Supplementary information
From the following article:
On-chip manipulation of free droplets
Orlin D. Velev, Brian G. Prevo and Ketan H. Bhatt
Nature 426, 515-516(4 December 2003)
doi:10.1038/426515a
Supplementary Movie 1: Controlled mixing of droplets - 750 nL droplets containing white polystyrene latex and gold nanoparticles merge at the convergence of the two tracks of electrodes, and the mixed droplet moves on the single track. Compare with Fig. 2a-b from the communication.
Supplementary Movie 2: Mixing of droplets with aggregated particles on a matrix - Two droplets containing polystyrene (white) and magnetic (brown) latex have been mixed by moving them in arbitrary direction on an electrode array to temporarily form anisotropic polymer aggregate. Compare with Fig. 2c from the paper.
Supplementary Movie 3: Multistage process - mixing and encapsulation - Droplets of aqueous suspensions of gold nanoparticles and of white polystyrene latex (750 nL each) were mixed and subsequently encapsulated inside a 1000 nL dodecane droplet transported separately. Encapsulation is facilitated by 2 mM Na-dodecyl sulfate dissolved inside the aqueous droplets. The columns of electrodes are energized at 400V/200Hz. Compare with Fig. 2d from the paper.
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