Active Particles in Complex and Crowded Environments

There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

Abstract

Related collections

Most cited references 443

Record: found
Abstract: not found
Article: not found

Colloquium: Topological insulators

M. Hasan, C. L. Kane (2010)

0 comments Cited 1427 times – based on 0 reviews      Review now

Record: found
Abstract: not found
Article: not found

Novel Type of Phase Transition in a System of Self-Driven Particles

Tamás Vicsek, Andras Czirok, Eshel Ben-Jacob … (1995)

0 comments Cited 877 times – based on 0 reviews      Review now

Record: found
Abstract: found
Article: not found

Microscopic artificial swimmers.

Rémi Dreyfus, Jean Baudry, Marcus L Roper … (2005)

Microorganisms such as bacteria and many eukaryotic cells propel themselves with hair-like structures known as flagella, which can exhibit a variety of structures and movement patterns. For example, bacterial flagella are helically shaped and driven at their bases by a reversible rotary engine, which rotates the attached flagellum to give a motion similar to that of a corkscrew. In contrast, eukaryotic cells use flagella that resemble elastic rods and exhibit a beating motion: internally generated stresses give rise to a series of bends that propagate towards the tip. In contrast to this variety of swimming strategies encountered in nature, a controlled swimming motion of artificial micrometre-sized structures has not yet been realized. Here we show that a linear chain of colloidal magnetic particles linked by DNA and attached to a red blood cell can act as a flexible artificial flagellum. The filament aligns with an external uniform magnetic field and is readily actuated by oscillating a transverse field. We find that the actuation induces a beating pattern that propels the structure, and that the external fields can be adjusted to control the velocity and the direction of motion.