Interaction of Sedimenting Drops in a Miscible Solution –Formation of Heterogeneous Toroidal-Spiral Particles

Toroidal-spiral structures form through the interaction of horizontally and vertically displaced drops sedimenting in a miscible bulk solution. These polymeric drops are then solidified into particles, which can be potentially used to encapsulate and deliver multiple active compounds on separate schedules. Sedimentation regimes and drug release were quantified.

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