bioRxivBiophysics
Event-triggered STED imaging
Abstract
The observation of protein organization during cellular signalling calls for imaging methods with increased spatial and temporal resolution. STED nanoscopy can access dynamics of nanoscale structures in living cells. However, the available number of recordable frames is often limited by photo-bleaching. Here, we present an automated method, event-triggered STED, which instantly (< 40 ms) images synaptic proteins with high spatial and temporal resolution (~30 nm, 2.5 Hz) in small regions upon and at the site of local calcium sensing.
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