2014
Recent advances in MS methods for nicotine and metabolite analysis in human matrices: clinical perspectives
El-Khoury JM, Wang S. Recent advances in MS methods for nicotine and metabolite analysis in human matrices: clinical perspectives. Bioanalysis 2014, 6: 2171-2183. PMID: 25331861, DOI: 10.4155/bio.14.176.Peer-Reviewed Original ResearchConceptsHuman matricesMajor global health issueSecond-hand exposureGlobal health issueTobacco smokingPreventable deathsTobacco consumptionAppropriate biomarkersHand exposureClinical MSNicotine metabolismClinical perspectiveTobacco productsHealth issuesNicotineMeasurement of nicotineMetabolitesStandard reference methodDetection of nicotineSmokingMetabolite analysisBiomarkersSuperior sensitivity
2010
Progress of liquid chromatography-mass spectrometry in measurement of vitamin D metabolites and analogues
El-Khoury JM, Reineks EZ, Wang S. Progress of liquid chromatography-mass spectrometry in measurement of vitamin D metabolites and analogues. Clinical Biochemistry 2010, 44: 66-76. PMID: 20493831, DOI: 10.1016/j.clinbiochem.2010.05.007.Peer-Reviewed Original ResearchConceptsLiquid chromatography-mass spectrometryChromatography-mass spectrometryVitamin D metabolitesD metabolitesLC-MS applicationsLC-MS methodVitamin D nutritional statusPharmaceutical applicationsBiological fluidsMechanism elucidationReference materialsD levelsSpectrometryClinical testingNutritional statusAnaloguesUnique advantagesNational Institute