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    • 2. 发明授权
    • Array-based bioactivated nanopore devices
    • 基于阵列的生物活化纳米孔装置
    • US08592225B2
    • 2013-11-26
    • US11904345
    • 2007-09-27
    • Mostafa RonaghiAmir Ali Haj Hossein TalasazRonald W. Davis
    • Mostafa RonaghiAmir Ali Haj Hossein TalasazRonald W. Davis
    • G01N33/553
    • B82Y15/00
    • A nanopore device capable of single molecule detection is described. The nanopores are formed in thin, rigid membranes and modified by a sputtered metal that forms an overhang during application. The overhang causes the pore to be narrower in a certain region, allowing passage of only a single molecule through the pore at a time, or binding to a biomolecule on the pore to be detected by a change in ionic current flow through the nanopore. Embodiments include a silicon nitride membrane formed on a silicon substrate and having a nanopore drilled with a focused ion beam system, followed by gold sputtering onto the membrane. Devices are formed with one or more nanopores and chambers having electrodes on either side of the nanopore.
    • 描述了能够进行单分子检测的纳米孔装置。 纳米孔形成在薄的刚性膜中,并且通过在施加期间形成悬垂体的溅射金属进行改性。 突出端导致孔在一定区域内变窄,允许一次仅通过一个分子通过孔,或者通过纳米孔的离子电流的变化与待检测的孔上的生物分子结合。 实施例包括形成在硅衬底上并具有用聚焦离子束系统钻孔的纳米孔的氮化硅膜,随后在膜上进行金溅射。 器件由一个或多个在纳米孔的两侧具有电极的纳米孔和腔室形成。
    • 10. 发明授权
    • Method of making an array of nucleic acid colonies
    • 制作核酸集落阵列的方法
    • US08476022B2
    • 2013-07-02
    • US13545682
    • 2012-07-10
    • Mostafa RonaghiHelmy A. Eltoukhy
    • Mostafa RonaghiHelmy A. Eltoukhy
    • C12Q1/68C12P19/34
    • C12Q1/6874C12Q1/6837C12Q1/6869C12Q2535/122C12Q2565/543
    • A method of making an array of nucleic acid colonies, by (a) providing a substrate having a patterned surface of features, wherein the features are spatially separated from each other on the surface of the substrate; (b) contacting the substrate with a solution of different target nucleic acids to seed a subset of the features that contact the solution, wherein each feature in the subset is seeded with a single nucleic acid from the solution, wherein a plurality of the features that contact the solution are not seeded with a nucleic acid from the solution; (c) amplifying the nucleic acids to form a nucleic acid colony at each of the features in the subset; and (d) repeating steps (b) and (c) to increase the number of the features on the surface that have a nucleic acid colony, thereby making an array of nucleic acid colonies.
    • 通过(a)提供具有特征图案化表面的基底,制备核酸集落阵列的方法,其中所述特征在所述基底的表面上彼此空间上分离; (b)使所述底物与不同靶核酸的溶液接触以接种与所述溶液接触的特征的子集,其中所述亚组中的每个特征从所述溶液中接种单个核酸,其中所述多个特征 接触溶液不会从溶液中接种核酸; (c)扩增核酸以在子集中的每个特征上形成核酸集落; 和(d)重复步骤(b)和(c)以增加具有核酸集落的表面上的特征的数目,由此形成核酸集落阵列。