منابع مشابه
Biological Variation of Myeloperoxidase
Hansen KE, et al. Assay variation confounds the diagnosis of hypovitaminosis D: a call for standardization. J Clin Endocrinol Metab 2004;89: 3152–7. 4. Souberbielle JC, Fayol V, Sault C, Lawson-Body E, Kahan A, Cormier C. Assay-specific decision limits for two new automated parathyroid hormone and 25-hydroxyvitamin D assays. Clin Chem 2005;51:395–400. 5. Singh RJ, Taylor RL, Reddy GS, Hollis BW...
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BACKGROUND Enzymatic activity measurements of the highly oxidative enzyme myeloperoxidase (MPO), which is implicated in many diseases, are widely used in the literature, but often suffer from nonspecificity and lack of uniformity. Thus, validation and standardization are needed to establish a robust method that is highly specific, sensitive, and reproducible for assaying MPO activity in biologi...
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There is considerable interest in the role that mammalian heme peroxidase enzymes, primarily myeloperoxidase, eosinophil peroxidase and lactoperoxidase, may play in a wide range of human pathologies. This has been sparked by rapid developments in our understanding of the basic biochemistry of these enzymes, a greater understanding of the basic chemistry and biochemistry of the oxidants formed b...
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The high precision of the results may enable single measurements instead of multiple determination, thereby reducing costs. The significantly lower values for ghrelin in citrate plasma may only partially (ϳ12%) be explained by dilution with the anticoagulating liquid in the tubes (118 Ϯ 15 L). The discrepancy between citrate plasma and serum was ϳ25%, a discrepancy that is too high for a recom...
متن کاملClassifying Measures of Biological Variation
Biological variation is commonly measured at two basic levels: variation within individual communities, and the distribution of variation over communities or within a metacommunity. We develop a classification for the measurement of biological variation on both levels: Within communities into the categories of dispersion and diversity, and within metacommunities into the categories of compositi...
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ژورنال
عنوان ژورنال: Clinical Chemistry
سال: 2008
ISSN: 0009-9147,1530-8561
DOI: 10.1373/clinchem.2007.093591