Detection of Brownian Torque in a Magnetically-Driven Rotating Microsystem

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 microparti...

Descripción completa

Detalles Bibliográficos
Autores principales: Romodina, Maria N., Lyubin, Evgeny V., Fedyanin, Andrey A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4753417/
https://www.ncbi.nlm.nih.gov/pubmed/26876334
http://dx.doi.org/10.1038/srep21212
_version_ 1782415859664289792
author Romodina, Maria N.
Lyubin, Evgeny V.
Fedyanin, Andrey A.
author_facet Romodina, Maria N.
Lyubin, Evgeny V.
Fedyanin, Andrey A.
author_sort Romodina, Maria N.
collection PubMed
description 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.
format Online
Article
Text
id pubmed-4753417
institution National Center for Biotechnology Information
language English
publishDate 2016
publisher Nature Publishing Group
record_format MEDLINE/PubMed
spelling pubmed-47534172016-02-23 Detection of Brownian Torque in a Magnetically-Driven Rotating Microsystem Romodina, Maria N. Lyubin, Evgeny V. Fedyanin, Andrey A. Sci Rep Article 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. Nature Publishing Group 2016-02-15 /pmc/articles/PMC4753417/ /pubmed/26876334 http://dx.doi.org/10.1038/srep21212 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Romodina, Maria N.
Lyubin, Evgeny V.
Fedyanin, Andrey A.
Detection of Brownian Torque in a Magnetically-Driven Rotating Microsystem
title Detection of Brownian Torque in a Magnetically-Driven Rotating Microsystem
title_full Detection of Brownian Torque in a Magnetically-Driven Rotating Microsystem
title_fullStr Detection of Brownian Torque in a Magnetically-Driven Rotating Microsystem
title_full_unstemmed Detection of Brownian Torque in a Magnetically-Driven Rotating Microsystem
title_short Detection of Brownian Torque in a Magnetically-Driven Rotating Microsystem
title_sort detection of brownian torque in a magnetically-driven rotating microsystem
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4753417/
https://www.ncbi.nlm.nih.gov/pubmed/26876334
http://dx.doi.org/10.1038/srep21212
work_keys_str_mv AT romodinamarian detectionofbrowniantorqueinamagneticallydrivenrotatingmicrosystem
AT lyubinevgenyv detectionofbrowniantorqueinamagneticallydrivenrotatingmicrosystem
AT fedyaninandreya detectionofbrowniantorqueinamagneticallydrivenrotatingmicrosystem

Ejemplares similares