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 …

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 …

Autonomous mesoscale positioning emerging from myelin filament self-organization and Marangoni flows

A van der Weijden, M Winkens… - Nature …, 2020 - nature.com
Out-of-equilibrium molecular systems hold great promise as dynamic, reconfigurable matter
that executes complex tasks autonomously. However, translating molecular scale dynamics …

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 …

Dancing performance of organic droplets in aqueous surfactant solutions

J Čejková, K Schwarzenberger, K Eckert… - Colloids and Surfaces A …, 2019 - Elsevier
Droplet systems remain the subject of a constant fascination in science and technology.
Here we focus on organic droplets floating on the surface of aqueous surfactant solutions …

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 …

Two floating camphor particles interacting through the lateral capillary force

Y Hirose, Y Yasugahira, M Okamoto… - Journal of the Physical …, 2020 - journals.jps.jp
We consider a mathematical model for a two-particle system driven by the spatial gradient of
a concentration field of chemicals with conservative attractive interactions in one dimension …

Photoinduced collective motion of oil droplets and concurrent pattern formation in surfactant solution

T Kojima, H Kitahata, K Asakura, T Banno - Cell Reports Physical Science, 2023 - cell.com
Collective motions are the spontaneous emergence of the ordered movement in living
systems. Various constructive approaches have been attempted toward understanding the …