An attempt was made to use the measurement of impedance and carbohydrate utilization for the automated bacterial detection.
The previous report clarified the patterns of impedance change appearing in the process of glucose fermentation.
When peptone broth was used as the basal medium, no characteristic impedance change appeared by the addition of glucose alone to the basal medium. A unique impedance change, however, came to be detected by the addition of an appropriate quantity of mineral, for example, 2.5-5.0g/
l of Na
2 HPO
4.
In conclusion, the method mentioned above is available for the automated detection of bacteria for identification.
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