Microwave Heating Induced On-Demand Droplet Generation in Microfluidic Systems,Analytical Chemistry

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Microwave Heating Induced On-Demand Droplet Generation in Microfluidic Systems
Analytical Chemistry ( IF 6.7 ) Pub Date : 2020-12-29 , DOI: 10.1021/acs.analchem.0c04431
Weijia Cui ₁ , Gurkan Yesiloz _{1,

2} , Carolyn L. Ren ₁

Affiliation

In this note, we report a simple, new method for droplet generation in microfluidic systems using integrated microwave heating. This method enables droplet generation on-demand by using microwave heating to induce Laplace pressure change at the interface of the two fluids. The distance between the interface and junction and microwave excitation power have been found to influence droplet generation. Although this method is limited in generating droplets with a high rate, the fact that it can be integrated with microwave sensing that can be used as the feedback to tune the supply flow of materials presents unique advantages for applications that require dynamic tuning of material properties in droplets.

中文翻译：

微波加热诱导微流体系统中的按需产生液滴

在本说明中，我们报告了一种使用集成微波加热在微流系统中生成液滴的简单，新方法。该方法通过使用微波加热在两种流体的界面上引起拉普拉斯压力变化，从而按需产生液滴。已经发现界面和结之间的距离以及微波激发功率会影响液滴的产生。尽管这种方法在高速率产生液滴方面受到限制，但它可以与可作为反馈来调节材料供应流的微波感应集成在一起，这一事实为需要动态调节材料特性的应用提供了独特优势。飞沫。

更新日期：2021-01-26

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