Now showing items 10-29 of 7701

  • 2 μm solid-state laser mode-locked by single-layer graphene 

    Lagatsky, A. A.; Sun, Z.; Kulmala, T. S.; Sundaram, R. S.; Milana, S.; Torrisi, F.; Antipov, O. L.; Lee, Y.; Ahn, J. H.; Brown, C. T. A.; Sibbett, W.; Ferrari, A. C. (2013-01-07) - Journal article
    We report a 2 μm ultrafast solid-state Tm : Lu2O3 laser, mode-locked by single-layer graphene, generating transform-limited similar to 410 fs pulses, with a spectral width similar to 11.1 nm at 2067 nm. The maximum average ...
  • 2,2 '-o-Phenylenediacetonitrile 

    Li, Yang; Hua, Guoxiong; Slawin, Alexandra M. Z.; Woollins, J. Derek (2009-11) - Journal article
    In the title compound, NCCH2C6H4CH2CN, the bond lengths and angles are within normal ranges. The benzene ring makes dihedral angles of 4.94 (8) and 77.04 (8)degrees with the C-C-C-N mean planes. Weak non-conventional C-H ...
  • 2,4,5-Triphenyl-1,3,2-dioxaphospholan-2-one 

    Cordes, David B.; Hua, Guoxiong; Slawin, Alexandra M. Z.; Woollins, J. Derek (2011-07) - Journal article
    The dioxaphospholane ring in the title compound, C20H17O3P, adopts an envelope conformation about one of the ring carbons. The benzene rings of the compound do not form face-to-face pi-pi interactions, instead weak C-H ...
  • 2-(4-Fluorophenyl)-3-methyl-1H-indole 

    Cordes, David B.; Hua, Guoxiong; Slawin, Alexandra M. Z.; Woollins, J. Derek (2011-07) - Journal article
    The indole N-H hydrogen in the title compound, C15H12FN, does not display classical hydrogen bonding. Rather it forms an interaction with the pi system of an adjacent indole, resulting in weakly interacting chains along ...
  • 2-Arylacetic anhydrides as ammonium enolate precursors 

    Morrill, Louis C.; Ledingham, Lyndsay A.; Couturier, Jean-Philippe; Bickel, Jasmine; Harper, Andrew D.; Fallan, Charlene; Smith, Andrew D. (2014-01-28) - Journal article
    Readily prepared 2-arylacetic anhydrides act as convenient ammonium enolate precursors in isothiourea (HBTM-2.1)-mediated catalytic asymmetric intermolecular Michael addition-lactonisation processes, giving diverse synthetic ...
  • 2-Phenyl-5-(p-tolyl)-1,3,4-oxadiazole 

    Cordes, David B.; Hua, Guoxiong; Slawin, Alexandra M. Z.; Woollins, J. Derek (2011-07) - Journal article
    The title compound, C15H12N2O, adopts the expected near-planar geometry, the phenyl and tolyl rings being inclined relative to the oxadiazole ring by 3.8 (3) and 8.3 (2)degrees, respectively. This allows adjacent molecules ...
  • 2A - the "go-to" technology for transgene co-expression 

    Minskaia, Ekaterina; Luke, Garry Alec (2015-08-26) - Journal item
    In order to co-express multiple genes for biotechnological and biomedical applications, several approaches have been used with varying degrees of success. Currently, internal ribosome entry site (IRES) elements and ...
  • 2A peptides provide distinct solutions to driving stop-carry on translational recoding 

    Sharma, P; Yan, F; Doronina, V; Escuin-Ordinas, Helena; Ryan, Martin Denis; Brown, Jeremy (2012-04) - Journal article
    Expression of viral proteins frequently includes non-canonical decoding events (‘recoding’) during translation. ‘2A’ oligopeptides drive one such event, termed ‘stop-carry on’ recoding. Nascent 2A peptides interact with ...
  • 2A-induced ribosome stalling 

    Odon, Valèrie M. N. (University of St Andrews, 2014-06-25) - Thesis
    Originally 2A was characterised in foot-and-mouth disease virus. Site directed mutagenesis identified a C-terminus consensus motif [D(V/I)ExNPGP] and it is proposed that 2A interacts with the exit tunnel of the ribosome ...
  • 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 code investigations of Auroral Kilometric Radiation mechanisms 

    Gillespie, K. M.; McConville, S. L.; Speirs, D. C.; Ronald, K.; Phelps, A. D. R.; Bingham, R.; Cross, A. W.; Robertson, C. W.; Whyte, C. G.; He, W.; Vorgul, I.; Cairns, R. A.; Kellett, B. J. (IOP PUBLISHING LTD, 2014) - Conference item
    Efficient (similar to 1%) electron cyclotron radio emissions are known to originate in the X mode from regions of locally depleted plasma in the Earths polar magnetosphere. These emissions are commonly referred to as the ...
  • A 3D stereo camera system for precisely positioning animals in space and time 

    Macfarlane, Nicholas; Howland, Jonathan; Jensen, Frants; Tyack, Peter Lloyd (2015-04) - Journal article
    Here, we describe a portable stereo camera system that integrates a GPS receiver, an attitude sensor and 3D stereo photogrammetry to rapidly estimate the position of multiple animals in space and time. We demonstrate 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. ...
  • 4,5-dihydropyrazoles : novel chemistry and biological activity 

    Catti, Federica (University of St Andrews, 2007) - Thesis
  • 4273π : bioinformatics education on low cost ARM hardware 

    Barker, Daniel; Ferrier, David Ellard Keith; Holland, Peter W.H.; Mitchell, John B. O.; Plaisier, Heleen; Ritchie, Michael Gordon; Smart, Steven D. (2013-08-12) - Journal article
    Background: Teaching bioinformatics at universities is complicated by typical computer classroom settings. As well as running software locally and online, students should gain experience of systems administration. For a ...
  • 5-hydroxymethylcytosine profiling as an indicator of cellular state 

    Laird, Alexander; Thomson, John P.; Harrison, David J.; Meehan, Richard R. (2013-12) - Journal article
    DNA methylation is widely studied in the context of cancer. However, the rediscovery of 5-hydroxymethylation of DNA adds a new layer of complexity to understanding the epigenetic basis of development and disease, including ...
  • (5RS)-5-(4-Methoxyphenyl)-2-(methylsulfanyl)benzo[g]pyrimido[4,5-b]quinoline-4,6,11(3H,5H,12H)-trione, with Z '=3, forms a three-dimensional hydrogen-bonded framework containing five types of hydrogen bond 

    Castillo, Yelder A.; Zapata, Luis F.; Trilleras, Jorge; Cobo, Justo; Glidewell, Christopher (2014-01) - Journal article
    The title compound, C23H17N3O4S, crystallizes with Z' = 3 in the space group P. Two of the three independent molecules are broadly similar in terms of both their molecular conformations and their participation in hydrogen ...
  • 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 ...
  • (8RS)-4-Amino-6-(4-chlorophenyl)-8-(2,4-dichlorothiazol-5-yl)-8, 9-dihydro-7H-pyrimido[4,5-b][1,4]diazepine N,N-dimethylformamide monosolvate : sheets built from N-H⋯N and C-H⋯O hydrogen bonds 

    Ramírez, J.; Insuasty, B.; Cobo, J.; Glidewell, C. (2014-06-01) - Journal article
    In the title compound, C16H11Cl3N6S·C3H7NO, the seven-membered ring adopts a conformation which is close to the twist-boat form. The molecular components are linked into sheets by a combination of two N-H⋯N hydrogen bonds ...