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, Christian Holm.
On the importance of hydrodynamic interactions in polyelectrolyte electrophoresis.
Journal of Physics: Condensed Matter 20:494217, 2008.
[PDF] (245 KB)
Kai Grass, Ute Böhme, Ulrich Scheler, Hervé Cottet, Christian Holm.
Importance of Hydrodynamic Shielding for the Dynamic Behavior of Short Polyelectrolyte Chains.
Physical Review Letters 100(9):096104, 2008.
[PDF] (115 KB)
Martin O. Steinhauser, Kai Grass, Elmar Strassburger, Alexander Blumen.
Impact failure of granular materials – Non-equilibrium multiscale simulations and high-speed experiments.
International Journal of Plasticity XXX:XXX, 2008.
[PDF] (5.2 MB)
Martin O. Steinhauser, Kai Grass, Klaus Thoma, Alexander Blumen.
Impact dynamics and failure of brittle solid states by means of nonequilibrium molecular dynamics simulations.
Europhysics Letters 73:62–68, 2006.