Browsing Chemistry Faculty Research, Publications and Presentations by Title

Now showing items 17-36 of 233

  • Bis[Pyrrolyl Ru(II)] Triads: a New Class of Photosensitizers for Metal-Organic Photodynamic Therapy 

    Smithen, D. A., Monro, S., Pinto, M., Roque III, J. A., Diaz-Rodriguez, R. M., Yin, H., ... & Yin, H. (2020). Bis [Pyrrolyl Ru (II)] Triads: a New Class of Photosensitizers for Metal-Organic Photodynamic Therapy. doi.org/10.26434/chemrxiv.12824216.v1
    A new family of ten dinuclear Ru(II) complexes based on the bis[pyrrolyl Ru(II)] triad scaffold, where two Ru(bpy)2 centers are separated by a variety of organic linkers, was prepared to evaluate the influence of the ...

  • BODIPYs with Chalcogenophenes at Boron: Synthesis and Properties. Postprint 

    BODIPYs with Chalcogenophenes at Boron: Synthesis and Properties Jacob W. Campbell, Matthew T. Tung, Katherine N. Robertson, Andrew A. Beharry, and Alison Thompson The Journal of Organic Chemistry Article ASAP DOI: 10.1021/acs.joc.3c00708
    Reported herein are the synthesis and characterization of BODIPYs bearing heterocycles at boron. To synthesize this series, various chalcogenophenes (furan, thiophene, selenophene, and tellurophene) were lithiated and then ...

  • Bridging and Conformational Control of Porphyrin Units through Non-Traditional Rigid Scaffolds 

    Grover, Nitika; Locke, Gemma M.; Flanagan, Keith J.; Beh, Michael H. R.;Beh, Thompson, Alison; and Senge, Mathias O. (2019). Bridging and Conformational Control of Porphyrin Units through Non-Traditional Rigid Scaffolds. Chemistry: A European Journal, 26,11. https://doi.org/10.1002/chem.201904199
    Connecting two porphyrin units in a rigid linear fashion, without any undesired electron delocalization or communication between the chromophores, remains a synthetic challenge. Herein, a broad library of functionally ...

  • Bridging and Conformational Control of Porphyrin Units through Non-Traditional Rigid Scaffolds 

    Grover, N., Locke, G. M., Flanagan, K. J., Beh, M. H., Thompson, A., & Senge, M. O. (2020). Bridging and Conformational Control of Porphyrin Units through Non‐Traditional Rigid Scaffolds. Chemistry–A European Journal.
    Connecting two porphyrin units in a rigid linear fashion, without any undesired electron delocalization or communication between the chromophores, remains a synthetic challenge. Herein, a broad library of functionally ...

  • A calorimetric investigation of the low-temperature phase transition in sodium hydroxide-d. 

    Reproduced from White, Mary Anne, and Stanley A. Moore. 1986. "A calorimetric investigation of the low-temperature phase transition in sodium hydroxide-d.." Journal of Chemical Physics 85(8): 4629-4632, with the permission of AIP Publishing.
    The heat capacity of NaOD from 20 to 350 K is reported. An anomaly centered at 153.2 ± 0.1 K (?H = 131.1 ± 0.7 J/mol, ?S = 0.864 ± 0.005 J/K.mol) corresponds to the onset of a low-temp. antiferroelec. phase. This ...

  • Calorimetric, Spectroscopic, and Structural Studies of Anhydrous Zinc Bromide 

    Reproduced from WHITE, MA, C. CHIEH, A. ANDERSON, and LAK STAVELEY. 1984. "Calorimetric, Spectroscopic, and Structural Studies of Anhydrous Zinc Bromide." Journal of Chemical Physics 80(3): 1254-1258, with the permission of AIP Publishing.
    No abstract available.

  • Celebrating the 200th anniversary of Dalhousie University in Halifax, Nova Scotia, Canada. 

    Thompson, A. (2018). Celebrating the 200th anniversary of Dalhousie University. Canadian Journal of Chemistry, 2018, 96(7): iii, https://doi.org/10.1139/cjc-2018-0190

  • Characterization of the Incommensurate Phase of [P(CH3)4]2CuCl4 

    PRESSPRICH, MR, MR BOND, RD WILLETT, and MA WHITE. 1989. "Characterization of the Incommensurate Phase of [P(CH3)4]2CuCl4." Physical Review B 39(5): 3453-3456. Copyright © 1989 American Physical Society.
    No abstract available.

  • Chemical Constituents from Stem Bark and Roots of Clausena anisata 

    Songue, Jules Lobe, , Etienne Dongo, Theophile Ngando Mpondo, et al. 2012. "Chemical Constituents from Stem Bark and Roots of Clausena anisata." Molecules 17(11): 13673-13686.
    Phytochemical investigations on the stem bark and roots of the tropical shrub Clausena anisata led to the isolation and characterization three carbazole alkaloids: girinimbine, murrayamine-A and ekeberginine; two peptide ...

  • Chiral molecules containing the pyrrole framework 

    Thirumalairajan, Srinath, Beth M. Pearce, and Alison Thompson. 2010. "Chiral molecules containing the pyrrole framework." Chemical Communications 46(11): 1797-1812.
    This review summarizes strategies by which chiral pyrroles, both simple and complex, have been prepared: strategies include formation of the pyrrolic ring using starting materials appended with chirality, as well as the ...

  • Chloride anion transport and copper-mediated DNA cleavage by C-ring functionalized prodigiosenes 

    Diaz, Rosa I. Saez, Jasmine Regourd, Paul V. Santacroce, Jeffery T. Davis, et al. 2007. "Chloride anion transport and copper-mediated DNA cleavage by C-ring functionalized prodigiosenes." Chemical Communications: 2701-2703.
    A new class of prodigiosenes with stability-enhancing functionalities appended to the C-ring were found to transport chloride anions through liposomal membranes, as well as to induce copper-mediated DNA cleavage.

  • cis-3,5-Cyclohexadiene-1,2-diol derivatives: facial selectivity in their Diels-Alder reactions with ethylenic, acetylenic and azo dienophiles 

    Ogbomo, Sunny M., and D. Jean Burnell. 2006. "cis-3,5-Cyclohexadiene-1,2-diol derivatives: facial selectivity in their Diels-Alder reactions with ethylenic, acetylenic and azo dienophiles." Organic & Biomolecular Chemistry 4(20): 3838-3848.
    The Diels - Alder reactions of maleimide with the acetonide derivative (6a) of cis-3,5-cyclohexadiene-1,2-diol (1a) in various solvents showed facial selectivities ranging from 1 : 1 to 1 : 9. The same derivative 6a reacted ...

  • Cl-BODIPYs: a BODIPY class enabling facile beta-substitution 

    Lundrigan, Travis, Sarah M. Crawford, T. Stanley Cameron, and Alison Thompson. 2012. "Cl-BODIPYs: a BODIPY class enabling facile beta-substitution." Chemical Communications 48(7): 1003-1005.
    Cl-BODIPYs, synthesized in high yields from dipyrrins under air- and moisture-free conditions, are extremely facile to substitution at boron compared to their corresponding F-BODIPYs, opening up a new route to BODIPYs ...

  • Classifying donor strengths of dipyrrinato/aza-dipyrrinato ligands 

    Diaz-Rodriguez, Roberto M., Robertson, Katherine N., and Thompson, Alison. (2019). Classifying donor strengths of dipyrrinato/aza-dipyrrinato ligands. Dalton Transactions.
    A parameter is reported by which to use 13C NMR chemical shifts to measure and predict the donor capabilities of N^N dipyrrinato and aza-dipyrrinato ligands chelating in L^X fashion. The results enable the rationalisation ...

  • A Combinatorial Investigation of Fe-Si-Zn Thin Film Negative Electrodes for Li-ion 1 Batteries (Preprint) 

    Published Version: L. MacEachern, R.A. Dunlap and M.N Obrovac, A Combinatorial Investigation of Fe-Si-Zn Thin Film Negative Electrodes for Li-Ion Batteries, J. Electrochem. Soc., 162 (2015), A229-A234. https://doi.org/10.1149/2.1051501jes
    Thin-film Fe-Si-Zn libraries were investigated as negative electrode materials for Li-ion batteries using combinatorial and high-throughput techniques. X-ray diffraction and electron microprobe measurements were used to ...

  • A Combinatorial Investigation of Fe-Si-Zn Thin Film Negative Electrodes for Li-ion 2 Batteries (Preprint) 

    Published Version: L. Brown, S. Smith and M. N. Obrovac, Mixed Transition Metal Titanate and Vanadate Negative Electrode Materials for Na-Ion Batteries, J. Electrochem. Soc., 162 (2015), A15-A20.
    Sodium-ion batteries have the potential to be a low cost, sustainable replacement for lithium-ion batteries in large scale energy storage. The lack of practical negative electrode materials limit the development of Na-ion ...

  • Combinatorial Investigations of Ni-Si Negative Electrode Materials for Li-Ion Batteries 

    Zhijia Du, T.D. Hatchard, R.A. Dunlap and M.N. Obrovac, Combinatorial Investigations of Ni-Si Negative Electrode Materials for Li-Ion Batteries, J. Electrochem. Soc., 162 (2015), A1858-A1863.
    Sputtered thin films in the Ni-Si system (0 ≤ x ≤ 0.65 in NixSi1-x) were studied for use as anode materials in Li-ion cells. All compositions were found to be amorphous. The Ni in Ni-Si films was found to suppress the ...

  • Combinatorial Study of the Si-Sn-O System as Negative Electrode Materials in Li-Ion Cells 

    Xiuyun Zhao, M.T. Schreiber, L. MacEachern, R.J. Sanderson, R.A. Sanderson, R.A. Dunlap and M.N. Obrovac, Combinatorial Study of the Si-Sn-O System as Negative Electrode Materials in Li-Ion Cells, J. Electrochem. Soc., 163 (2016), A203-A209.
    SixSnyO1-x-y films with 0.45 < x < 0.80, 0.05 < y < 0.35, and 0.05 < (1-x-y) < 0.40 have been prepared using a magnetron sputtering method. All compositions had an amorphous structure and good capacity retention. Reversible ...

  • Composite and Low-Cost Approaches for Molecular Crystal Structure Prediction 

    LeBlanc, Luc; Otero de la Roza, Alberto; Johnson, Erin. (2018). Composite and Low-Cost Approaches for Molecular Crystal Structure Prediction. Journal of Chemical Theory and Computation, 14, 2265-2276. https://doi.org/10.1021/acs.jctc.7b01179

  • A computational exploration of the crystal energy and charge carrier mobility landscapes of the chiral [6]helicene molecule 

    Nanoscale 10, 1865-1876 (2018)