Biodegradable foams for cell transplantation
    6.
    发明授权
    Biodegradable foams for cell transplantation 失效
    可生物降解的泡沫用于细胞移植

    公开(公告)号:US5686091A

    公开(公告)日:1997-11-11

    申请号:US219017

    申请日:1994-03-28

    IPC分类号: A61F2/02 A61F2/00

    摘要: A structurally rigid biodegradable foam scaffold useful for cell transplantation is provided. The foam can be loaded with nutrients and/or drugs that elute from the foam during transplant to promote growth of the cells. The foam, which features a continuous network of pores, is fabricated using a novel method involving phase separation and consequent expansion upon sublimation of a liquid solvent, preferably naphthalene.

    摘要翻译: 提供了可用于细胞移植的结构刚性可生物降解泡沫支架。 泡沫可以装载在移植期间从泡沫中洗脱的营养物和/或药物以促进细胞的生长。 具有连续的孔孔网的泡沫体使用涉及液相溶剂(优选萘)升华的相分离和随后膨胀的新方法制造。

    Methods and products for delivering biological molecules to cells using multicomponent nanostructures
    9.
    发明授权
    Methods and products for delivering biological molecules to cells using multicomponent nanostructures 失效
    使用多组分纳米结构将生物分子递送到细胞的方法和产品

    公开(公告)号:US07344887B2

    公开(公告)日:2008-03-18

    申请号:US10875543

    申请日:2004-06-24

    IPC分类号: C12N15/64

    摘要: This invention is predicated on the present applicants' discovery that nanostructures comprising discrete regions of different composition can be used to deliver to a biological cell a desired combination of molecules in close proximity. Different molecules can be selectively bonded to discrete regions of different composition in sufficiently close physical relationship to enhance delivery or effectiveness within the cell. The preferred nanostructures are multicomponent nanorods. Important applications include delivery of missing DNA sequences for gene therapy and delivery of antigens or DNA encoding antigens for vaccination.

    摘要翻译: 本发明基于本申请人的发现,包括不同组成的离散区域的纳米结构可以用于向生物细胞递送非常接近的期望的分子组合。 不同分子可以以足够接近的物理关系选择性地键合到不同组成的离散区域,以增强细胞内的递送或有效性。 优选的纳米结构是多组分纳米棒。 重要的应用包括递送缺失的DNA序列用于基因治疗和递送抗原或DNA编码抗原用于疫苗接种。