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Struvite and Prebiotic Phosphorylation
Struvite, MgNH4PO4�6H2O, rather than apatite or amorphous calcium phosphate is precipitated when phosphate is added to seawater containing more than 0.01M NH4+ ions. Struvite may have precipitatedExpand
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Creatine kinase isoenzyme MB in myocardial infarction: methods compared.
Several methods are available for specifically identifying and assessing the activity of MB isoenzyme of creatine kinase in serum. We compared two electrophoretic techniques with threeExpand
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The effect of Mg2+ and Ca2+ on urea-catalyzed phosphorylation reactions
SummaryWhen struvite (MgNH4PO4 ⋅ 6H2O) is heated with urea at 65–100°C, inorganic pyrophosphate is formed in good yield. Under similar conditions pyro-phosphate is formed much more slowly fromExpand
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Precipitation of phosphates in a primeval sea.
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Creatine kinase measurement in the 1977 CAP Enzymology Survey: anomalies explained.
In the recently published results of the 1977 College of American Pathologists Enzymology Survey, Some anomalous results were obtained in measuring the creatine kinase (EC 2.7.3.2) activity of theExpand
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Myokinase Activity of CAP Sera ( U / I ) Survey sampte vIal Myoklnase a Apparent
In the recently published results of the 1977 College of American Pathologists Enzymology Survey, some anomalous results were obtained in measuring the creatine kinase (EC 2.7.3.2) activity of theExpand