A method for the detection and the quantitative determination of the enzyme creatine phosphokinase (CPK), an agent present in abnormal concentrational levels in serum in many cases of mental disorders and neuromuscular disorders, and significant in the diagnosis of myocardial infarction. The method utilizes a dried time-stable sample of a pure or mixed component such as a blood-impregnated carrier substance, obviating the need for separatory procedures (i.e., separating the serum from the blood cells) and special handling (i.e. freezing, freeze drying, etc.) to preserve the sample. The mechanism of the laboratory determination is that adenosine diphosphate (ADP) reacts with creatine phosphate in the presence of creatine phosphokinase and magnesium ions to produce adenosine triphosphate (ATP) plus creatine. The ATP, in turn, reacts with the luciferin and luciferase of the firefly lantern system to produce light (bioluminescence), the intensity of which is proportional to the concentration of CPK initially present. There is provided a test reagent system for carrying out the method of the invention.

Method for the determination of creatine phosphokinase enzyme

A method for the detection and the quantitative determination of the enzyme creatine phosphokinase (CPK), an agent present in abnormal concentrational levels in serum in many cases of mental disorders and neuromuscular disorders, and significant in the diagnosis of myocardial infarction. The component such as a blood-impregnated carrier substance, obviating the need for separatory procedures (i.e., separating the serum from the blood cells) and special handling (i.e. freezing, freeze drying, etc.) to preserve the sample. The mechanism of the laboratory determination is that adenosine diphosphate (ADP) reacts with creatine phosphate in the presence of creatine phosphokinase and magnesium ions to produce adenosine triphosphate (ATP) plus creatine. The ATP, in turn, reacts with the luciferin and luciferase of the firefly lantern system to produce light (bioluminescence), the intensity of which is proportional to the concentration of CPK initially present. There is provided a test reagent system for carrying out the method of the invention.

adenosine triphosphate/احتشاء

Method for the determination of creatine phosphokinase enzyme

Method for the determination of creative phosphokinase enzyme

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