Control serum containing alkaline phosphatase of constant activi

Details Control serum containing alkaline phosphatase of constant activi Control serum containing alkaline phosphatase of constant activi

1976-08-16

1978-10-31

Padgett, Benjamin R.

Compositions

Nonreactive analytical, testing, or indicating compositions

23230B, 1951035R, 424 2, 424 3, C09K 300, G01N 3114, G01N 3316

Patent

active

041233840

ABSTRACT:
The activity of alkaline phosphatase in aqueous solution, especially in reconstituted serum, is kept constant by adding to the phosphatase-containing solution Mn.sup.2+ or Cd.sup.2+ ions, preferably to an end concentration of 0.05 to 0.5 mMol/liter of Mn.sup.2+ or 0.05 to 0.1 mMol/liter of Cd.sup.2+. Control serums comprising the Mn.sup.2+ and/or Cd.sup.2+ ions in human or animal serum or serum-like compositions are also provided.

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