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    • 9. 发明申请
    • Polymer-coupled peptidases
    • 聚合物偶联肽酶
    • US20110201025A1
    • 2011-08-18
    • US13026474
    • 2011-02-14
    • Hans-Jurgen KoldeUte LangeElke Bucha
    • Hans-Jurgen KoldeUte LangeElke Bucha
    • G01N33/53C12Q1/37C12Q1/56C12N9/99
    • G01N33/86C12N9/6429C12N9/647C12Y304/21005
    • The present invention is directed to a simple process for the modification of the specificity of a peptidase of the hemostatic system by coupling polymers to the peptidase causing it to lose its reactivity in the hemostatic system, but enabling it to continue to react with certain inhibitors, effectors and substrates. The invention is furthermore directed to processes for the detection or quantitative determination of inhibitors of the peptidase in bodily fluids or other samples as well as to processes for their neutralization and/or removal from liquids. Finally, the invention allows the use of a polymer-coupled peptidase as drug and furthermore provides a device which makes use of such a peptidase in the removal of peptidase inhibitors from samples or from the bloodstream of a patient.
    • 本发明涉及通过将聚合物偶联至肽酶来改变止血系统肽酶的特异性的简单方法,导致其在止血系统中失去其反应性,但使其能够与某些抑制剂继续反应, 效应器和基板。 本发明还涉及用于检测或定量测定体液或其它样品中肽酶抑制剂的方法,以及其中和和/或从液体中除去的方法。 最后,本发明允许使用聚合物偶联的肽酶作为药物,并且还提供一种使用这种肽酶从样品或来自患者的血液中除去肽酶抑制剂的装置。
    • 10. 发明授权
    • Method for determining the concentration of thrombin inhibitors
    • 确定凝血酶抑制剂浓度的方法
    • US07803570B2
    • 2010-09-28
    • US11636438
    • 2006-12-11
    • Gotz NowakElke Bucha
    • Gotz NowakElke Bucha
    • C12Q1/56
    • C12Q1/56
    • The invention relates to a method for determining the concentration of thrombin inhibitors in a non-turbid body liquid or a non-turbid extract from a body liquid. It comprises the following steps. The body liquid is taken from a living body, and the body liquid is subjected to a separation from the turbid matter, if necessary. To the non-turbid body liquid thus obtained are added a coagulation-inhibiting substance not interfering in the transformation prothrombin/active meizothrombin or Mtdesfg1, resp., a chromogenic or fluorogenic substrate not dissociable by active meizothrombin or Mtdesfg1, resp., and a substance dissociating prothrombin into meizothrombin or Mtdesfg1, resp., and as an option prothrombin. The thus obtained solution or mixture, resp., is subjected to a wavelength-selective light absorption or light emission measurement as a function of the time. From the reduction of the light absorption or light emission per time unit is determined the amount of the thrombin inhibitor included in the body liquid by comparison to previously determined standard curves.
    • 本发明涉及一种用于测定来自人体液体的非浑浊体液或非混浊提取物中凝血酶抑制剂的浓度的方法。 它包括以下步骤。 如果需要,从生物体取出体液,使体液与浑浊物分离。 对于这样得到的非混浊体液,添加不干扰转化凝血酶原/活性迷迭香素或Mtdesfg1的凝血抑制物质,分别是不能通过活性迷迭香素或Mtdesfg1分解的显色或荧光底物, 将凝血酶原分解成迷迭香素或Mtdesfg1,并作为选择性凝血酶原。 将如此获得的溶液或混合物作为时间的函数进行波长选择性光吸收或发光测量。 通过与预先确定的标准曲线相比,从每时间单位的光吸收或发光的减少确定包含在体液中的凝血酶抑制剂的量。