Fast determination of troponin I using the stratus II analyser; application to patient follow-up after coronary bypass surgeryChapelle, Jean-Paul ; ; Faymonville, Marie-Elisabeth et alPoster (1995, November) Detailed reference viewed: 11 (0 ULg) Evolution of serum cardiac troponin-I and CK-MB during and after coronary bypass surgeryChapelle, Jean-Paul ; ; Faymonville, Marie-Elisabeth et alPoster (1995, May) Detailed reference viewed: 11 (0 ULg) Fast Determination of Myoglobin in Serum Using a New Radial Partition ImmunoassayChapelle, Jean-Paul ; ; et alin Clinical Biochemistry (1994), 27(5), 423-8 Detailed reference viewed: 7 (2 ULg) Fast determination of myoglobin in serum using a new radial partition immunoassayChapelle, Jean-Paul ; ; et alin Clinical Biochemistry (1994), 27(5), 423-8 Detailed reference viewed: 10 (1 ULg) Comparison of the Diagnostic performances of early myoglobin and CK-MB measurements in patients suspected of myocardial infarctionChapelle, Jean-Paul ; El Allaf, Dia ; Conference (1992, September) Detailed reference viewed: 3 (0 ULg) Comparison of the diagnostic performances of early myoglobin and CK-MB measurements in patients suspected of myocardial infarctionChapelle, Jean-Paul ; El Allaf, Dia ; in Annales de Biologie Clinique (1992), 50 Detailed reference viewed: 8 (0 ULg) Comparison of the performances of myoglobin and CK-MB for the early diagnosis of myocardial infarctionChapelle, Jean-Paul ; El Allaf, Dia ; Poster (1991, September) Detailed reference viewed: 1 (0 ULg) Serum levels of myosin heavy chains and other tissue markers compared in patients with myocardial infarction and angina pectorisChapelle, Jean-Paul ; El Allaf, Dia ; Poster (1991) Detailed reference viewed: 3 (0 ULg) Quantitative turbidimetric assay for determining myoglobin evaluated.; Chapelle, Jean-Paul ; et alin Annals of Clinical Biochemistry (1991), 28 ( Pt 5) A recently introduced turbidimetric immunoassay using shell/core particles for determination of myoglobin (Turbiquant Myoglobin, Behringwerke, Marburg, Germany) was evaluated on the Behring Turbitimer ... [more ▼] A recently introduced turbidimetric immunoassay using shell/core particles for determination of myoglobin (Turbiquant Myoglobin, Behringwerke, Marburg, Germany) was evaluated on the Behring Turbitimer analyzer. Intra-assay CV varied between 1.0% and 3.2%; interassay CV was between 2.0% and 3.6%. Linear results were obtained between 2.8 nmol/L and 36.7 nmol/L. Manual dilution in saline solution allowed measurement of myoglobin concentrations up to 25,400 nmol/L. In the tested range, no high-dose 'hook' effect was observed. Haemolysis interfered with the assay when haemoglobin concentrations exceeded 2 g/L. The occurrence of error codes due to the presence of triglycerides was shown to depend on particle size. Repeat assays on diluted samples were necessary at triglyceride concentrations of 2.3 mmol/L for post-prandial chylomicrons (200-1000 nm), and at 11-31 mmol/L for very-low density lipoprotein-triglycerides (80-200 nm). No significant interferences of haptoglobin, bilirubin, iodine containing contrast media, and rheumatoid factors were detected for the assay. Treatment of lipaemic samples with Lipoclean (Behringwerke) resulted in lower myoglobin values. Simultaneously drawn serum and heparin-plasma samples gave comparable myoglobin results. However, values obtained in EDTA- or citrate-treated plasma samples occasionally differed significantly from serum values. The upper reference limit for myoglobin concentration was 4.2 nmol/L. The turbidimetric assay correlated well with a radioimmunoassay (Byk-Sangtec; r = 0.892) and with the automated nephelometric assay (Behringwerke; r = 0.944). Values obtained by turbidimetry were comparable to those obtained by the latex agglutination test (Behringwerke). [less ▲] Detailed reference viewed: 36 (0 ULg) Serum levels of myosin heavy chains and other tissue markers compared in patients with myocardial infarction and angina pectorisChapelle, Jean-Paul ; El Allaf, Dia ; in Clinical Chemistry (1991), 37 Detailed reference viewed: 7 (0 ULg) Analytical and clinical performances of a new automated immunoassay for measuring CK-MB in serumChapelle, Jean-Paul ; Conference (1990, October) Detailed reference viewed: 2 (0 ULg) Usefulness of CRP determination after acute myocardial infarctionChapelle, Jean-Paul ; ; Pierard, Luc et alPoster (1990, July) Detailed reference viewed: 3 (1 ULg) Determination of myoglobin in serum by kinetic turbidimetry, using the turbitimesystemChapelle, Jean-Paul ; in Clinical Chemistry (1990), 36(6), 1193 Detailed reference viewed: 1 (0 ULg) Serum APO A-1 and APO-B levels negatively correlate to enzymatic infarct size after myocardial infarctionChapelle, Jean-Paul ; ; Pierard, Luc et alPoster (1990, May) Detailed reference viewed: 2 (1 ULg) Radial partition immunoassay applied to automated quantification of CK-MB in serumChapelle, Jean-Paul ; Conference (1990, April) Detailed reference viewed: 7 (0 ULg) Automated quantification of creatinine kinase MB isoenzyme in serum by radial partition immunoassay, with use of the Stratus analyzerChapelle, Jean-Paul ; in Clinical Chemistry (1990), 36(1), 99-101 We evaluated the analytical and clinical performances of a new radial partition immunoassay for measuring the mass concentration of creatine kinase (CK)-MB in serum. All pipetting, washes, incubations and ... [more ▼] We evaluated the analytical and clinical performances of a new radial partition immunoassay for measuring the mass concentration of creatine kinase (CK)-MB in serum. All pipetting, washes, incubations and data reduction were performed in 8 min by the Stratus (Dade) fluorometric analyzer. Within-assay and between-assay CVs were respectively 5.5% and 8.4% at 21 micrograms/L, and 4.2% and 3.4% at 48 micrograms/L. Assaying serial dilutions of serum samples with high CK-MB concentrations demonstrated excellent linearity. Results of the Stratus technique correlated well (n = 115, r = 0.98) with those of the Tandem-E CKMB II assay. There was no interference from hemolysis, bilirubin, rheumatoid factor, or added CK-MM (up to 3500 U/L); consequently, CK-MB can be determined in undiluted serum, even in the presence of high total CK activity. The mean CK-MB concentration in 105 blood donors was 1.9 (SD 1.3) micrograms/L. For seven myocardial infarction patients who received prompt fibrinolytic therapy, the mean CK-MB concentration was 4.5 (SD 1.8) micrograms/L at admission, and maximum concentrations, 119 (SD 94) micrograms/L, were recorded 16 h later. CK-MB returned to concentrations less than 10 micrograms/L within 72 h. [less ▲] Detailed reference viewed: 10 (3 ULg) Usefulness of CRP determination after acute myocardial infarctionChapelle, Jean-Paul ; ; Pierard, Luc et alin Clinical Chemistry (1990), 36 Detailed reference viewed: 3 (0 ULg) Correlation between c-reactive protein (CRP) levels and the importance of enzyme release after myocardial infarctionChapelle, Jean-Paul ; ; Pierard, Luc et alPoster (1989, September) Detailed reference viewed: 1 (0 ULg) Significance of serum creatine kinase isoforms for assessing myocardial infarction; Chapelle, Jean-Paul ; El Allaf, Dia et alPoster (1989, September) Detailed reference viewed: 4 (1 ULg) Automated quantification of creatine kinase-MB in serum by radial partition immunoassayChapelle, Jean-Paul ; Conference (1989, August) Detailed reference viewed: 2 (0 ULg) |
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