| 摘要 |
Methods, compositions, systems, devices and kits are provided for preparing and using a multi-layer polymeric microstructure composition for delivering a therapeutic agent to a subject. In various embodiments, the therapeutic agent includes at least one selected from the group of: a drug, a protein, a sugar, a carbohydrate, and a nucleotide sequence. In related embodiments, the composition is a fiber, a suture, a sphere, an implant, or a scaffold.
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