Method for measuring hematocrit value of blood sample, method for measuring concentration of analyte in blood sample, sensor chip and sensor unit

A method of determining an amount of a component in blood using a biosensor,

• the biosensor comprising:
• a first electrode,
• a second electrode,
• an oxidant of a redox substance, and
• a reductant of a redox substance,
• wherein the reductant of a redox substance is disposed only on the first electrode, and
• the oxidant of a redox substance is disposed only on the second electrode;
• the method comprising:
• applying a first voltage to the first electrode and the second electrode such that the first electrode acts as a working electrode and the second electrode acts as a counter electrode;
• detecting a first current value generated by the application of the first voltage;
• applying a second voltage to the second electrode such that the second electrode acts as a working electrode;
• detecting a second current value generated by the application of the second voltage;
• and
• calculating an amount of the component using the first current value and the second current value.