| 摘要 |
PURPOSE: A biosensor is provided to measure a BOD(Biochemical Oxygen Demand) of a wide rage of concentration in a short period time. CONSTITUTION: The changed amount of dissolved oxygen is measured by using a biosensor using pseudomonas putida having a high dissolving ability. Thereby, the preprocessing of a sample is unnecessary, obstacle materials do not influence and the BOD is measured in a short period time regardless of the concentration of the sample.
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