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    • 5. 发明授权
    • Capillary valve, connector, and router
    • 毛细管阀,连接器和路由器
    • US06190616B1
    • 2001-02-20
    • US08927645
    • 1997-09-11
    • Stevan B. JovanovichGregory J. RonanDavid J. RoachRichard F. Johnston
    • Stevan B. JovanovichGregory J. RonanDavid J. RoachRichard F. Johnston
    • G01N120
    • G01N35/1097B01L3/5025B01L3/561B01L3/565B01L2200/026B01L2300/0838B01L2400/0406B01L2400/0622B01L2400/0644G01N30/20G01N30/24G01N30/6039G01N30/6078G01N2030/8827G02B6/3504G02B6/3558G02B6/381G02B6/3818G02B6/3825G02B6/3851G02B6/3854G02B6/3869G02B6/3877G02B6/3878G02B6/3887G02B6/3894G02B6/403Y10T137/86549Y10T436/143333Y10T436/2575
    • A capillary valve, connector and router where one or more cylindrical fibers, which may be capillaries, plugged capillaries, optical fibers, or the like, including at least one capillary tube are contained in a first cylindrical bundle of fibers that terminates at a first face. A second cylindrical bundle of fibers also containing one or more fibers including at least one capillary tube terminates in a second face abutting the first face. A fastener or adapter holds the members together with faces in mutually biased alignment, allowing relative rotation of the two cylindrical bundles which terminate in rotatable ferrules. Various functions achieved by rotation include a zero dead volume slide valve, a fluid router and a manifold. The fibers in each sleeve are preferably of uniform size for close symmetrical packing, but could be of disparate sizes, allowing connection of macroscale tubes to capillary tubes. A single connector member may be attached by a fastener to a reservoir or other macroscale device to bring one or more capillary tubes into fluid communication with a macroscale device. A plurality of fibers in one ferrule could allow dispensing of fluid from a single fiber in the other ferrule so that a single fiber could feed a plurality of wells through the plurality of fibers. Connection of a plurality of macroscale pumps enables push-pull fluid motion, with routing, in a capillary system formed by a plurality of fibers coupled by switches, connectors and routers. Chemical reactions, separations and analysis may be carried out with microliter volumes and smaller.
    • 一种毛细阀,连接器和路由器,其中一个或多个圆柱形纤维(其可以是毛细管,堵塞的毛细管,光纤等)包括至少一个毛细管,其包含在第一圆柱形纤维束中,其终止于第一面 。 还包含一个或多个包括至少一个毛细管的纤维的第二圆柱形纤维束终止于邻接第一面的第二面。 紧固件或适配器将构件以与相对偏压对准的面保持在一起,允许两个圆柱形束的相对旋转,其终止于可旋转的套圈中。 通过旋转实现的各种功能包括零死体积滑阀,流体路由器和歧管。 每个套管中的纤维优选地具有均匀的尺寸以用于紧密对称的包装,但是可以具有不同的尺寸,允许宏观尺管连接到毛细管。 单个连接器构件可以通过紧固件附接到储存器或其他宏观尺寸装置以使一个或多个毛细管与宏观尺寸装置流体连通。 一个套圈中的多个纤维可以允许从另一个套圈中的单个纤维分配流体,使得单个纤维可以通过多个纤维供给多个孔。 多个宏观泵的连接使得能够通过布线在由被开关,连接器和路由器耦合的多个光纤形成的毛细管系统中的推挽流体运动。 化学反应,分离和分析可以用微升体积和更小的方式进行。
    • 7. 发明授权
    • Microfluidic methods
    • 微流控方法
    • US08672532B2
    • 2014-03-18
    • US12642665
    • 2009-12-18
    • Stevan B. JovanovichWilliam D. NielsenMichael Van Nguyen
    • Stevan B. JovanovichWilliam D. NielsenMichael Van Nguyen
    • B01F5/06
    • B01F5/06B01F11/0045B01F13/0059F16K99/0001F16K99/0015F16K99/0036F16K99/0046F16K99/0059Y10T137/0318Y10T137/87153Y10T137/877
    • This invention provides microfluidic devices that comprise a fluidics layer having microfluidic channels and one or more regulating layers that regulate the movement of fluid in the channels. The microfluidic devices can be used to mix one or more fluids. At least a portion of the fluidics layer can be isolated from the regulating layer, for example in the form of a shelf. Such isolated portions can be used as areas in which the temperature of liquids is controlled. Also provided are instruments including thermal control devices into which the microfluidic device is engaged so that the thermal control device controls temperature in the isolated portion, and a movable magnetic assembly including magnets with shields so that a focused magnetic field can be applied to or withdrawn from the isolated portion or any other portion of the microfluidic device. Also provided are methods of mixing fluids. The methods include stacking a plurality of alternating boluses of different liquids in a microfluidic channel, and moving the stacked boluses through the channel. In another method, the boluses are moved into a diaphragm valve having a volume able to accommodate several boluses, and then pumping the liquids out of the valve.
    • 本发明提供了微流体装置,其包括具有微流体通道的流体层和调节通道中的流体运动的一个或多个调节层。 微流体装置可以用于混合一种或多种流体。 流体层的至少一部分可以与调节层隔离,例如以搁板的形式。 这种隔离部分可以用作控制液体温度的区域。 还提供了包括热控制装置的仪器,其中微流体装置被接合到其中,使得热控制装置控制隔离部分中的温度,以及可移动磁性组件,其包括具有屏蔽的磁体,使得可以将聚焦磁场施加到或从 微流体装置的隔离部分或任何其它部分。 还提供了混合流体的方法。 这些方法包括在微流体通道中堆叠多个不同液体的交替喷射,并且通过通道移动堆叠的推注。 在另一种方法中,将大团块移动到具有能够容纳多次喷射的体积的隔膜阀中,然后将液体泵出阀。