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(Color online) Nanoparticle synthesis using selective droplet trap in a well array. Satellite droplets smaller than a well diameter are not trapped and dragged by viscous force: (a) side view; (b) top view.
(Color online) Numerical estimation of droplet behavior in a well.
(Color online) The present chip: (a) overall view with a large view of channel and well array with designed dimensions; (b) droplet trap and substitution in a well. Each time frame between images was 1/30 s.
(Color online) Nanoparticle synthesis in droplets: (a) droplet generation in the present chip; (b) synthesized nanoparticles and their circulation in droplets.
TEM image of the synthesized nanoparticle inside droplets.
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