Now showing items 1-20 of 1696

  • A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system 

    Buchhave, Lars A.; Dressing, Courtney D.; Dumusque, Xavier; Rice, Ken; Vanderburg, Andrew; Mortier, Annelies; Lopez-Morales, Mercedes; Lopez, Eric; Lundkvist, Mia S.; Kjeldsen, Hans; Affer, Laura; Bonomo, Aldo S.; Charbonneau, David; Cameron, Andrew Collier; Cosentino, Rosario; Figueira, Pedro; Fiorenzano, Aldo F. M.; Harutyunyan, Avet; Haywood, Raphaëlle D.; Johnson, John Asher; Latham, David W.; Lovis, Christophe; Malavolta, Luca; Mayor, Michel; Micela, Giusi; Molinari, Emilio; Motalebi, Fatemeh; Nascimbeni, Valerio; Pepe, Francesco; Phillips, David F.; Piotto, Giampaolo; Pollacco, Don; Queloz, Didier; Sasselov, Dimitar; Ségransan, Damien; Sozzetti, Alessandro; Udry, Stéphane; Watson, Chris (2016-11-11) - Journal article
    Kepler-20 is a solar-type star (V = 12.5) hosting a compact system of five transiting planets, all packed within the orbital distance of Mercury in our own Solar System. A transition from rocky to gaseous planets with a ...
  • 1/3 magnetization plateau and frustrated ferrimagnetism in a sodium iron phosphite 

    Vasiliev, A; Volkova, O; Zvereva, E; Ovchenkov, E; Munao', Irene; Clark, Lucy Mary; Lightfoot, Philip; Vavilova, E; Kamusella, S; Klaus, H; Werner, J; Koo, C; Klingeler, R; Tsirlin, A (2016-04-01) - Journal article
    The sodium-iron phosphite NaFe3(HPO3)2(H2PO3)6 is studied by ac-magnetic susceptibility, pulsed-field magnetization, specific heat, and high-frequency electron spin resonance (HF-ESR) measurements combined with Mössbauer ...
  • A 220 GHz 3D imaging radar with sub-cm3 voxel resolution for security applications 

    Robertson, Duncan Alexander; MacFarlane, David Graham; Bryllert, Tomas (IEEE, 2017-01-19) - Conference item
    Radars operating at high millimetre and sub-millimetre wave frequencies are promising candidates for security applications such as people screening since they offer the possibility to form 3D images through clothing with ...
  • 220GHz wideband 3D imaging radar for concealed object detection technology development and phenomenology studies 

    Robertson, Duncan Alexander; Macfarlane, David Graham; Bryllert, Tomas (SPIE, 2016-05-12) - Conference item
    We present a 220 GHz 3D imaging ‘Pathfinder’ radar developed within the EU FP7 project CONSORTIS (Concealed Object Stand-Off Real-Time Imaging for Security) which has been built to address two objectives: (i) to de-risk ...
  • 2′-alkynylnucleotides : a sequence- and spin label-flexible strategy for EPR Spectroscopy in DNA 

    Haugland, Marius M.; El-Sagheer, Afaf H.; Porter, Rachel J.; Peña, Javier; Brown, Tom; Anderson, Edward A.; Lovett, Janet E. (2016-07-27) - Journal article
    Electron paramagnetic resonance (EPR) spectroscopy is a powerful method to elucidate molecular structure through the measurement of distances between conformationally well-defined spin labels. Here we report a sequence-flexible ...
  • 3D MHD modeling of twisted coronal loops 

    Reale, F.; Orlando, S.; Guarrasi, M.; Mignone, A.; Peres, G.; Hood, A. W.; Priest, E. R. (2016-10-10) - Journal article
    We perform MHD modeling of a single bright coronal loop to include the interaction with a non-uniform magnetic field. The field is stressed by random footpoint rotation in the central region and its energy is dissipated ...
  • 3D Monte Carlo radiation transfer modelling of photodynamic therapy 

    Campbell, Catherine Louise; Christison, C.; Brown, C Tom A; Wood, Kenny; Valentine, Ronan Martin; Moseley, H. (SPIE, 2015-06) - Conference item
    The effects of ageing and skin type on Photodynamic Therapy (PDT) for different treatment methods have been theoretically investigated. A multilayered Monte Carlo Radiation Transfer model is presented where both daylight ...
  • 3D pic simulations of collisionless shocks at lunar magnetic anomalies and their role in forming lunar swirls 

    Bamford, R. A.; Alves, E. P.; Cruz, F.; Kellett, B. J.; Fonsesca, R. A.; Silva, L. O.; Trines, R. M. G. M.; Halekas, J. S.; Kamer, G.; Harnett, E.; Cairns, Robert Alan; Bingham, R. (2016-10-18) - Journal article
    Investigation of the lunar crustal magnetic anomalies offers a comprehensive long-term data set of observations of small-scale magnetic fields and their interaction with the solar wind. In this paper a review of the ...
  • 3D whole-prominence fine structure modeling 

    Gunar, Stanislav; Mackay, Duncan Hendry (2015-04-20) - Journal article
    We present the first 3D whole-prominence fine structure model. The model combines a 3D magnetic field configuration of an entire prominence obtained from nonlinear force-free field simulations, with a detailed description ...
  • 3D whole-prominence fine structure modeling. II. Prominence evolution 

    Gunar, Stanislav; Mackay, Duncan Hendry (2015-10-20) - Journal article
    We use the new three-dimensional (3D) whole-prominence fine structure model to study the evolution of prominences and their fine structures in response to changes in the underlying photospheric magnetic flux distribution. ...
  • 3T MRI investigation of cardiac left ventricular structure and function in a UK population : he Tayside screening for the prevention of cardiac events (TASCFORCE) study 

    Gandy, Stephen J.; Lambert, Matthew; Belch, Jill; Cavin, Ian; Crowe, Elena; Littleford, Roberta; MacFarlane, Jennifer A; Matthew, Shona Z; Martin, Patricia; Nicholas, R. Stephen; Struthers, Allan; Sullivan, Frank; Waugh, Shelley A.; White, Richard D.; Weir-McCall, Jonathan R.; Houston, J. Graeme (2016-11) - Journal article
    Purpose : To scan a volunteer population using 3.0T magnetic resonance imaging (MRI). MRI of the left ventricular (LV) structure and function in healthy volunteers has been reported extensively at 1.5T. Materials and Methods ...
  • 6-benzothiazolyl ureas, thioureas and guanidines are potent inhibitors of ABAD/17β-HSD10 and potential drugs for Alzheimer's disease treatment : design, synthesis and in vitro evaluation 

    Benek, Ondrej; Hroch, Lukas; Aitken, Laura; Dolezal, Rafael; Guest, Patrick; Benkova, Marketa; Soukup, Ondrej; Musil, Karel; Hughes, Rebecca; Kuca, Kamil; Smith, Terry K.; Gunn-Moore, Frank; Musilek, Kamil (2017-06) - Journal article
    Background : The mitochondrial enzyme amyloid beta-binding alcohol dehydrogenase (ABAD) also known as 17β-hydroxysteroid dehydrogenase type 10 (17β-HSD10) has been connected with the pathogenesis of Alzheimer’s disease ...
  • 6-exo-trig Michael addition-lactonizations for catalytic enantioselective chromenone synthesis 

    N P, Rifahath Mon; Cordes, David Bradford; Slawin, Alexandra Martha Zoya; Smith, Andrew David (2017-02-28) - Journal article
    The catalytic enantioselective 6-exo-trig Michael addition-lactonization of enone-acid substrates to form cis-chromenones with high diastereo- and enantiocontrol was developed using the commercially available isothiourea ...
  • A 60-second microwave-assisted synthesis of nickel foam and its application to the impregnation of porous scaffolds 

    Ruiz-Trejo, Enrique; Azad, Abul Kalam; Irvine, John Thomas Sirr (2015) - Journal article
    A rapid and facile method to prepare nickel foam from nickel nitrate and glycine using a conventional microwave oven is presented. The foam, characterized by SEM, XRD-Rietveld, TG, magnetization measurements and BET contains ...
  • 94 GHz pulsed coherent radar for high power amplifier evaluation 

    Robertson, Duncan Alexander; Hunter, Robert Iain; Gallacher, Thomas (SPIE, 2016-05-12) - Conference item
    We present the design and characterization of a 94 GHz pulsed coherent radar to be used for the evaluation and demonstration of novel wideband, high power vacuum tube amplifier technology. The radar is designed to be fully ...
  • Above the noise : the search for periodicities in the inner heliosphere 

    Threlfall, James William; De Moortel, Ineke; Conlon, Thomas Michael (2017-11) - Journal article
    Remote sensing of coronal and heliospheric periodicities can provide vital insight into the local conditions and dynamics of the solar atmosphere. We seek to trace long (one hour or longer) periodic oscillatory signatures ...
  • Absence of critical exponents in ferroelectrics : experiments of Hilczer and theory of Levanyuk and Sigov 

    Scott, J. F. (2016-08-02) - Journal article
    The pioneering breakthrough of Bozena Hilczer and her coworkers showed that the so-called critical phenomena in many ferroelectric crystals are entirely produced by defects. She studied gadolinium aluminum sulphate hexahydrate ...
  • Absence of giant spin splitting in the two-dimensional electron liquid at the surface of SrTiO3 (001) 

    McKeown Walker, S; Riccò, S; Bruno, F Y; de la Torre, A; Tamai, A; Golias, E; Varykhalov, A; Marchenko, D; Hoesch, M; Bahramy, M S; King, Philip David; Sánchez-Barriga, J; Baumberger, F (2016-06-22) - Journal article
    We reinvestigate the putative giant spin splitting at the surface of SrTiO3 reported by Santander-Syro et al. [Nature Mat. 13, 1085 (2014)]. Our spin- and angle-resolved photoemission experiments on fractured (001) oriented ...
  • The abundance and thermal history of water ice in the disk surrounding HD 142527 from the DIGIT Herschel Key Program 

    Min, M.; Bouwman, J.; Dominik, C.; Waters, L. B. F. M.; Pontoppidan, K. M.; Hony, S.; Mulders, G. D.; Henning, Th.; van Dishoeck, E. F.; Woitke, P.; Evans II, Neal J.; The DIGIT Team (2016-09-01) - Journal article
    Context. The presence or absence of ice in protoplanetary disks is of great importance to the formation of planets. By enhancing solid surface density and increasing sticking efficiency, ice catalyzes the rapid formation ...
  • Accelerated degradation of MOFs under flue gas conditions 

    Mangano, Enzo; Kahr, Juergen; Wright, Paul; Brandani, Stefano (2016-10-01) - Journal article
    The zero length column (ZLC) technique is used to investigate the stability of Mg- and Ni-CPO-27 metal organic framework (MOF) crystals to the presence of water and humid flue gas. The design of the ZLC enables the stability ...