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公开(公告)号：US20100282609A1
公开(公告)日：2010-11-11
申请号：US12681879
申请日：2008-10-14
IPC分类号： B01J19/08
CPC分类号： B01L3/5027 , B01J2219/00371 , B01J2219/00378 , B01J2219/00385 , B01J2219/00515 , B01J2219/00518 , B01J2219/0065 , B01J2219/00653 , B01L3/502715 , B01L3/502792 , B01L2200/027 , B01L2200/0605 , B01L2200/0668 , B01L2200/16 , B01L2300/0816 , B01L2300/0819 , B01L2300/0845 , B01L2300/089 , B01L2400/0427 , B01L2400/0478 , B01L2400/0487
摘要： On-board reagent storage, handling, and dispensing apparatuses and methods for droplet actuator systems are provided. In one embodiment, a fluidic analyzer is provided and includes a droplet actuator including a substrate including a plurality of electrodes configured to actuate a droplet and a reagent storage component in selective fluid communication with the droplet actuator and including a reagent configured to combine with a solvent at a time of use. In another embodiment, a method of conducting fluidic analysis is provided and includes storing a reagent within a reagent storage component in fluid communication with a droplet actuator including a plurality of electrodes configured to actuate a droplet and combining the reagent with a solvent at a time for use within the droplet actuator.
摘要翻译： 提供了用于液滴致动器系统的机载试剂储存，处理和分配装置和方法。 在一个实施例中，提供了一种流体分析器，其包括液滴致动器，该液滴致动器包括基底，该基底包括配置成致动液滴的多个电极和与液滴致动器选择性流体连通的试剂储存部件，并且包括配置成与溶剂组合的试剂 在使用时。 在另一个实施例中，提供了一种进行流体分析的方法，包括将试剂储存在与液滴致动器流体连通的液体致动器内，所述液滴致动器包括配置成致动液滴的多个电极并且一次将溶剂与溶剂组合 在液滴致动器内使用。
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公开(公告)号：US20100236928A1
公开(公告)日：2010-09-23
申请号：US12681848
申请日：2008-10-15
CPC分类号： B01L3/502792 , B01L3/502761 , B01L2200/0673 , B01L2300/0654 , B01L2300/0816 , B01L2300/0819 , B01L2300/0861 , B01L2300/0864 , B01L2300/0867 , B01L2300/087 , B01L2300/088 , B01L2300/089 , B01L2400/0424 , B01L2400/0427 , B01L2400/0448
摘要： A droplet actualor having electrodes configured for ejecting droplet operations transporting droplets on a surface, and a sensor arranged in proximity to one or more of the electrodes establishing a detection window on the surface for detection of one or more properties of one or more droplets on the surface, wherein the electrodes establish at least two pathways for transport of droplets into the detection window. Also provided is, A method of detecting a property of a target droplet, including using droplet operations to modulate signals from a droplet set comprising the target droplet, detecting the modulated signals of the droplet set, demodulating the modulated signals to identify the signal produced by one or more individual droplets of the set Related methods and alternative embodiments are also provided.
摘要翻译： 具有配置用于喷射在表面上输送液滴的液滴操作的电极的液滴实体，以及布置在一个或多个电极附近的传感器，其在表面上建立检测窗口，用于检测表面上的一个或多个液滴的一个或多个特性 表面，其中电极建立用于将液滴输送到检测窗中的至少两个路径。 还提供了一种检测目标液滴的属性的方法，包括使用液滴操作来调制来自包括目标液滴的液滴组的信号，检测液滴组的调制信号，解调调制信号以识别由 还提供了一组或多个组合的相关方法和替代实施例。
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公开(公告)号：US20100140093A1
公开(公告)日：2010-06-10
申请号：US12615609
申请日：2009-11-10
IPC分类号： C25B7/00
CPC分类号： G01N27/26 , B01F13/0071 , B01F13/0076 , B01L3/0268 , B01L3/502715 , B01L3/502723 , B01L3/502761 , B01L3/502784 , B01L3/502792 , B01L7/52 , B01L7/525 , B01L2200/027 , B01L2200/0668 , B01L2200/0673 , B01L2200/0684 , B01L2300/0654 , B01L2300/0816 , B01L2300/0861 , B01L2300/0864 , B01L2300/0867 , B01L2300/089 , B01L2300/1827 , B01L2400/0406 , B01L2400/0415 , B01L2400/0424 , B01L2400/0427 , B01L2400/043 , B01L2400/0436 , B01L2400/0442 , B01L2400/0448 , C12Q1/686 , C12Q1/6869 , G01N27/3271 , G01N27/416 , G01N27/447 , G01N35/00029 , G01N2035/00158 , G01N2035/00237
摘要： The present invention relates to droplet-based surface modification and washing. According to one embodiment, a method of providing a bead-containing droplet with a reduced concentration of a substance is provided, the method including providing a droplet microactuator including a droplet having a starting volume and including one or more beads and a starting concentration and starting quantity of the substance. The method further includes conducting one or more droplet operations to merge a wash droplet with the droplet provided in the above step to yield a combined droplet and including one or more droplet operations to divide the combined droplet to yield a set of droplets including a droplet including substantially all of the one or more beads and having a decreased concentration of the substance relative to the starting concentration and a droplet which is substantially lacking in the beads.
摘要翻译： 本发明涉及液滴表面改性和洗涤。 根据一个实施例，提供了一种提供具有降低的物质浓度的含珠粒的液滴的方法，所述方法包括提供包括具有起始体积并包括一个或多个珠粒和起始浓度的液滴的液滴微致动器，并起始浓度 物质的数量。 该方法还包括进行一个或多个液滴操作以将洗涤液滴与上述步骤中提供的液滴合并以产生组合液滴并且包括一个或多个液滴操作以分开组合的液滴以产生包括液滴的一组液滴，包括液滴，包括 基本上所有的一种或多种珠粒，并且物质相对于起始浓度降低，而珠子中基本上不含有液滴。
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公开(公告)号：US20100062508A1
公开(公告)日：2010-03-11
申请号：US12531835
申请日：2008-03-24
CPC分类号： C25B15/00 , B01F13/0071 , B01L3/502761 , B01L3/502792 , B01L2200/0605 , B01L2200/0647 , B01L2200/0668 , B01L2200/0673 , B01L2300/0636 , B01L2300/0816 , B01L2300/0861 , B01L2300/0867 , B01L2300/089 , B01L2400/0427 , B01L2400/0487 , G01N33/5438
摘要： A droplet actuator and method of providing a droplet comprising an target substance on the droplet actuator, and including discrete flow and continuous flow functionality. Discrete flow function is controlled by electrodes arranged for conducting droplet operations on a substrate surface. The continuous flow function includes a fluid path arranged for flowing a fluid therethrough. The discrete flow and continuous flow functions may be by a barrier, including a second fluid path through the barrier. The continuous flow function may include a capture surface comprising a component having an affinity for the target substance. Methods of the invention may include flowing a fluid comprising the target substance through the fluid path; capturing the target substance on the capture surface; and forming a droplet in the discrete flow region via the second fluid path and the electrodes comprising the captured target substance.
摘要翻译： 液滴致动器和在液滴致动器上提供包含目标物质的液滴的方法，并且包括离散流动和连续流动功能。 离散流动功能由布置用于在基板表面上进行液滴操作的电极控制。 连续流动功能包括设置成使流体流过其中的流体路径。 离散的流动和连续流动功能可以是通过屏障，包括通过屏障的第二流体路径。 连续流动功能可以包括包含对目标物质具有亲和性的成分的捕获表面。 本发明的方法可以包括使包含目标物质的流体流过流体路径; 捕获表面上的目标物质; 以及经由所述第二流体路径在所述离散流动区域中形成液滴，并且所述电极包括所捕获的目标物质。
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公开(公告)号：US09046514B2
公开(公告)日：2015-06-02
申请号：US12524495
申请日：2008-02-11
申请人： Ramakrishna Sista , Vamsee K. Pamula , Michael G. Pollack , Vijay Srinivasan , Allen E. Eckhardt , Richard B. Fair
发明人： Ramakrishna Sista , Vamsee K. Pamula , Michael G. Pollack , Vijay Srinivasan , Allen E. Eckhardt , Richard B. Fair
CPC分类号： G01N33/54326 , B01L3/502715 , B01L3/50273 , B01L3/502761 , B01L3/502784 , B01L2200/025 , B01L2200/028 , B01L2200/0647 , B01L2200/0673 , B01L2200/141 , B01L2300/0816 , B01L2300/0864 , B01L2300/0867 , B01L2400/0427 , B01L2400/043 , C12M25/01 , C12M25/16 , G01N27/44717 , G01N27/44786 , G01N33/54386 , G01N35/0098 , G01N2035/1046
摘要： A method of providing a droplet in contact with a magnetically responsive bead and having a reduced quantity of a substance. The method generally includes the steps of (a) providing a droplet actuator (200) comprising: (i) a substrate (210) comprising electrodes (214) arranged for conducting droplet operations on a surface; (ii) a starting droplet (218/222) comprising: (1) one or more magnetically responsive beads (220); (2) a starting quantity of the substance; and (3) a starting volume; (b) magnetically immobilizing the one or more magnetically responsive beads at a location which is at a distance from a target droplet splitting zone, (224); (c) conducting one or more droplet operations comprising droplet dividing operations selected to divide the combined droplet to yield a set of droplets comprising: (i) a droplet (218) comprising substantially all of the one or more magnetically responsive beads and having a decreased quantity of the substance relative to the starting concentration; and (ii) a droplet (222) substantially lacking the magnetically responsive beads.
摘要翻译： 提供与磁响应珠接触并具有减少的物质量的液滴的方法。 该方法通常包括以下步骤：（a）提供液滴致动器（200），包括：（i）包括布置用于在表面上进行液滴操作的电极（214）的基底（210） （ii）起始液滴（218/222），包括：（1）一个或多个磁响应珠（220）; （2）物质的起始量; 和（3）起始体积; （b）将所述一个或多个磁响应珠磁性地固定在距离目标液滴分离区一段距离的位置处（224）; （c）进行一个或多个液滴操作，其包括液滴分割操作，所述液滴分割操作被选择以分割组合的液滴以产生一组液滴，其包括：（i）液滴（218），其基本上包含所有一个或多个磁响应珠粒， 物质的数量相对于起始浓度; 和（ii）基本上不含磁响应珠的液滴（222）。
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公开(公告)号：US08951721B2
公开(公告)日：2015-02-10
申请号：US12615666
申请日：2009-11-10
CPC分类号： G01N27/26 , B01F13/0071 , B01F13/0076 , B01L3/0268 , B01L3/502715 , B01L3/502723 , B01L3/502761 , B01L3/502784 , B01L3/502792 , B01L7/52 , B01L7/525 , B01L2200/027 , B01L2200/0668 , B01L2200/0673 , B01L2200/0684 , B01L2300/0654 , B01L2300/0816 , B01L2300/0861 , B01L2300/0864 , B01L2300/0867 , B01L2300/089 , B01L2300/1827 , B01L2400/0406 , B01L2400/0415 , B01L2400/0424 , B01L2400/0427 , B01L2400/043 , B01L2400/0436 , B01L2400/0442 , B01L2400/0448 , C12Q1/686 , C12Q1/6869 , G01N27/3271 , G01N27/416 , G01N27/447 , G01N35/00029 , G01N2035/00158 , G01N2035/00237
摘要： The present invention relates to droplet-based surface modification and washing. According to one embodiment, a method of splitting a droplet is provided, the method including providing a droplet microactuator including a droplet including one or more beads and immobilizing at least one of the one or more beads. The method further includes conducting one or more droplet operations to divide the droplet to yield a set of droplets including a droplet including the one or more immobilized beads and a droplet substantially lacking the one or more immobilized beads.
摘要翻译： 本发明涉及液滴表面改性和洗涤。 根据一个实施例，提供了一种分离液滴的方法，所述方法包括提供包括包含一个或多个珠并且固定所述一个或多个珠中的至少一个珠的液滴的液滴微致动器。 该方法还包括进行一个或多个液滴操作以分开液滴以产生一组液滴，包括包含一个或多个固定化珠粒的液滴和基本上不含一个或多个固定化珠粒的液滴。
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公开(公告)号：US08541176B2
公开(公告)日：2013-09-24
申请号：US12113385
申请日：2008-05-01
IPC分类号： G01N33/53
CPC分类号： G01N27/26 , B01F13/0071 , B01F13/0076 , B01L3/0268 , B01L3/502715 , B01L3/502723 , B01L3/502761 , B01L3/502784 , B01L3/502792 , B01L7/52 , B01L7/525 , B01L2200/027 , B01L2200/0668 , B01L2200/0673 , B01L2200/0684 , B01L2300/0654 , B01L2300/0816 , B01L2300/0861 , B01L2300/0864 , B01L2300/0867 , B01L2300/089 , B01L2300/1827 , B01L2400/0406 , B01L2400/0415 , B01L2400/0424 , B01L2400/0427 , B01L2400/043 , B01L2400/0436 , B01L2400/0442 , B01L2400/0448 , C12Q1/686 , C12Q1/6869 , G01N27/3271 , G01N27/416 , G01N27/447 , G01N35/00029 , G01N2035/00158 , G01N2035/00237
摘要： The present invention relates to droplet-based surface modification and washing. According to one embodiment, a method of modifying a surface on a droplet microactuator is provided, wherein the method includes executing one or more droplet operations to bring a droplet comprising a surface-modifying agent into contact with the surface. According to another embodiment, a droplet microactuator is provided and includes a sample or reagent immobilized on a surface thereof and arranged such that a droplet on the droplet microactuator may contact the surface. According to yet another embodiment, a method of removing a substance from a surface to which the substance is bound is provided, the method including conducting one or more droplet operations to contact a droplet with the surface, the droplet comprising a solution for eluting the substance from the surface
摘要翻译： 本发明涉及液滴表面改性和洗涤。 根据一个实施例，提供了修改液滴微致动器上的表面的方法，其中所述方法包括执行一个或多个液滴操作以使包含表面改性剂的液滴与表面接触。 根据另一个实施例，提供液滴微致动器，并且包括固定在其表面上的样品或试剂，并且布置成使得液滴微致动器上的液滴可接触表面。 根据另一个实施方案，提供从物质结合的表面除去物质的方法，所述方法包括进行一个或多个液滴操作以使液滴与表面接触，所述液滴包含用于洗脱物质的溶液 从表面
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公开(公告)号：US20130146461A1
公开(公告)日：2013-06-13
申请号：US13686495
申请日：2012-11-27
IPC分类号： C25B15/00
CPC分类号： C25B15/00 , B01F13/0071 , B01L3/502761 , B01L3/502792 , B01L2200/0605 , B01L2200/0647 , B01L2200/0668 , B01L2200/0673 , B01L2300/0636 , B01L2300/0816 , B01L2300/0861 , B01L2300/0867 , B01L2300/089 , B01L2400/0427 , B01L2400/0487 , G01N33/5438
摘要： A droplet actuator and method of providing a droplet comprising an target substance on the droplet actuator, and including discrete flow and continuous flow functionality. Discrete flow function is controlled by electrodes arranged for conducting droplet operations on a substrate surface. The continuous flow function includes a fluid path arranged for flowing a fluid therethrough. The discrete flow and continuous flow functions may be by a barrier, including a second fluid path through the barrier. The continuous flow function may include a capture surface comprising a component having an affinity for the target substance. Methods of the invention may include flowing a fluid comprising the target substance through the fluid path; capturing the target substance on the capture surface; and forming a droplet in the discrete flow region via the second fluid path and the electrodes comprising the captured target substance.
摘要翻译： 液滴致动器和在液滴致动器上提供包含目标物质的液滴的方法，并且包括离散流动和连续流动功能。 离散流动功能由布置用于在基板表面上进行液滴操作的电极控制。 连续流动功能包括设置成使流体流过其中的流体路径。 离散的流动和连续流动功能可以是通过屏障，包括通过屏障的第二流体路径。 连续流动功能可以包括包含对目标物质具有亲和性的成分的捕获表面。 本发明的方法可以包括使包含目标物质的流体流过流体路径; 捕获表面上的目标物质; 以及经由所述第二流体路径在所述离散流动区域中形成液滴，并且所述电极包括所捕获的目标物质。
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公开(公告)号：US08389297B2
公开(公告)日：2013-03-05
申请号：US11639822
申请日：2006-12-15
IPC分类号： G01N33/553
CPC分类号： C12Q1/68 , B01L7/52 , B01L2300/0645 , B01L2300/1822 , B01L2300/1894 , B01L2400/0424 , B01L2400/0427 , C12Q1/6869 , G01N27/44791 , Y10T436/25 , C12Q2565/629 , C12Q2565/301 , C12Q2563/149
摘要： The present invention relates to a droplet-based affinity assay device and system. According to one embodiment, a droplet microactuator is provided and includes an antibody immobilized on a surface. According to another embodiment, a droplet microactuator is provided and includes a droplet on the droplet microactuator, the droplet comprising an antibody.
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公开(公告)号：US08317990B2
公开(公告)日：2012-11-27
申请号：US12531835
申请日：2008-03-24
IPC分类号： G01N35/08 , G01N33/543
CPC分类号： C25B15/00 , B01F13/0071 , B01L3/502761 , B01L3/502792 , B01L2200/0605 , B01L2200/0647 , B01L2200/0668 , B01L2200/0673 , B01L2300/0636 , B01L2300/0816 , B01L2300/0861 , B01L2300/0867 , B01L2300/089 , B01L2400/0427 , B01L2400/0487 , G01N33/5438
摘要： A droplet actuator and method of providing a droplet comprising an target substance on the droplet actuator, and including discrete flow and continuous flow functionality. Discrete flow function is controlled by electrodes arranged for conducting droplet operations on a substrate surface. The continuous flow function includes a fluid path arranged for flowing a fluid therethrough. The discrete flow and continuous flow functions may be by a barrier, including a second fluid path through the barrier. The continuous flow function may include a capture surface comprising a component having an affinity for the target substance. Methods of the invention may include flowing a fluid comprising the target substance through the fluid path; capturing the target substance on the capture surface; and forming a droplet in the discrete flow region via the second fluid path and the electrodes comprising the captured target substance.
摘要翻译： 液滴致动器和在液滴致动器上提供包含目标物质的液滴的方法，并且包括离散流动和连续流动功能。 离散流动功能由布置用于在基板表面上进行液滴操作的电极控制。 连续流动功能包括设置成使流体流过其中的流体路径。 离散的流动和连续流动功能可以是通过屏障，包括通过屏障的第二流体路径。 连续流动功能可以包括包含对目标物质具有亲和性的成分的捕获表面。 本发明的方法可以包括使包含目标物质的流体流过流体路径; 捕获表面上的目标物质; 以及经由所述第二流体路径在所述离散流动区域中形成液滴，并且所述电极包括所捕获的目标物质。
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