| 摘要 |
<p>A biochemical analysis device using a microchip in which the base line of the analysis device can be stabilized. The biochemical analysis device has a centrifugal rotor which has a chip holding part for holding a microchip and which is subjected to rotary driving; a light source part; and a light detector, in which the microchip is a microchip in which the centrifugal force act by rotation of the centrifugal rotor and in which pretreatments are performed in which the measurement cell of the microchip is irradiated with light from a light source, the light which has passed through the measurement cell being received in the light detector, and measuring of the light intensity in which the quantity of light absorption by the test liquid is measured within the measurement cell and the test liquid is analyzed, while rotation of the centrifugal rotor is stopped.
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