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    • 34. 发明授权
    • Compositions, methods, and kits for assaying complement activation
    • 用于测定补体激活的组合物,方法和试剂盒
    • US08691939B2
    • 2014-04-08
    • US11811425
    • 2007-06-08
    • Liming YuAnup SoodMark Felipe Baptista
    • Liming YuAnup SoodMark Felipe Baptista
    • A61K38/00
    • C07K14/472C12Q1/37G01N2333/96441
    • The present invention provides a fluorogenic composition for assaying complement activation that comprises a substrate for C3 convertase that is linked to a first fluorophore and a second fluorophore, wherein the fluorescence of the first and second fluorophores are mutually substantially quenched when the two fluorophores are present at a distance less than the characteristic distance for the two fluorophores. In one embodiment, the fluorescence of the first fluorophore is substantially quenched by the second fluorophore, and the second fluorophore emits heat upon quenching. The present invention also provides a method for assaying complement activation, wherein the method includes the steps of incubating a biological sample with a polymer to provide a polymeric biological sample, followed by incubating the polymeric biological sample with the fluorogenic composition, and measuring the fluorescence. The method may optionally include the step of measuring the optical properties of the biological sample prior to the incubation steps. The present invention further provides a kit for assaying complement activation that comprises the fluorogenic composition disclosed herein.
    • 本发明提供了用于测定补体活化的荧光组合物,其包含与第一荧光团和第二荧光团连接的C3转化酶底物,其中当两个荧光团存在于第一荧光团和第二荧光团时,第一和第二荧光团的荧光相互基本上骤冷 距离小于两个荧光团的特征距离。 在一个实施方案中,第一荧光团的荧光基本上被第二荧光团猝灭,第二荧光团在淬火时发出热。 本发明还提供了用于测定补体活化的方法,其中该方法包括以下步骤:用聚合物孵育生物样品以提供聚合生物样品,随后将聚合物生物样品与荧光组合物一起温育,并测量荧光。 该方法可以可选地包括在孵育步骤之前测量生物样品的光学性质的步骤。 本发明还提供了用于测定补体活化的试剂盒,其包含本文公开的荧光组合物。
    • 35. 发明授权
    • Photoactivated chemical bleaching of dyes
    • 光敏化学漂白染料
    • US08568991B2
    • 2013-10-29
    • US13336409
    • 2011-12-23
    • Arunkumar NatarajanAnup SoodLakshmi Sireesha KaanumalleKwok Pong Chan
    • Arunkumar NatarajanAnup SoodLakshmi Sireesha KaanumalleKwok Pong Chan
    • G01N33/53G01N33/532G01N33/533G01N21/76
    • G01N33/582G01N21/64G01N21/6428
    • Methods comprising the use of photoactivated chemical bleaching for detecting multiple targets in a biological sample are provided. The methods include the steps of providing a biological sample containing multiple targets, binding at least one probe to one or more target present in the sample, and observing a signal from the probe. The method further includes the steps of contacting the sample comprising the bound probe with an electron transfer reagent and irradiating the sample, thereby initiating a photoreaction that substantially inactivates the probe by photoactivated chemical bleaching. The method further includes the steps of binding at least one probe to one or more target present in the sample, and observing a signal from the probe. The process of binding, observing and bleaching may be iteratively repeated.
    • 提供了包括使用光活化化学漂白来检测生物样品中的多个靶的方法。 所述方法包括以下步骤:提供含有多个靶标的生物样品,将至少一个探针结合到样品中存在的一个或多个靶,并观察来自探针的信号。 该方法还包括以下步骤:将包含结合的探针的样品与电子转移试剂接触并照射样品,从而引发光激活,其通过光活化的化学漂白使探针基本上灭活。 该方法还包括将至少一个探针结合到样品中存在的一个或多个靶,并观察来自探针的信号的步骤。 结合,观察和漂白的过程可以迭代地重复。
    • 37. 发明申请
    • SEQUENTIAL ANALYSIS OF BIOLOGICAL SAMPLES
    • 生物样品的序列分析
    • US20120252685A1
    • 2012-10-04
    • US11864098
    • 2007-09-28
    • Thomas Pirrie TreynorAnup SoodMichael J. GerdesZhengyu Pang
    • Thomas Pirrie TreynorAnup SoodMichael J. GerdesZhengyu Pang
    • C40B30/04C40B40/10C40B40/06G01N21/64
    • G01N33/581G01N33/6803
    • Methods for probing multiple targets in a biological sample are provided. The methods include the steps of providing a sample containing multiple targets, binding at least one probe having a binder coupled to an enzyme to one or more target present in the sample, and reacting the bound probe with an enzyme substrate coupled to a fluorescent signal generator. The methods include the steps of observing a signal from the fluorescent signal generator and applying to the sample a solution containing an oxidizing agent that substantially inactivates both the fluorescent signal generator and the enzyme. The methods further include the steps of binding at least one probe having a binder coupled to an enzyme to one or more target present in the sample of step, reacting the bound probe with an enzyme substrate coupled to a fluorescent signal generator; and observing a signal from the fluorescent signal generator. The methods disclosed herein also provide for multiple iterations of binding, observing, and oxidizing for deriving information about multiple targets in a single sample. An associated kit is also provided.
    • 提供了探测生物样品中多个靶标的方法。 所述方法包括以下步骤:提供含有多个靶标的样品,将至少一种具有与酶偶联的结合剂的探针结合至样品中存在的一种或多种靶标,以及使结合的探针与偶联于荧光信号发生器 。 所述方法包括以下步骤:观察来自荧光信号发生器的信号,并向样品施加含有基本上灭活荧光信号发生器和酶的氧化剂的溶液。 所述方法还包括以下步骤:将具有与酶偶联的粘合剂的至少一种探针与步骤样品中存在的一种或多种靶结合,使结合的探针与偶联于荧光信号发生器的酶底物反应; 并观察来自荧光信号发生器的信号。 本文公开的方法还提供结合,观察和氧化的多次迭代,用于导出关于单个样本中的多个目标的信息。 还提供了相关的套件。