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    • 9. 发明申请
    • Oriented collagen gel
    • 定向胶原凝胶
    • US20100227043A1
    • 2010-09-09
    • US12660702
    • 2010-03-02
    • Gerald G. FullerJohn E. Kirkwood
    • Gerald G. FullerJohn E. Kirkwood
    • A61L33/14
    • B05D5/00A61L27/24A61L27/50C08J5/00C08J2389/00C08L89/06
    • Techniques for the production of flow-oriented collagen gels using hydrodynamics to influence the assembly of collagen fibers. Highly concentrated monomeric solutions of collagen are subjected to shear and extensional flow as they are drawn onto a substrate to induce fibrillogenesis under a high Ph buffer. The produced gel captures the flow induced ordering of molecular collagen upon fibril formation. The depositing or the induction of fibrillogenosis occurs without the application of a magnetic field to the concentration of collagen. These highly oriented 3D scaffolds are capable inducing contact guidance and guiding mammalian cell growth. The collagen fibers mimic the construction of in vivo fibers with the characteristic D-periodicity and the integrin receptors on the fibroblasts respond to this organization. The industrial applications of three-dimensional collagen gels as a biomaterial are widespread from drug delivery to burn repair or tissue engineering system.
    • 使用流体动力学制造流动性胶原凝胶来影响胶原纤维的组装的技术。 胶体的高度浓缩的单体溶液经受剪切和拉伸流动,因为它们被吸引到基底上以在高Ph缓冲液下诱导原纤维生成。 所产生的凝胶捕获原纤维形成时分子胶原的流动引发排序。 原发性纤维化的沉积或诱导发生在没有对胶原浓度施加磁场的情况下。 这些高度定向的3D支架能够诱导接触引导和引导哺乳动物细胞生长。 胶原纤维模拟具有特征性D周期的体内纤维的构建,并且成纤维细胞上的整联蛋白受体对该组织作出反应。 三维胶原凝胶作为生物材料的工业应用从药物输送到烧伤修复或组织工程系统是广泛的。