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    • 2. 发明申请
    • PATTERNING AND CELLULAR CO-CULTURE
    • 文化与细胞文化
    • WO2012166794A1
    • 2012-12-06
    • PCT/US2012/039991
    • 2012-05-30
    • NANOINK, INC.COLLINS, John, M.NETTIKADAN, Saju, R.
    • COLLINS, John, M.NETTIKADAN, Saju, R.
    • C12N5/00G01N33/50
    • C12N5/0068C12N2502/00C12N2533/12C12N2533/52C12N2535/10G01N2500/10
    • Cell co-culturing methods and arrays providing versatility and high resolution. A method comprising: providing at least one substrate; providing at least one first tip with at least one first cell-adhesion material disposed thereon, and at least one second tip with at least one second cell-adhesion material disposed thereon, wherein the first cell-adhesion material is different from the second cell-adhesion material; depositing the first cell-adhesion material from the first tip to the substrate to form at least one first deposit, and depositing the second cell-adhesion material from the second tip to the substrate to form at least one second deposit; and wherein the first and second deposits are capable of providing selective binding to at least one first cell so that the first cell selectively binds to the first deposit, and wherein the second deposit is capable of binding to at least one second cell. Single cell binding and cell interaction studies can be carried out.
    • 细胞共培养方法和阵列提供多功能性和高分辨率。 一种方法,包括:提供至少一个基底; 提供至少一个第一尖端,其上设置有至少一个第一细胞粘附材料,以及至少一个第二尖端,其上设置有至少一个第二细胞粘附材料,其中所述第一细胞粘附材料与所述第二细胞粘附材料不同, 粘合材料; 将第一细胞粘附材料从第一末端沉积到基底以形成至少一个第一沉积物,以及将第二细胞粘附材料从第二末端沉积到基底以形成至少一个第二沉积物; 并且其中所述第一和第二沉积物能够提供与至少一个第一细胞的选择性结合,使得所述第一细胞选择性地结合所述第一沉积物,并且其中所述第二沉积物能够结合至少一个第二细胞。 可以进行单细胞结合和细胞相互作用研究。
    • 9. 发明申请
    • HEPATITIS A VIRUS CULTURE PROCESS
    • WO1995024468A1
    • 1995-09-14
    • PCT/US1995002516
    • 1995-03-03
    • MERCK & CO., INC.LEU, Frank, S.SEIFERT, Douglas, B.
    • MERCK & CO., INC.
    • C12N05/00
    • C12N7/00A61K39/12A61K39/165A61K39/25A61K39/29A61K2039/55555C12N5/0075C12N2531/00C12N2533/12C12N2710/16734C12N2760/18734C12N2770/32434C12N2770/32451Y02A50/464Y02A50/466
    • A microcarrier based process to produce viral vaccines, of which one example is Hepatitis A virus (HAV), is composed of an aggregated microcarrier system of glass coated polystyrene microcarriers and MRC-5 cells, which creates a stable environment for the propagation of the virus over even extended infection periods. The microcarrier aggregates formed according to this process eliminate the sloughing of cells from the beads during long cultivations seen in other systems, allowing high virus productivity in microcarrier culture. The methodology is applicable where virus production can be enhanced by creating a stable culture during an extended infection period. Scalable stirred bioreactors are used instead of multiple parallel stationary surface bioreactors. This aggregated microcarrier process eliminates the capacity limitations of stationary surface bioreactors, it protects the cells upon which virus is cultured from shear, it provides enhanced cell to cell interactions, it provides a stable environment for virus growth, it provides void space for the convective transport of nutrients through the aggregate, and it provides a straight forward method for harvesting the viral lysate for downstream processing.
    • 基于微载体的生产病毒疫苗的方法,其中一个例子是甲型肝炎病毒(HAV),由玻璃包被的聚苯乙烯微载体和MRC-5细胞的聚集的微载体系统组成,其为病毒的繁殖创造了稳定的环境 甚至延长感染期。 根据该方法形成的微载体聚集体在其他系统中观察到的长期培养期间消除了细胞从珠粒中的脱落,从而允许微载体培养物中的高病毒生产力。 该方法适用于通过在延长的感染期间创建稳定的培养物来增强病毒生产。 使用可伸缩的搅拌生物反应器代替多个平行的固定表面生物反应器。 这种聚集的微载体过程消除了固定表面生物反应器的容量限制,它保护了病毒从剪切中培养的细胞,它提供增强的细胞与细胞的相互作用,它为病毒生长提供了稳定的环境,它为对流传递提供了空间 的营养物质,并且它提供了一种用于收获用于下游处理的病毒裂解物的直接方法。