Positional information-based morphogenesis of surfactant droplet swarms emerging from competition between local and global Marangoni effects.
Pieter de Visser,
Mink Neeleman,
Pim Dankloff
et al.
Abstract:Positional information is proposed as a key element in morphogenesis, where cells differentiate based on their position in an external morphogen gradient. Here, we demonstrate the position-dependent differentiation of floating surfactant droplets as they self-organize in a pH gradient, using the Marangoni effect to translate gradients of surface-active molecules into motion. We start with a field of surfactant microliter-droplets floating on water, that upon the release of surfactant drive local, outbound Mara… Show more
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