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    • 7. 发明申请
    • ATOMIC FORCE MICROSCOPE AS AN ANALYZING TOOL FOR BIOCHIP
    • 原子力显微镜作为生物技术分析工具
    • WO2009109809A3
    • 2009-11-05
    • PCT/IB2008003959
    • 2008-06-16
    • POSTECH ACAD IND FOUNDPOSCOPARK JOON WONHONG BONG JINKWON SUNG HONG
    • PARK JOON WONHONG BONG JINKWON SUNG HONG
    • C12Q1/68G01N33/48
    • G01N33/6845G01Q60/42
    • The present application discloses a method for detecting a presence of target ligand in a fluid medium which includes the steps of: (i) contacting the fluid medium with a solid substrate that includes an array of dendrons on its surface, wherein each of the dendron includes a central atom, a probe that is attached to the central atom optionally through a linker, and a base portion attached to the central atom and having a plurality of termini that are attached to the surface of the solid support; and (ii) determining the presence of a probe-target ligand complex by measuring binding force between the bound ligand and detection molecule tethered to the tip of an atomic force microscope ('AFM'), which detection molecule has affinity for the ligand, wherein measurement of an increase in force between the probe-target ligand complex and the detection molecule by AFM indicates the presence of the probe-target ligand complex.
    • 本申请公开了一种用于检测流体介质中目标配体存在的方法,其包括以下步骤:(i)使流体介质与其表面上包含一系列树突的固体基质接触,其中每个树枝包括 中心原子,任选地通过连接体连接到中心原子上的探针和连接到中心原子上并具有连接到固体载体的表面上的多个末端的基部; 和(ii)通过测量结合的配体和拴在原子力显微镜(“AFM”)的末端的检测分子之间的结合力来确定探针 - 靶配体复合物的存在,该检测分子对配体具有亲和性,其中 通过AFM测量探针 - 靶配体复合物和检测分子之间的力的增加表明探针 - 靶配体复合物的存在。
    • 10. 发明申请
    • BIOMARKER SENSORS AND METHOD FOR MULTI-COLOR IMAGING AND PROCESSING OF SINGLE-MOLECULE LIFE SIGNATURES
    • 生物标记传感器和多色成像和单分子生命信号处理方法
    • WO2007046819A2
    • 2007-04-26
    • PCT/US2005/041954
    • 2005-11-15
    • CALIFORNIA INSTITUE OF TECHNOLOGYWADE, Lawarence, A.COLLIER, Charles, Patrick
    • WADE, Lawarence, A.COLLIER, Charles, Patrick
    • C12Q1/68C12M1/34C12M3/00
    • G01Q60/42G01Q80/00
    • A device comprising an array of active regions for use in reacting one or more species in at least two of the active regions in a sequential process, e.g., sequential reactions. The device has a transparent substrate member, which has a surface region. The device has a silane material overlying the surface region. The device has a first active region formed overlying a first portion of the silane material. In a specific embodiment, the first active region has a first dimension of less than 1 micron in size and has one or more first molecules capable of binding to the first portion of the silane material. In a specific embodiment, the device has a second active region formed overlying a second portion of the silane material. The second active region has a second dimension of less than 1 micron in size and has one or more second molecules capable of binding to the second portion of the active region. In a specific embodiment, the device has a spatial distance separating the first active region and the second active region. In a preferred embodiment, the spatial distance is characterized by a dimension of 1 micron and less. The device has a fluid material in contact with the first active region, the second active region, and the spatial distance according to a specific embodiment. The device also has a reactant species within the fluid material. The reactant species is capable of spatially moving from the first active region to the second active region over the spatial distance of 1 micron and less within a time of less than 10 microseconds.
    • 一种包含活性区域阵列的装置,其用于在顺序过程(例如顺序反应)中使至少两个活性区域中的一种或多种物质反应。 该装置具有透明基板部件,该基板部件具有表面区域。 该装置具有覆盖表面区域的硅烷材料。 该装置具有覆盖硅烷材料的第一部分的第一有源区。 在具体实施方案中,第一有源区具有尺寸小于1微米的第一尺寸,并具有一个或多个能够结合硅烷材料的第一部分的第一分子。 在具体实施方案中,该装置具有覆盖硅烷材料的第二部分的第二有源区。 第二有源区具有尺寸小于1微米的第二维度,并且具有一个或多个能够结合活性区的第二部分的第二分子。 在具体实施例中,该装置具有分隔第一有源区和第二有源区的空间距离。 在优选实施例中,空间距离的特征在于1微米和更小的尺寸。 根据具体实施例,该装置具有与第一有源区域,第二有源区域和空间距离接触的流体材料。 该装置还在流体材料内具有反应物种类。 反应物种能够在小于10微秒的时间内在空间距离为1微米以下的空间距离上从第一有源区域移动到第二有源区域。