论文标题

我们的液滴:一种活跃和自旋转乳液的宪法方法

We the Droplets: A Constitutional Approach to Active and Self-Propelled Emulsions

论文作者

Birrer, Samuel, Cheon, Seong Ik, Zarzar, Lauren D.

论文摘要

活动物质的领域,尤其是活跃的乳液,正在迅速增长,最近在理论和实验方面取得了重大进展。在这里,我们总结了与活性液滴有关的实验研究进度。活性液滴的构成,特别是界面的化学成分和结构,至关重要。我们讨论乳液特性,例如运动机理,速度,轨迹,相互作用强度和寿命如何与液滴组成有关。我们不仅考虑传统的单一乳液,还考虑更复杂的变体,例如janus液滴,皮带乳液和多种乳液。描述了孤立的液滴以及成对的主动行为以及液滴之间的多体相互作用。还突出了塑造局部化学梯度和流体流动的物理屏障的影响。这篇综述提供了有关活跃液滴研究中过去的,当前有希望的未来实验研究方向的观点。

The field of active matter, and particularly active emulsions, is growing rapidly, with significant progress made recently on both theoretical and experimental fronts. Here, we summarize experimental research progress related to active droplets. The constitution of active droplets, in particular the chemical compositions and structure of interfaces, is critical. We discuss how emulsion properties such as mechanism of motion, speed, trajectory, interaction strength, and lifetime are related to the droplet composition. We consider not only traditional single emulsions but also more complex variants, such as Janus droplets, Pickering emulsions, and multiple emulsions. Active behavior of isolated droplets as well as pairwise and multibody interactions between droplets is described. The influence of physical barriers that shape the local chemical gradients and fluid flow is also highlighted. This review provides perspective on the past, current, promising future experimental research directions in active droplet research.

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