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    • 5. 发明授权
    • Microarray reaction device and method of using the same
    • 微阵列反应装置及其使用方法
    • US08647591B2
    • 2014-02-11
    • US13007750
    • 2011-01-17
    • Won-seok ChungMyo-yong LeeKak NamkoongWoochang Lee
    • Won-seok ChungMyo-yong LeeKak NamkoongWoochang Lee
    • B01L3/00B01L99/00F16K3/00C40B40/00C40B60/00F16K31/00
    • C40B30/00C40B40/06C40B40/10C40B60/12
    • A microarray reaction device includes a fluid container, a reaction chamber, a first channel connected with the fluid container, a second channel connected with the reaction chamber, and a valve. The valve includes a first and second support unit, respectively including a first and second penetration opening unit, extended through a first and second surface thereof. The first and second penetration opening unit is connected to a second end of the first and second channel, respectively. The second support unit includes a third penetration opening unit extended through a second surface thereof. The first and second surfaces contact each other, such that the first support unit and the second support unit are slidably disposed with each other. The microarray reaction device further includes a storing chamber connected with the third penetration opening unit, and a pump connected to the storing chamber and providing pressure to the storing chamber.
    • 微阵列反应装置包括流体容器,反应室,与流体容器连接的第一通道,与反应室连接的第二通道和阀。 阀包括第一和第二支撑单元,分别包括延伸穿过其第一和第二表面的第一和第二穿透开口单元。 第一和第二穿透开口单元分别连接到第一和第二通道的第二端。 第二支撑单元包括延伸穿过其第二表面的第三穿透开口单元。 第一和第二表面彼此接触,使得第一支撑单元和第二支撑单元彼此可滑动地布置。 微阵列反应装置还包括与第三穿透开口单元连接的储存室,以及连接到储存室并向储存室提供压力的泵。
    • 7. 发明授权
    • Cell aggregation and encapsulation device and method
    • 细胞聚集和封装装置及方法
    • US08361781B2
    • 2013-01-29
    • US12087937
    • 2007-01-24
    • Jeffrey MorganAnthony Napolitano
    • Jeffrey MorganAnthony Napolitano
    • C40B50/06C40B60/00C12M1/00C12N5/00B29C33/40
    • C12M25/00B33Y80/00C12M21/08C12M23/12C12M25/14C12N5/0012C12N5/0062C12N2533/40C12N2533/74
    • The invention is a cell aggregation device comprising a hydrogel substrate having at least one, preferably a plurality, of cell-repellant compartments recessed into the uppermost surface. Each compartment is composed of an upper cell suspension seeding chamber having an open uppermost portion and a bottom portion, and one, or more than one, lower cell aggregation recess connected to the bottom portion of the upper cell suspension seeding chamber by a port. The diameter of the port may be fully contiguous with the walls of the chambers and walls of the recesses, or the diameter of the port may be more narrow than the walls of the chamber but fully contiguous with the walls of the recesses or more narrow than both the walls of the chamber and the walls of the recesses. The upper cell suspension seeding chambers are formed and positioned to funnel the cells into the lower cell aggregation recesses through gravitational force. The aggregation recesses are formed and positioned to promote cellular aggregation by coalescing cells into a finite region of minimum gravitational energy, increasing intercellular contact and minimizing or preventing cell adherence to the substrate. A device for encapsulating aggregates of live cells is provided. The device comprises (i) a biocompatible, bio-sustainable substrate having a cell-encapsulating face composed of one or more biocompatible, bio-sustainable, spaced-apart, cell-encapsulating compartments extending therefrom and (ii) a coating layer composed of a biocompatible, bio-sustainable polymer that completely surrounds the substrate and the cell-encapsulating compartments. A method for making the device is also provided.
    • 本发明是一种细胞聚集装置,其包括具有至少一个,优选多个凹陷到最上表面的细胞排斥隔室的水凝胶基底。 每个隔室由具有开口最上部分和底部的上部细胞悬浮播种室组成,以及通过端口连接到上部细胞悬浮播种室的底部的一个或多于一个下部细胞聚集凹部。 端口的直径可以与腔室的壁和凹部的壁完全邻接,或者端口的直径可以比室的壁更窄,但是与凹部的壁完全邻接或更窄 房间的墙壁和凹槽的墙壁。 形成并定位上细胞悬浮播种室,以通过重力将细胞漏入下细胞聚集凹槽。 形成和定位聚集凹槽以通过将细胞聚结成最小引力能的有限区域,增加细胞间接触并最小化或防止细胞粘附于基底来促进细胞聚集。 提供了用于封装活细胞聚集体的装置。 所述装置包括(i)生物相容的生物可持续的底物,其具有由一个或多个生物相容性,生物可持续的间隔开的细胞包封的隔室组成的细胞封装面,所述细胞封装的区域从其延伸,和(ii)由 生物相容的,生物可持续的聚合物,其完全包围底物和细胞封装隔室。 还提供了制造该装置的方法。