ArticleSmall (Weinheim an der Bergstrasse, Germany)2026
Origin of the Magnetization Anisotropy of Superparamagnetic Beads.
Article in Small (Weinheim an der Bergstrasse, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- Magnetic DNA Origami Nanorotors.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Origin of the Magnetization Anisotropy of Superparamagnetic Beads.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Superparamagnetic beads are used in single-molecule magnetic tweezers experiments to investigate the mechanics and dynamics of biomolecules. The beads exhibit a weak anisotropy, such that they align with the applied magnetic field. This allows to rotate the beads and thus to twist of attached biomolecules. To quantitatively understand the origin of the magnetization anisotropy, we use high-speed magnetic tweezers experiments, numerical simulations, as well as fluxgate magnetorelaxometry measurements. We find that Brownian orientation fluctuations of the beads occur up to cut-off frequencies of ∼100 Hz being only weakly dependent on the applied field, which superimpose the dynamics of attached biomolecules. When simulating the equilibrium magnetization of single beads as ensembles of ∼10
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