A gradient-dynamics model for chemically driven running drops derives sustained self-propulsion from a maintained wettability contrast when distinct chemical potentials are imposed via chemostatting.
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4 Pith papers cite this work. Polarity classification is still indexing.
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2026 4verdicts
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Lubrication model shows solutal Marangoni and capillary forces attract same-composition binary droplets while thermal Marangoni repels them and solutal Marangoni drives chasing between different-composition droplets, corroborated by water-morpholine experiments.
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Gradient dynamics model for chemically driven running drops
A gradient-dynamics model for chemically driven running drops derives sustained self-propulsion from a maintained wettability contrast when distinct chemical potentials are imposed via chemostatting.