Provided is a measuring method for a biological substance, a measuring chip, and a measuring device which exhibit improved electrical responsiveness and reliability. For example, the device or chip provided for measuring the amount of a biological substance in a liquid being measured comprises immobilized antibodies, a substance that is labeled with an ion-conductive compound and that is bonded to the antibodies, and an electrode containing a working electrode and a counter electrode, and the working electrode has a thin film on the surface thereof that contains a hydrocarbon group.
本发明提供了一种
生物物质的测量方法、一种测量芯片和一种测量装置,它们具有更好的电气响应性和可靠性。例如,所提供的用于测量被测液体中
生物物质含量的装置或芯片包括固定化
抗体、用离子导电化合物标记并与
抗体结合的物质,以及包含工作电极和对电极的电极,工作电极表面有一层含有烃基的薄膜。