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Studies on intestinal adenosine triphosphatases. I. Application of a semiautomated method to the rat intestinal brush
Enzyme
|January 1, 1975
Abstract:
Elaboration of a semiautomated kinetic test on LKB 8600 apparatus for ATPase is described, using the PK-LDH system. As optimal ionic conditions 3 mmol-1 - minus 1 potassium chloride and 100 mmol-1 - minus 1 sodium chloride are proposed for measurement of (Na+-K+)-ATPase activities of rat intestinal brush borders. NH+4 can substitute for K+. The coefficients of variation of the method are 2.4% for Mg2+-ATPase and 4.9% for (Na+-K+)-ATPase determinations.