我们的液滴:一个积极的和自推进乳液宪法的方法
We the Droplets: A Constitutional Approach to Active and Self-Propelled Emulsions
摘要:
活性物质,特别是活性乳液的领域正在迅速发展,最近在理论和实验方面都取得了重大进展。本文综述了与主动液滴相关的实验研究进展。活性液滴的构成,特别是界面的化学成分和结构,是关键的。我们讨论了如何乳液性能,如运动机制,速度,轨迹,相互作用强度和寿命与液滴组成。我们不仅考虑了传统的单一乳液,而且考虑了更复杂的变体,如Janus液滴,Pickering乳液和多重乳液。描述了孤立液滴的主动行为以及液滴之间的成对和多体相互作用。物理屏障的影响,形状的局部化学梯度和流体流动也突出显示。本文综述了主动液滴研究的过去、现在和未来的实验研究方向。
英文摘要:
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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