Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 30, Issue 26, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-648X/aac61b
Keywords
active soft matter; Janus particles; self-propelled motion; binary mixtures; transport; confinement
Categories
Funding
- FWO-JSPS bilateral project
- 'Odysseus' Program of the Flemish Government
- Flemish Research Foundation (FWO-Vl) (Belgium)
- NSFC [11204199]
- Shanxi Scholarship Council [2016-096]
- Fund for Shanxi Key Subjects Construction of China
- MURI Center for Dynamic Magneto-Optics via the AFOSR Award [FA9550-14-1-0040]
- Army Research Office (ARO) [73315PH]
- AOARD grant [FA2386-18-1-4045]
- IMPACT program of JST
- JSPS-RFBR [17-52-50023]
- CREST [JPMJCR1676]
- RIKEN-AIST Challenge Research Fund
- Sir John Templeton Foundation
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We investigate the dynamics of a binary mixture consisting of active and passive colloidal particles diffusing in a 2D array of truncated harmonic wells, or traps. We explore the possibility of using a small fraction of active particles to manipulate a much larger fraction of passive particles, for instance. to confine them in or extract them from the traps. The results of our study have potential application in biology and medical sciences, for example, to remove dead cells or undesired contaminants from biological systems by means of self-propelled nano-robots.
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