2025
Chlorinated paraffins in plasma of healthy elderly adults: Method development, temporal variability, and exposure determinants
Fang K, Guo X, He R, Sun Y, Huang Y, Cui H, Lu Y, Gu W, Wang C, Wan Y, Tang S, Shi X. Chlorinated paraffins in plasma of healthy elderly adults: Method development, temporal variability, and exposure determinants. Journal Of Hazardous Materials 2025, 495: 139065. PMID: 40580735, DOI: 10.1016/j.jhazmat.2025.139065.Peer-Reviewed Original ResearchConceptsShort-chain chlorinated paraffinsMedium-chain chlorinated paraffinsLong-chain chlorinated paraffinsChlorinated paraffinsMethod quantification limitsHuman internal exposureMethod detection limitsGroup of persistent organic pollutantsLinear mixed-effects modelsTemporal variabilityPersistent organic pollutantsPrimary exposure pathwayCP exposureInternal exposureDietary pathwayExposure pathwaysPersistent pollutantsBiomonitoring samplesOrganic pollutantsVSCCPsExposure dynamicsDetection frequencyHealth risksShort-term variationsMixed-effects models
2024
Determination of persistent organochlorine pollutants in human serum by combining liquid-liquid extraction and solid-phase extraction with gas chromatography-tandem mass spectrometry
Qiu T, Jiang W, Bao S, Qian J, Wang C, Tang S, Shi X, Lu Y. Determination of persistent organochlorine pollutants in human serum by combining liquid-liquid extraction and solid-phase extraction with gas chromatography-tandem mass spectrometry. Microchemical Journal 2024, 197: 109699. DOI: 10.1016/j.microc.2023.109699.Peer-Reviewed Original ResearchSolid-phase extractionGas chromatography-tandem mass spectrometryLiquid-liquid extractionPersistent organochlorine pollutantsChromatography-tandem mass spectrometryMatrix effectsTarget analytesMass spectrometryMultiple reaction monitoring (MRM) modeReaction monitoring modeMethod detection limitsOrganochlorine pollutantsElectron impactSample preparation procedureGC-MS/MSDifferent spike levelsHuman serumApplicable analytical methodsLimit of quantificationMethyl tert-butyl etherQuality control samplesMonitoring modeTert-butyl etherDetection limitPreparation procedure
2014
Personal exposure to mixtures of volatile organic compounds: modeling and further analysis of the RIOPA data.
Batterman S, Su F, Li S, Mukherjee B, Jia C. Personal exposure to mixtures of volatile organic compounds: modeling and further analysis of the RIOPA data. Research Report 2014, 3-63. PMID: 25145040, PMCID: PMC4577247.Peer-Reviewed Original ResearchConceptsPositive matrix factorizationCumulative cancer riskAir exchange rateVOC exposureToxicological mode of actionMethod detection limitsPersonal exposureVolatile organic compoundsOutdoor concentrationsVOC mixturesVOC concentrationsEmission sourcesEmission sources of volatile organic compoundsHome air exchange ratesLinear mixed-effects modelsSources of volatile organic compoundsLifetime cumulative cancer riskToxicological modeVOC dataIndividual VOCsVariables associated with exposureRelationship of IndoorIndoor VOC concentrationsCancer riskHealth-based guidelines
2013
Addressing extrema and censoring in pollutant and exposure data using mixture of normal distributions
Li S, Batterman S, Su F, Mukherjee B. Addressing extrema and censoring in pollutant and exposure data using mixture of normal distributions. Atmospheric Environment 2013, 77: 464-473. PMID: 24348086, PMCID: PMC3857711, DOI: 10.1016/j.atmosenv.2013.05.004.Peer-Reviewed Original ResearchFinite mixture of normalsDirichlet process mixtureMixtures of normalsDirichlet process mixtures of normalsFinite mixtureHeavy tailsDirichlet process mixture methodsMethod detection limitsComprehensive simulation studyDistributions of VOC concentrationsProcess mixtureStandard model assumptionsPosterior distributionEmpirical densityNormal distributionSimulation studyGoodness-of-fit criteriaVolatile organic compoundsDensity estimationGoodness-of-fitDensity estimation methodCensoringConvergence issuesExposure dataEstimation method
1999
Determination of Chemical Warfare Agent Degradation Products at Low-Part-per-Billion Levels in Aqueous Samples and Sub-Part-per-Million Levels in Soils Using Capillary Electrophoresis
Nassar A, Lucas S, Hoffland L. Determination of Chemical Warfare Agent Degradation Products at Low-Part-per-Billion Levels in Aqueous Samples and Sub-Part-per-Million Levels in Soils Using Capillary Electrophoresis. Analytical Chemistry 1999, 71: 1285-1292. PMID: 10204034, DOI: 10.1021/ac980886d.Peer-Reviewed Original ResearchConceptsSub-part-per-millionCapillary electrophoresisDetection limitCE methodChemical warfare agentsElectrokinetic injectionAnalysis of chemical warfare agentsMethylphosphonic acidChemical warfare agent degradation productsCE buffer systemsIndirect UV detectionLow part-per-billion levelsEnhancement of detection limitElectroosmotic flowLow part-per-billionExcellent separation efficiencyMethod detection limitsIon-exchange cartridgeDegradation productsInternal standard approachSilver cartridgeSub-part-per-million levelsAcidic analytesEnvironmental samplesAqueous samples
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