Seminar by Matthias F. Schneider – University of Copenhagen

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Center for Models of Life > Meetings & Seminars > 2017 > Seminar by Matthias F....

Seminar by Matthias F. Schneider

From Physics to Biology. Pulses, Fluctuations, Non-linearities (Transitions) ... Life.

Matthias F. Schneider
Medical and Biological Physics, TU – Dortmund, Germany

Life is full of hydrated interface that all have to obey the 2nd Law. The enormous power of this realization and it’s consequences for life were first pointed out by K. Kaufmann starting in the late 80ties. This work is strongly inspired by his work.

We demonstrate a direct link between thermodynamic state and (biological) function using Einstein’s approach to Thermodynamics. Including transitions we introduce a concept for specificity, which is based on thermodynamics. Further we show that pulses (linear and non-linear) can propagate through soft (biological) interfaces and can turn enzymes on and off.

Taken together, fluctuations, pulses and (thermodynamic) transitions built a physical concept for biological communication, which is applied to nerve pulse propagation and which forms the cornerstone of a new attempt to understand the origin of multicellular life and health.

Importantly, this mind set is in strong contrast to the molecular approach were specific lock and key interactions + diffusion plays the crucial role.