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Scientific Highlights

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Datum
18 novembre 2020
Kaspar Dällenbach

Which particulate air pollution poses the greatest health risk?

Media Releases Energy and Environment Human Health Enviroment

The composition of particulate matter can influence its harmfulness to human health just as much as the amount, PSI researchers show in a newly published study. Experiments and computational modelling showed that in Europe high concentrations of particulate matter harmful to human health occur mainly in metropolitan areas.

En savoir plus
1 octobre 2020
Iodsäure beeinflusst Wolkenbildung am Nordpol

Iodic acid influences cloud formation at the North Pole

Energy and Environment Enviroment

An international team of scientists has identified a novel driver of new aerosol particle formation in the Arctic: iodic acid, a chemical compound, which had not previously been observed in the region.

En savoir plus
18 mai 2020
Artwork illustrating inhomogeneities in a megacity

Newly discovered rapid particle growth rates may be the answer to the mystery of aerosol formation in urban smog

Aerosols, suspended particles or droplets, play a key role in Earth’s atmosphere’s energy balance. They can also result in smog formation in cities, which leads to low visibility and serious health risks for the population. A recent study published in Nature outlines a newly discovered mechanism that may play a key role in the continued survival of particles in wintertime smog.

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13 mars 2020
Teaser: Erstmals chemische Reaktionen direkt im Feinstaub nachgewiesen

First-time direct proof of chemical reactions in particulates

Media Releases Enviroment Energy and Environment

Researchers at the Paul Scherrer Institute PSI have developed a new method to analyse particulate matter more precisely than ever before. With its help, they disproved an established doctrine: that molecules in aerosols undergo no further chemical transformations because they are enclosed in other particulate matter.

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20 septembre 2019
Teaser 13 Monate in der Arktis

Thirteen months in the Arctic

Enviroment Energy and Environment

A PSI research project investigating atmospheric chemistry will be on board the icebreaker Polarstern on 20th September 2019. Researcher Julia Schmale talks about the upcoming expedition and her role in it.

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25 juillet 2019
Teaser Forschen über den Wolken

Research above – and about – the clouds

Enviroment Energy and Environment

At the Jungfraujoch research station, PSI scientists study particulate matter in the atmosphere. And have to deal with the fact that the human body is not made for life at 3,500 metres above sea level.

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13 juin 2019
teaser an frischer luft und im smog

In fresh air and in smog

Enviroment Energy and Environment

PSI researchers drill through millennia-old glacier ice in the high mountains and analyse the world's highest particulate concentrations in Delhi, India. They are helping to address questions regarding climate change and to reduce air pollution.

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13 juillet 2017

Gasoline cars produce more carbonaceous particulate matter than modern filter-equipped diesel cars

In contrast to nitrogen oxides, modern gasoline cars emit much more cancerogenic primary soot (black carbon + primary organic aerosol) and lead to more toxic secondary organic aerosol than modern diesel vehicles.

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14 décembre 2016
teaser picture

The open-air researcher

Energy and Environment Enviroment

Atmospheric scientist Julia Schmale is starting out on a three-month research cruise around the Antarctic. There she will be searching for the cleanest air still to be found on our planet.

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Laboratory of Atmospheric Chemistry
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Forschungsstrasse 111
5232 Villigen PSI
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Claudia Indlekofer

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+41 56 310 2522
E-mail:
claudia.indlekofer@psi.ch

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