Control over self-assembled Janus clusters by the strength of magnetic field in [Formula: see text].
Journal
The European physical journal. E, Soft matter
ISSN: 1292-895X
Titre abrégé: Eur Phys J E Soft Matter
Pays: France
ID NLM: 101126530
Informations de publication
Date de publication:
08 Mar 2021
08 Mar 2021
Historique:
received:
30
09
2020
accepted:
04
01
2021
entrez:
8
3
2021
pubmed:
9
3
2021
medline:
9
3
2021
Statut:
epublish
Résumé
Colloidal Janus microparticles can be propelled by controlled chemical reactions on their surfaces. Such microswimmers have been used as model systems for the behavior on the microscale and as carriers for cargo to well-defined positions in hard-to-access areas. Here we demonstrate the propagation motion of clusters of magnetic Janus particles driven by the catalytic decomposition of [Formula: see text] on their metallic caps. The magnetic moments of their caps lead to certain spatial arrangements of Janus particles, which can be influenced by external magnetic fields. We investigate how the arrangement of the particles and caps determines the driven motion of the particle clusters. In addition, we show the influence of confining walls on the cluster motion, which will be encountered in any real-life biological system.
Identifiants
pubmed: 33683470
doi: 10.1140/epje/s10189-021-00010-3
pii: 10.1140/epje/s10189-021-00010-3
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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