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Topic: high-resolution imaging

Seminar
2 seminars

In Biology and Biomechanics

Seminar · Optical Engineering

Trackoscope: A low-cost, open, autonomous tracking microscope for long-term observations of microscale organisms

Priya Soneji · Georgia Institute of Technology

Tue, Oct 8, 2024 · 16:00 UTC

Cells and microorganisms are motile, yet the stationary nature of conventional microscopes impedes comprehensive, long-term behavioral and biomechanical analysis. The limitations are twofold: a narrow focus permits high-resolution imaging but sacrifices the broader context of organism behavior, while a wider focus compromises microscopic detail. This trade-off is especially problematic when investigating rapidly motile ciliates, which often have to be confined to small volumes between coverslips affecting their natural behavior. To address this challenge, we introduce Trackoscope, an 2-axis au

Seminar · Molecular Neuroscience

Neuron-glia interactions in synapse degeneration in Alzheimer's disease

Tara Spires-Jones · UK Dementia Research Institute and Centre for Discovery Brain Sciences, The University of Edinburgh, Edinburgh, UK

Thu, Dec 10, 2020 · 12:15 UTC

Tara Spires-Jones’ research focuses on the mechanisms and reversibility of neurodegeneration in Alzheimer’s disease, other degenerative brain diseases, and ageing. The objective of her research group is to understand why synapses and neurons become dysfunctional and die in these diseases in order to develop effective therapeutic strategies. Her work has shown that soluble forms of the pathological proteins amyloid beta and tau contribute to synapse degeneration, and that lowering levels of these proteins can prevent and reverse phenotypes in model systems. Further, she has pioneered high-reso