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Non-Markovian Modeling of Nonequilibrium Fluctuations and Dissipation in Active Viscoelastic Biomatter

In our recent paper published in Physical Review Letters we have developed a model for viscoelastic active biomatter. This model incorporates the elastic coupling between a tracer bead and an active viscoelastic medium, yielding closed-form analytical predictions for the tracer autocorrelation and response function. We have demonstrated that these analytical predictions are in excellent agreement with experimental data for red blood cells (RBCs) and actomyosin networks. Amir Abbasi, Roland R. Netz, Ali Naji – Phys. Rev. Lett. 131, 228202 – Published November 30, 2023 – DOI: 10.1103/PhysRevLett.131.228202

Dec 01, 2023

Proton transfer insights from IR spectroscopy

In a recent publication in Nature Communications, we show how the infrared spectroscopic signatures of hydrochloric acid solutions are related to proton-transfer processes between water molecules, the elementary step of the long-range Grotthus transport. In a second work that just appeared in the Journal of Chemical Physics, the IR band shapes produced by proton-transfer events are derived using analytical models for the barrier-crossing dynamics as a proton moves from one water molecule to a neighboring one. You can check out the articles here! https://www.nature.com/articles/s41467-022-31700-x https://aip.scitation.org/doi/10.1063/5.0116686

Jan 18, 2023

Visiting Professors Marie-Laure Bocquet and Lyderic Bocquet

The AG Netz is pleased to host Professors Marie-Laure Bocquet and Lyderic Bocquet from the Ecole Normale Superieure in Paris, for the months of May and June 2022. Prof. Lyderic Bocquet is visiting thanks to an Alexander von Humboldt Research Award and was also just awarded the 2022 Gentner-Kastler Prize by the DPG

May 02, 2022

How Ions Evaporate from Water

Our new paper in Nature Communications Chemistry gives insights on the evaporation energetics and kinetics of a chloride ion from liquid water using molecular simulations. Check out this blog entry to watch cool videos.

Apr 26, 2022


  • AG Roland Netz, Bio Soft Matter Theory