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    • 1. 发明授权
    • Cell-culturing apparatus and method employing a macroporous support
    • 细胞培养装置和使用大孔支持物的方法
    • US5262320A
    • 1993-11-16
    • US921920
    • 1992-07-29
    • Gregory StephanopoulosRahul SinghviSeujeung ParkMaria Flytzani-StephanopoulosMark A. Applegate
    • Gregory StephanopoulosRahul SinghviSeujeung ParkMaria Flytzani-StephanopoulosMark A. Applegate
    • C12M1/04C12M1/40C12M3/06C12N5/00A01N1/02C12M3/00
    • C12M25/18C12M23/24C12M29/04C12M29/06C12N5/0068
    • An apparatus and method are disclosed for culturing cells by flowing a medium through a packed bed of biocompatible macroporous ceramic particles disposed in a cell-culture reactor. In one embodiment, oxygen and other nutrients in the medium are transported significantly by convective flow through pores of the biocompatible macroporous ceramic particles to cells disposed within the pores. Oxygen can be introduced to the cell-culture reactor by sparging oxygen gas into the cell-culture reactor. Oxygen content in the medium can also be increased by increasing the solubility of oxygen in the medium, such as by adding perfluorocarbon or other oxygen carriers to the medium. The oxygen capacity of the reactor can be further increased by sparging oxygen-containing gas into the medium at a plurality of points in the packed bed, or by introducing oxygen gas to the medium through a solid-phase oxygen gas-permeable membrane disposed in the packed bed. Alternatively, an oxygen-containing gas can be directed through an oxygen-permeable conduit disposed within at least one passage of a biocompatible macroporous support.
    • 公开了一种用于通过使介质流过细胞培养反应器中的生物相容性大孔陶瓷颗粒的填充床来培养细胞的装置和方法。 在一个实施方案中,培养基中的氧和其他营养物质通过生物相容性大孔陶瓷颗粒的孔对流流动被显着转运到设置在孔内的细胞中。 可以通过将氧气喷射到细胞培养反应器中来将氧气引入细胞培养反应器。 培养基中的氧含量也可以通过增加介质中氧的溶解度来增加,例如通过向培养基中加入全氟化碳或其它氧载体。 通过在填充床中的多个点处将含氧气体喷射到介质中,或者通过将氧气引入到介质中,通过设置在所述填充床中的固相氧气可渗透膜,可以进一步增加反应器的氧气容量 包装床 或者,可以将含氧气体引导通过设置在生物相容性大孔载体的至少一个通道内的透氧导管。
    • 2. 发明授权
    • Cell-culturing apparatus and method employing a macroporous support
    • 细胞培养装置和使用大孔支持物的方法
    • US5510262A
    • 1996-04-23
    • US153204
    • 1993-11-16
    • Gregory StephanopoulosRahul SinghviSeujeung ParkMaria Flytzani-StephanopoulosMark A. Applegate
    • Gregory StephanopoulosRahul SinghviSeujeung ParkMaria Flytzani-StephanopoulosMark A. Applegate
    • C12M1/04C12M1/40C12M3/06C12N5/00C12M3/00
    • C12M25/18C12M23/24C12M29/04C12M29/06C12N5/0068
    • An apparatus and method are disclosed for culturing cells by flowing a medium through a packed bed of biocompatible macroporous ceramic particles disposed in a cell-culture reactor. In one embodiment, oxygen and other nutrients in the medium are transported significantly by convective flow through pores of the biocompatible macroporous ceramic particles to cells disposed within the pores. Oxygen can be introduced to the cell-culture reactor by sparging oxygen gas into the cell-culture reactor. Oxygen content in the medium can also be increased by increasing the solubility of oxygen in the medium, such as by adding perfluorocarbon or other oxygen carriers to the medium. The oxygen capacity of the reactor can be further increased by sparging oxygen-containing gas into the medium at a plurality of points in the packed bed, or by introducing oxygen gas to the medium through a solid-phase oxygen gas-permeable membrane disposed in the packed bed. Alternatively, an oxygen-containing gas can be directed through an oxygen-permeable conduit disposed within at least one passage of a biocompatible macroporous support.
    • 公开了一种用于通过使介质流过细胞培养反应器中的生物相容性大孔陶瓷颗粒的填充床来培养细胞的装置和方法。 在一个实施方案中,培养基中的氧和其他营养物质通过生物相容性大孔陶瓷颗粒的孔对流流动被显着转运到设置在孔内的细胞中。 可以通过将氧气喷射到细胞培养反应器中来将氧气引入细胞培养反应器。 培养基中的氧含量也可以通过增加介质中氧的溶解度来增加,例如通过向培养基中加入全氟化碳或其它氧载体。 通过在填充床中的多个点处将含氧气体喷射到介质中,或者通过将氧气引入到介质中,通过设置在所述填充床中的固相氧气可渗透膜,可以进一步增加反应器的氧气容量 包装床 或者,可以将含氧气体引导通过设置在生物相容性大孔载体的至少一个通道内的透氧导管。
    • 7. 发明申请
    • Multi-component vitamin and mineral supplement for the optimal absorption of components
    • 多组分维生素和矿物质补充剂可以最佳地吸收组分
    • US20060251722A1
    • 2006-11-09
    • US11120767
    • 2005-05-03
    • Stephen BandakRahul Singhvi
    • Stephen BandakRahul Singhvi
    • A61K9/24
    • A61K9/5073A61K9/2081A61K9/209
    • The present invention relates to compositions and methods for administration of vitamin-mineral supplements, including those given to women prenatally. A multi-component vitamin delivery system is described comprising a first layer able to release a first set of components at a first location in the gastrointestinal tract, the first set of components includes iron in a form absorbable at the first location and a second layer able to release a second set of components at a second location in the gastrointestinal tract, the second location being further downstream in the gastrointestinal tract than the first location. The second set of components includes at least one material that reduces or inhibits the absorption of iron or whose absorption is inhibited by iron. Components are incorporated into the different layers of the delivery system to minimize the potential for interactions that may impair absorption and maximize conditions for optimal absorption.
    • 本发明涉及用于施用维生素矿物质补充剂的组合物和方法,包括给予妇女前列腺素的补充剂。 描述了多组分维生素递送系统,其包括能够在胃肠道中的第一位置释放第一组成分的第一层,第一组成分包括在第一位置可吸收的形式的铁和第二层, 以在胃肠道的第二位置释放第二组成分,第二位置在第一位置处在胃肠道的下游。 第二组成分包括至少一种减少或抑制铁的吸收或其吸收被铁抑制的材料。 将组分并入到递送系统的不同层中以最小化可能损害吸收并最大化最佳吸收条件的相互作用的可能性。