ArticleScientific reports2017
A novel magnet-actuated droplet manipulation platform using a floating ferrofluid film.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- On the ultra-rapid mixing in two colliding Leidenfrost drops.Scientific reports · 2025Article
- Designing of anisotropic gradient surfaces for directional liquid transport: Fundamentals, construction, and applications.Innovation (Cambridge (Mass.)) · 2023Review
- Inkjet-Assisted Electroformation of Magnetically Guidable Water Striders for Interfacial Microfluidic Manipulation.ACS applied materials & interfaces · 2023Article
- Research on magnetic bead motion characteristics based on magnetic beads preset technology.Scientific reports · 2021Article
- Acoustic streaming vortices enable contactless, digital control of droplets.Science advances · 2020Article
- Article
- Multifunctional Magnetocontrollable Superwettable-Microcilia Surface for Directional Droplet Manipulation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2019Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this paper, we propose a novel but versatile magnet-actuated platform for droplet manipulation, which uses a ferrofluid film floating on a liquid surface as magnetic actuator. In contrast to the traditional magnetic droplet manipulation, this platform can handle droplets without magnetically functionalizing them. Due to the immiscibility of the oil-based ferrofluid and water, the droplets desired to be manipulated can stably rest on the surface of the floating ferrofluid film (FFF) under the action of surface tension, thereby offering possibilities for magnetically-driven droplet manipulations. Such a floating, magnetically responsive liquid film not only offers an open surface for active 2D droplet manipulation, but also enables complex droplet manipulations in 3D space. Using FFF, we demonstrate a "full-space" droplet manipulation, including droplet transport/coalescence above FFF (i.e. in air), droplet transport/coalescence on FFF and droplet encapsulation/release under FFF (i.e. in liquid). Furthermore, we investigated the effects of the magnetic field intensity, the ferrofluid concentration, the droplet volume, and the FFF thickness on droplet kinematics. By finely tuning these operating conditions, the FFF strategy can enjoy more operational latitude than traditional droplet systems, thus allowing more versatile liquid handling.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.