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公开(公告)号:US20150027889A1
公开(公告)日:2015-01-29
申请号:US14506265
申请日:2014-10-03
Applicant: ADVANCED LIQUID LOGIC, INC.
Inventor: Michael G. Pollack , Prasanna Thwar , Vamsee K. Pamula , Vijay Srinivasan , Allen E. Eckhardt , Alexander Shenderov , Dwayne J. Allen
IPC: B01L3/00 , G01N27/447
CPC classification number: B01L3/502784 , B01L3/502715 , B01L3/502761 , B01L7/52 , B01L2200/027 , B01L2200/0673 , B01L2300/022 , B01L2300/023 , B01L2300/024 , B01L2300/0672 , B01L2300/0816 , B01L2300/0864 , B01L2300/0867 , B01L2400/0415 , B01L2400/0424 , B01L2400/0427 , B01L2400/043 , B01L2400/0478 , B01L2400/0481 , B01L2400/0487 , B01L2400/049 , B01L2400/0683 , G01N27/44704 , G01N35/0098 , G01N2035/1046 , Y10T436/25 , Y10T436/2575
Abstract: The invention provides droplet actuators and droplet actuator cassettes including reagent storage capabilities, as well as methods of making and using the droplet actuators and cassettes. The invention also provides continuous flow channel elements and techniques for using electrodes to manipulate droplets in flowing streams. The invention also discloses methods of separating compounds on a droplet actuator. Various other aspects of the invention are also disclosed.
Abstract translation: 本发明提供了包括试剂储存能力的液滴致动器和液滴致动器盒,以及制造和使用液滴致动器和盒的方法。 本发明还提供了用于使用电极在流动流中操纵液滴的连续流动通道元件和技术。 本发明还公开了在液滴致动器上分离化合物的方法。 还公开了本发明的各种其它方面。
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公开(公告)号:US20140216932A1
公开(公告)日:2014-08-07
申请号:US14248884
申请日:2014-04-09
Applicant: Advanced Liquid Logic, Inc.
Inventor: Vijay Srinivasan , Michael G. Pollack , Alexander Shenderov , Zhishan Hua , Arjun Sudarsan
IPC: B01L3/00
CPC classification number: B01L3/502792 , B01L2200/12 , B01L2300/0819 , B01L2300/089 , B01L2400/0415 , B01L2400/0421 , B01L2400/0427 , Y10T29/49826
Abstract: The invention provides a droplet actuator. The droplet actuator may include a base substrate and a top substrate separated to form a gap. The base substrate may include electrodes configured for conducting droplet operations in the gap; and the top substrate may include a glass substrate portion coupled to a non-glass portion, where the non-glass portion may include one or more openings establishing a fluid path extending from an exterior of the droplet actuator and into the gap. The invention also provides related methods of manufacturing the droplet actuator, methods of using the droplet actuator, and methods of loading the droplet actuator.
Abstract translation: 本发明提供一种液滴致动器。 液滴致动器可以包括分离以形成间隙的基底基板和顶基板。 基底基板可以包括被配置用于在间隙中进行液滴操作的电极; 并且顶部衬底可以包括联接到非玻璃部分的玻璃衬底部分,其中非玻璃部分可以包括建立从液滴致动器的外部延伸到间隙中的流体路径的一个或多个开口。 本发明还提供了制造液滴致动器的相关方法,使用液滴致动器的方法以及装载液滴致动器的方法。
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公开(公告)号:US20140014517A1
公开(公告)日:2014-01-16
申请号:US14027941
申请日:2013-09-16
Applicant: Advanced Liquid Logic, Inc.
Inventor: Vijay Srinivasan , Michael G. Pollack , Zhishan Hua , Arjun Sudarsan , Allen E. Eckhardt
IPC: G01N27/447
CPC classification number: G01N27/44743 , B01L3/0268 , B01L3/502761 , B01L3/502792 , B01L2200/0605 , B01L2200/061 , B01L2200/0647 , B01L2300/0645 , B01L2300/16 , B01L2400/0415 , B01L2400/0427
Abstract: Droplet actuator for conducting droplet operations, such as droplet transport and droplet dispensing, is provided. In one embodiment, the droplet actuator may include an electrode that is rotationally but not reflectively symmetrical.
Abstract translation: 提供用于进行液滴操作的液滴致动器,例如液滴传输和液滴分配。 在一个实施例中,液滴致动器可以包括旋转但不反射对称的电极。
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公开(公告)号:US20130252262A1
公开(公告)日:2013-09-26
申请号:US13890715
申请日:2013-05-09
Applicant: ADVANCED LIQUID LOGIC INC.
Inventor: Vijay Srinivasan , Vamsee K. Pamula , Michael G. Pollack , Richard B. Fair
IPC: G01N27/72
CPC classification number: G01N27/72 , G01N27/745 , G01N33/54326
Abstract: A method of detecting a target analyte in a sample, including executing electrowetting-mediated droplet operations and thereby: combining one or more immunoassay reagent droplets comprising magnetically-responsive beads having affinity for the target analyte with one or more sample droplets potentially comprising the target analyte to yield a first combined droplet; beginning with the combined droplet, effecting a droplet-based washing protocol to wash the magnetically-responsive beads to yield a first washed droplet comprising the washed magnetically responsive beads; and combining the droplet comprising the washed magnetically responsive beads with a droplet comprising a reporter molecule having affinity for target analyte captured on the magnetically-responsive beads to yield a second combined droplet; beginning with the second combined droplet, effecting a droplet-based washing protocol to wash the magnetically-responsive beads to yield a second washed droplet comprising the washed magnetically responsive beads; detecting a signal from the second washed droplet which corresponds to the presence, absence and/or quantity of the analyte in the sample.
Abstract translation: 一种检测样品中的目标分析物的方法,包括执行电润湿介导的液滴操作,从而:将包含对靶分析物具有亲和性的磁响应珠粒的一种或多种免疫测定试剂液滴与潜在地包含靶分析物的一个或多个样品液 以产生第一组合液滴; 从组合的液滴开始,实现基于液滴的洗涤方案以洗涤磁响应珠,以产生包含洗涤的磁响应珠的第一洗涤液滴; 以及将包含洗涤的磁响应珠粒的液滴与包含对在磁响应珠上捕获的靶分析物具有亲和力的报道分子的液滴组合以产生第二组合液滴; 从第二组合液滴开始,实现基于液滴的洗涤方案以洗涤磁响应珠,产生包含洗涤的磁响应珠的第二洗涤液滴; 检测来自第二洗涤液滴的信号,其对应于样品中分析物的存在,不存在和/或数量。
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公开(公告)号:US11525827B2
公开(公告)日:2022-12-13
申请号:US16811789
申请日:2020-03-06
Applicant: Advanced Liquid Logic, Inc.
Inventor: Vamsee K. Pamula , Michael G. Pollack , Ramakrishna Sista , Arjun Sudarsan
IPC: G01N33/543 , B01L3/00 , B03C1/02 , B03C1/28 , B03C1/30 , B03C5/00 , C12N15/10 , G01N33/561 , B01F31/65 , B01F33/302 , B01F33/3031 , B01L7/00 , G01N35/10
Abstract: Methods are provided for separating magnetically responsive beads from a droplet in a droplet actuator. Droplet operations electrodes and a magnet are arranged in a droplet actuator to manipulate a bead-containing droplet and position it relative to a magnetic field region that attracts the magnetically responsive beads. The droplet operations electrodes are operated to control the droplet shape and transport it away from the magnetic field region to form a concentration of beads in the droplet. The continued transport of the droplet away from the magnetic field causes the concentration of beads to break away from the droplet to yield a small, concentrated bead-containing droplet immobilized by the magnet.
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公开(公告)号:US20190324026A1
公开(公告)日:2019-10-24
申请号:US16455506
申请日:2019-06-27
Applicant: Advanced Liquid Logic, Inc. , Duke University
Inventor: Ramakrishna Sista , Vamsee K. Pamula , Michael G. Pollack , Vijay Srinivasan , Allen E. Eckhardt , Richard B. Fair
IPC: G01N33/543 , B01L3/00 , G01N27/447 , C12M1/12
Abstract: A method comprising effecting a change in a shape of a droplet, wherein the droplet is disposed over a substrate in sensing proximity to a sensor and the droplet has a starting surface area exposed to the sensor; and producing an expanded surface area of the droplet in the sensing proximity exposed to the sensor, wherein the expanded surface area exposed to the sensor is greater than the starting surface area exposed to the sensor.
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公开(公告)号:US10183292B2
公开(公告)日:2019-01-22
申请号:US14968094
申请日:2015-12-14
Applicant: Advanced Liquid Logic, Inc.
Inventor: Ryan A. Sturmer , Michael G. Pollack , Vamsee K. Pamula , Vijay Srinivasan , Philip Y. Paik
Abstract: A method, circuit and apparatus for detecting capacitance on a droplet actuator, inter alia, for determining the presence, partial presence or absence of a droplet at an electrode on a droplet actuator by: (a) providing a droplet actuator comprising: (i) a substrate comprising electrodes arranged on the substrate for conducting droplet operations on a surface of the substrate; (ii) a capacitance detection circuit for detecting capacitance at the droplet operations surface at one or more of the electrodes; (b) detecting capacitance at the droplet operations surface at one or more of the electrodes; and (c) determining from the capacitance the presence, partial presence or absence of a droplet at the droplet operations surface at the electrode.
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公开(公告)号:US20190011443A1
公开(公告)日:2019-01-10
申请号:US16132175
申请日:2018-09-14
Applicant: Advanced Liquid Logic, Inc.
Inventor: Vamsee K. Pamula , Michael G. Pollack , Ramakrishna Sista , Arjun Sudarsan
IPC: G01N33/543 , B03C1/28 , B03C1/30 , B03C5/00 , B01F11/00 , B01F13/00 , B03C1/02 , B01L3/00 , C12N15/10 , G01N33/561 , B01L7/00 , G01N35/10
CPC classification number: G01N33/54333 , B01F11/0071 , B01F13/0071 , B01F13/0076 , B01L3/502715 , B01L3/502761 , B01L3/502784 , B01L3/502792 , B01L7/52 , B01L7/525 , B01L2200/027 , B01L2200/0647 , B01L2200/0668 , B01L2300/0654 , B01L2300/0816 , B01L2300/0861 , B01L2300/0864 , B01L2300/0867 , B01L2300/089 , B01L2300/1827 , B01L2400/0406 , B01L2400/0415 , B01L2400/0421 , B01L2400/0424 , B01L2400/0427 , B01L2400/043 , B01L2400/0436 , B01L2400/0442 , B03C1/02 , B03C1/288 , B03C1/30 , B03C5/005 , B03C2201/18 , B03C2201/26 , C12N15/1013 , G01N33/561 , G01N2035/1046 , Y10T436/11 , Y10T436/25 , Y10T436/25625 , Y10T436/2575
Abstract: Methods are provided for separating magnetically responsive beads from a droplet in a droplet actuator. Droplet operations electrodes and a magnet are arranged in a droplet actuator to manipulate a bead-containing droplet and position it relative to a magnetic field region that attracts the magnetically responsive beads. The droplet operations electrodes are operated to control the droplet shape and transport it away from the magnetic field region to form a concentration of beads in the droplet. The continued transport of the droplet away from the magnetic field causes the concentration of beads to break away from the droplet to yield a small, concentrated bead-containing droplet immobilized by the magnet.
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公开(公告)号:US20160109338A1
公开(公告)日:2016-04-21
申请号:US14978935
申请日:2015-12-22
Applicant: Advanced Liquid Logic, Inc.
Inventor: Ramakrishna Sista , Vamsee K. Pamula , Vijay Srinivasan , Michael G. Pollack , Allen Eckhardt
IPC: G01N1/38
CPC classification number: G01N33/54326 , B01F11/0071 , B01F13/0071 , B01F13/0076 , B01F13/0809 , B01L3/50273 , B01L3/502761 , B01L3/502792 , B01L7/52 , B01L7/525 , B01L2200/027 , B01L2200/0647 , B01L2200/0673 , B01L2300/06 , B01L2300/0654 , B01L2300/0816 , B01L2300/0861 , B01L2300/0864 , B01L2300/0867 , B01L2300/089 , B01L2300/1827 , B01L2400/0406 , B01L2400/0415 , B01L2400/0421 , B01L2400/0424 , B01L2400/0427 , B01L2400/043 , B01L2400/0436 , B01L2400/0442 , G01N1/38 , G01N2001/386 , G01N2035/1046 , Y10T436/11 , Y10T436/25 , Y10T436/25625 , Y10T436/2575
Abstract: The invention provides a method of circulating magnetically responsive beads within a droplet in a droplet actuator. The invention also provides methods for splitting droplets. The invention, in one embodiment, makes use of a droplet actuator with top and bottom substrates, a plurality of magnetic fields respectively present proximate the top and bottom substrates, wherein at least one of the magnet fields is selectively alterable, and a plurality of droplet operations electrodes positioned along at least one of the top and bottom surfaces. A droplet is positioned between the top and bottom surfaces and at least one of the magnetic fields is selectively altered.
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公开(公告)号:US20160097047A1
公开(公告)日:2016-04-07
申请号:US14969933
申请日:2015-12-15
Applicant: Advanced Liquid Logic, Inc
Inventor: Michael G. Pollack , Vamsee K. Pamula , Allen E. Eckhardt
CPC classification number: C12N13/00 , B01J2219/00527 , B01J2219/00653 , B01J2219/00743 , G01N15/10 , G01N35/10 , G01N2015/0088 , G01N2015/1081 , G01N2035/00564 , G01N2035/1034 , Y10T436/11 , Y10T436/25 , Y10T436/2575
Abstract: A method of growing cells on a droplet actuator is provided. The method may include providing a droplet actuator including a cell culture droplet including a cell culture medium and one or more cells; and maintaining the droplet at a temperature suitable for causing the cells to grow in the cell culture medium on the droplet actuator. Related methods, droplet actuators, and systems are also provided.
Abstract translation: 提供了一种在液滴致动器上生长细胞的方法。 该方法可以包括提供包括包含细胞培养基和一个或多个细胞的细胞培养液滴的液滴致动器; 并且将液滴保持在适于使细胞在液滴致动器上的细胞培养基中生长的温度。 还提供了相关方法,液滴致动器和系统。
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