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Health effects of fine particles brought to our living rooms

Blog post by Katrianne Lehtipalo, Research Scientist at PSI.   A recent article in Science [1] featured growing evidence that air pollution, especially fine particles, could be linked, not only to lung and heart disease, but also to Alzheimer’s and dementia. This kind of findings ought to interest people also outside the readership of scientific journals. […]

On measurement of particle size distribution of sub 5 nm aerosol particles; by Joonas Vanhanen, Nano Enthusiast and Airmodus CTO

Nano particles have been sized based on their electrical mobility. This is not efficient because most of the nano particles are electrically neutral. Measuring the particle size distribution typically consist of detecting size selected particles with an aerosol particle detector such as Condensation Particle Counter (CPC). This is also the working principle of Scanning Mobility […]

Blue-sky science

This August I started as visiting scientist at the Paul Scherrer Institute in Switzerland. My project focuses on understanding how, when and why vapor molecules form clusters and aerosol particles. The project is funded by the European Comission’s Horizon 2020 programme under Marie Sklodowska Curie actions. Horizon 2020 is the EU’s biggest investment in research and […]

Making money or making science?

Finnish leading politicians were recently suggesting that researchers at universities should be encouraged to work temporary as private entrepreneurs. Also many international funding schemes demand close co-operation between the academia and the private sector, or that the funded scientists work a short period in a company. Even though I’m myself currently back full-time in academia, […]

Can we change the world by (teaching) science?

This autumn I have been lecturing thermodynamics to second year physics students. Preparing lectures have taken a major part of my working hours, and every day I have been scanning my surroundings to find interesting every-day phenomena that I could use as examples on my lectures. For a scientist, teaching is always away from the […]



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