2023
Rapid serum tubes reduce transport hemolysis and false positive rates for high-sensitivity troponin T
Malaeb H, Vera M, Sangal R, Venkatesh A, Possick S, Maciejak L, Oberle E, El-Khoury J. Rapid serum tubes reduce transport hemolysis and false positive rates for high-sensitivity troponin T. Clinica Chimica Acta 2023, 551: 117630. PMID: 37931733, DOI: 10.1016/j.cca.2023.117630.Peer-Reviewed Original ResearchRapid serum tubes reduce transport hemolysis and false positive rates for high-sensitivity troponin T.
Malaeb H, Vera M, Sangal R, Venkatesh A, Possick S, Maciejak L, Oberle E, El-Khoury J. Rapid serum tubes reduce transport hemolysis and false positive rates for high-sensitivity troponin T. Clinica Chimica Acta 2023, 551: 117630. PMID: 38420909, DOI: 10.1016/j.cca.2023.117630.Peer-Reviewed Original ResearchConceptsRapid Serum TubesPlasma separation tubesHigh-sensitivity troponin THs-cTnT valuesHs-cTnTSource of hemolysisEmergency departmentTroponin TSerum tubesFalse positive resultsMedian reductionEffect of hemolysisED patientsSample collectionEffects of tube typeHemolysisPatientsPositive resultsSeparator tubes
2014
Stability of serum and plasma osmolality in common clinical laboratory storage conditions
Abbadi A, El-Khoury JM, Wang S. Stability of serum and plasma osmolality in common clinical laboratory storage conditions. Clinical Biochemistry 2014, 47: 686-687. PMID: 24631174, DOI: 10.1016/j.clinbiochem.2014.02.024.Peer-Reviewed Original Research
2012
Highly sensitive and selective measurement of underivatized methylmalonic acid in serum and plasma by liquid chromatography-tandem mass spectrometry
Yuan C, Gabler J, El-Khoury JM, Spatholt R, Wang S. Highly sensitive and selective measurement of underivatized methylmalonic acid in serum and plasma by liquid chromatography-tandem mass spectrometry. Analytical And Bioanalytical Chemistry 2012, 404: 133-140. PMID: 22618327, DOI: 10.1007/s00216-012-6099-z.Peer-Reviewed Original ResearchConceptsLC-MS/MS methodSample preparationMS methodAnion exchange solid phase extractionChromatography-tandem mass spectrometry methodLiquid chromatography-tandem mass spectrometry methodNegative electrospray modeSuccinic acidOrganic acid columnStrong anion-exchange solid-phase extractionSolid-phase extractionStability of 1,25-dihydroxyvitamin D2 and 1,25-dihydroxyvitamin D3 in human serum
El-Khoury JM, Wang S. Stability of 1,25-dihydroxyvitamin D2 and 1,25-dihydroxyvitamin D3 in human serum. Clinical Biochemistry 2012, 45: 707-708. PMID: 22465273, DOI: 10.1016/j.clinbiochem.2012.03.016.Peer-Reviewed Original Research