One-step formation of multiple emulsions in microfluidics
One-step formation of multiple emulsions in microfluidics
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DOI：
10.1039/c0lc00236d
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发表时间：
2011-01-01
期刊：
影响因子：
6.1
通讯作者：
Weitz, David A.
中科院分区：
文献类型：
--
作者：
Abate, Adam R.;Thiele, Julian;Weitz, David A.
我们提出了一种稳健的方法来创建多个乳液，其外壳厚度可控，可在很大范围内变化。我们使用微流控装置来产生不相容流体的同轴射流；利用滴落的不稳定性，我们将射流分解为多个乳状液。通过控制每一层射流的厚度，我们调整了多个乳化液的壳层厚度。同样的方法也可以有效地从以其他方式不能被控制乳化的流体(例如粘弹性流体)中产生单分散乳液。
We present a robust way to create multiple emulsions with controllable shell thicknesses that can vary over a wide range. We use a microfluidic device to create a coaxial jet of immiscible fluids; using a dripping instability, we break the jet into multiple emulsions. By controlling the thickness of each layer of the jet, we adjust the thicknesses of the shells of the multiple emulsions. The same method is also effective in creating monodisperse emulsions from fluids that cannot otherwise be controllably emulsified, such as, for example, viscoelastic fluids.