ArticleProceedings of the National Academy of Sciences of the United States of America2020
Hanging droplets from liquid surfaces.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Chinese herb pollen derived micromotors as active oral drug delivery system for gastric ulcer treatment.Bioactive materials · 2024Article
- Open millifluidics based on powder-encased channels.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Liquid-embedded (bio)printing of alginate-free, standalone, ultrafine, and ultrathin-walled cannular structures.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Adjustable object floating states based on three-segment three-phase contact line evolution.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Continuous, autonomous subsurface cargo shuttling by nature-inspired meniscus-climbing systems.Nature chemistry · 2022Article
- From shaping to functionalization of micro-droplets and particles.Nanoscale advances · 2021Review
- The role of drop shape in impact and splash.Nature communications · 2021Article
- Cheerios Effect Inspired Microbubbles as Suspended and Adhered Oral Delivery Systems.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2021Article
- Lilypad aggregation: localised self-assembly and metal sequestration at a liquid-vapour interface.Chemical science · 2020Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Natural and man-made robotic systems use the interfacial tension between two fluids to support dense objects on liquid surfaces. Here, we show that coacervate-encased droplets of an aqueous polymer solution can be hung from the surface of a less dense aqueous polymer solution using surface tension. The forces acting on and the shapes of the hanging droplets can be controlled. Sacs with homogeneous and heterogeneous surfaces are hung from the surface and, by capillary forces, form well-ordered arrays. Locomotion and rotation can be achieved by embedding magnetic microparticles within the assemblies. Direct contact of the droplet with air enables in situ manipulation and compartmentalized cascading chemical reactions with selective transport. Applications including functional microreactors, motors, and biomimetic robots are evident.
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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.