Kindly help me to understand. I read somewhere, that droplets generated in microfluidic devices are in a metastable state. What is the basis for this?
That's very new to me. Could you please share the source? I was expecting a dependency on the material used (as well as the material condition), the coatings (in many DNA-related cases, they use self-assembled monolayers for surface conditioning). It may depend on many other parameters. I'm not sure if this article can be helpful, I'm just sharing it as it provides very good information about droplet states on a rough surface:
Article Wetting Transition from the Cassie-Baxter State to the Wenze...
According to my knowledge, droplets are not generated in microfluidic devices. We have to provide droplets from outside as a input on the basis of what type of droplet is needed for our experiment.
This paper will address your problem.
Thermodynamic perspectives on liquid–liquid droplet reactors for biochemical applications[J]. Chemical Society Reviews, 2020, 49(18): 6555-6567.
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