Research output per year
Research output per year
Personal profile
Education/Academic qualification
Filosofian maisteri (luonnontieteellinen), University of Helsinki
… → 21 Jun 2017
Award Date: 21 Jun 2017
Luonnontieteiden kandidaatti, University of Helsinki
… → 13 Feb 2015
Award Date: 13 Feb 2015
External positions
Researcher, Suomen ympäristökeskus
7 Jan 2020 → 31 May 2020
Väitöskirjatutkija, Suomen Ympäristökeskus - Finnish Environment Institute (SYKE)
1 Jun 2018 → …
Fields of Science
- 116 Chemical sciences
- Microplastics
- FTIR-microscope
- Sample pretreatment
- 1172 Environmental sciences
- Sewage sludge
- Wastewater effluent
- Sewage sludge compost
International and National Collaboration
Publications and projects within past five years.
-
Quantification of different microplastic fibres discharged from textiles in machine wash and tumble drying
Kärkkäinen, N. H. & Sillanpää, M., Apr 2021, In: Environmental Science and Pollution Research. 28, 13, p. 16253–16263 11 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Analysis of steroids in urine by gas chromatography-capillary photoionization-tandem mass spectrometry
Pöhö, P., Scholz, K., Kärkkäinen, N., Haapala, M., Räikkönen, H., Kostiainen, R. & Vaikkinen, A., 2 Aug 2019, In: Journal of Chromatography. A. 1598, p. 175-182 8 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Sample Preparation for Chromatography Analysis of Steroids in Biological Samples
Kärkkäinen, N., 2017Research output: Thesis › Master's thesis
-
Field measurements of biogenic volatile organic compounds in the atmosphere by dynamic solid-phase microextraction and portable gas chromatography-mass spectrometry
Feijo Barreira, L. M., Parshintsev, J., Kärkkäinen, N., Hartonen, K., Jussila, M., Kajos, M., Kulmala, M. & Riekkola, M-L., Aug 2015, In: Atmospheric Environment. 115, p. 214-222 9 p.Research output: Contribution to journal › Article › Scientific › peer-review