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    • 8. 发明申请
    • Amino-acid biosensor, fischer-ratio biosensor and health information management system
    • 氨基酸生物传感器,费 - 比生物传感器和健康信息管理系统
    • US20070031913A1
    • 2007-02-08
    • US11498982
    • 2006-08-04
    • Eiichiro Kimura
    • Eiichiro Kimura
    • C12Q1/37
    • C12Q1/32
    • Disclosed is a biosensor capable of measuring a total concentration of plural types of amino acids. An amino-acid biosensor (200) for measuring a total concentration of a plurality of specific amino acids, comprises a measuring electrode (202) which includes as components a mediator and an enzyme which selectively act on the plurality of specific amino acids each serving as a substrate, and a counter electrode (203). The enzyme has a substrate affinity to each of the plurality of specific amino acids. The enzyme is operable to catalyze a reaction in each of the plurality of specific amino acids as a substrate so as to form a reaction product, and the mediator is operable, during amino-acid concentration measurement, to carry electrons between the reaction product and the measuring electrode. The amino-acid biosensor is designed to apply a voltage between the measuring electrode and the counter electrode during the measurement in such a manner that, in an analytical curve representing a relationship between an applied voltage and a current value for each of the plurality of specific amino acids, the applied voltage includes a voltage allowing the variety of the current values for the amino acids at the same applied voltage to fall within a given range.
    • 公开了能够测定多种氨基酸的总浓度的生物传感器。 用于测量多种特定氨基酸的总浓度的氨基酸生物传感器(200)包括测量电极(202),其包含作为成分的介质和选择性地作用于多个特定氨基酸的酶,每个氨基酸用作 基板和对电极(203)。 该酶对多种特定氨基酸中的每一种具有底物亲和力。 该酶可操作地催化多种特定氨基酸中的每一种作为底物的反应以形成反应产物,并且在氨基酸浓度测量期间,介体可操作地在反应产物和 测量电极。 氨基酸生物传感器被设计成在测量期间在测量电极和对电极之间施加电压,使得在分析曲线中,表示施加的电压与多个特定的电极中的每一个的电流值之间的关系 氨基酸,所施加的电压包括允许在相同施加电压下的氨基酸的各种电流值落在给定范围内的电压。
    • 10. 发明授权
    • Amino-acid biosensor, fischer-ratio biosensor and health information management system
    • 氨基酸生物传感器,费 - 比生物传感器和健康信息管理系统
    • US08440068B2
    • 2013-05-14
    • US12585638
    • 2009-09-21
    • Eiichiro Kimura
    • Eiichiro Kimura
    • G01N27/26C12Q1/32
    • C12Q1/32
    • Disclosed is a biosensor capable of measuring a total concentration of plural types of amino acids. An amino-acid biosensor (200) for measuring a total concentration of a plurality of specific amino acids, comprises a measuring electrode (202) which includes as components a mediator and an enzyme which selectively act on the plurality of specific amino acids each serving as a substrate, and a counter electrode (203). The enzyme has a substrate affinity to each of the plurality of specific amino acids. The enzyme is operable to catalyze a reaction in each of the plurality of specific amino acids as a substrate so as to form a reaction product, and the mediator is operable, during amino-acid concentration measurement, to carry electrons between the reaction product and the measuring electrode. The amino-acid biosensor is designed to apply a voltage between the measuring electrode and the counter electrode during the measurement in such a manner that, in an analytical curve representing a relationship between an applied voltage and a current value for each of the plurality of specific amino acids, the applied voltage includes a voltage allowing the variety of the current values for the amino acids at the same applied voltage to fall within a given range.
    • 公开了能够测定多种氨基酸的总浓度的生物传感器。 用于测量多种特定氨基酸的总浓度的氨基酸生物传感器(200)包括测量电极(202),其包含作为成分的介质和选择性地作用于多个特定氨基酸的酶,每个氨基酸用作 基板和对电极(203)。 该酶对多种特定氨基酸中的每一种具有底物亲和力。 该酶可操作地催化多种特定氨基酸中的每一种作为底物的反应以形成反应产物,并且在氨基酸浓度测量期间,介体可操作地在反应产物和 测量电极。 氨基酸生物传感器被设计成在测量期间在测量电极和对电极之间施加电压,使得在分析曲线中,表示施加的电压与多个特定的电极中的每一个的电流值之间的关系 氨基酸,所施加的电压包括允许在相同施加电压下的氨基酸的各种电流值落在给定范围内的电压。