Importance

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Abstract

A biochemical analysis apparatus comprises a sample accommodating region, a refrigerator for keeping cool a long test film containing a reagent which reacts with a liquid sample to give rise to a change in optical density, and a test film conveyor for sequentially pulling out the long test film from the refrigerator. A sample applicator takes up the liquid sample from the sample accommodating region and applies it to the long test film at the position to which the long test film has been pulled out of the refrigerator. An incubator maintains the sample-applied portion of the long test film at a predetermined temperature for a predetermined time. A detector irradiates light to the sample-applied portion of the long test film, and measures the optical density given rise to by the reaction during or after the passage of the predetermined time.

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First Claim