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    • 116. 发明申请
    • COMBINED CENTRIFUGE TUBE AND POROUS SELECTION MEANS FOR SEPARATION AND RECOVERY OF BIOLOGICAL MATERIALS
    • 组合离心管和多孔选择手段用于分离和恢复生物材料
    • WO1991007648A1
    • 1991-05-30
    • PCT/US1990006286
    • 1990-10-30
    • FMC CORPORATION
    • FMC CORPORATIONNOCHUMSON, SamuelGOLDBERG, Bruce, Saul
    • G01N01/00
    • B01L3/5021G01N33/491G01N33/54366Y10T436/25375Y10T436/255
    • Disclosed is a centrifuge tube (10) containing a porous selection means (21) for selectively separating and recovering biological substances from gels, broths, or solutions containing the same, and thus concentrating them, said tube comprising separate upper (20) and lower (30) containers and means for joining the two containers to form a unitary device, the bottom of said upper container (20) comprising a porous selection means (21), preferably a membrane containing a particulate substance which will selectively bind the biological substances while allowing unbound substances to pass through from the upper (20) to lower container (30) while being centrifuged. A method for recovering said biological substances in high concentration using said centrifuge tube is also provided, comprising introducing said gels, broths, or solutions containing the desired biological substances, centrifuging the same until the desired substance is bound to the selection means, and eluting the bound material from the selection means to recover said substance in concentrated form.
    • 公开了一种离心管(10),其包含多孔选择装置(21),用于从凝胶,肉汤或含有该物质的溶液中选择性分离和回收生物物质,并因此浓缩它们,所述管包括分开的上部(20)和下部 30)用于连接两个容器以形成整体装置的容器和装置,所述上部容器(20)的底部包括多孔选择装置(21),优选地是含有颗粒物质的膜,所述颗粒物质将选择性地结合生物物质同时允许 未离子物质在离心时从上部(20)通过到下部容器(30)。 还提供了使用所述离心管回收高浓度生物物质的方法,包括引入所述凝胶,肉汤或含有所需生物物质的溶液,将其离心,直到所需物质与选择装置结合, 来自选择的结合材料是以浓缩形式回收所述物质。