Browsing Rutenberg, Andrew by Submit Date
Now showing items 1-18 of 18
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Maximally fast coarsening algorithms
We present maximally fast numerical algorithms for conserved coarsening systems that are stable and accurate with a growing natural time step Deltat=At2/3s. We compare the scaling structure obtained from our maximally fast ... -
Dynamics of dislocations and surface instabilities in misfitting heteroepitaxial films
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Dislocations and morphological instabilities: Continuum modeling of misfitting heteroepitaxial films
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Monodisperse domains by proteolytic control of the coarsening instability
The coarsening instability typically disrupts steady-state cluster-size distributions. We show that degradation coupled to the cluster size, such as arising from biological proteolysis, leads to a fixed-point cluster size. ... -
Pulling helices inside bacteria: imperfect helices and rings
We study steady-state configurations of intrinsically-straight elastic filaments constrained within rod-shaped bacteria that have applied forces distributed along their length. Perfect steady-state helices result from axial ... -
Self-organization of the MinE protein ring in subcellular Min oscillations
We model the self-organization of the MinE ring that is observed during subcellular oscillations of the proteins MinD and MinE within the rod-shaped bacterium Escherichia coli. With a steady-state approximation, we can ... -
Steady-state helices of the actin homolog MreB inside bacteria: dynamics without motors
Within individual bacteria, we combine force-dependent polymerization dynamics of individual MreB protofilaments with an elastic model of protofilament bundles buckled into helical configurations. We use variational ... -
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Pattern formation inside bacteria: Fluctuations due to the low copy number of proteins
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Temperature dependence of MinD oscillation in Escherichia coli: Running hot and fast
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Diffusion of Asymmetric Swimmers
Asymmetric swimmers that would move at a constant speed in perfect circles in the absence of fluctuations were studied. Particles moving at a constant speed with either a fixed or a Gaussian distributed magnitude of curvature ... -
Clocking out: modeling phage-induced lysis of Escherichia coli
Phage lambda lyses the host Escherichia coli at a precisely scheduled time after induction. Lysis timing is determined by the action of phage holins, which are small proteins that induce hole formation in the bacterium's ... -