Ifcc ggt reference method
WebWe collected 25 single fresh frozen serum samples for GGT analysis. Candidate reference materials (RMs), calibrators, internal quality controls (IQC ... were randomly added to these serum samples. A total of 42 samples were examined using IFCC reference method and four different IVD medical devices to perform the comparability and commutability ...
Ifcc ggt reference method
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WebGGT reagent. Serum and plasma samples were assayed in parallel and the results compared by least squares regression. The following statistics were obtained: Number of samples 147 Range of sample results 2 to 831 U/L (0.033 - 13.9 µkat/L) Mean of reference method results 79 U/L (1.32 µkat/L) Mean of GGT results 81 U/L (1.35 µkat/L) Slope 0.99 Webmedical decision-making.9 Reference methods are rarely used as a basis for comparison in these studies. The purpose of this study was to compare the reference method for GGT recommended by the IFCC with the four conventional measurement systems to evaluate the accuracy and reliability of the measurement results according to EP09-A3.
Web1. Persijn JP, van der Silk W. A new method for the determination of gamma-glutamyltransferase in serum. J Clin Chem Clin Biochem 1976; 14: 421-7. 2. Schumann G, Bonora R, Ceriotti F, Férard G et al. IFCC activity concentrations of enzymes at 37 °C. Part 5: Reference procedure for the measurement of catalytic Web1 nov. 2010 · Methods: AST, ALT and GGT were measured with commercial analytical systems standardized to the IFCC-recommended reference measurement systems. Three centers (two in Italy and one in China) measured their own freshly collected samples; one of these centers also measured frozen samples from the Nordic Countries RI Project and …
WebDiabetes Control and Complications Trial Reference Method. Manufacturers are awarded Certificates of Traceability for successfully completing bias testing for specific methods, reagent lots, ... (IFCC)+2.15 Enzymatic Apr ‘23 MFA41, MFE42 CAC0K27 2.73, 6.94 umol/L HbA1c; 95.3 umol/L Hb - ReCCS ASRL#1 t CinQ HbA1c on JCA-ZS050 HbA1c% … Web1 sep. 2006 · Certification of four reference materials for the determination of enzymatic activity of γ-glutamyltransferase, lactate dehydrogenase, alanine aminotransferase and creatine kinase at 37°C. The procedure described here is deduced from the previously described 30°C IFCC reference method. Differences are tabulated and commented on.
Web19 dec. 2024 · The IFCC C-RIDL aims to encourage the use of indirect methods to establish and verify reference intervals, to promote publication of such intervals with …
WebBackground: This study was conducted to evaluate the progress in the standardization of the gamma-glutamyl transferase (GGT) to achieve metrological traceability of routine in vitro … brashear county missouriWebGGT activity is often the only laboratory indicator for these diseases, and it is one of the most sensitive indicators known. GGT is a sensitive indicator of occult alcoholism. … brashear city louisianaWebThe preliminary upper reference limits were determined for catalytic activity concentrations of the enzymes alanine aminotransferase (ALT), aspartate aminotransferase (AST), creatine kinase (CK), gamma-glutamyltransferase (gamma-GT) and lactate dehydrogenase (LDH) in … brashear development corporationWeb644 Schumann et al.: IFCC reference procedure for lactate dehydrogenase tamyltransferase, Lactate Dehydrogenase, Alanine Aminotransferase and Creatine … brashear electric facebookWebThe IFCC Reference System is based on the concept of metrological traceability (Figure). In the traceability chain, primary calibrators consisting of mixtures of pure HbA1c and HbA0 … brashear community bible churchWeb1 jul. 2002 · We present the results of a study on performance of a reference material for alanine aminotransferase (ALT, EC 2.6.1 .2) and the corresponding IFCC-approved method in an interlaboratory trial ... brashear electricWebBackground In 2011, the IFCC Committee on Reference Intervals and Decision Limits (C-RIDL) initiated a worldwide multicenter study on references values facilitating the implementation of country-specific reference intervals (RIs). There has been no well-designed RI study in India. This study aims to derive RIs for 33 major biochemical … brashear center