Now showing items 555-574 of 744

  • Selenocarbonyl synthesis using Woollins Reagent 

    Bhattacharyya, Pravat; Woollins, John Derek (2001-08-20) - Journal article
    [PhP(Se)(mu -Se)](2) selenates secondary and tertiary amides to the corresponding selenoamides in 30-70% yields at 130 degreesC in toluene and indolizine-3-aldehydes to selenoaldehydes in 40-59% yield at 25 degreesC. (C) ...
  • Self-trapping and excited state absorption in fluorene homo-polymer and copolymers with benzothiadiazole and tri-phenylamine 

    Denis, Jean-Christophe; Ruseckas, Arvydas; Hedley, Gordon J.; Matheson, Andrew B.; Paterson, Martin J.; Turnbull, Graham A.; Samuel, Ifor D. W.; Galbraith, Ian (2016-08-21) - Journal article
    Excited state absorption (ESA) is studied using time-dependent density functional theory and compared with experiments performed in dilute solutions. The molecules investigated are a fluorene pentamer, polyfluorene F8, the ...
  • Short stack and full system test using a ceramic A-site deficient strontium titanate anode 

    Verbraeken, Maarten Christiaan; Iwanschitz, Boris; Stefan, Elena; Cassidy, Mark; Weissen, Ueli; Mai, Andreas; Irvine, John Thomas Sirr (2015) - Journal article
    A lanthanum and calcium co-doped A-site deficient strontium titanate (LSCTA–) was used as alternative anode material in Solid Oxide Fuel Cells (SOFC) with an active area of 100 cm2. Cell performance was tested in both short ...
  • Short-interval observational data to inform clinical trial design in early Huntington’s Disease 

    Hobbs, Nicola Z.; Farmer, Ruth E.; Rees, Elin M.; Cole, James H.; Haider, Salman; Malone, Ian B; Sprengelmeyer, Reiner Heinrich; Johnson, Hans; Mueller, Hans-Peter; Sussmuth, Sigurd D.; Roos, Raymund A.C.; Durr, Alexandra; Frost, Chris; Scahill, Rachael I.; Landwehrmeyer, Bernhard; Tabrizi, Sarah J (2015) - Journal article
    Objectives To evaluate candidate outcomes for disease-modifying trials in Huntington's disease (HD) over 6-month, 9-month and 15-month intervals, across multiple domains. To present guidelines on rapid efficacy readouts ...
  • Side-chain influence on the mass density and refractive index of polyfluorenes and star-shaped oligofluorene truxenes 

    Morawska, Paulina Olga; Wang, Yue; Ruseckas, Arvydas; Orofino-Penia, C.; Kanibolotsky, A.L.; Santhanagopal, R.; Fröhlich, N.; Fritsch, M.; Allard, Sybille; Scherf, U.; Skabara, P.J.; Samuel, Ifor David William; Turnbull, Graham A. (2015-09-24) - Journal article
    The density of organic semiconductor films is an important quantity because it is related to intermolecular spacing which in turn determines the electronic and photophysical properties. We report thin film density and ...
  • Silver(I) coordination complexes and extended networks assembled from S, Se, Te substituted acenaphthenes 

    Knight, Fergus R.; Randall, Rebecca A. M.; Wakefield, Lucy; Slawin, Alexandra M. Z.; Woollins, J. Derek (2013-01-07) - Journal article
    Six related organo-chalconium silver(I) coordination complexes, including two examples of rare organo-tellurium-silver coordination, have been prepared and structurally characterised by X-ray crystallography. The series ...
  • A Silver(I) Iodide Complex of a Tellurophosphorane 

    Nordheider, Andreas; Slawin, Alexandra Martha Zoya; Woollins, J Derek; Chivers, Tristram (2015-02) - Journal article
    The formation and structural characterization of the first coordination complex of the tellurophosphorane [tBu(H)NP(μ-NtBu)2P(Te)N(H)tBu] are presented. The silver(I) iodide complex {(I)Ag[tBu(H)NP(μ-NtBu)2P(Te)N(H)tBu]3} ...
  • A simple access to transition metal cyclopropenylidene complexes 

    Bidal, Yannick Daniel; Lesieur, Mathieu; Melaimi, Mohand; Cordes, David Bradford; Slawin, Alexandra Martha Zoya; Bertrand, Guy; Cazin, Catherine S.J. (2015-03-21) - Journal article
    We report the first example of BAC–Cu complex (BAC = bis(diisopropylamino)cyclopropenylidene) and its use as a carbene-transfer reagent, allowing access to Au–, Pd–, Ir– and Rh–BAC compounds. Catalytic experiments show the ...
  • Simple direct formation of self-assembled N-heterocyclic carbene monolayers on gold and their application in biosensing 

    Crudden, Cathleen; Horton, Hugh; Narouz, Mina; Li, Zhijun; Smith, Christene; Munro, Kim; Baddeley, Christopher John; Larrea, Christian Rodriguez; Drevniok, Benedict; Thanabalasingam, Bheeshmon; Maclean, Alastair; Zenkina, Olena; Ebralidze, Iraklii; She, Zhe; Kraatz, Heinz-Bernhard; Mosey, Nicholas; Saunders, Lisa; Yagi, Akiko (2016-09-02) - Journal article
    The formation of organic films on gold employing N-heterocyclic carbenes (NHCs) has been previously shown to be a useful strategy for generating stable organic films. However, NHCs or NHC precursors typically require inert ...
  • Simulated biogas for nickel-based solid oxide fuel cells 

    Ma, J.; Jiang, C.; Cassidy, M.; Irvine, J.T.S. (Electrochemical Society, 2014) - Conference item
    Biogas is composed of variable gases including hydrogen, nitrogen and sulphur, with methane and carbon dioxide as the main components. The common ratio of methane to carbon dioxide is 60/40 in volume and this high amount ...
  • Simultaneous cellulose conversion and hydrogen production assisted by cellulose decomposition under UV-light photocatalysis 

    Zhang, Guan; Ni, Chengsheng; Huang, Xiubing; Welgamage, Aakash; Lawton, Linda A.; Robertson, Peter K. J.; Irvine, John T. S. (2016-01-28) - Journal article
    Photocatalytic conversion of cellulose to sugars and carbon dioxide with simultaneous production of hydrogen assisted by cellulose decomposition under UV or solar light irradiation was achieved upon immobilization of ...
  • Simultaneous control of regioselectivity and enantioselectivity in the hydroxycarbonylation and methoxycarbonylation of vinyl arenes 

    Konrad, Tina Maria; Durrani, Jamie; Cobley, Christopher J.; Clarke, Matt (2013) - Journal article
    Using a family of novel mononuclear and dinuclear palladium complexes of phanephos ligands, the simultaneous control of regioselectivity and enantioselectivity in the hydroxycarbonylation and alkoxycarbonylation of styrene ...
  • Simultaneous feature selection and parameter optimisation using an artificial ant colony : case study of melting point prediction 

    O'Boyle, NM; Palmer, DS; Nigsch, F; Mitchell, John Blayney Owen (2008-10-29) - Journal article
    Background We present a novel feature selection algorithm, Winnowing Artificial Ant Colony (WAAC), that performs simultaneous feature selection and model parameter optimisation for the development of predictive quantitative ...
  • Simultaneous intracellular redox potential and pH measurements in live cells using SERS nanosensors 

    Jamieson, L.E.; Jaworska, A.; Jiang, J.; Baranska, M.; Harrison, D.J.; Campbell, C.J. (2015-04-07) - Journal article
    Intracellular redox potential is a highly regulated cellular characteristic and is critically involved in maintaining cellular health and function. The dysregulation of redox potential can result in the initiation and ...
  • Single enantiomer synthesis of alpha-(trifluoromethyl)-beta-lactam 

    Jurcik, Vaclav; Slawin, Alexandra M. Z.; O'Hagan, David (2011-06-06) - Journal article
    The first synthesis of alpha-(trifluoromethyl)-beta-lactam ((S)-1) is reported. The route starts from alpha-(trifluoromethyl)acrylic acid (2). Conjugate addition of alpha-(p-methoxyphenyl)ethylamine ((S)-3b), generated an ...
  • Site selectivity in the growth of copper islands on Au (111) 

    Grillo, Federico; Fruchtl, Herbert Anton; Francis, Stephen Malcolm; Richardson, Neville V (2011) - Journal article
    The room temperature deposition of copper onto a Au(111)-(22×√3) reconstructed surface has been investigated using scanning tunnelling microscopy (STM), up to a copper coverage of approximately 0.7 monolayer (ML). At ...
  • Size and shape of graphene layers in commercial carbon blacks established by Debye refinement 

    Andreev, Yuri Georgievich; Bruce, Peter (2016-02) - Journal article
    The size and the shape of graphene layers in commercial conductive carbon blacks, Super P® and Super S®, have been determined from powder X-ray diffraction data. Using a refinement procedure based on the fundamental ...
  • Size-Selective Carbon Nanoclusters as Precursors to the Growth of Epitaxial Graphene 

    Wang, Bo; Ma, Xiufang; Caffio, Marco; Schaub, Renald; Li, Wei-Xue (2011-02-09) - Journal article
    The nucleation and growth mechanisms of graphene on Rh(111) via temperature-programmed growth of C2H4 are studied by scanning tunneling microscopy and spectroscopy, and by density functional theory calculations. By combining ...
  • A small-molecule inhibitor of T. gondii motility induces the posttranslational modification of myosin light chain-1 and inhibits myosin motor activity 

    Heaslip, Aoife T.; Leung, Jacqueline M.; Carey, Kimberly L.; Catti, Federica; Warshaw, David M.; Westwood, Nicholas J.; Ballif, Bryan A.; Ward, Gary E. (2010-01-15) - Journal article
    Toxoplasma gondii is an obligate intracellular parasite that enters cells by a process of active penetration. Host cell penetration and parasite motility are driven by a myosin motor complex consisting of four known proteins: ...
  • Sodium and rhodium complexes of a spirocyclic Te5 dianion supported by P2N2 rings 

    Nordheider, Andreas; Athukorala Arachchige, Kasun Sankalpa; Slawin, Alexandra Martha Zoya; Woollins, J Derek; Chivers, Tristram (2015-05-21) - Journal article
    Reactions of the dianion [Te(tBuN)P(μ-NtBu)2P(NtBu)Te]2− with I2 or [Cp*RhCl2]2 unexpectedly produced complexes of the novel spirocyclic Te5 dianion [{tBuN(Te)P(μ-NtBu)2P(Te)NtBu}2μ-Te]2−, which is N,N′-coordinated to two ...