Now showing items 1-20 of 149

    • Influence of a partially oxidized calcium cathode on the performance of polymeric light emitting diodes 

      Andersson, Gunther; de Jong, M P; Janssen, F J J; Sturm, J M; van Ijzendoorn, L J; Denier van der Gon, A W; de Voigt, M J A; Brongersma, H H (American Institute of Physics, 2001)
      We investigated the influence of the presence of oxygen during the deposition of the calcium cathode on the structure and on the performance of polymeric light emitting diodes (pLEDs). The oxygen background pressure during ...
    • Monitoring EDTA and endogenous metabolite biomarkers from serum with mass spectrometry 

      Lowe, Rachel D; Go, Eden P; Tong, Grace C; Voelcker, Nicolas Hans; Siuzdak, Gary (Hindawi, 2005)
      We describe a quantitative method for the determination of ethylenediaminetetraacetic acid (EDTA) in human serum by gas chromatography mass spectrometry (GC-MS), liquid chromatography electrospray ionisation tandem mass ...
    • Cross sections for electron impact excitation of the C 1 and D 1+ electronic states in N2O 

      Kawahara, H; Suzuki, Daisuke; Kato, H; Hoshino, M; Tanaka, Hiroshi; Ingolfsson, Oddur; Campbell, Laurence; Brunger, Michael James (American Institute of Physics, 2009)
      Differential and integral cross sections for electron-impact excitation of the dipole-allowed C 1Π and D 1Σ+ electronic states of nitrous oxide have been measured. The differential cross sections were determined by analysis ...
    • Photoionization efficiency spectroscopy and density functional theory investigations of RhHo2On (n=0-2) clusters 

      Gentleman, Alexander S; Addicoat, Matthew A; Dryza, Viktoras; Gascooke, Jason; Buntine, Mark A; Metha, Gregory Francis (American Institute of Physics, 2009)
      The experimental and theoretical adiabatic ionization energies (IEs) of the rhodium-holmium bimetallic clusters RhHo2On (n=0–2) have been determined using photoionization efficiency spectroscopy and density functional ...
    • Differential and integral cross sections for elastic electron scattering from CF2 

      Francis-Staite, Jessica; Maddern, Todd Michael; Brunger, Michael James; Buckman, Stephen J; Winstead, Carl; McKoy, Vincent; Bolorizadeh, Mohammad Agha; Cho, Hyuck (The American Physical Society, 2009)
      We report the results of measurements and calculations of differential and integral cross sections for elastic electron scattering from the CF2 molecular radical. The energy range of the present investigation was 2–20 eV, ...
    • Integral cross sections for electron-impact excitation of the 4 2P state in copper 

      Suvorov, V; Teubner, Peter John; Karaganov, Victor; Ratnavelu, K; Zhou, Y; Brunger, Michael James (The American Physical Society, 2009)
      We report integral cross sections for electron-impact excitation of the 4 2P state in copper for incident electrons with energies in the range from threshold to 100 eV. Measurements, based on an optical excitation function ...
    • Using a fully coupled surface water - groundwater model to quantify streamflow components 

      Partington, Dan J; Werner, Adrian D; Brunner, Philip Andreas; Simmons, Craig Trevor; Dandy, Graeme C; Maier, Holger R (Modelling and Simulation Society of Australia and New Zealand, 2009)
      Separation of streamflow components into quickflow and baseflow is usually carried out in two main ways: hydrograph recession analysis and tracer-based methods. In this paper, it is proposed to use a fully coupled surface ...
    • A Fundamental Study Into the Surface Functionalization of Soft Glass Microstructured Optical Fibers via Silane Coupling Agents 

      Debs, John; Ebendorff-Heidepriem, Heike; Quinton, Jamie Scott; Monro, Tanya (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2009)
      A method for the functionalization of surfaces within soft glass microstructured optical fibers has been developed, using self assembled monolayers (SAMs) of silane coupling agents. We demonstrate the use of measurements ...
    • Regional GHS implementation strategy for ASEAN 

      Choo Ta, Goh; Bin Mokhtar, Mazlin; Peterson, Peter John; Bin Yahaya, Nadzri (Institut Kimia Malaysia, 2009)
      It is essential for the safe use of chemicals to classify them according to their hazards. Different degrees of hazard must be identified based on specific cut-off values. After chemicals have been classified, they should ...
    • Onset of carbon-carbon bonding in the Nb5Cy (y = 0-6) clusters: a threshold photo-ionisation and density functional theory study 

      Dryza, Viktoras; Gascooke, Jason; Buntine, Mark A; Metha, Gregory Francis (Royal Society of Chemistry, 2009)
      We have used photo-ionisation efficiency spectroscopy to determine the ionisation potentials (IPs) of the niobium–carbide clusters, Nb5Cy (y = 0–6). Of these clusters Nb5C2 and Nb5C3 exhibit the lowest IPs. Complementary ...
    • Electron-scattering cross sections for collisions with tetrahydrofuran from 50 to 5000 eV 

      Fuss, Martina C; Munoz, Antonio; Oller, Juan Carlos; Blanco, Francisco; Almeida, Diogo; Limao-Vieira, Paulo; Do, Thi Phuong Thao; Brunger, Michael James; Garcia, Gustavo (The American Physical Society, 2009)
      In this paper, we report on total electron tetrahydrofuran (C4H8O) scattering cross-section measurements for energies in the range from 50 to 5000 eV with experimental errors of about 5%. In addition, integral elastic and ...
    • Measuring the internal energy content of molecules transported across the liquid-gas interface 

      Maselli, Olivia J; Gascooke, Jason; Lawrance, Warren Donald; Buntine, Mark A (IOP Publishing, 2009)
      Many details concerning the mechanism associated with the liberation of molecules from a liquid surface remain to be elucidated. We use the liquid microjet technique coupled with laser spectroscopy to measure the rotational ...
    • Total cross sections for positron scattering from H2 at low energies 

      Zecca, Antonio; Chiari, Luca; Sarkar, Anindya; Nixon, Kate Louise; Brunger, Michael James (The American Physical Society, 2009)
      This paper revisits positron scattering from molecular hydrogen, in an attempt to provide accurate total cross-section data against which theoretical calculations might be benchmarked. The present data were measured over ...
    • Improved method for atomic force microscope cantilever calibration 

      Slattery, Ashley; Gibson, Christopher; Quinton, Jamie Scott (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      The development of an improved method for calibrating AFM cantilevers is presented, based on the Cleveland method. A masking technique is used to deposit gold on the very end of the cantilever, and the shift in resonant ...
    • Radio frequency SF6 plasma modified single-walled carbon nanotubes: Synchrotron spectroscopy and plasma characterisation studies 

      Barlow, Anders Jack; Quinton, Jamie Scott (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      Single-Walled Carbon Nanotubes are fluorinated within a Radio-Frequency Plasma Reactor using SF6 as a source gas. To develop an understanding of how varying experimental parameters affect the plasma, and hence the resultant ...
    • Optimising surfactant aided dispersions of carbon nanotubes in aqueous solution 

      Blanch, Adam J; Lenehan, Claire Elizabeth; Quinton, Jamie Scott (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      Dispersion of carbon nanotubes in water with the aid of surfactants is becoming common practice, however methodologies vary greatly among the literature. Here the variables of sonication type, length of processing time and ...
    • Peptide modified SWNT array-based copper sensor 

      Nambiar, Monessha; Shapter, Joseph George (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      A vertically aligned nanotube (NT) array platform with peptide-modified ends is used for sensing metal ions in aqueous environments. The NT arrays were assembled on gold substrates and characterised using confocal Raman ...
    • Photocurrent response from vertically aligned single-walled carbon nanotube arrays 

      Bissett, Mark; Koper, Ingo; Shapter, Joseph George (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      Vertically-aligned arrays of single walled carbon nanotubes were created on an optically transparent electrode (FTO glass) these arrays were found to exhibit a prompt current and voltage when exposed to light. These cells ...
    • Simple surface modification of poly(dimethylsiloxane) for DNA hybridization 

      Zhou, Jinwen; Voelcker, Nicolas Hans; Ellis, Amanda Vera (American Institute of Physics, 2010)
      Here, we present a simple chemical modification of poly(dimethylsiloxane) (PDMS) by curing a mixture of 2 wt% undecylenic acid (UDA) in PDMS prepolymer on a gold-coated glass slide. This gold slide had been previously ...
    • Controlling the surface functionalities of nanoporous alumina membranes 

      Jani, Abdul Mutalib; Kempson, Ivan; Losic, Dusan; Voelcker, Nicolas Hans (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      A new approach for controlling and to functionalise nanoporous anodic alumina oxide (AAO) membranes is described. Our approach is predicated on the remarkable stability of the silanised AAO surface during anodisation. Well ...