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During my PhD thesis (Media:Grass-thesis.pdf), I investigated the structure formation and dynamics of polyelectrolytes during DNA_Electrophoresis. This work is closely related to the separation of DNA during sequencing using varying electrophoretic techniques. My work will included theoretical approaches as well as extensive computer simulations with newly devised models. The work led to a deeper understanding of the complex mechanisms involved in this process. A seconde research topic was the study of different label types for end-labeled free-solution electrophoresis (ELFSE)
Further research topics are electro-hydrodynamics in confinement and an iPBS interative Poisson Boltzmann solver.
I am also interested in analyzing and simulating surprising properties of various other complex systems.
My other personal interests are karate and roleplaying games.
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Kai Grass and Christian Holm.
"On the importance of hydrodynamic interactions in polyelectrolyte electrophoresis".
Journal of Physics: Condensed Matter
[PDF] (245 KB)
Kai Grass and Ute Böhme and Ulrich Scheler and Hervé Cottet and Christian Holm.
"Importance of Hydrodynamic Shielding for the Dynamic Behavior of Short Polyelectrolyte Chains".
Physical Review Letters
[PDF] (115 KB)
Martin O. Steinhauser and Kai Grass and Elmar Strassburger and Alexander Blumen.
"Impact failure of granular materials – Non-equilibrium multiscale simulations and high-speed experiments".
International Journal of Plasticity
[PDF] (6 MB)
Martin O. Steinhauser and Kai Grass and Klaus Thoma and Alexander Blumen.
"Impact dynamics and failure of brittle solid states by means of nonequilibrium molecular dynamics simulations".