System for detecting electrical properties of a molecular complex

    公开(公告)号:US09869655B2

    公开(公告)日:2018-01-16

    申请号:US14558268

    申请日:2014-12-02

    发明人: Roger J. A. Chen

    IPC分类号: G01N27/327 G01N33/487

    摘要: A system for detecting electrical properties of a molecular complex is disclosed. The system includes an electrode electrically coupled to a molecular complex that outputs an electrical signal affected by an electrical property of the molecular complex, wherein the effect of the electrical property of the molecular complex on the electrical signal is characterized by an expected bandwidth. The system further includes an integrating amplifier circuit configured to: receive the electrical signal from the electrode. The integrating amplifier circuit is further configured to selectively amplify and integrate a portion of the electrical signal over time within a predetermined bandwidth, wherein the predetermined bandwidth is selected at least in part based on the expected bandwidth.

    Serpentine flow channels for flowing fluids over chip sensors

    公开(公告)号:US09791432B2

    公开(公告)日:2017-10-17

    申请号:US14664484

    申请日:2015-03-20

    发明人: Robert A. Yuan

    摘要: A nanopore based sequencing system is disclosed. The system includes a plurality of nanopore sensors, each nanopore sensor having a top portion for receiving a fluid. The system further includes an inlet delivering the fluid into the nanopore based sequencing system and an outlet delivering the fluid out of the nanopore based sequencing system. The system includes a fluid chamber that comprises one or more fluid flow channels above top portions of the nanopore sensors; wherein the fluid chamber includes at least one divider that limits the width of the one or more fluid flow channels. In some embodiments, the at least one divider limits the width of the one or more fluid flow channel based on whether the surface tension and adhesive forces between the fluid and the fluid flow channel surfaces are sufficient to prevent the fluid from collapsing within the fluid flow channel.

    SYSTEM FOR COMMUNICATING INFORMATION FROM AN ARRAY OF SENSORS

    公开(公告)号:US20170199151A1

    公开(公告)日:2017-07-13

    申请号:US15380721

    申请日:2016-12-15

    发明人: Roger J.A. Chen

    摘要: A system for communicating information from an array of sensors is disclosed. The system comprises a sensor array that includes a plurality of sensors, wherein each sensor senses a physical property of a material that is in communication with the sensor. The system further comprises signal processing circuitry associated with each sensor that integrates the output of the sensor over time and compares the integrated output to a threshold. The system further comprises a communication network coupled to the signal processing circuitry that outputs information indicating that the integrated output corresponding to a given sensor has reached the threshold.

    NON-FARADAIC, CAPACITIVELY COUPLED MEASUREMENT IN A NANOPORE CELL ARRAY

    公开(公告)号:US20170153205A1

    公开(公告)日:2017-06-01

    申请号:US15288107

    申请日:2016-10-07

    发明人: Roger J.A. Chen

    IPC分类号: G01N27/447 G01N33/487

    摘要: A method of identifying a molecule is disclosed. A molecule is drawn to a nanopore by applying a first voltage signal to a pair of electrodes during a first period, wherein the first voltage signal causes a first ionic current through the nanopore that is indicative of a property of a portion of the molecule proximate to the nanopore. The molecule is released from the nanopore by applying a second voltage signal to the pair of electrodes during a second period, wherein the second voltage signal causes a second ionic current through the nanopore. The first period and the second period are determined based at least in part on a net ionic current through the nanopore comprising the first ionic current and the second ionic current.

    ELECTROCHEMICAL CELL WITH INCREASED CURRENT DENSITY
    99.
    发明申请
    ELECTROCHEMICAL CELL WITH INCREASED CURRENT DENSITY 审中-公开
    电化学电池具有增加的电流密度

    公开(公告)号:US20170058397A1

    公开(公告)日:2017-03-02

    申请号:US14841120

    申请日:2015-08-31

    摘要: A nanopore cell is disclosed. The nanopore cell includes an electrolyte well having a bottom base, a surrounding sidewall, and a hydrophobic surface above the surrounding sidewall. The nanopore cell further includes a first layer of electrode material disposed on the bottom base of the electrolyte well. The nanopore cell further includes a second layer of electrode material disposed on the surrounding sidewall of the electrolyte well and electrically connected to the first layer of electrode material. The first layer of electrode material and the second layer of electrode material are configured to jointly provide capacitive coupling when an electrolyte is placed in the electrolyte well.

    摘要翻译: 公开了一种纳米孔细胞。 纳米孔单元包括电解质阱,其具有底部基底,周围侧壁和在周围侧壁上方的疏水表面。 纳米孔电池还包括设置在电解质阱的底部基底上的第一电极材料层。 纳米孔单元还包括设置在电解质阱的周围侧壁上并电连接到第一电极材料层的第二电极材料层。 第一层电极材料和第二层电极材料构造成当电解质放置在电解质井中时共同提供电容耦合。