ArticleLangmuir : the ACS journal of surfaces and colloids2017
Magnetic Microlassos for Reversible Cargo Capture, Transport, and Release.
Article in Langmuir : the ACS journal of surfaces and colloids, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Reconfigurable assembly, disassembly, and self-propulsion of microparticles via optoelectronic tweezers.Microsystems & nanoengineering · 2026Article
- Precise surface patches on active particles of arbitrary shape through microstenciling.Nature communications · 2025Article
- Article
- Colloidal tubular microrobots for cargo transport and compression.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Review
- Article
- Rheology of a Nanopolymer Synthesized through Directional Assembly of DNA Nanochambers, for Magnetic Applications.Macromolecules · 2022Article
- Breaking the fibrinolytic speed limit with microwheel co-delivery of tissue plasminogen activator and plasminogen.Journal of thrombosis and haemostasis : JTH · 2022Article
- Magnetically Driven Micro and Nanorobots.Chemical reviews · 2021Article
- An experimental design for the control and assembly of magnetic microwheels.The Review of scientific instruments · 2020Article
- Reconfigurable microbots folded from simple colloidal chains.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Mg-Based Micromotors with Motion Responsive to Dual Stimuli.Research (Washington, D.C.) · 2020Article
- Microwheels on Microroads: Enhanced Translation on Topographic Surfaces.Science robotics · 2019Article
- ac/dc Magnetic Fields for Enhanced Translation of Colloidal Microwheels.Langmuir : the ACS journal of surfaces and colloids · 2019Article
- Geometry Design, Principles and Assembly of Micromotors.Micromachines · 2018Review
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Microbot propulsion has seen increasing interest in recent years as artificial methods that overcome the well-established reversible and challenging nature of microscale fluid mechanics. While controlled movement is an important feature of microbot action, many envisioned applications also involve cargo transport where microbots must be able to load and unload contents on command while tolerating complex solution chemistry. Here we introduce a physical method that uses flexible and linked superparamagnetic colloidal chains, which can form closed rings or "lassos" in the presence of a planar rotating magnetic field. By adding an additional AC magnetic field along the direction perpendicular to the substrate, we can orient the lasso at a tilted camber angle. We show that these magnetic lassos can roll at substantial velocities, with precise spatial control by manipulating both field strength and phase lag. Moreover, the lasso can curl around and capture cargo tightly and transport it based on a wheel-type mechanism. At the targeted destination, cargo is easily released upon field removal and the lasso can be readily reused. Since the entire process is physically controlled with no chemistry for attachment or disengagement involved, our system can potentially be used for transporting diverse types of cargo under different solution conditions.
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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.