurela, Markus Weber, Reinhard Niessner, Hilkka Timonen, Zisimos Toumasatos, Joni Kalliokoski, Genny A. Pang, Sampsa Martikainen, Jorma Keskinen, Pauli Simonen, Lorenza Gilardi
Publikováno v:
Aerosol Science and Technology. 55:886-900
Current legislations typically characterize systems of aerosols, such as from vehicle exhaust, primarily by number concentration and size distributions. While potential health threats have a dependence on the particle size, the chemical composition o