Serum Creatine Phosphokinase: Evaluation of a Commercial Spectrophotometric Method
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منابع مشابه
Serum creatine phosphokinase: evaluation of a commercial spectrophotometric method.
The clinical and laboratory applications of an assay method for serum creatine phosphokinase (CPK) utilizing a reagent capsule were investigated. Continuous recording of the change in absorbance at 340 mu, during the assay period gave a slightly sigmoid curve. The time interval between serum addition and the beginning of the linear portion of the absorbancecurve varied with the level of enzyme ...
متن کاملSerum Levels of Creatine Phosphokinase.
Increasing interest in serum enzyme levels in various conditions has led to recognition of the value of the estimation of creatine phosphokinase activity in muscular disorders. Interpretation of the results obtained has been hampered by the lack of adequate information about the ;normal range'. Data for the normal levels of creatine phosphokinase in cord blood, children, and adults are presented.
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Determination of serum creatine phos~hokinase (CPK; EC 2.7.3.2.) is important ill laboratory diagnosis of myocardial infarction (M') and skeletal muscle disorders (7). Two recent reports suggest that administration of corticosteroids decreases serum CPK activity (1.5). If patients with MI and myopathies are given. corticosteroids as some of them are the corticostEroids may ~revent the expected ...
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where ATP = adenosine triphosphate and ADP= adenosine diphosphate. The substances most commonly determined have been creatine or creatine phosphate; e.g. Banga (1943), Askonas (1951), Narayanaswami (1952), Ennor & Rosenberg (1954), Kuby, Noda & Lardy (1954) and Chappell & Perry (1954). These methods may not always be convenient for the determination of creatine phosphokinase activity in tissue ...
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During the last 7 years, there have been a number of investigations of the incidence of various types of neuromuscular dysfunction in patients with schizophrenic and affective illnesses and their first-degree relatives in comparison with appropriate controls, including nonpsychotic psychiatric patients. Before reviewing these studies, it may be of value to discuss why neuromuscular dysfunction ...
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ژورنال
عنوان ژورنال: Clinical Chemistry
سال: 1967
ISSN: 0009-9147,1530-8561
DOI: 10.1093/clinchem/13.11.994