Now showing items 34-53 of 140

  • First-principles study of the nuclear quadrupole resonance parameters and orbital ordering in LaTiO3. 

    Zwanziger, J. W.. 2009. "First-principles study of the nuclear quadrupole resonance parameters and orbital ordering in LaTiO3.." Physical Review B: Condensed Matter and Materials Physics 79(3): 0331121-033112/4. doi:10.1103/PhysRevB.79.033112
    The electronic structure of the distorted perovskite LaTiO3 is studied using d.-functional theory, implemented with a projector-augmented wave formalism together with the local-d. approxn. plus Hubbard U-parameter (LDA+U) ...
  • Fractional Quantization of Molecular Pseudorotation in Na-3 

    DELACRETAZ, G., ER GRANT, RL WHETTEN, L. WOSTE, et al. 1986. "Fractional Quantization of Molecular Pseudorotation in Na-3." Physical Review Letters 56(24): 2598-2601. doi:10.1103/PhysRevLett.56.2598
    No abstract available.
  • Genomic analysis of stationary-phase and exit in Saccharomyces cerevisiae: Gene expression and identification of novel essential genes 

    Martinez, MJ, S. Roy, AB Archuletta, PD Wentzell, et al. 2004. "Genomic analysis of stationary-phase and exit in Saccharomyces cerevisiae: Gene expression and identification of novel essential genes." Molecular biology of the cell 15(12): 5295-5305. doi:10.1091/mbc.E03-11-0856
    Most cells on earth exist in a quiescent state. In yeast, quiescence is induced by carbon starvation, and exit occurs when a carbon source becomes available. To understand how cells survive in, and exit from this state, ...
  • The heat capacities of thermomiotic ScF3 and ScF3–YF3 solid solutions 

    Journal of Materials Science May 2015, Volume 50, Issue 9, pp 3409-3415
    Scandium trifluoride (ScF3) exists in a cubic ReO3 structure that exhibits negative thermal expansion from 10 to 1100 K, while substituted Sc1−x Y x F3 materials display the same behavior at room temperature but transition ...
  • Heat capacity of gadolinium near the Curie temperature. 

    Bednarz, Grzegorz, D. J. W. Geldart, and Mary Anne White. 1993. "Heat capacity of gadolinium near the Curie temperature.." Physical Review B: Condensed Matter and Materials Physics 47(21): 14247-14259. Copyright © 1993 American Physical Society.
    High-resoln. ac calorimetric data near the Curie point are reported for several single crystals of gadolinium. The crit. temp. and the shape of the heat-capacity curve near Tc both depend on the sample-prepn. procedure, ...
  • Heat capacity, lattice dynamics, and thermodynamic stability of the negative thermal expansion material HfMo2O8 

    Kennedy, Catherine A., Mary Anne White, Angus P. Wilkinson, and Tamas Varga. 2007. "Heat capacity, lattice dynamics, and thermodynamic stability of the negative thermal expansion material HfMo2O8." Physical Review B 75(22): 224302-224302. Copyright © 2007 American Physical Society.
    We explore the lattice dynamics of the negative thermal expansion material, cubic HfMo2O8, through analysis of its heat capacity (measured from 0.5 to 300 K) and its room-temperature Raman spectrum. Its heat capacity is ...
  • Heteroleptic zinc dipyrromethene complexes 

    Amiri, A., IM Comeau, and A. Thompson. 2006. "Heteroleptic zinc dipyrromethene complexes." Journal of Heterocyclic Chemistry 43(2): 431-435.
    H-1 NMR spectroscopy has been used to study the complexation of a per-alkyl dipyrromethene with zinc acetate. An intermediate, assigned to be the heteroleptic Zn(dipyrromethene) (acetate) complex, is observed under titration ...
  • High-resolution, high-sensitive ac calorimeter. 

    Bednarz, Grzegorz, Brian Millier, and Mary Anne White. 1992. "High-resolution, high-sensitive ac calorimeter.." Review of Scientific Instruments 63(8): 3944-3952.
    A high-resoln., high-sensitivity, automated ac calorimeter capable of heat capacity measurements of very small samples (m < 20 mg) with a temp. resoln. of a few mK in the ac mode is described. This calorimeter also can be ...
  • High-throughput resistivity apparatus for thin-film combinatorial libraries 

    Hewitt, KC, PA Casey, RJ Sanderson, MA White, et al. 2005. "High-throughput resistivity apparatus for thin-film combinatorial libraries." Review of Scientific Instruments 76(9): 093906-093906.
    An apparatus, capable of measuring the dc resistance versus temperature of a 49-member library prepared by thin-film deposition techniques was designed and tested. The library is deposited by dc magnetron sputtering onto ...
  • Implications of finite-size and surface effects on nanosize intercalation materials 

    Obrovac, MN, and JR Dahn. 2000. "Implications of finite-size and surface effects on nanosize intercalation materials." Physical Review B 61(10): 6713-6719.
    A Monte Carlo simulation of a two-dimensional lattice gas with free boundaries is used to study the effects of surface and size on the chemical potential-composition curves of intercalation compounds. In particular we are ...
  • Implications of measurement error structure on the visualization of multivariate chemical data: hazards and alternatives 

    Canadian Journal of Chemistry, 2018, 96(7): 738-748, https://doi.org/10.1139/cjc-2017-0730
  • An Improved Method for the Synthesis of F-BODIPYs from Dipyrrins and Bis(dipyrrin)s 

    Lundrigan, T., Baker, A. E., Longobardi, L. E., Wood, T. E., Smithen, D. A., Crawford, S. M., ... & Thompson, A. (2012). An Improved Method for the Synthesis of F-BODIPYs from Dipyrrins and Bis (dipyrrin) s. Organic letters, 14(8), 2158-2161. DOI: 10.1021/ol300681w
    An improved methodology for the synthesis of F-BODIPYs from dipyrrins and bis(dipyrrin)s is reported. This strategy employs lithium salts of dipyrrins as intermediates that are then treated with only one equivalent of boron ...
  • Influence of B-Ring Modifications on Proton Affinity, Transmembrane Anion Transport and Anti-Cancer Properties of Synthetic Prodigiosenes 

    Marchal, E., Rastogi, S., Thompson, A., & Davis, J. T. (2014). Influence of B-ring modifications on proton affinity, transmembrane anion transport and anti-cancer properties of synthetic prodigiosenes. Organic & biomolecular chemistry, 12(38), 7515-7522. doi: 10.1039/c4ob01399a.
    Prodigiosin is the parent compound of the tripyrrolic natural products known as the prodigiosenes. Some of these natural products and their synthetic analogs show anti-cancer, immunosuppressive and antimicrobial actions, ...
  • Influence of sample oxidation on the nature of optical luminescence from porous silicon 

    Coulthard, I., WJ Antel, JW Freeland, TK Sham, et al. 2000. "Influence of sample oxidation on the nature of optical luminescence from porous silicon." Applied Physics Letters 77(4): 498-500.
    No abstract available.
  • Intramolecular nucleophilic displacement of halogen by phosphinate and thiophosphinate anions: relative rates of formation of five- and six-membered rings 

    Chaudhry, A., MJP Harger, P. Shuff, and A. Thompson. 1999. "Intramolecular nucleophilic displacement of halogen by phosphinate and thiophosphinate anions: relative rates of formation of five- and six-membered rings." Journal of the Chemical Society-Perkin Transactions 1: 1347-1352.
    No abstract available.
  • Intramolecular Nucleophilic-Substitution by Phosphinate and Thiophosphinate Anions - Relative Rates of Formation of 5-Membered and 6-Membered Rings 

    CHAUDHRY, A., MJP HARGER, P. SHUFF, and A. THOMPSON. 1995. "Intramolecular Nucleophilic-Substitution by Phosphinate and Thiophosphinate Anions - Relative Rates of Formation of 5-Membered and 6-Membered Rings." Journal of the Chemical Society-Chemical Communications: 83-84.
    No abstract available.
  • Investigation of factors affecting crystallization of cyclopentane clathrate hydrate 

    Reproduced from Whitman, Catherine A., Roman Mysyk, and Mary Anne White. 2008. "Investigation of factors affecting crystallization of cyclopentane clathrate hydrate." Journal of Chemical Physics 129(17): 174502-174502, with the permission of AIP Publishing.
    We report the results of systematic investigations of the influence of thermal history and other factors on crystallization of a model clathrate hydrate (cyclopentane hydrate) studied as water-in-oil and oil-in-water ...
  • Investigations into the nucleophilic meso-substitution of F-BODIPYs and improvements to the synthesis of 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene. 

    Crawford, Sarah M., and Alison Thompson. 2011. "Investigations into the nucleophilic meso-substitution of F-BODIPYs and improvements to the synthesis of 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene." Heterocycles 83(2): 311-322.
    A series of three F-BODIPYs, with varying levels of steric crowding about the meso-position were selected to investigate nucleophilic meso-substitution of F-BODIPYs. The synthesis of one of these F-BODIPYs, 4,4-difluor ...
  • Investigations regarding the utility of prodigiosenes to treat leukemia 

    Smithen, Deborah A., A. Michael Forrester, Dale P. Corkery, Graham Dellaire, et al. 2013. "Investigations regarding the utility of prodigiosenes to treat leukemia." Organic & Biomolecular Chemistry 11(1): 62-68.
    Prodigiosenes, possessing a 4-methoxypyrrolyldipyrrin skeleton, are known for their anti-cancer activity. Structural modification of the C-ring resulted in a series of prodigiosenes that displayed promising activity against ...
  • Isolation and characterization of a novel tetrahydro-[2,2 ']bipyrrolyl dimer as an impurity from a Knorr reaction 

    Thompson, A., Y. Alattar, CS Beshara, RK Burley, et al. 2004. "Isolation and characterization of a novel tetrahydro-[2,2 ']bipyrrolyl dimer as an impurity from a Knorr reaction." Journal of Heterocyclic Chemistry 41(5): 777-781.
    A novel dimer, tetraethyl 2,2',3,3'-tetramethyl-1,1',2,2'-tetrahydro-4H,4'H-2,2'-bipyrrolyi-5,5,5',5'-tetracarboxylate, has been isolated as an impurity (0.4% yield) from a Knorr reaction for the synthesis of ...