Physics in Drops

"It's like catching the fish that swallowed the queen's ring." Herzog by Saul Bellow.


Revolutionizing drops inside of drops one drop at a time. This blog is dedicated to the physics of microfluidics and double emulsions.
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Triggerable temperature sensitive microcapsules. Controlled coalescence of inner drops inside double emulsions, drops inside of drops, is useful for triggering chemical reactions inside drops with the outer drop serving as a reaction vessel. Using double emulsions as micro-reactors is one of our reasons for encapsulating different types of inner drops inside another drop.
Coalescence of inner drops is triggered with heat from a heat gun as seen in this video.  The outer drop is made of wax using a melt emulsification technique. As the wax melts,  the inner aqueous droplets are free to rotate and move around until they come into contact with one another. Prior to drops coalescing, a small bridge is formed between drops. This is noticeable in the video.  The video is taken with a high speed camera and played back at a much slower rate.  (Credits: L. L. A. Adams , Soft Matter)

Triggerable temperature sensitive microcapsules. Controlled coalescence of inner drops inside double emulsions, drops inside of drops, is useful for triggering chemical reactions inside drops with the outer drop serving as a reaction vessel. Using double emulsions as micro-reactors is one of our reasons for encapsulating different types of inner drops inside another drop.

Coalescence of inner drops is triggered with heat from a heat gun as seen in this video.  The outer drop is made of wax using a melt emulsification technique. As the wax melts,  the inner aqueous droplets are free to rotate and move around until they come into contact with one another. Prior to drops coalescing, a small bridge is formed between drops. This is noticeable in the video.  The video is taken with a high speed camera and played back at a much slower rate.  (Credits: L. L. A. Adams , Soft Matter)

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