2017
Polymerization of hexamethylene diisocyanate in solution and a 260.23 m/z [M+H]+ ion in exposed human cells
Wisnewski AV, Liu J, Redlich CA, Nassar AF. Polymerization of hexamethylene diisocyanate in solution and a 260.23 m/z [M+H]+ ion in exposed human cells. Analytical Biochemistry 2017, 543: 21-29. PMID: 29175138, PMCID: PMC5826792, DOI: 10.1016/j.ab.2017.11.017.Peer-Reviewed Original ResearchMeSH KeywordsCells, CulturedChromatography, LiquidHumansIonsIsocyanatesMass SpectrometryMolecular StructurePolymerizationSolutionsConceptsHexamethylene diisocyanateCollision-induced dissociation (CID) fragmentation patternsNucleophilic additionImportant industrial chemicalPrimary aminesFragmentation patternsO groupLC-MS/MSLC-MS/MS analysisLC-MSReaction productsIonsMS analysisFormula CIndustrial chemicalsDiisocyanatePolymerizationPolymersReaction targetWaterSolutionAminesDefinitive characterizationMoleculesDimersReaction products of hexamethylene diisocyanate vapors with “self” molecules in the airways of rabbits exposed via tracheostomy
Wisnewski AV, Kanyo J, Asher J, Goodrich JA, Barnett G, Patrylak L, Liu J, Redlich CA, Nassar AF. Reaction products of hexamethylene diisocyanate vapors with “self” molecules in the airways of rabbits exposed via tracheostomy. Xenobiotica 2017, 48: 488-497. PMID: 28489470, PMCID: PMC5863241, DOI: 10.1080/00498254.2017.1329569.Peer-Reviewed Original ResearchConceptsCollision-induced dissociation (CID) fragmentation patternsReaction productsLower airwaysChemical reactivityLow molecular weight fractionWeight fractionHigh molecular weight fractionAliphatic diisocyanateMolecular weight fractionFragmentation patternsHexamethylenediisocyanateLC-MSHDI vaporAirways of rabbitsBronchoalveolar lavage fluidRabbit bronchoalveolar lavage fluidMoleculesDiisocyanate vaporsMs. 4Albumin. 5Occupational asthmaReactivityBAL fluidAsthma pathogenesisLavage fluid
2016
UPLC–MS for metabolomics: a giant step forward in support of pharmaceutical research
Nassar AF, Wu T, Nassar SF, Wisnewski AV. UPLC–MS for metabolomics: a giant step forward in support of pharmaceutical research. Drug Discovery Today 2016, 22: 463-470. PMID: 27919805, PMCID: PMC5721520, DOI: 10.1016/j.drudis.2016.11.020.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChromatography, LiquidDrug DiscoveryHumansMass SpectrometryMetabolomicsPharmaceutical ResearchProgress in automation of mass cytometry barcoding for drug development
Nassar AF, Wisnewski AV, Raddassi K. Progress in automation of mass cytometry barcoding for drug development. Bioanalysis 2016, 8: 1429-1435. PMID: 27323800, DOI: 10.4155/bio-2016-0135.Peer-Reviewed Original ResearchMass cytometry moving forward in support of clinical research: advantages and considerations
Nassar AF, Wisnewski AV, Raddassi K. Mass cytometry moving forward in support of clinical research: advantages and considerations. Bioanalysis 2016, 8: 255-257. PMID: 26847541, DOI: 10.4155/bio.15.257.Peer-Reviewed Original ResearchRapid label‐free profiling of oral cancer biomarker proteins using nano‐UPLC‐Q‐TOF ion mobility mass spectrometry
Nassar AF, Williams BJ, Yaworksy DC, Patel V, Rusling JF. Rapid label‐free profiling of oral cancer biomarker proteins using nano‐UPLC‐Q‐TOF ion mobility mass spectrometry. Proteomics Clinical Applications 2016, 10: 280-289. PMID: 26684082, DOI: 10.1002/prca.201500025.Peer-Reviewed Original ResearchConceptsIon mobility mass spectrometryCancer biomarker proteinsMass spectrometryNano-UPLCMobility mass spectrometryInterleukin-8Biomarker proteinsClinical cancer diagnosticsIon mobilityComplex samplesLabel-free profilingVascular endothelial growth factorOral cancer cellsOral cancer samplesCancer cell mediumEndothelial growth factorLabel proteinsIsotope labelingStable isotope labelingRelative quantitationSpectrometryClinical relevanceCancer cell culturesProteolytic digestionCancer development