Christina Rudén, Professor of Regulatory Toxicology and Ecotoxicology at ACES, has been appointed the Government’s special investigator on how chemicals legislation could also include mixtures and grouping of chemicals. Photo: Annika Hallman

Mission: To manage the cocktail effect

What happens when we are exposed to many chemicals in a complex mix? Who is responsible for the mixture? And how does it affect people, animals and the environment? As the Swedish government’s special investigator, Christina Rudén, Professor of Regulatory Toxicology and Ecotoxicology at the Department of Environmental Sciences and Analytical Chemistry (ACES), Stockholm University, will propose strategies for taking …

In a role-playing exercise the students should act as representatives from different countries in a climate negotiation about how to live up to the Paris Agreement from 2015. Photo: Annika Hallman

Students negotiated about the climate

What is climate change and what can we do about it? That was the main question when the annual Climate Festival took place in Geohuset at Frescati in May. The festival is aimed primarily at young people in elementary school and high school and during three days they could meet climate researchers at Stockholm University to learn more about climate …

Part of the research team at the measurement station Chacaltaya, Bolivia. Claudia Mohr, ACES, is seen to the left. Photo: Claudia Mohr

Atmospheric research at the top

A team of atmospheric scientists from the Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, is currently taking part in a two month project to measure the composition of the atmosphere at the highest atmospheric research station in the world. The station is situated in the Bolivian Andes at 5 240 meters above sea level. “We have assembled …

Zhe Li, postdoc, and Michael McLachlan, Professor, both at ACES, are the only researchers from a Swedish University on the list. Photo: Annika Hallman

Two researchers at ACES appointed as Outstanding Reviewers

In the age of fake news the system with peer reviewing might be even more important, believe the researchers at ACES who are highlighted as “Outstanding Reviewers” for the scientific journal Environmental Science: Processes & Impacts in 2017. Professor Michael McLachlan and postdoc Dr Zhe Li, both at ACES, have been appointed as “Outstanding Reviewers” in a list with a …

Reduced levels of exhaust emissions from road traffic have resulted in a better air quality. The picture shows part of Södermalm, Stockholm. Photo: Astrid Vågen/Wikimedia Commons

Cleaner air has increased life expectancy by up to 1 year

The residents of Stockholm, Gothenburg and Malmö live one year longer today than 25 years ago. The reason is that the levels of air pollutants from road traffic have fallen. This is shown in a new study published in the discussion forum of the scientific journal Atmospheric Chemistry and Physics by researchers at the Department of Environmental Sciences and Analytical …

Four programmes at ACES in the autumn

In the autumn 2018 four programmes will be offered at the Department of Environmental Sciences and Analytical Chemistry (ACES). Deadline for application is the 16th of April. There will be three master programmes at the institution: Analytical Chemistry, Environmental Science and a completely new master programme in Swedish, Miljö- och hälsoskydd. In addition, a Kandidatprogram i miljövetenskap will start, this …

Schematic set-up of the Arctic Ocean 2018 expedition on board the icebreaker Oden. Picture: Paul Zieger

Connecting the sea to the sky: an ice-drift expedition in the high Arctic during summer 2018

How important is marine microbiology to clouds in the summertime high Arctic and how important is this connection for climate in the region? This is a key focus of a two month research expedition that will take place in the high Arctic this summer. The planning for such an expedition takes years and the ACES researchers who are participating are …

Plastic litter in the environment has accumulated in the global ocean. Photo: Berit Gewert

Ocean plastics could be splintered into a soup of chemicals by sunlight

Plastic floating on the ocean is probably a constant source of chemical pollutants according to new research done at the Department of Environmental Science and Analytical Chemistry (ACES). By building a novel “weathering wheel” ACES researchers were able to rapidly age plastic and identify chemicals that will enter ocean water. The study opens the door to better characterize the risks …

Jana Johanssons doctoral thesis “Sources, transport and fate of perfluoroalkyl substances in the atmosphere” was awarded during a conference in Helsinki. Photo: Annika Hallman

Thesis about aerosols awarded as the best of 2017

Jana Johansson, postdoc at the Department of Environmental Science and Analytical Chemistry (ACES), has received the Early Career Scientists’ aerosologist award for the best thesis of 2017. Jana Johansson works within the field of contaminant chemistry and in her research she focuses on perfluorinated alkyl acids (PFAAs), chemicals that have been detected even in remote areas such as the Arctic, …

The cocktail effect means that chemical substances can exacerbate each other’s dangerous effects. Photo: Pedro Vásquez Colmenares Flickr cc

The Swedish government is investigating the cocktail effect of chemicals

The government has appointed Christina Rudén, Professor of Regulatory Toxicology and Ecotoxicology at the Department of Environmental Sciences and Analytical Chemistry (ACES), as a special investigator in an investigation, which will propose strategies for taking into account the cocktail effect in legislation regulating chemicals. The cocktail effect means that chemical substances can exacerbate each other’s dangerous effects and the government …

Illustration: Kerstin Winkens

Exposure to highly fluorinated chemicals peaks in early life

People are surrounded by thousands of chemicals in their everyday life, so are children. One of the chemical groups of concern are the so called highly fluorinated chemicals, PFASs. A recently defended doctoral thesis from Kerstin Winkens at ACES investigates children’s exposure to these chemicals and demonstrates that children are exposed to a wide range of PFASs through multiple pathways …

The article describes how passive dosing can be used to maintain stable exposure concentrations of the bacteriocide triclosan.

Article on how contaminants affect the environment selected as one of ET&C’s best papers of 2017

A method that helps maintain stable exposure concentrations of organic contaminants over several weeks. This is described in an article by researchers at ACES that has been selected as one of the Best Papers of 2017 in the scientific journal Environmental Toxicology and Chemistry. Using this method it is possible to perform studies on how contaminants like triclosan, previously used …

Contact information

Visiting addresses:

Geovetenskapens Hus,
Svante Arrhenius väg 8, Stockholm

Arrheniuslaboratoriet, Svante Arrhenius väg 16, Stockholm (Unit for Analytical and Toxicological Chemistry)

Mailing address:
Department of Environmental Science and Analytical Chemistry (ACES)
Stockholm University
106 91 Stockholm

Press enquiries should be directed to:

Annika Hallman
Science Communicator
Phone +46 (0)8 16 15 53
Mobile +46 (0)70 664 22 64
annika.hallman@aces.su.se