| Autor: |
Romodina MN; Faculty of Physics, Lomonosov Moscow State University, Moscow 119991, Russia., Lyubin EV; Faculty of Physics, Lomonosov Moscow State University, Moscow 119991, Russia., Fedyanin AA; Faculty of Physics, Lomonosov Moscow State University, Moscow 119991, Russia. |
| Jazyk: |
angličtina |
| Zdroj: |
Scientific reports [Sci Rep] 2016 Feb 15; Vol. 6, pp. 21212. Date of Electronic Publication: 2016 Feb 15. |
| DOI: |
10.1038/srep21212 |
| Abstrakt: |
Thermal fluctuations significantly affect the behavior of microscale systems rotating in shear flow, such as microvortexes, microbubbles, rotating micromotors, microactuators and other elements of lab-on-a-chip devices. The influence of Brownian torque on the motion of individual magnetic microparticles in a rotating magnetic field is experimentally determined using optical tweezers. Rotational Brownian motion induces the flattening of the breakdown transition between the synchronous and asynchronous modes of microparticle rotation. The experimental findings regarding microparticle rotation in the presence of Brownian torque are compared with the results of numerical Brownian dynamics simulations. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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