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    • 1. 发明授权
    • Sensors for sugars and other metal binding analytes
    • 糖和其他金属结合分析物的传感器
    • US6063637A
    • 2000-05-16
    • US875047
    • 1997-07-07
    • Frances H. ArnoldZhibin GuanChao-Tsen ChenGuohua Chen
    • Frances H. ArnoldZhibin GuanChao-Tsen ChenGuohua Chen
    • A61B5/00G01N21/00G01N21/64G01N33/00G01N33/14G01N33/487
    • A61B5/14539G01N27/4145A61B5/14532G01N21/64G01N33/143Y10T436/142222Y10T436/143333Y10T436/144444Y10T436/20Y10T436/200833Y10T436/203332
    • Sensors (20, 50, 70) for use in detecting the presence of sugars and other analytes (target molecules). The sensor is composed of a metal complex that binds to the target molecule and releases a proton or includes an exchangable ligand which is exchanged for the target molecule during the binding interaction between the metal complex and the target molecule. The result of the binding interaction is the release of a proton, hydroxide ion or ligand species generated during the ligand exchange. Measurement of the release of proton, hydroxide ion or other ligand species from the sensor (20, 50, 70) provides an indirect indication of target molecule concentration. The metal complexes may be attached to support structures (10, 12) to provide both anchoring and positioning of the metal ions to increase selectivity of sugar/metal complex interactions. Detection systems in which pH is used as an indication of proton or hydroxide release are disclosed, as are detection systems in which Cl.sup.- release is used. Methods for monitoring the concentrations of sugars and related molecules using the metal based sensors (20, 50, 70) are also disclosed.
    • PCT No.PCT / US97 / 03654 Sec。 371日期1997年7月7日 102(e)日期1997年7月7日PCT 1997年3月3日PCT公布。 公开号WO97 / 33177 1997年9月12日发布的传感器(20,50,70)用于检测糖和其他分析物(靶分子)的存在。 该传感器由结合目标分子并释放质子的金属络合物组成,或者包括在金属络合物和靶分子之间的结合相互作用期间与靶分子交换的可交换配体。 结合相互作用的结果是在配体交换期间产生的质子,氢氧根离子或配体物质的释放。 从传感器(20,50,70)释放质子,氢氧根离子或其他配体物质的测量提供了目标分子浓度的间接指示。 金属络合物可以连接到支撑结构(10,12),以提供金属离子的锚定和定位,以增加糖/金属络合物相互作用的选择性。 公开了使用pH作为质子或氢氧化物释放指示的检测系统,其中使用Cl-释放的检测系统也是如此。 还公开了使用金属基传感器(20,50,70)监测糖和相关分子的浓度的方法。