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Condensed Matter / Biophysics Seminar – Ugur Cetiner (Harvard Medical School)
The role of energy in cellular information processing
The development of new experimental methods in biology and the ability to probe life at the nanoscale have been redrawing the intellectual landscape of non-equilibrium physics. I am going to discuss how energy expenditure can be used to gain new functional capabilities, especially in the context of biological error correction. Also, I am going to discuss new, energy-induced bounds on cellular information processing and suggest experiments to test these ideas. These bounds are universal, in the sense of holding for any Markov process, irrespective of underlying parameter sets, and they are valid even if the underlying system operates far from thermodynamic equilibrium. Our results suggest how we can â€œfollow the energyâ€ to unravel the functional logic of non-equilibrium systems in physics and biology.