2024
Direct analysis in real time mass spectrometry (DART-MS/MS) for rapid urine opioid detection in a clinical setting
Choucair I, Shang E, Tran M, Cassella-McLane G, El-Khoury J. Direct analysis in real time mass spectrometry (DART-MS/MS) for rapid urine opioid detection in a clinical setting. Clinica Chimica Acta 2024, 564: 119939. PMID: 39197698, DOI: 10.1016/j.cca.2024.119939.Peer-Reviewed Original ResearchDART-MS/MSMass spectrometryReal time mass spectrometryTime mass spectrometrySample preparationLC-MS/MSEfficient sample preparationTandem mass spectrometryDirect analysisLiquid chromatography-tandem mass spectrometryChromatography-tandem mass spectrometryAnalytical measurement rangeVortex timeSpectrometryOpioid drugsTurnaround timeUrine samplesOpioidClinical settingDrug testingUrineDefinitive testsNorfentanylDrugPreparation
2019
Comparison of Urine and Plasma Biomarker Concentrations Measured by Aptamer-Based versus Immunoassay Methods in Cardiac Surgery Patients
Kukova LZ, Mansour SG, Coca SG, de Fontnouvelle CA, Thiessen-Philbrook HR, Shlipak MG, El-Khoury JM, Parikh CR. Comparison of Urine and Plasma Biomarker Concentrations Measured by Aptamer-Based versus Immunoassay Methods in Cardiac Surgery Patients. The Journal Of Applied Laboratory Medicine 2019, 4: 331-342. PMID: 31659071, DOI: 10.1373/jalm.2018.028621.Peer-Reviewed Original ResearchConceptsCardiac surgery patientsSurgery patientsCardiac surgeryBiomarker concentrationsAcute kidney injuryComparison of urinePlasma biomarker concentrationsImmunoassay methodPostoperative biomarkersPostoperative plasmaPreoperative biomarkersKidney injuryInjury cohortBiomarker discoveryBiomarker endpointsClinical settingCurrent immunoassay methodsBiomarker valuesUrine samplesTranslational researchUrineSpearman correlationPaired samplesPatientsSurgery