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Environmental chemistry

Environmental chemistry at CMB consists of three research constellations; atmospheric sciences, marine chemistry and environmental nanochemistry. The strength of the environmental chemistry grouping derives from a solid background in fundamental chemistry fields, in particular in analytical and physical chemistry.

Atmospheric science at CMB consists of researchers with backgrounds in chemistry and environmental physics. This atmospheric science constellation is unique in Sweden in that it takes a molecular approach to transport and reaction processes in the atmosphere. A unifying research theme is the study of aerosols, and the activities range from fundamental studies of chemical reactions on the molecular level, to applied work including field studies of atmospheric processes. In addition to the fundamental interest, these studies are of key importance to current climate and air quality research and contribute to developments in the fields of colloidal chemistry, nanotechnology and medicine.

The marine chemistry constellation addresses a range of topics related to climate change. The region where climate change is first manifested is at high latitudes, notably the Arctic, with its high potential impact on biogeochemical processes and feedbacks to the global climate system. Since the 1980’s, scientists at CMB have been actively involved in marine polar research aiming at a deeper understanding of the mechanisms of chemical processes in the marine environment, and the rates and pathways of processes that affect the concentrations and distributions of substances in the sea, and the effects of changes in anthropogenic and natural chemical forcing (e.g. organic matter, greenhouse gases, redox conditions, pH and nutrients) on the ocean system including interactions with other Earth System compartments.

The environmental nanochemistry constellation develops methods to characterize nanomaterials in environmental aqueous media. Fate and reactivity studies are also performed to understand geochemical processes and transport of nanoparticles in the environment, to study the size-dependent reactivity of synthetic nanoparticles, and to study surface interaction mechanisms. The main test nanomaterials include Titanium dioxide (TiO2), silver (Ag) and gold (Au) nanoparticles.

Page Manager: Katleen Burm|Last update: 9/23/2013

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