ArticleNature communications2022
Reversible morphology-resolved chemotactic actuation and motion of Janus emulsion droplets.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Microbubble elevator induced buoyancy oscillations of reacting droplets.Nature communications · 2026Article
- Deuterated Water Accelerates Phase-Separated Droplet Formation and Enables Directional Motion.Journal of the American Chemical Society · 2026Article
- Reversible Phase Transitions of Anionic and Cationic Surfactant Mixtures Drive Shape Morphing Droplets.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Thermal Marangoni natural convection enables directional transport across immiscible liquids.Nature communications · 2025Article
- Chemotactic Zn micromotor for treatment of high blood ammonia-associated hepatic encephalopathy.Nature communications · 2025Article
- Application of Micro/Nanomotors in Environmental Remediation: A Review.Micromachines · 2024Review
- In situ Tracking of Exoenzyme Activity Using Droplet Luminescence Concentrators for Ratiometric Detection of Bacteria.ACS sensors · 2023Article
- Photocharging of Carbon Nitride Thin Films for Controllable Manipulation of Droplet Force Gradient Sensors.Journal of the American Chemical Society · 2023Article
- Innovative Real-Time Flow Sensor Using Detergent-Free Complex Emulsions with Dual-Emissive Semi-Perfluoroalkyl Substituted Α-Cyanostilbene.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Responsive Janus droplets as modular sensory layers for the optical detection of bacteria.Analytical and bioanalytical chemistry · 2023Review
- Light, Matter, Action: Shining Light on Active Matter.ACS photonics · 2023Review
- Smart micro- and nanorobots for water purification.Nature reviews bioengineering · 2023Review
- 3D free-assembly modular microfluidics inspired by movable type printing.Microsystems & nanoengineering · 2023Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report, for the first time, a chemotactic motion of emulsion droplets that can be controllably and reversibly altered. Our approach is based on using biphasic Janus emulsion droplets, where each phase responds differently to chemically induced interfacial tension gradients. By permanently breaking the symmetry of the droplets' geometry and composition, externally evoked gradients in surfactant concentration or effectiveness induce anisotropic Marangoni-type fluid flows adjacent to each of the two different exposed interfaces. Regulation of the competitive fluid convections then enables a controllable alteration of the speed and the direction of the droplets' chemotactic motion. Our findings provide insight into how compositional anisotropy can affect the chemotactic behavior of purely liquid-based microswimmers. This has implications for the design of smart and adaptive soft microrobots that can autonomously regulate their response to changes in their chemical environment by chemotactically moving towards or away from a certain target, such as a bacterium.
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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.