• Microsecond Resolved Infrared Spectroelectrochemistry Using Dual Frequency Comb IR Lasers 

  Burgess, Ian (American Chemical Society, 2020-04-01)

  A dual infrared frequency comb spectrometer with heterodyne detection has been used to perform time resolved electrochemical attenuated total reflectance surface enhanced infrared absorption spectroscopy (ATR-SEIRAS). The ...

• Part-per-trillion LC-MS/MS determination of neonicotinoids in small volumes of songbird plasma 

  Hao, Chunyan; Eng, Margaret; Morrissey, Christy; Sun, Fengrong (Elsevier, 2018-12-10)

  Neonicotinoids are the most widely used class of insecticides in the world, and there are increasing concerns about their effects on non-target organisms. Analytical methods to diagnose exposure to neonicotinoids in wildlife ...

• A neonicotinoid insecticide reduces fueling and delays migration in songbirds 

  Eng, Margaret; Stutchbury, Bridget; Morrissey, Christy (American Association for the Advancement of Science, 2019-09-13)

  Neonicotinoids are neurotoxic insecticides widely used as seed treatments, but little is known of their effects on migrating birds that forage in agricultural areas. We tracked the migratory movements of imidacloprid-exposed ...

• Silicon 1s Near Edge X-ray Absorption Fine Structure Spectroscopy of Functionalized Silicon Nanocrystals 

  Ritchie, Andrew; Cao, Wei; Dasog, Mita; Purkait, T.K.; Senger, Curtis; HU, Yongfeng; Xiao, Q.F.; Veinot, Jon; Urquhart, Stephen; Urquhart, Stephen (American Chemical Society, 2016)

  Silicon 1s Near Edge X-ray Absorption Fine Structure (NEXAFS) spectra of silicon nanocrystals have been examined as a function of nanocrystal size (3 – 100 nm), varying surface functionalization (hydrogen or 1-pentyl ...

• Extracting Knowledge: Social Science, Environmental Impact Assessment, and Indigenous Consultation in the Oil Sands of Alberta, Canada 

  Baker, Janelle Marie; Westman, Clinton N. (Elsevier, 2018-01)

• Systematic Investigation of π–π Interactions in Near-Edge X-ray Fine Structure (NEXAFS) Spectroscopy of Paracyclophanes 

  Perera, Sahan; Urquhart, Stephen (2017)

  NEXAFS spectroscopy has potential for study of packing and order in organic materials but only if intermolecular effects are understood. This work studies how π–π interactions between adjacent unsaturated groups affect ...

• Connecting Molecular Conformation to Aggregation in P3HT Using Near Edge X-ray Absorption Fine Structure Spectroscopy 

  Martinson, Mercedes; Urquhart, Stephen; Eger, Shaylin; Murcia, Victor; Ade, Harald; Collins, Brian (American Chemical Society, 2017-10-11)

  Carbon 1s Near Edge X-ray Absorption Fine Structure (NEXAFS) and UV-vis spectroscopy are used to examine differences between highly aggregated and poorly aggregated forms of the polymer poly(3-hexylthiophene) (P3HT), based ...

• Visions of the Great Mystery: Grounding the Algonquian manitow Concept 

  Westman, Clinton; Joly, Tara (Sage, 2017)

• The wihkohtowin: Ritual Feasting among Cree and Métis Peoples in Northern Alberta 

  Westman, Clinton (University of Toronto Press, 2015)

• Temperature Dependence in the NEXAFS Spectra of n-Alkane 

  Urquhart, Stephen; Perera, Sahan; Sadegh, Shokatian; Wang, Jian (American Chemical Society, 2018-11-16)

  The near edge X-ray absorption fine structure (NEXAFS) spectra of orthorhombic single crystals of n-octacosane (n-C28H58), recorded at room temperature (298 K) and at cryogenic temperatures (93 K), show distinct differences. ...

• Tracing molybdenum attenuation in mining environments using molybdenum stable isotopes 

  Skierszkan, Elliott K.; Robertson, Jared M.; Lindsay, Matthew B. J.; Stockwell, Justin S.; Dockrey, John W.; Das, Soumya; Weis, Dominique; Beckie, Roger D.; Mayer, K. Ulrich (American Chemical Society, 2019-04-18)

  Molybdenum contamination is a concern in mining regions worldwide. Better understanding of processes controlling Mo mobility in mine wastes is critical for assessing potential impacts and developing water-quality management ...

• Selenate removal by zero-valent iron under anoxic conditions: effects of nitrate and sulfate 

  Das, Soumya; Lindsay, Matthew B. J.; Hendry, M. Jim (Springer Nature, 2019-08-16)

  Batch experiments were conducted to examine aqueous Se(VI) removal by zero-valent iron (ZVI) under anoxic conditions in the presence and absence of NO3− and SO42−. Initial concentrations for Se(VI), SO4, and NO3–N of 5 mg ...

• Putative mixotrophic nitrifying-denitrifying Gammaproteobacteria implicated in nitrogen cycling within the ammonia/oxygen transition zone of an oil sands pit Lake 

  Mori, Jiro F.; Chen, Lin-Xing; Jessen, Gerdhard L.; Rudderham, Sarah B.; McBeth, Joyce M.; Lindsay, Matthew B. J.; Slater, Gregory F.; Banfield, Jillian F.; Warren, Lesley A. (Frontiers, 2019-10-24)

  Anthropogenically-impacted environments offer the opportunity to discover novel microbial species and metabolisms, which may be undetectable in natural systems. Here, a combined metagenomic and geochemical study in Base ...

• Vanadium geochemistry of oil sands fluid petroleum coke 

  Nesbitt, Jake A.; Lindsay, Matthew B. J. (American Chemical Society, 2017-02-09)

  Vanadium has previously been linked to elevated toxicity of leachates derived from oil sands petroleum coke. However, geochemical controls on V mobility within coke deposits remain poorly constrained. Detailed examinations ...

• Geochemical and mineralogical aspects of sulfide mine tailings 

  Lindsay, Matthew B. J. (Elsevier, 2015-01-30)

  Tailings generated during processing of sulfide ores represent a substantial risk to water resources. The oxidation of sulfide minerals within tailings deposits can generate low-quality water containing elevated concentrations ...

• The persistence of brines in sedimentary basins 

  Ferguson, Grant; McIntosh, Jennifer C.; Grasby, Stephen E.; Hendry, M. Jim; Jasechko, Scott; Lindsay, Matthew B. J.; Luijendijk, Elco (American Geophysical Union, 2018-05-08)

  Brines are commonly found at depth in sedimentary basins. Many of these brines are known to be connate waters that have persisted since the early Paleozoic Era. Yet questions remain about their distribution and mechanisms ...

• Chemical mass transport between fluid fine tailings and the overlying water cover of an oil sands end pit lake 

  Dompierre, Kathryn A.; Barbour, S. Lee; North, Rebecca L.; Carey, Sean K.; Lindsay, Matthew B. J. (American Geophysical Union, 2017-05-17)

  Fluid fine tailings (FFT) are a principal by-product of the bitumen extraction process at oil sands mines. Base Mine Lake (BML)—the first full-scale demonstration oil sands end pit lake (EPL)—contains approximately 1.9 3 ...

• Dissolved selenium(VI) removal by zero-valent iron under oxic conditions: Influence of sulfate and nitrate 

  Das, Soumya; Lindsay, Matthew B. J.; Essilfie-Dughan, Joseph; Hendry, M. James (American Chemical Society, 2017-04-17)

  Dissolved Se(VI) removal by three commercially-available zero-valent irons (ZVIs) was examined in oxic batch experiments under circumneutral pH conditions in the presence and absence of NO3- and SO42-. Environmentally ...

• Nickel geochemistry of oil sands fluid petroleum coke deposits, Alberta, Canada 

  Nesbitt, Jake A.; Robertson, Jared M.; Swerhone, Lawrence A.; Lindsay, Matthew B. J. (Canadian Science Publishing, 2018-04-30)

  Nickel (Ni) leaching from oil sands petroleum coke can have toxicological effects on aquatic organisms. However, geochemical controls on Ni release, transport and attenuation within coke deposits remains limited. We examined ...

• Linear Dichroism in the NEXAFS Spectra of n-Alkane Crystalline Polymorphs 

  Perera, Sahan; Wang, Jian; Urquhart, Stephen (Elsevier, 2019-04)

  Linear Dichroism in Near Edge X-ray Absorption Fine Structure (NEXAFS) spectroscopy is a useful tool for studying molecular orientation and for clarifying spectroscopic assignments. n- Alkane molecules can form single ...

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