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    • 2. 发明申请
    • POSITIVE RESPONSE BIOSENSORS AND OTHER SENSORS
    • 积极响应生物传感器和其他传感器
    • WO2002090577A2
    • 2002-11-14
    • PCT/US2002/013692
    • 2002-05-02
    • AGENTASE, LLC
    • LEJEUNE, Keith, E.ERBELDINGER, Markus
    • C12Q1/34
    • C12Q1/001G01N33/5438G01N33/94Y10S435/963
    • A sensor for detecting an analyte in an environment includes a first reaction system including a first enzyme and a substrate for the first enzyme. The analyte inhibits the reaction of the substrate catalyzed by the first enzyme. The sensor further includes at least a second reaction system that reacts to produce a first detectable state when the first enzyme is inhibited. In some embodiments, the reaction of the first reaction system can produce a second detectible state, different from the first detectible state. Another sensor for detecting an analyte in an environment includes a first reaction system including a first enzyme or a first substrate for the first enzyme. In this embodiment, the analyte is either a substrate for the first enzyme or the first enzyme if the first reaction system includes the first substrate. Figure (1) illustrates reaction schematics of one embodiment of a sensor of the present invention for detecting nerve agents.
    • 用于检测环境中的分析物的传感器包括包含第一酶和第一酶底物的第一反应体系。 分析物抑制由第一种酶催化的底物的反应。 所述传感器还包括至少第二反应体系,当第一酶被抑制时,所述第二反应系统反应以产生第一可检测状态。 在一些实施方案中,第一反应体系的反应可产生与第一可检测状态不同的第二可检测状态。 用于检测环境中的分析物的另一传感器包括包含第一酶或第一酶的第一底物的第一反应系统。 在该实施方案中,如果第一反应体系包括第一底物,则分析物是第一酶的底物或第一酶。 图(1)示出了用于检测神经毒素的本发明的传感器的一个实施例的反应示意图。
    • 3. 发明申请
    • BUFFER POLYMERS, CO-IMMOBILE BUFFER AND ENZYME POLYMERS AND METHODS OF SYNTHESIS THEREOF
    • 缓冲聚合物,混合缓冲剂和酶聚合物及其合成方法
    • WO2004014974A8
    • 2005-03-24
    • PCT/US0324537
    • 2003-08-06
    • AGENTASE LLC
    • LEJEUNE KEITH EALLINSON BRYAN
    • C08G18/10C08G18/64C12N11/08C08G18/00
    • C12N11/08C08G18/10C08G18/6446C08G18/64C08G18/302
    • A polyurethane polymer includes at least one buffer selected to adjust pH to a pH within a desired range. The buffer compound is immobilized within the polymer, and the polymer has a buffer capacity in excess of 3 micromoles of acid or base per gram polymer. A polymer includes at least one enzyme that is selected to catalyze a reaction of a substance. The enzyme is immobilized within the polymer. The polymer also includes at least one buffer selected to adjust the pH in the vicinity of the enzyme to a pH within a desired range. The buffer compound is also immobilized within the polymer. The polymer preferably has enzyme activity and a buffer capacity in excess of 3 micromoles acids or base per gram polymer. In one embodiment, each of the enzymes(s) and the buffer(s) are covalently bonded to the polymer.
    • 聚氨酯聚合物包括至少一种选择用于将pH调节至pH在所需范围内的缓冲液。 缓冲剂化合物固定在聚合物内,聚合物的缓冲能力超过3微摩尔酸或碱/克聚合物。 聚合物包括至少一种选择用于催化物质反应的酶。 酶固定在聚合物内。 聚合物还包括至少一种选择用于将酶附近的pH调节到所需范围内的pH的缓冲液。 缓冲剂化合物也固定在聚合物内。 聚合物优选具有超过3微摩尔酸或碱/克聚合物的酶活性和缓冲能力。 在一个实施方案中,每种酶和缓冲液共价键合到聚合物上。
    • 4. 发明申请
    • SENSORS FOR THE DETECTION OF AN ANALYTE
    • 用于检测分析仪的传感器
    • WO2003031563A1
    • 2003-04-17
    • PCT/US2002/032519
    • 2002-10-11
    • AGENTASE LLC
    • LEJEUNE, Keith, E.ERBELDINGER, Markus
    • C12M1/34
    • C12Q1/34C12Q1/001C12Q1/005C12Q1/46G01N33/94
    • A sensor (10) for the detection of an analyte includes a first reagent in one section (4) of the housing and at least a second reagent in another section (6) of the housing. The sensor also includes a reservoir (1) of a carrier fluid (that is, a liquid or a gas) within the housing. A release mechanism (3) of the sensor is in operable connection with the reservoir so that when the release mechanism is activated, the carrier fluid is released from the reservoir. The carrier fluid mobilizes the second reagent to contact the first reagent with the second reagent. The interaction of the first reagent and the second reagent is affected by the presence or absence of the analyte to cause a measurable change of state within the sensor.
    • 用于检测分析物的传感器(10)包括壳体的一个部分(4)中的第一试剂和壳体的另一部分(6)中的至少第二试剂。 传感器还包括壳体内的载体流体(即,液体或气体)的储存器(1)。 传感器的释放机构(3)与储存器可操作地连接,使得当释放机构被启动时,载体流体从贮存器释放。 载液流动地移动第二试剂以使第一试剂与第二试剂接触。 第一试剂和第二试剂的相互作用受分析物的存在或不存在而影响传感器内状态的可测量的改变。