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cond-mat.soft2008
Botanical Ratchets
I. M. Kulić, M. Mani, H. Mohrbach +2
Ratcheting surfaces are a common motif in nature and appear in plant awns and grasses. They are known to profer selective advantages for seed dispersion and burial. In two simple m…
cond-mat.soft2005
Apparent Persistence Length Renormalization of Bent DNA
Igor M. Kulic, H. Mohrbach, V. Lobaskin +2
We derive the single molecule equation of state (force-extension relation) for DNA molecules bearing sliding loops and deflection defects. Analytical results are obtained in the la…
cond-mat.soft2004
Twirling DNA Rings - Swimming Nanomotors Ready for a Kickstart
Igor M. Kulic, Rochish Thaokar, Helmut Schiessel
We propose a rotary DNA nanomachine that shows a continuous rotation with a frequency of 10^2 -10^4 Hz. This motor consists of a DNA ring whose elastic features are tuned such that…