Sentence examples for persistent walk from inspiring English sources

We have concluded that starved Dictyostelium cells exhibit a persistent walk that is based on split pseudopodia retaining the direction of movement and de novo pseudopodia providing a change of direction.

These analyses indicated that only EGF-treated siCTRL cells displayed a persistent walk; all other treatments yielded random walk patterns.

On the other hand, for a directional persistent walk, we expect that 5 where again B is proportional to the mean step size.

By plotting log D1, j as a function of log T j, we expect to find a linear plot with slope ½ and intercept log A for a random walk, whereas the slope should be unity with intercept log B for a persistent walk.

To exemplify potential relevance to tumor progression, one might consider the best scenario to hit a rare target: In case the persistent walk goes in the right direction, from {0,0} to { x, y}, it would get there in the order of steps.

— LIZZY RATNER HOUSE OF THE SHADOW PEOPLE The first sign of something strange about the second-floor apartment of this century-old rowhouse in Bay Ridge, Brooklyn, was the sound of footsteps, loud and persistent, walking up the stairs: heel-toe, heel-toe, heel-toe.

The optimal search strategy may include specialized random walks such as Levy walks with heavy power-law tail distributions, or persistent walks with preferred movement in a similar direction.

The following behaviors were considered for analyses: Sting, the insertion of the female ovipositor into the host's body, characterized by the curving of the abdomen in a forward position between the third pair of legs; Attack, similar to sting but with no successful insertion of the ovipositor into host's body; Walking, a persistent walking movement all over the experimental arena.

Also, methods where weights of two competing models (Lévy versus exponential) are calculated (maximum likelihood estimates along with Akaike weight calculations [21], [22] could be useful to identify the true model to describe the observed search patterns. The persistent random walk model (PRW) [27] (a form of correlated random walk) has often been used to model mammalian cell migration.

The cells were considered to move with a persistent random walk [31], [32] as immune cells has been found to walk in consistent directions on the short timescales (min), but exhibit random migration in the long term [33].

We found that stable-bleb cells plated on Fibronectin-coated substrates under confinement displayed exceptionally fast and directional movements with average cell speed < v cell > = 17.1 ± 0.6 μm/min (n = 67 cells) and persistence length of approximately four cell diameters, best described by a persistent random walk model over long timescales.