Self-assembled toroidal-spiral particles and manufacture and uses thereof
AssigneeThe Board of Trustees of the University of Illinois
InventorsLudwig C. Nitsche, Ying Liu
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Abstract
Toroidal-spiral shaped particles, their method of manufacture, and uses thereof are disclosed. The toroidal-spiral particles can contain at least one active agent, such as a drug, and provide a controlled, sustained release of the active agent.
Claims18
(canceled)
The particle delivery system of claim 23 wherein the first active agent comprises a small molecule drug.
(canceled)
The particle delivery system of claim 23 wherein the particles have a particle size of about 10 μm to about 10 mm.
6-22. (canceled)
A particle delivery system comprising polymeric toroidal-spiral particles, the polymeric toroidal-spiral particles comprising a polymeric matrix, a first active agent, and a second active agent,
- wherein the first active agent resides within the polymeric matrix and the second active agent resides on surfaces of the toroidal-spiral particles and within channels of the toroidal-spiral particles.
Dependencies are inferred from the claim text.