منابع مشابه
A self-propelled biological process: Plk1-dependent, product-activated feedforward mechanism.
The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters. self-propelled biological process Plk1-dependent product-activated, feed-forward mechanism. Cell Cycle 10(20): 3411-2.
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An asymmetric microgear will spontaneously and unidirectionally rotate if it is heated in a cool surrounding solvent. The resulting temperature gradient along the edges of the gear teeth translates in a directed thermophoretic force, which will exert a net torque on the gear. By means of computer simulations, the validity of this scenario is proved. The rotational direction and speed are depend...
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We report that liquids perform self-propelled motion when they are placed in contact with hot surfaces with asymmetric (ratchetlike) topology. The pumping effect is observed when the liquid is in the Leidenfrost regime (the film-boiling regime), for many liquids and over a wide temperature range. We propose that liquid motion is driven by a viscous force exerted by vapor flow between the solid ...
متن کاملBrownian motion of a self-propelled particle.
Overdamped Brownian motion of a self-propelled particle is studied by solving the Langevin equation analytically. On top of translational and rotational diffusion, in the context of the presented model, the 'active' particle is driven along its internal orientation axis. We calculate the first four moments of the probability distribution function for displacements as a function of time for a sp...
متن کاملLight-activated self-propelled colloids.
Light-activated self-propelled colloids are synthesized and their active motion is studied using optical microscopy. We propose a versatile route using different photoactive materials, and demonstrate a multiwavelength activation and propulsion. Thanks to the photoelectrochemical properties of two semiconductor materials (α-Fe2O3 and TiO2), a light with an energy higher than the bandgap trigger...
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ژورنال
عنوان ژورنال: Cell Cycle
سال: 2011
ISSN: 1538-4101,1551-4005
DOI: 10.4161/cc.10.20.17522