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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Determination of inorganic phosphate by flow injection method with immobilized enzymes and chemiluminescence detection.

A flow injection method with chemiluminescence detection has been developed for the enzymatic determination of inorganic phosphate. Purine nucleoside phosphorylase, xanthine oxidase, and urate oxidase were immobilized on controlled-pore glass beads. Hydrogen peroxide released by the enzymatic reactions of phosphate and inosine in carrier buffer was detected by the luminol-microperoxidase system in a flow cell. The calibration graph was linear over the range of 5 to 250 pmol, and reproducibility was 1.75% at 10 pmol. The detection limit was 500 fmol of phosphate in 50 microliters of sample injected. The phosphate content in deoxyribonucleic acid was measured by this method.[1]

References

  1. Determination of inorganic phosphate by flow injection method with immobilized enzymes and chemiluminescence detection. Kawasaki, H., Sato, K., Ogawa, J., Hasegawa, Y., Yuki, H. Anal. Biochem. (1989) [Pubmed]
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