Now showing items 90-109 of 875

  • Chemically specific imaging and in-situ chemical analysis of articular cartilage with stimulated Raman scattering 

    Mansfield, Jessica; Moger, Julian; Green, Ellen; Moger, C; Winlove, C. Peter (Wiley-VCH Verlag, 2013-01-10)
    Stimulated Raman scattering (SRS) has been applied to unstained samples of articular cartilage enabling the investigation of living cells within fresh tissue. Hyperspectral SRS measurements over the CH vibrational region ...
  • Chemico mechanical imaging of Barrett's oesophagus 

    Palombo, F; Madami, M; Fioretto, D; Nallala, J; Barr, H; David, A; Stone, N (Wiley-VCH Verlag, 2016)
    Barrett’s oesophagus is a condition characterized by a change in the lining of the oesophagus that markedly increases the risk of adenocarcinoma. We demonstrate the first site-matched application of Brillouin microscopy, ...
  • Chemico-mechanical imaging of Barrett’s oesophagus 

    Palombo, F; Madami, M; Fioretto, D; Nallala, J; Barr, H; David, A; Stone, N (Wiley-VCH Verlag, 2016-04-19)
    Barrett’s oesophagus is a condition characterized by a change in the lining of the oesophagus that markedly increases the risk of adenocarcinoma. We demonstrate the first site-matched application of Brillouin microscopy, ...
  • CHIMPS: the 13CO/C18O (J = 3 → 2) Heterodyne Inner Milky Way Plane Survey 

    Rigby, AJ; Moore, TJT; Plume, R; Eden, DJ; Urquhart, JS; Thompson, MA; Mottram, JC; Brunt, CM; Butner, HM; Dempsey, JT; Gibson, SJ; Hatchell, J; Jenness, T; Kuno, N; Longmore, SN; Morgan, LK; Polychroni, D; Thomas, H; White, GJ; Zhu, M (Oxford University Press, 2016-03-01)
    We present the 13CO/C18O (J = 3 → 2) Heterodyne Inner Milky Way Plane Survey (CHIMPS) which has been carried out using the Heterodyne Array Receiver Program on the 15 m James Clerk Maxwell Telescope (JCMT) in Hawaii. The ...
  • Chitosan amphiphile coating of peptide nanofibres reduces liver uptake and delivers the peptide to the brain on intravenous administration. 

    Lalatsa, A; Schätzlein, Andreas G.; Briggs, M; Godfrey, L; Iannitelli, A; Uchegbu, Ijeoma F.; Garrett, Natalie; Moger, Julian; Freeman, Jay (Elsevier, 2015-01-10)
    The clinical development of neuropeptides has been limited by a combination of the short plasma half-life of these drugs and their ultimate failure to permeate the blood brain barrier. Peptide nanofibres have been used to ...
  • Circularly polarized colour reflection from helicoidal structures in the beetle Plusiotis boucardi 

    Jewell, Sharon A.; Vukusic, Peter; Roberts, N. W. (Institute of Physics and Deutsche Physikalische Gesellschaft, 2007)
    A detailed optical study of the iridescent outer-shell of the beetle Plusiotis boucardi has revealed a novel microstructure which controls both the polarization and wavelength of reflected light. A previously unreported ...
  • Classification of fracture and non-fracture groups by analysis of coherent X-ray scatter. 

    Dicken, AJ; Evans, JP; Rogers, KD; Stone, N; Greenwood, C; Godber, SX; Clement, JG; Lyburn, ID; Martin, RM; Zioupos, P (Nature Publishing Group, 2016-07-01)
    Osteoporotic fractures present a significant social and economic burden, which is set to rise commensurately with the aging population. Greater understanding of the physicochemical differences between osteoporotic and ...
  • Classification of peacock feather reflectance using principal component analysis similarity factors from multispectral imaging data 

    Medina, JM; Díaz, JA; Vukusic, P (Optical Society of America, 2015-04-20)
    Iridescent structural colors in biology exhibit sophisticated spatially-varying reflectance properties that depend on both the illumination and viewing angles. The classification of such spectral and spatial information ...
  • Clostridium perfringens epsilon toxin H149A mutant as a platform for receptor binding studies 

    Bokori-Brown, Monika; Kokkinidou, Maria C.; Savva, Christos G.; Fernandes da Costa, Sérgio P.; Naylor, Claire E.; Cole, Ambrose R.; Moss, David S.; Basak, Ajit K.; Titball, Richard W. (Wiley, 2013-05)
    Clostridium perfringens epsilon toxin (Etx) is a pore-forming toxin responsible for a severe and rapidly fatal enterotoxemia of ruminants. The toxin is classified as a category B bioterrorism agent by the U.S. Government ...
  • Clostridium perfringens α-toxin interaction with red cells and model membranes. 

    Jewell, Sharon A.; Titball, Richard W.; Huyet, J; Naylor, Claire E.; Basak, Ajit K.; Gologan, Petre; Winlove, C. Peter; Petrov, Peter G. (Royal Society of Chemistry, 2015-08-18)
    The effects of Clostridium perfringens α-toxin on host cells have previously been studied extensively but the biophysical processes associated with toxicity are poorly understood. The work reported here shows that the ...
  • Cloudless atmospheres for L/T dwarfs and extra-solar giant planets 

    Tremblin, Pascal; Amundsen, David S.; Chabrier, G.; Baraffe, I.; Drummond, B.; Hinkley, Sasha; Mourier, P.; Venot, O. (American Astronomical Society, 2016-01-28)
    The admitted, conventional scenario to explain the complex spectral evolution of brown dwarfs (BD) since their first detections twenty years ago, has always been the key role played by micron-size condensates, called "dust" ...
  • CO abundance variations in the Orion molecular cloud 

    Ripple, F; Heyer, MH; Gutermuth, R; Snell, RL; Brunt, CM (Oxford University Press, 2013-03-19)
    Infrared stellar photometry from the Two Micron All-Sky Survey (2MASS) and spectral line imaging observations of 12CO and 13CO J = 1-0 line emission from the Five College Radio Astronomy Observatory (FCRAO) 14-m telescope ...
  • Coexisting Nematic and Smectic- A Phases in a Twisted Liquid-Crystal Cell 

    Ruan, Lizhen; Osipov, M. A.; Sambles, J. Roy (American Physical Society, 2001)
    Twisted homogeneously planar-aligned nematic liquid-crystal cells are cooled into the smectic- A phase. The expected defective structure does not form. Instead the cells still show good optical-guiding characteristics. ...
  • Coherence and measurement in quantum thermodynamics 

    Anders, Janet (Nature Publishing Group, 2016-02-26)
    Thermodynamics is a highly successful macroscopic theory widely used across the natural sciences and for the construction of everyday devices, from car engines to solar cells. With thermodynamics predating quantum theory, ...
  • Coherent nonlinear optical response of graphene 

    Hendry, Euan; Hale, Peter J.; Moger, Julian; Savchenko, A.K.; Mikhailov, S.A. (American Physical Society, 2010)
    We investigate the nonlinear optical properties of graphene flakes using four-wave mixing. The corresponding third-order optical susceptibility is found to be remarkably large and only weakly dependent on the wavelength ...
  • Coherent particle transfer in an on-demand single-electron source 

    Keeling, J.; Shytov, A.V.; Levitov, L.S. (American Physical Society, 2008)
    Electron transfer from a localized state in a quantum dot into a ballistic conductor generally results in particle-hole excitations. We study this effect, considering a resonance level with time-dependent energy coupled ...
  • Coherent phonon modes of crystalline and amorphous Ge2Sb2Te5 thin films: A fingerprint of structure and bonding 

    Shalini, Ashawaraya; Liu, Y.; Katmis, F.; Braun, W.; Srivastava, G.P.; Hicken, R.J. (American Institute of Physics (AIP), 2015)
    Femtosecond optical pump-probe measurements have been made upon epitaxial, polycrystalline, and amorphous thin films of Ge2Sb2Te5 (GST). A dominant coherent optical phonon mode of 3.4 THz frequency is observed in time-resolved ...
  • Collagen fiber arrangement in normal and diseased cartilage studied by polarization sensitive nonlinear microscopy 

    Mansfield, Jessica; Winlove, C. Peter; Moger, Julian; Matcher, Steve J. (Society of Photo-optical Instrumentation Engineers (SPIE), 2008)
    Second harmonic generation (SHG) and two-photon fluorescence (TPF) microscopy is used to image the intercellular and pericellular matrix in normal and degenerate equine articular cartilage. The polarization sensitivity of ...
  • Collapse of a molecular cloud core to stellar densities: stellar-core and outflow formation in radiation magnetohydrodynamic simulations 

    Bate, Matthew R.; Tricco, Terrence S.; Price, Daniel J. (Oxford University Press, 2013-11-07)
    We have performed smoothed particle radiation magnetohydrodynamic simulations of the collapse of rotating, magnetized molecular cloud cores to form protostars. The calculations follow the formation and evolution of the ...
  • Collective resonances in gold nanoparticle arrays 

    Auguié, Baptiste; Barnes, William L. (American Physical Society, 2008)
    We present experimental evidence of sharp spectral features in the optical response of 2D arrays of gold nanorods. A simple coupled dipole model is used to describe the main features of the observed spectral line shape. ...