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Studying membrane bioactivity with super-resolution optical microscopy

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  • UserProfessor Christian Eggeling, Weatherall Institute of Molecular Medicine, Oxford
  • ClockTuesday 05 April 2016, 16:00-17:00
  • HousePfizer LT.

If you have a question about this talk, please contact Alice Wood.

Molecular interactions in the plasma membrane of living cells are key in cellular signalling. Protein-protein or protein-lipid complexes, the formation of lipid nanodomains (often denoted “rafts”), or diffusional restrictions by the cortical cytoskeleton are considered to play a functional part in a whole range of membrane-associated processes. The direct and non-invasive observation of such interactions in living cells is often impeded by principle limitations of conventional far-field optical microscopes, specifically with respect to limited spatio-temporal resolution.

We present how novel details of molecular membrane dynamics can be obtained by using advanced microscopy approaches such as the combination of super-resolution STED microscopy with fluorescence correlation spectroscopy (STED-FCS). We will focus on new insights into the lipid “raft” theory, and on the role of plasma membrane and cytoskeleton organization in the triggering of immune cells, specifically during T-cell activation

This talk is part of the Physical Chemistry Research Interest Group series.

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