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    • 2. 发明公开
    • BIOSENSOR
    • 生物传感器。
    • EP0136362A1
    • 1985-04-10
    • EP84901016.0
    • 1984-03-06
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • KAWAGURI, MarikoNANKAI, ShiroIIJIMA, Takashi
    • G01N27/327
    • C12Q1/005C12Q1/004
    • A measuring electrode (27) and an adjacent electrode (28) are embedded in an insulating substrate (26). The exposed surface of the electrode system is coated with a porous substance (29) carrying an oxidation reductase (30) and, if needed, an electron acceptor (31) in a dry state, to form a biosensor. A predetermined voltage is applied between the electrodes (27, 28) of the biosensor, and a matrix-containing sample is dropped on the porous substance (29). A current proportional to the substrate concentration flows, so it is possible to quantitatively determine the matrix concentration of various biological samples highly accurately, rapidly and easily.
    • 测量电极(27)和相邻电极(28)嵌入在绝缘衬底(26)中。 电极系统的暴露表面涂覆有携带氧化还原酶(30)的多孔物质(29),如果需要,在干燥状态下涂覆电子受体(31),以形成生物传感器。 在生物传感器的电极(27,28)之间施加预定的电压,将含有基质的样品滴在多孔物质(29)上。 与基板浓度成比例的电流流动,因此可以高精度,快速和容易地定量地确定各种生物样品的基质浓度。
    • 10. 发明公开
    • BIOSENSOR AND PROCESS FOR ITS PRODUCTION
    • BIOSENSOR UND DESSEN HERSTELLUNG。
    • EP0359831A1
    • 1990-03-28
    • EP89904212.1
    • 1989-03-30
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • NANKAI, ShiroKAWAGURI, MarikoOHTANI, MayumiIIJIMA, Takashi
    • G01N27/28G01N27/30C12M1/40G01N27/327
    • G01N27/3272C12Q1/001C12Q1/004Y10S435/817Y10S436/806
    • A biosensor of the invention comprises an insulating base board (1) having formed thereon, in sequence, leads (2, 3, 3'), an electrode system mainly made of carbon (4, 5, 5'), an insulating layer (6) and a reaction layer (14) composed of an enzyme and an electron acceptor, and being provided thereon with a space (8) defined by a spacer (7) and a cover (9). When a biological sample solution is brought into contact with the inlet (10) of the biosensor having the above-described structure, the sample solution is introduced into its inside, while the air within the space (8) is rapidly discharged through the outlet (11) and, at the same time, the space (8) is filled with the sample solution up to the neighborhood of the outlet, Thus, measurement can be conducted inexpensively at a high speed with a high accuracy through simple procedures without residual bubbles.
    • 本发明的生物传感器包括依次形成引线(2,3,3')的绝缘基板(1),主要由碳(4,5,5'),绝缘层( 6)和由酶和电子受体构成的反应层(14),并且在其上设置有由间隔物(7)和盖(9)限定的空间(8)。 当生物样品溶液与具有上述结构的生物传感器的入口(10)接触时,将样品溶液引入其内部,同时空间(8)内的空气通过出口( 11),并且同时,空间(8)填充有样品溶液直到出口附近。 因此,通过没有残留气泡的简单程序,可以高精度地以高速度廉价地进行测量。