Determination of phosphate ions with an enzyme sensor system
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1Department of Food Science and Technology, Tokyo University of Fisheries, Japan.
Biosensors
|January 1, 1987
Abstract:
An enzyme sensor system for the determination of phosphate ions was constructed using immobilized enzymes and an oxygen electrode. The principle of this method is based upon the nucleoside phosphorylase catalyzed reaction for which the presence of inorganic phosphorus is indispensable. One assay could be completed within 3 min. This enzyme sensor was able to withstand at least 70 assays. This system was applicable to simple, rapid and continuous determination of phosphate ions in food.