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Items for "traceability"

Multicenter evaluation of the commutability of a potential reference material for harmonization of enzyme activities

Standardization of laboratory results allows for the use of common reference intervals and can be achieved via calibration of field methods with secondary reference materials...

Keywords: catalytic enzyme concentration, dry chemistry analyzers, harmonization, matrix effect, reference materials, traceability

12/2004 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

The importance of metrological traceability on the validity of creatinine measurement as an index of renal function: International Federation of Clinical Chemistry and Laboratory Medicine (IFCC)

The glomerular filtration rate (GFR) is currently considered the best overall index of kidney function...

Keywords: calibration, creatinine, glomerular filtration rate, kidney function tests, reference standards, traceability

10/2006 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Standardization of troponin I measurements: an update

Standardization of cardiac troponin I (cTnI) measurement is important because of the central role for diagnosis of myocardial infarction...

Keywords: calibration, commutability, reference material, traceability, troponin I

11/2008 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Automated immunoassay methods for ferritin: recovery studies to assess traceability to an international standard

Background: Ferritin standardisation is problematical due to the heterogeneity of ferritin isoforms and the antibodies used in its immunoassay, and the lack of a reference measurement procedure...

Keywords: commutability, comparability, serum ferritin, standardisation of immunoassays, traceability

10/2008 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Enzymatic assays for creatinine: time for action

Accurate serum creatinine measurements in glomerular filtration rate estimation (eGFR) using equations are critical to ongoing global public health efforts to improve the diagnosis and treatment of chronic kidney disease...

Keywords: calibration, glomerular filtration rate, isotope dilution-mass spectrometry, kidney function tests, reference standards, traceability

04/2008 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

Analytical performance evaluation of the Cobas 6000 analyzer – special emphasis on trueness verification

Background: Consolidation of analyzers is an emerging issue in clinical chemistry...

Keywords: accuracy, Cobas 6000, consolidation, correlation, IVD directive, precision, traceability

06/2008 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

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