Abstract: An electrochemical measurement system includes an electrochemical measurement plate configured to have first and second biological samples placed thereon and an electrochemical measurement device connected to the electrochemical measurement plate. The electrochemical measurement plate includes a first well configured to have the first biological sample placed therein, a first measurement electrode group including first measurement electrodes provided within the first well, a second well configured to have the second biological sample placed therein, and a second measurement electrode group including second measurement electrodes provided within the second well.

Abstract: An electrochemical measuring method uses an electrochemical measuring device in which a measuring liquid is filled into a well. The electrochemical measuring method includes: a step of applying a measuring voltage to a working electrode and measuring a value of a first current flowing in the working electrode; a step of applying a non-measuring voltage to the working electrode; a step of introducing the biological sample into a container; and a step of applying the measuring voltage to the working electrode and measuring a value of a second current flowing in the working electrode.

Abstract: A state of a biological sample is measured by the following method. An electrochemical measuring device including a working electrode and filled with a measuring liquid contacting the working electrode is prepared. A biological sample is put into the measuring liquid. A measuring potential is applied to the working electrode to measure a current value flowing through the working electrode. An oxidation potential is applied to the working electrode to oxidize a surface of the working electrode. This method allows an ambient state of the biological sample to be measured stably.

Abstract: An electrochemical measurement system includes an electrochemical measurement plate configured to have first and second biological samples placed thereon and an electrochemical measurement device connected to the electrochemical measurement plate. The electrochemical measurement plate includes a first well configured to have the first biological sample placed therein, a first measurement electrode group including first measurement electrodes provided within the first well, a second well configured to have the second biological sample placed therein, and a second measurement electrode group including second measurement electrodes provided within the second well.

Abstract: An electrochemical measuring method uses an electrochemical measuring device in which a measuring liquid is filled into a well. The electrochemical measuring method includes: a step of applying a measuring voltage to a working electrode and measuring a value of a first current flowing in the working electrode; a step of applying a non-measuring voltage to the working electrode; a step of introducing the biological sample into a container; and a step of applying the measuring voltage to the working electrode and measuring a value of a second current flowing in the working electrode.