selected scholarly activity
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academic article
- Daphnia magna sub-lethal exposure to phthalate pollutants elicits disruptions in amino acid and energy metabolism. Aquatic Toxicology. 257:106432-106432. 2023
- Maternal exposure to polystyrene nanoplastics impacts developmental milestones and brain structure in mouse offspring. Environmental Science: Advances. 2023
- Nontargeted screening reveals fluorotelomer ethoxylates in indoor dust and industrial wastewater. Environmental International. 171:107634-107634. 2023
- Sublethal Exposure of Per‐ and Polyfluoroalkyl Substances of Varying Chain Length and Polar Functionality Results in Distinct Metabolic Responses in Daphnia magna. Environmental Toxicology and Chemistry. 42:242-256. 2023
- Maternal exposure to polystyrene microplastics alters placental metabolism in mice. Metabolomics. 19:1. 2022
- Comparison of sub-lethal metabolic perturbations of select legacy and novel perfluorinated alkyl substances (PFAS) in Daphnia magna. Environmental Research. 212:113582-113582. 2022
- Unwrapping Wrap-around in Gas (or Liquid) Chromatographic Cyclic Ion Mobility–Mass Spectrometry. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 94:11113-11117. 2022
- Gas Chromatography-(Cyclic) Ion Mobility Mass Spectrometry: A Novel Platform for the Discovery of Unknown Per-/Polyfluoroalkyl Substances. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 94:11096-11103. 2022
- Maternal Exposure to Polystyrene Micro- and Nanoplastics Causes Fetal Growth Restriction in Mice. ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS. 9:426-430. 2022
- The impact of perfluoroalkyl substances on pregnancy, birth outcomes, and offspring development: a review of data from mouse models. Biology of Reproduction. 106:397-407. 2022
- Which of the (Mixed) Halogenated n-Alkanes Are Likely To Be Persistent Organic Pollutants?. Environmental Science & Technology. 55:15912-15920. 2021
- Nontargeted Screening Using Gas Chromatography–Atmospheric Pressure Ionization Mass Spectrometry: Recent Trends and Emerging Potential. Molecules. 26:6911-6911. 2021
- NMR spectroscopy of wastewater: A review, case study, and future potential. Progress in Nuclear Magnetic Resonance Spectroscopy. 126-127:121-180. 2021
- Metabolomics Reveals That Bisphenol Pollutants Impair Protein Synthesis-Related Pathways in Daphnia magna. Metabolites. 11:666-666. 2021
- Predicting the Mass Spectra of Environmental Pollutants Using Computational Chemistry: A Case Study and Critical Evaluation. Journal of the American Society for Mass Spectrometry. 32:1508-1518. 2021
- Wave reflections in the umbilical artery measured by Doppler ultrasound as a novel predictor of placental pathology. EBioMedicine. 67:103326-103326. 2021
- Data-Independent Identification of Suspected Organic Pollutants Using Gas Chromatography–Atmospheric Pressure Chemical Ionization–Mass Spectrometry. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 93:1498-1506. 2021
- Infant dietary exposure to dioxin-like polychlorinated biphenyls (dlPCBs), polybrominated and mixed halogenated dibenzo-p-dioxins and furans (PBDD/Fs and PXDD/Fs) in milk samples of lactating mothers in Accra, Ghana. Chemosphere Chemosphere - Global Change Science. 263:128156-128156. 2021
- Temporal trends of halogenated and organophosphate contaminants in striped dolphins from the Mediterranean Sea. Science of the Total Environment. 753:142205-142205. 2021
- Rapid Screening of Urinary 1-Hydroxypyrene Glucuronide by Multisegment Injection–Capillary Electrophoresis–Tandem Mass Spectrometry: A High-Throughput Method for Biomonitoring of Recent Smoke Exposures. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 92:13558-13564. 2020
- Halogenated organic contaminants of concern in urban-influenced waters of Lake Ontario, Canada: Passive sampling with targeted and non-targeted screening. Environmental Pollution. 264:114733-114733. 2020
- Toward Comprehensive Per- and Polyfluoroalkyl Substances Annotation Using FluoroMatch Software and Intelligent High-Resolution Tandem Mass Spectrometry Acquisition. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 92:11186-11194. 2020
- Liquid chromatography-ion mobility-high resolution mass spectrometry for analysis of pollutants in indoor dust: Identification and predictive capabilities. Analytica Chimica Acta. 1125:29-40. 2020
- Dried blood spots for the identification of bioaccumulating organic compounds: Current challenges and future perspectives. Current Opinion in Environmental Science & Health. 15:66-73. 2020
- Editorial overview: Exposomics, emerging exposures and analytical challenges. Current Opinion in Environmental Science & Health. 15:A1-A3. 2020
- Rapid fingerprinting of source and environmental microplastics using direct analysis in real time-high resolution mass spectrometry. Analytica Chimica Acta. 1100:107-117. 2020
- Determination of Diphenylamine Antioxidants in Wastewater/Biosolids and Sediment. ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS. 7:102-110. 2020
- Compositional space: A guide for environmental chemists on the identification of persistent and bioaccumulative organics using mass spectrometry. Environmental International. 132:104808-104808. 2019
- C12–30 α-Bromo-Chloro “Alkenes”: Characterization of a Poorly Identified Flame Retardant and Potential Environmental Implications. Environmental Science & Technology. 53:10835-10844. 2019
- Background levels of dioxin-like polychlorinated biphenyls (dlPCBs), polychlorinated, polybrominated and mixed halogenated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs, PBDD/Fs & PXDD/Fs) in sera of pregnant women in Accra, Ghana. Science of the Total Environment. 673:631-642. 2019
- Response to “Letter to the Editor: Optimism for Nontarget Analysis in Environmental Chemistry”. Environmental Science & Technology. 53:5531-5533. 2019
- Fast gas chromatography-atmospheric pressure (photo)ionization mass spectrometry of polybrominated diphenylether flame retardants. Analytica Chimica Acta. 1056:70-78. 2019
- The strength in numbers: comprehensive characterization of house dust using complementary mass spectrometric techniques. Analytical and Bioanalytical Chemistry Fresenius' Journal of Analytical Chemistry Fresenius Zeitschrift f�r Analytische Chemie. 411:1957-1977. 2019
- Characterization of Polycyclic Aromatic Compounds in Commercial Pavement Sealcoat Products for Enhanced Source Apportionment. Environmental Science & Technology. 53:3157-3165. 2019
- Urinary hydroxypyrene determination for biomonitoring of firefighters deployed at the Fort McMurray wildfire: an inter-laboratory method comparison. Analytical and Bioanalytical Chemistry Fresenius' Journal of Analytical Chemistry Fresenius Zeitschrift f�r Analytische Chemie. 411:1397-1407. 2019
- Is Nontargeted Screening Reproducible?. Environmental Science & Technology. 52:11975-11976. 2018
- Evaluation of multiple alternative instrument platforms for targeted and non-targeted dioxin and furan analysis. Journal of Mass Spectrometry. 53:504-510. 2018
- Improved coverage of naphthenic acid fraction compounds by comprehensive two-dimensional gas chromatography coupled with high resolution mass spectrometry. Journal of Chromatography Journal of Chromatography A. 1536:88-95. 2018
- A high throughput targeted and non-targeted method for the analysis of microcystins and anatoxin-A using on-line solid phase extraction coupled to liquid chromatography–quadrupole time-of-flight high resolution mass spectrometry. Analytical and Bioanalytical Chemistry Fresenius' Journal of Analytical Chemistry Fresenius Zeitschrift f�r Analytische Chemie. 409:4959-4969. 2017
- Identification of Novel Brominated Compounds in Flame Retarded Plastics Containing TBBPA by Combining Isotope Pattern and Mass Defect Cluster Analysis. Environmental Science & Technology. 51:1518-1526. 2017
- Determination of Halogenated Flame Retardants Using Gas Chromatography with Atmospheric Pressure Chemical Ionization (APCI) and a High-Resolution Quadrupole Time-of-Flight Mass Spectrometer (HRqTOFMS). Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 88:11406-11411. 2016
- Evidence for High Concentrations and Maternal Transfer of Substituted Diphenylamines in European Eels Analyzed by Two-Dimensional Gas Chromatography–Time-of-Flight Mass Spectrometry and Gas Chromatography–Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. Environmental Science & Technology. 50:12678-12685. 2016
- A review of the determination of persistent organic pollutants for environmental forensics investigations. Analytica Chimica Acta. 941:10-25. 2016
- A comparison of fresh and used aircraft oil for the identification of toxic substances linked to aerotoxic syndrome. Chemosphere Chemosphere - Global Change Science. 158:116-123. 2016
- Distinguishing the C3 vs SH4 Mass Split by Comprehensive Two-Dimensional Gas Chromatography–High Resolution Time-of-Flight Mass Spectrometry. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 88:6101-6104. 2016
- A modified QuEChERS approach for the screening of dioxins and furans in sediments. Analytical and Bioanalytical Chemistry Fresenius' Journal of Analytical Chemistry Fresenius Zeitschrift f�r Analytische Chemie. 408:4043-4054. 2016
- Differentiation of (Mixed) Halogenated Dibenzo-p-Dioxins by Negative Ion Atmospheric Pressure Chemical Ionization. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 88:5205-5211. 2016
- Interaction of Metal Cations with Functionalised Hydrocarbons in the Gas Phase: Further Experimental Evidence for Solvation of Metal Ions by the Hydrocarbon Chain. European Journal of Mass Spectrometry European Mass Spectrometry. 22:61-70. 2016
- A semi-quantitative approach for the rapid screening and mass profiling of naphthenic acids directly in contaminated aqueous samples. Journal of Mass Spectrometry. 51:44-52. 2016
- Nontargeted Analysis of Persistent Organic Pollutants by Mass Spectrometry and GC×GC. Comprehensive Analytical Chemistry. 71:405-431. 2016
- Response to the Comment on Comparison of Atmospheric Pressure Ionization Gas Chromatography-Triple Quadrupole Mass Spectrometry to Traditional High-Resolution Mass Spectrometry for the Identification and Quantification of Halogenated Dioxins and Furans. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 87:11166-11166. 2015
- Quantitative Analysis of Mixed Halogen Dioxins and Furans in Fire Debris Utilizing Atmospheric Pressure Ionization Gas Chromatography-Triple Quadrupole Mass Spectrometry. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 87:10368-10377. 2015
- Comparison of Atmospheric Pressure Ionization Gas Chromatography-Triple Quadrupole Mass Spectrometry to Traditional High-Resolution Mass Spectrometry for the Identification and Quantification of Halogenated Dioxins and Furans. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 87:7902-7908. 2015
- Interaction of Metal Cations with Alkylnitriles in the Gas Phase: Solvation of Metal Ions by the Hydrocarbon Chain. European Journal of Mass Spectrometry European Mass Spectrometry. 21:579-587. 2015
- Non-targeted analysis of electronics waste by comprehensive two-dimensional gas chromatography combined with high-resolution mass spectrometry: Using accurate mass information and mass defect analysis to explore the data. Journal of Chromatography Journal of Chromatography A. 1395:152-159. 2015
- Complementary Nontargeted and Targeted Mass Spectrometry Techniques to Determine Bioaccumulation of Halogenated Contaminants in Freshwater Species. Environmental Science & Technology. 48:13844-13854. 2014
- Comprehensive characterization of the halogenated dibenzo-p-dioxin and dibenzofuran contents of residential fire debris using comprehensive two-dimensional gas chromatography coupled to time of flight mass spectrometry. Journal of Chromatography Journal of Chromatography A. 1369:138-146. 2014
- Identification and Occurrence of Analogues of Dechlorane 604 in Lake Ontario Sediment and their Accumulation in Fish. Environmental Science & Technology. 48:11170-11177. 2014
- Identification of the Halogenated Compounds Resulting from the 1997 Plastimet Inc. Fire in Hamilton, Ontario, using Comprehensive Two-Dimensional Gas Chromatography and (Ultra)High Resolution Mass Spectrometry. Environmental Science & Technology. 48:10656-10663. 2014
- Identification of Potential Novel Bioaccumulative and Persistent Chemicals in Sediments from Ontario (Canada) Using Scripting Approaches with GC×GC-TOF MS Analysis. Environmental Science & Technology. 48:9591-9599. 2014
- Characterization of Naphthenic Acids by Gas Chromatography-Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. Analytical Chemistry Industrial and Engineering Chemistry Analytical Edition. 86:7666-7673. 2014
- Using mass defect plots as a discovery tool to identify novel fluoropolymer thermal decomposition products. Journal of Mass Spectrometry. 49:291-296. 2014
- Dissociation of CuH+ and ZnH+ complexes of ethylenediamine and their N-methylated homologues: Family and neighbours, but not the same. International Journal of Mass Spectrometry. 354-355:144-151. 2013
- The reaction of the hydrogen-bridged radical cation [NH2COHOCH2]•+ with dioxygen. International Journal of Mass Spectrometry. 354-355:99-104. 2013
- Generation and Dissociation of RCOOCaCl2−and other Carboxylate-Substituted Superhalogens: CO2Capture and Implications for Structure Analysis. Collection of Czechoslovak Chemical Communications. 78:1184-1189. 2013
- The use of mass defect plots for the identification of (novel) halogenated contaminants in the environment. Analytical and Bioanalytical Chemistry Fresenius' Journal of Analytical Chemistry Fresenius Zeitschrift f�r Analytische Chemie. 405:3289-3297. 2013
- Identification and determination of the dechlorination products of Dechlorane 602 in Great Lakes fish and Arctic beluga whales by gas chromatography–high resolution mass spectrometry. Analytical and Bioanalytical Chemistry Fresenius' Journal of Analytical Chemistry Fresenius Zeitschrift f�r Analytische Chemie. 404:2737-2748. 2012
- Catalysis in Hydrogen-Bridged Radical Cations. European Journal of Mass Spectrometry European Mass Spectrometry. 18:183-194. 2012
- The Dissociation Chemistry of Ionized Methyl Carbamate and its Isomers Revisited: Theory and Experiment in Concert. European Journal of Mass Spectrometry European Mass Spectrometry. 18:149-159. 2012
- The double hydrogen transfer in the 1-methoxy-2-propanol molecular ion: Loss of CH3CO by proton-transport catalysis. International Journal of Mass Spectrometry. 316-318:18-22. 2012
- The hydrogen-bridged radical cation [NH2C O⋯H⋯O CHCH3]+ and its dissociation by proton-transport catalysis. Chemical Physics Letters. 523:20-24. 2012
- Identification of Halohydrins as Potential Disinfection By-Products in Treated Drinking Water. International Journal of Spectroscopy International Journal of Spectroscopy. 2011:1-7. 2011
- A mechanistic study of the prominent loss of H2O from ionized 2-hydroxyaminoethanol. International Journal of Mass Spectrometry. 306:138-149. 2011
- The dissociation chemistry of low-energy N-formylethanolamine ions: Hydrogen-bridged radical cations as key intermediates. International Journal of Mass Spectrometry. 306:9-26. 2011
- The covalently bound dimer ion HC N C NH+ and its neutral counterpart. Chemical Physics Letters. 497:7-11. 2010
- The reaction of the acrylonitrile ion CH2CH−CN+ with HCN: Proton-transport catalysis vs formation of ionized pyrimidine. Chemical Physics Letters. 482:211-216. 2009
- Differentiation of the pyridine radical cation from its distonic isomers by ion–molecule reactions with dioxygen. International Journal of Mass Spectrometry. 286:83-88. 2009
- The quest for the elusive carbodiimide ion HNCNH+ and its generation from ionized cyanamide by proton-transport catalysis. Chemical Physics Letters. 478:144-149. 2009
- The covalently bound HCN dimer ions HCN−NCH+ and HCN−C(N)H+ are stable species in the gas-phase, but the neutral counterparts are not. Chemical Physics Letters. 473:257-262. 2009
- Small (Poly)Unsaturated Oxygen Containing Ions and Molecules: A Brief Assessment of Their Thermochemistry Based on Computational Chemistry. European Journal of Mass Spectrometry European Mass Spectrometry. 15:261-273. 2009
- On the interaction of peptides with calcium ions as studied by matrix-assisted laser desorption/ionization Fourier transform mass spectrometry: Towards peptide fishing using metal ion baits. Analytica Chimica Acta. 627:136-147. 2008
- The covalently bound HNC dimer ion HN C C NH+ has a kinetically stable neutral counterpart. Chemical Physics Letters. 462:152-157. 2008
- The remarkable dissociation chemistry of 2-aminoxyethanol ions NH2OCH2CH2OH+studied by experiment and theory. International Journal of Mass Spectrometry. 269:165-176. 2008
- Does the ion–molecule reaction between HCCH+ and HCN lead to CH2CH–CN+? A computational and experimental study of the reverse process. Chemical Physics Letters. 450:243-247. 2008
- Isotopic labelling in mass spectrometry as a tool for studying reaction mechanisms of ion dissociations. Journal of Labelled Compounds and Radiopharmaceuticals. 50:1115-1123. 2007
- Even-electron ions: a systematic study of the neutral species lost in the dissociation of quasi-molecular ions. Journal of Mass Spectrometry. 42:1024-1044. 2007
- Loss of DNC from ionized 4-hydroxypyridine-OD: An intriguing reaction unravelled by theory and experiment. International Journal of Mass Spectrometry. 264:146-156. 2007
- The acrylonitrile dimer ion: A study of its dissociation via self-catalysis, self-protonation and cyclization into the pyrimidine radical cation. International Journal of Mass Spectrometry. 262:88-100. 2007
- The loss of NH2O from the N-hydroxyacetamide radical cation CH3C(O)NHOH+: An ion-catalysed rearrangement. International Journal of Mass Spectrometry. 254:127-135. 2006
- Infrared spectrometric analysis of urinary calculi.. Acta Chirurgica Academiae Scientiarum Hungaricae. 18:49-57. 1977
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chapter
- Analytical Methodology of POPs. 59-139. 2014
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conference paper
- Comprehensive targeted and non-targeted analysis of indoor dust using LC-HRMS with ion mobility. ACS National Meeting Book of Abstracts. 2018
- Speciation of organics in aged atmospheric particles from a biomass burning event: Relationship to light absorption and comparison to humic acids. ACS National Meeting Book of Abstracts. 2015
- STRATEGIES AND TECHNIQUES FOR IDENTIFYING UNKNOWN COMPOUNDS IN ENVIRONMENTAL SAMPLES. ENVIRONMENTAL FORENSICS: PROCEEDINGS OF THE 2013 INEF. 158-170. 2014