Publications

​[81]    L.M. Labine, E.A. Oliveria Pereira, S. Kleywegt, K.J. Jobst, A.J. Simpson, M.J. Simpson, Comparison of sub-lethal metabolic perturbations of select legacy and novel perfluorinated alkyl substances (PFAS) in Daphnia magna, Environ. Res., 212 (2022) 113582.

 

[80]    Z. Aghaei, J.G. Sled, J.C. Kingdom, A.A. Baschat, P.A. Helm, K.J. Jobst, L.S. Cahill, Maternal exposure to polystyrene nanoplastics causes fetal growth restriction in mice, ES&TL, 9 (2022) 426-430.

(5) (2022) 426-430.

[79]    E.A. Oliveira Pereira, L.M. Labine, S. Kleywegt, K.J. Jobst, A.J. Simpson, M.J. Simpson, Metabolomics reveals that bisphenol pollutants impair protein synthesis-related pathways in Daphnia magna, Metabolites, 11 (2021) 666.

 

[78]    X. Li, K.J. Jobst, Nontargeted screening using gas chromatography-atmospheric pressure ionization mass spectrometry: Recent trends and emerging potential. Molecules, 26 (2021) 6911.

 

[77]    X. Li, T. Chevez, A.O. DeSilva, D.C.G. Muir, S. Kleywegt, A. Simpson, M. Simpson, K.J. Jobst, Which of the (mixed) halogenated n-alkanes are likely to be persistent organic pollutants? ES&T 55 (2021) 15912-15920.

 

[76]    Z. Aghaei, K.L. Steeves, K.J. Jobst, L.S. Cahill, The impact of perfluoroalkyl substances on pregnancy, birth outcomes and offspring development: a review of data from mouse models of pregnancy, Biology of Reproduction, 2021 (in press).

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[75]    L.S. Cahill, G. Stortz, A. Ravi Chandran, N. Milligan, S. Shinar, C.L. Whitehead, S.R. Hobson, V. Ayyathurai, A. Rahman, R. Saghian, K.J. Jobst, C. McShane, D. Block-Abraham, V. Seravalli, M. Laurie, S. Millard, C. Delp, D. Wolfson, A.A. Baschat, K.E. Murphy, L. Serghides, E. Morgan, C.K. Macgowan, W.T. Parks, J.C. Kingdom, J.G. Sled, Wave reflections in the umbilical artery measured by Doppler ultrasound as a novel predictor of placental pathology. EBioMedicine 67 (2021) 103326.

 

[74]    M.T. Anaraki, D. Lysak, K. Downey, F.V.C. Kock, X. You, A. Barison, L. Liao, A. Gilberto F., V. Decker, B. Goerling, M. Spraul, M. Godejohann, P.A. Helm, R. Soong, K.J. Jobst, M. Simpson, A. Simpson, NMR spectrsocopy of wastewater: A review, case study, and future potential. Prog. NMR Spectrosc. 2021 (in press).

 

[73]    P. Bruce-Vanderpuije, D. Megson, G.R. Jones, K.J. Jobst, E.J. Reiner, E. Clarke, S. Adu-Kumi, J.A. Gardella Jr., 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, 263 (2021) 128156.

 

[72]    O. Aznar-Alemany, B. Sala, K.J. Jobst, E.J. Reiner, A. Borrell, A. Aguilar, E. Eljarrat, Temporal trends of halogenated and organophosphate contaminants in striped dolphins from the Mediterranean Sea, Sci. Tot. Environ. 753 (2021) 142205.

 

[71]    S.A. Schreckenbach, J. Anderson, J. Koopman, S. Grimme, M. Simpson, K.J. Jobst, Predicting the mass spectra of environmental pollutants using computational chemistry: a case study and critical evaluation. J. Am. Soc. Mass Spectrom. 32 (2021) 1508.

 

[70]    S.A. Schreckenbach, D. Simmons, L. Mullin, A. Ladak, E.J. Reiner, M. Simpson, K.J. Jobst, Data (in)dependant analysis of environmental toxicants by gas chromatography-atmospheric pressure gas chromatography, Anal. Chem. 93 (2021) 1498.

 

[69]    B. Gill, K.J. Jobst, P. Britz-McKibbin, 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, Anal. Chem. 92 (2020) 13558.

 

[68]    J.P. Koelmel, M. Paige, J.J. Aristizabal-Henao, N.M. Robey, S. Nason, P. Stelben, Y. Li, N.M. Kroeger, M.P. Napolitano, T. Savvaides, V. Vasilou, P. Rostkowski, T. Garrett, E. Lin, C. Deigl, K.J. Jobst, T.G. Townsend, K.J. Godri Pollitt, J.A. Bowden, Towards comprehensive PFAS annotation using FluoroMatch software and intelligent LC-HRMS/MS acquisition methods, Anal. Chem. 92 (2020) 11186.

 

[67]*   K.J. Jobst, K. Godri Pollitt, Editorial overview for special issue on Exposomics in: Curr. Opin. Environ. Sci. Health, Volume 15 (2020) 1.

 

[66]    K.J. Jobst, A. Arora, K. Godri Pollitt, J.G. Sled, Dried blood spots for the identification of bioaccumulating organic compounds: current challenges and future perspectives, Curr. Opin. Environ. Sci. Health 15 (2020).

 

[65]    L. Mullin, K.J. Jobst, R.A. Di Lorenzo, R. Plumb, E.J. Reiner, L.W.Y. Yeung, I. Ericson Jogsten, Liquid chromatography-ion mobility-high resolution mass spectrometry for the analysis of pollutants in indoor dust: Identification and predictive capabilities. Anal. Chim. Acta 1125 (2020) 29-40.

 

[64]    X. Zhang, M. Robson, K.J. Jobst, M. Pena-Abaurrea, A. Muscalu, C. Marvin, I. Brindle, E.J. Reiner, P.A. Helm, Halogenated organic contaminants in urban-influenced waters of Lake Ontario, Canada: passive sampling with targeted and non-targeted screening. Environ. Pollutt. (2020) 114733.

 

[63]    Z-F. Zhang, X. Zhang, E. Sverko, C.H. Marvin, K.J. Jobst, S.A. Smyth, Y-F. Li, Determination of diphenylamine antioxidants in wastewater/biosolids and sediments, Environ. Sci. Technol. Lett. 7 (2020) 102-110.

 

[62]    X. Zhang, F. Li, B. Musselman, J. Tice, P.A. Helm, K.J. Jobst, Rapid fingerprinting of environmental microplastics using thermal desorption/pyrolysis direct analysis in real time mass spectrometry, Anal. Chim. Acta, 1100 (2020) 107-117.

 

[61]    L. Chibwe, A.L. Myers, A.O. De Silva, E.J. Reiner, K.J. Jobst, D.C.G. Muir, B. Yuan, C12-30 α-Bromo-Chloro “Alkenes”: Characterization of a poorly identified flame retardant and potential environmental implications, Environ. Sci. Technol. 53 (2019) 10835-10844.

 

[60]    X. Zhang, R. Di Lorenzo, P. Helm, E.J. Reiner, P.A. Howard, D. Muir, J. Sled, K.J. Jobst, Compositional space: a guide for environmental chemists on the identification of persistent and bioaccumulative organics. Environment International 132 (2019) 104808.

 

[59]*   R.A. Hites, K.J. Jobst, Response to “Letter to the Editor concerning the Viewpoint: ‘Is nontargeted screening reproducible?’”, Environ. Sci. Technol., 53 (2019) 5531-5533.

 

[58]    P. Bruce-Vanderpuiji, D. Megson, K.J. Jobst, G.R. Jones, E.J. Reiner, C.D. Sandau, E. Clarke, S. Adu-Kumi, J.A. Gardella Jr., Background levels of polychlorinated and polybrominated dibenzo-p-dioxins, dibenzofurans (PCDD/Fs, PBDD/Fs), dioxin-like polychlorinated biphenyls (dlPCBs), and mixed halogenated dibenzo-p-dioxins and dibenzofurans (PXDD/Fs) in sera of pregnant women in Accra, Ghana, Science of the Total Environment 673 (2019) 631-642.

 

[57]    D.T. Bowman, K.J. Jobst, P.A. Helm, S. Kleywegt, M.L. Diamond, Characterization of polycyclic aromatic compounds within commercial pavement sealcoat products by GCxGC/QTOFMS for improved source apportionment, Environmental Science and Technology. 53 (2019) 3157-3165.

 

[56]    R.A. Di Lorenzo, V.V. Lobodin, J. Cochran, T. Kolic, S. Besevic, E.J. Reiner, J.G. Sled, K.J. Jobst, Fast gas chromatography-atmospheric pressure (photo)ionization mass spectrometry of brominated flame retardants, Anal. Chem. 1056 (2019) 70-78.

 

[55]    B. Gill, A. Mell, M. Shanmuganathan, K.J. Jobst, X. Zhang, D. Kinniburgh, N. Cherry, P. Britz-McKibbin, An inter-laboratory method comparison of urinary 1-hydroxypyrene determination for biomonitoring of firefighters deployed at the Fort McMurray wildfire. Anal. Bioanal. Chem. 411 (2019) 1397-1407.

 

[54]    P. Rostkowski, P. Haglund, R. Aalizadeh, N. Alygizakis, N. Thomaidis, J.B. Arandes, J. Benskin, P. Booij, P. Brunswick, A. Covaci, M-H. Devier, S. Grosse, R. Hindle, I. Ipolyi, K.J. Jobst, P. Leonards, F. Lestremau, T. Letzel, J. Magner, H. Matsukami, C. Moschet, P. Oswald, M. Reed, J. Slobodnik, C. Yang, The strength in numbers: comprehensive characterization of house dust using complementary mass spectrometric techniques, Analytical and Bioanalytical Chemistry 2019 (in press).

 

[53]    R.A. Hites, K.J. Jobst, Is nontargeted screening reproducible? Env. Sci. Technol. (Viewpoint Article) 52 (2018) 11975-11976.

 

[52]  C. Stultz, K.J. Jobst, L. Haimovici, R. Jones, S. Besevic, J. Byer, K.L. Organtini, T. Kolic, E.J. Reiner, F.L. Dorman, Evaluation of multiple alternative instrument platforms for targeted and non-targeted dioxin and furan analysis, J. Mass Spectrom., 53 (2018) 504-510.

 

[51]  D.T. Bowman, K.J. Jobst, X. Ortiz, E.J. Reiner, L.A. Warren, B.E. McCarry, G.F. Slater, Improved coverage of naphthenic acid fraction compounds by comprehensive two-dimensional gas chromatography coupled with high resolution mass spectrometry, J. Chrom. A, 1536 (2018) 88-95.

 

[50]  X. Ortiz, E. Korenkova, K.J. Jobst, K.A. MacPherson, E.J. Reiner, 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, Anal. Bioanal. Chem. 409 (2017) 4959-4969.

 

[49]  A. Ballesteros-Gomez, J. Ballesteros, X. Ortiz, W. Jonker, R. Helmus, K.J. Jobst, J.R. Parsons, E.J. Reiner, Identification of novel brominated compounds in flame retarded plastics containing TBBPA by combining isotope pattern and mass defect cluster analysis, Env. Sci. Technol. 51 (2017) 1518-1526.

 

[48]  D. Megson, M. Robson, K.J. Jobst, P.A. Helm, E.J. Reiner, 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), Anal. Chem. 88 (2016) 11406-11411.

 

[47]  R. Suhring, X. Ortiz, M. Pena-Abaurrea, K.J. Jobst, M. Freese, J.D. Pohlmann, L. Marohn, R. Ebinghaus, S. Backus, R. Hanel, E.J. Reiner, 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, Env. Sci. Technol. 50 (2016) 12678-12685.

 

[46]  D. Megson, E.J. Reiner, K.J. Jobst, F.L. Dorman, M.R. Robson, J-F. Focant, A review of the determination of persistent organic pollutants for environmental forensics investigations, Anal. Chim. Acta (2016) in press.

 

[45]  D. Megson, X. Ortiz, K.J. Jobst, E.J. Reiner, M.F.A. Mulder, J-C. Balouet, A comparison of fresh and used air-craft oil for the identification of toxic substances linked to aerotoxic syndrome, Chemosphere,158 (2016) 116.

 

[44]  J.D. Byer, K. Siek, K.J. Jobst, Distinguishing the C3 vs SH4 mass split by comprehensive two-dimensional gas chromatography-high resolution time-of-flight mass spectrometry, Anal. Chem. 88 (2016) 6101-6104.

 

[43]  S. Fernando, M.K. Green, K. Organtini, F. Dorman, R. Jones, E.J. Reiner, K.J. Jobst*, Differentiation of (mixed) halogenated dibenzo-p-dioxins by negative ion atmospheric pressure chemical ionization, Anal. Chem. 88 (2016) 5205-5211.

 

[42]  X. Ortiz-Almirall, M. Pena-Abaurrea, K.J. Jobst, E.J. Reiner, Non-targeted analysis of persistent organic pollutants by mass spectrometry and GCxGC, Comprehensive Analytical Chemistry, 71 (2016) 405-431.

 

[41]  L. Haimovici, E.J. Reiner, S. Besevic, K.J. Jobst, M. Robson, T. Kolic, K. MacPherson, A modified QuEChERS approach for the screening of dioxins and furans in sediments, Anal. Bioanal. Chem. 408 (2016) 4043-4054.

 

[40]  N.A. van Huizen, T.M. Luider, K.J. Jobst, J.K. Terlouw, J.L. Holmes, P.C. Burgers, Interaction of metal cations with functionalized hydrocarbons in the gas phase: further experimental evidence for solvation of metal ions by the hydrocarbon chain, Eur. J. Mass Spectrom. 22 (2016) 61-70.

 

[39]  K.D. Duncan, D.R. Letourneau, G.W. Vandergrift, K.J. Jobst, E.J. Reiner, C.G. Gill, E.T. Krogh, A semi-quantitative approach for the rapid screening and mass profiling of naphthenic acids directly in contaminated aqueous samples, J. Mass Spectrom., 51 (2016) 44-52.

 

[38]  K.L. Organtini, A.L. Myers, K.J. Jobst, E.J. Reiner, B. Ross, A. Ladak, L. Mullin, D. Stevens, F.L. Dorman, Quantitative analysis of mixed halogenated dioxins and furans in fire debris utilizing atmospheric pressure ionization gas chromatography-triple quadrupole mass spectrometry, Anal. Chem. 87 (2015) 10368.

 

[37]  K.L. Organtini, L. Haimovici, K.J. Jobst, E.J. Reiner, A. Ladak, D. Stevens, J.W. Cochran, F.L. Dorman,

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, Anal. Chem. 87 (2015) 7902.

 

[36]  M. Ubukata, K.J. Jobst, E.J. Reiner, S.E. Reichenbach, Q. Tao, J. Hang, Z. Wu, A.J. Dane, R.B. Cody,

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, J. Chrom. A, 1395 (2015) 152-159.

 

[35]   K.J. Jobst, J.K. Terlouw, T. Luider, N.A. van Huizen, P.C. Burgers, Interaction of metal cations with alkylnitriles in the gas phase: solvation of metal ions by the hydrocarbon chain, Eur. J. Mass Spectrom., 21 (2015) 579-

         587.

 

[34]   K.L. Organtini, A.L. Myers, K.J. Jobst, J. Cochran, B. Ross, B.E. McCarry, E.J. Reiner, F.L. Dorman,

 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, J. Chrom. A, 1369 (2014) 138-146.

 

[33]  S. Fernando, K.J. Jobst*, V.Y. Taguchi, P.A. Helm, E.J. Reiner, B.E. McCarry, 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, Env. Sci. Technol. 48 (2014) 10656-10663.

 

[32]  A.L.Myers, T. Watson-Leung, K.J.Jobst, L. Shen, S. Besevic, K. Organtini, F.Dorman, S. Maybury, E.J. Reiner, Complementary non-targeted and targeted mass spectrometry techniques to determine bioaccumulation of halogenated contaminants in freshwater species. Env. Sci. Technol. 48 (2014) 13844-13854.

 

[31]  L. Shen, K.J.Jobst, E.J.Reiner, P.A.Helm, R. McCrindle, V.Y.Taguchi, C.H.Marvin, S.Backus, K. MacPherson, I.D. Brindle, Identification and Occurrence of Analogues of Dechlorane 604 in Lake Ontario Sediment and their Accumulation in Fish. Env. Sci. Technol. 48 (2014) 11170-11177.

 

[30]  X.Ortiz, K.J.Jobst, E.J.Reiner, S.M.Backus, K.M.Peru, D.W.McMartin, G.O’Sullivan,V.Y.Taguchi, J.V. Headley, Characterization of Naphthenic Acids by Gas Chromatography-Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. Anal. Chem. 86 (2014) 7666-7673.

 

[29]  M. Pena-Abaurrea, K.J. Jobst, R. Ruffolo, L. Shen, R. McCrindle, P.A. Helm, E.J. Reiner. Identification of potential novel bioaccumulative and persistent chemicals in sediments from Ontario (Canada) using scripting approaches with GCxGC-TOF MS analysis. Env. Sci. Technol. 48 (2014) 9591-9599.

 

[28]  A.L. Myers, K.J. Jobst, S.A. Maybury, E.J. Reiner, Using mass defect plots as a discovery tool to identify novel fluoropolymer  thermal decomposition products, J. Mass Spectrom 49 (2014) 291-296.

 

[27]   G.Rodríquez-Blanco, K.J. Jobst, T.M. Luider, J.K. Terlouw, P.C. Burgers, ChemPlusChem. 78 (2013) 1184.

Generation and dissociation of RCOOCaCl2– and other carboxylate-substituted superhalogens: CO2 capture and implications for structure analysis.

 

[26]  K.J. Jobst*, J.K. Terlouw, J. De Winter, P. Gerbaux, Int. J. Mass Spectrom. 354-355 (2013) 99-104.

The reaction of the hydrogen-bridged radical cation [NH2C=O...H...O=CH2]·+ with dioxygen.

 

[25]  K.J. Jobst, J.K. Terlouw, P.J.A. Ruttink, P.C. Burgers, Int. J. Mass Spectrom. 354-355 (2013) 144-151.

Dissociation of CuH·+ and ZnH+ complexes of ethylenediamine and their N-methylated homologues: Family and neighbours, but not the same,

 

[24]  K.J. Jobst*, L. Shen, E.J. Reiner, V.Y. Taguchi, P.A. Helm, R. McCrindle, S. Backus, The use of mass defect plots for the identification of (novel) halogenated contaminants in the environment, Anal. Bioanal. Chem. 405 (2013) 3289-3297.

 

[23]  L. Shen, K.J. Jobst, P.A. Helm, E.J. Reiner, R. McCrindle, G.T. Tomy, S. Backus, I.D. Brindle, C.H. Marvin, 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. Anal. Bioanal. Chem. 404 (2013) 2737.

 

[22]  P.C. Burgers, G.A. McGibbon, K.J. Jobst*, Eur. J. Mass Spectrom. 18 (2012) 149. The dissociation chemistry of ionized methyl carbamate and its isomers revisited : theory and experiment in concert,

 

[21]  M.A.Trikoupis, K.J. Jobst*, Eur. J. Mass Spectrom.18 (2012) 183. Catalysis in hydrogen-bridged radical cations.

 

[20]  K.J. Jobst, J.K. Terlouw, The hydrogen-bridged radical cation [NH2C=O...H...O=CHCH3]•+ and its dissociation by proton-transport catalysis,  Chem. Phys. Lett. 523 (2012) 20.

 

[19]   K.J.Jobst*, N.M.M Nibbering, J.K.Terlouw, The double hydrogen transfer in the 1-methoxy-2-propanol molecular ion : Loss of CH3CO• by proton-transport catalysis, Int. J. Mass Spectrom. 316 (2012) 18.

 

[18]   K.J. Jobst, V.Y.Taguchi, R.D. Bowen, M.A. Trikoupis, J.K. Terlouw, Identification of halohydrins as potential disinfection by-products in treated drinking water, Int. J. Spec. (2011) Article ID 949745.

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For publications from my Ph.D. work, see: https://scholar.google.ca/citations?user=iAY4p7IAAAAJ&hl=en

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