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    • 6. 发明授权
    • Silk-based drug delivery system
    • 丝绸药物输送系统
    • US08530625B2
    • 2013-09-10
    • US13443264
    • 2012-04-10
    • David L. KaplanLorenz Meinel
    • David L. KaplanLorenz Meinel
    • A61K38/17A61K9/22
    • A61K47/42A61K9/0002A61K9/7007A61K38/17A61K47/46
    • The present invention provides for novel sustained release silk-based delivery systems. The invention further provides methods for producing such formulations. In general, a silk fibroin solution is combined with a therapeutic agent to form a silk fibroin article. The article is then treated in such a way as to alter its conformation. The change in conformation increases its crytallinity or liquid crystallinity, thus controlling the release of a therapeutic agent from the formulation. This can be accomplished as single material carriers or in a layer-by-layer fashion to load different therapeutic agents or different concentrations of these agents in each layer.
    • 本发明提供了新颖的持续释放的基于丝的递送系统。 本发明还提供了生产这种制剂的方法。 通常,将丝素蛋白溶液与治疗剂组合以形成丝素蛋白制品。 然后对该文章进行处理,以改变其构象。 构象的变化增加其胆固醇或液体结晶度,从而控制治疗剂从制剂中的释放。 这可以作为单一材料载体或以逐层方式实现,以在每个层中加载不同的治疗剂或不同浓度的这些试剂。