ArticleProceedings of the National Academy of Sciences of the United States of America2023
Colloidal tubular microrobots for cargo transport and compression.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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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.
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Who cites it
8 citing papers in PubMed.
- Microrobots for Precision Diagnosis and Treatment in the Digestive System: A Review of Actuation Mechanisms, Structural Design, Preclinical and Translational Applications.Micromachines · 2026Review
- Technology Roadmap of Micro/Nanorobots.ACS nano · 2025Review
- Actuating superparamagnetic nanoparticle monolayers.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Propulsion Mechanisms in Magnetic Microrobotics: From Single Microrobots to Swarms.Micromachines · 2025Review
- Magnetic soft microrobots for erectile dysfunction therapy.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Aligned colloidal clusters in an alternating rotating magnetic field elucidated by magnetic relaxation.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Curvature induces and enhances transport of spinning colloids through narrow channels.Soft matter · 2024Article
- Optimization of Magnetic Behaviors of Au-NP-Decorated MWCNTs and Reduced Graphene Oxide for Biomedical Applications.ACS omega · 2024Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Microrobot swarms have seen increased interest in recent years due to their potentials for in vivo delivery and imaging with cooperative propulsion modes and enhanced imaging signals. Yet most swarms developed so far are limited to dense particle aggregates, far simpler than complicated three-dimensional assemblies of anisotropic particles. Here, we show via assembly path design that complex hollow tubular structures can be assembled from simple isotropic colloidal spheres and those complicated, metastable, microtubes can be formed from simple, energetically favorable colloidal membranes. The assembled microtubes can remain intact and roll under a precessing magnetic field, with propulsion directions and velocities precisely controlled by field components. The hollow spaces inside enable these tubular microrobots to grab, transport, and release cargos on command. We also demonstrate unique compressing and uncompressing capabilities with our tubular microrobots, making them effective microtweezers. Our work shows that complicated microrobots can be transformed from simple assemblies, providing an insight on building micromachines.
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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.