2019
Dilysine-Methylene Diphenyl Diisocyanate (MDI), a Urine Biomarker of MDI Exposure?
Wisnewski AV, Nassar AF, Liu J, Bello D. Dilysine-Methylene Diphenyl Diisocyanate (MDI), a Urine Biomarker of MDI Exposure? Chemical Research In Toxicology 2019, 32: 557-565. PMID: 30724074, PMCID: PMC6465083, DOI: 10.1021/acs.chemrestox.8b00262.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiomarkersChromatography, LiquidDipeptidesGlutathioneIsocyanatesMiceMolecular StructureSkinTandem Mass SpectrometryConceptsRespiratory tract exposureMDI exposureUrine biomarkersSkin exposureUrine of miceFuture translational investigationsWestern blot studiesUrinary biomarkersRespiratory tractExposure surveillanceTranslational investigationsDisease preventionMDI conjugatesMiceUrineBiomarkersCollision-induced dissociation (CID) fragmentation patternsExposureUnderstanding pathwaysMDIIndustrial hygieneAlbuminMS/MSTractPrevention
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 characterizationMoleculesDimers
2016
Biotransformation and Rearrangement of Laromustine
Nassar AE, Wisnewski AV, King I. Biotransformation and Rearrangement of Laromustine. Drug Metabolism And Disposition 2016, 44: 1349-1363. PMID: 27278961, DOI: 10.1124/dmd.116.069823.Peer-Reviewed Original ResearchConceptsNuclear magnetic resonance spectroscopyCollision-induced dissociationFourier transform ion cyclotron resonance mass spectrometerIon cyclotron resonance mass spectrometerAccurate mass measurementsMass spectrometry studiesHydrogen-deuterium exchangeMagnetic resonance spectroscopyMass spectral rearrangementsExact massSpectrometry studiesEnzyme catalysisReactive intermediatesMass spectrometerDecomposition productsResonance spectroscopyConjugation reactionsElemental compositionPossibility of rearrangementMass measurementsSpectral rearrangementsDissociationRadioactive componentsLoss of nitrogenMetabolite products
2007
Diisocyanate conjugate and immunoassay characteristics influence detection of specific antibodies in HDI‐exposed workers
Campo P, Wisnewski AV, Lummus Z, Cartier A, Malo J, Boulet LP, Bernstein DI. Diisocyanate conjugate and immunoassay characteristics influence detection of specific antibodies in HDI‐exposed workers. Clinical & Experimental Allergy 2007, 37: 1095-1102. PMID: 17581205, DOI: 10.1111/j.1365-2222.2007.02745.x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAir Pollutants, OccupationalAsthmaBronchial Provocation TestsCyanatesEnzyme-Linked Immunosorbent AssayFemaleHumansImmunoassayImmunoglobulin EImmunoglobulin GInhalation ExposureIsocyanatesMaleMiddle AgedMolecular StructureObserver VariationOccupational DiseasesPredictive Value of TestsQuality ControlQuebecRadioallergosorbent TestReagent Kits, DiagnosticReproducibility of ResultsSensitivity and SpecificitySerum AlbuminSkin TestsConceptsSpecific inhalation challengeDiisocyanate asthmaSpecific IgEHuman serum albumin conjugatesSpecific antibodiesSpecific IgG antibodiesInhalation challengeAsthmatic reactionSpecific IgGHDI exposureIgG antibodiesTest antigenPredictive valueSerum albumin conjugatesAntigen immunoassayIgEProtein antigensIgG immunoassayShop workersInter-laboratory variabilityAlbumin conjugatesAntibodiesAsthmaRASTIgG