Spatial programming of self-organizing chemical systems using sustained physicochemical gradients from reaction, diffusion and hydrodynamics

ADC Nguindjel, PJ de Visser, M Winkens… - Physical Chemistry …, 2022 - pubs.rsc.org
Living organisms employ chemical self-organization to build structures, and inspire new
strategies to design synthetic systems that spontaneously take a particular form, via a …

Reconfigurable Droplet–Droplet Communication Mediated by Photochemical Marangoni Flows

ADC Nguindjel, SCM Franssen… - Journal of the American …, 2024 - ACS Publications
Droplets are attractive building blocks for dynamic matter that organizes into adaptive
structures. Communication among collectively operating droplets opens untapped potential …

Droplet on a liquid substrate: Wetting, dewetting, dynamics, instabilities

A Nepomnyashchy - Current Opinion in Colloid & Interface Science, 2021 - Elsevier
Droplets on a liquid substrate ('liquid lenses') play an important role in various branches of
engineering, including microfluidics, chemical engineering, environment protection, etc. In …

Oil-on-water droplets faceted and stabilized by vortex halos in the subphase

Y Li, AA Pahlavan, Y Chen, S Liu, Y Li… - Proceedings of the …, 2023 - National Acad Sciences
For almost 200 y, the dominant approach to understand oil-on-water droplet shape and
stability has been the thermodynamic expectation of minimized energy, yet parallel literature …

Sequentially selective coalescence of binary self-propelled droplets upon collective motion

M Matsuo, H Hashishita, S Tanaka, S Nakata - Langmuir, 2023 - ACS Publications
Subsequent synthesis and detection using droplets as microreactors have shown promise in
the development of novel materials and drugs because microreactors enable small-scale …

Self-Organization Emerging from Marangoni and Elastocapillary Effects Directed by Amphiphile Filament Connections

M Winkens, PA Korevaar - Langmuir, 2022 - ACS Publications
Self-organization of meso-and macroscale structures is a highly active research field that
exploits a wide variety of physicochemical phenomena, including surface tension …

Positional Information‐Based Organization of Surfactant Droplet Swarms Emerging from Competition Between Local and Global Marangoni Effects

PJ de Visser, M Neeleman, PFJ Dankloff, MTGM Derks… - Small, 2024 - Wiley Online Library
Positional information is key for particles to adapt their behavior based on their position in
external concentration gradients, and thereby self‐organize into complex patterns. Here …

Interfacial dynamics in the spontaneous motion of an aqueous droplet

NJ Suematsu, K Saikusa, T Nagata, S Izumi - Langmuir, 2019 - ACS Publications
Self-propelled droplets can spontaneously move using chemical energy. In several reports
of self-propelled droplets, interfacial chemical reactions occur at the oil/aqueous interface to …

A surfactant reaction model for the reciprocating motion of a self-propelled droplet

S Tanaka, S Nakata, M Nagayama - Soft Matter, 2021 - pubs.rsc.org
We report herein experimental observations of the reciprocating motion of a self-propelled
droplet floating on the surface of an aqueous surfactant solution and a simple reaction …

Complexity and bifurcations in the motion of a self-propelled rectangle confined in a circular water chamber

H Kitahata, Y Koyano, RJG Löffler… - Physical Chemistry …, 2022 - pubs.rsc.org
We consider the motion of a self-propelled object of rectangular shape inside a circular
water chamber. The mathematical model of self-motion includes equations for the …