Search Results - "Griffiths, D A"

On the use of radon for quantifying the effects of atmospheric stability on urban emissions by Chambers, S. D, Williams, A. G, Crawford, J, Griffiths, A. D

“…Radon is increasingly being used as a tool for quantifying stability influences on urban pollutant concentrations. Bulk radon gradients are ideal for this…”
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Characterising terrestrial influences on Antarctic air masses using Radon-222 measurements at King George Island by Chambers, S. D, Hong, S.-B, Williams, A. G, Crawford, J, Griffiths, A. D, Park, S.-J

“…We report on one year of high-precision direct hourly radon observations at King Sejong Station (King George Island) beginning in February 2013. Findings are…”
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A map of radon flux at the Australian land surface by Griffiths, A. D., Zahorowski, W., Element, A., Werczynski, S.

“…A time-dependent map of radon-222 flux density at the Australian land surface has been constructed with a spatial resolution of 0.05° and temporal resolution…”
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Surface-to-mountaintop transport characterised by radon observations at the Jungfraujoch by Griffiths, A. D, Conen, F, Weingartner, E, Zimmermann, L, Chambers, S. D, Williams, A. G, Steinbacher, M

“…Atmospheric composition measurements at Jungfraujoch are affected intermittently by boundary-layer air which is brought to the station by processes including…”
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Radon activity in the lower troposphere and its impact on ionization rate: a global estimate using different radon emissions by Zhang, K., Feichter, J., Kazil, J., Wan, H., Zhuo, W., Griffiths, A. D., Sartorius, H., Zahorowski, W., Ramonet, M., Schmidt, M., Yver, C., Neubert, R. E. M., Brunke, E.-G.

“…The radioactive decay of radon and its progeny can lead to ionization of air molecules and consequently influence aerosol size distribution. In order to…”
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Improved mixing height monitoring through a combination of lidar and radon measurements by Griffiths, A. D, Parkes, S. D, Chambers, S. D, McCabe, M. F, Williams, A. G

“…Surface-based radon (222Rn) measurements can be combined with lidar backscatter to obtain a higher quality time series of mixing height within the planetary…”
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Directed evolution of an extremely fast phosphotriesterase by in vitro compartmentalization by Griffiths, Andrew D., Tawfik, Dan S.

“…We describe the selection of a phosphotriesterase with a very fast kcat (over 105 s−1), 63 times higher than the already very efficient wild‐type enzyme. The…”
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Constraining annual and seasonal radon-222 flux density from the Southern Ocean using radon-222 concentrations in the boundary layer at Cape Grim by Zahorowski, W., Griffiths, A. D., Chambers, S. D., Williams, A. G., Law, R. M., Crawford, J., Werczynski, S.

“…Radon concentrations measured between 2001 and 2008 in marine air at Cape Grim, a baseline site in north-western Tasmania, are used to constrain the radon flux…”
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Man-made cell-like compartments for molecular evolution by Tawfik, Dan S, Griffiths, Andrew D

“…Cellular compartmentalization is vital for the evolution of all living organisms. Cells keep together the genes, the RNAs and proteins that they encode, and…”
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Cooperation between interleukin-5 and the chemokine eotaxin to induce eosinophil accumulation in vivo by Collins, P D, Marleau, S, Griffiths-Johnson, D A, Jose, P J, Williams, T J

“…Experiments were designed to study the effect of systemically administered IL-5 on local eosinophil accumulation induced by the intradermal injection of the…”
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Gallium nitride micro-light-emitting diode structured light sources for multi-modal optical wireless communications systems by Griffiths, A D, Herrnsdorf, J, McKendry, J J D, Strain, M J, Dawson, M D

“…Gallium nitride-based light-emitting diodes (LEDs) have revolutionized the lighting industry with their efficient generation of blue and green light. While…”
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Simulations of separated flow over two-dimensional hills by Griffiths, A.D., Middleton, J.H.

“…Simulations of separated flow over smooth two-dimensional sinusoidal hills were performed, for hills of varying aspect ratio, using the atmospheric model…”
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By-passing immunization. Human antibodies from V-gene libraries displayed on phage by Marks, J D, Hoogenboom, H R, Bonnert, T P, McCafferty, J, Griffiths, A D, Winter, G

“…We have mimicked features of immune selection to make human antibodies in bacteria. Diverse libraries of immunoglobulin heavy (VH) and light (V kappa and V…”
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Eotaxin : a potent eosinophil chemoattractant cytokine detected in a guinea pig model of allergic airways inflammation by JOSE, P. J, GRIFFITHS-JOHNSON, D. A, COLLLINS, P. D, WALSH, D. T, MOQBEL, R, TOTTY, N. F, TRUONG, O, HSUAN, J. J, WILLIAMS, T. J

“…Eosinophil accumulation is a prominent feature of allergic inflammatory reactions, such as those occurring in the lung of the allergic asthmatic, but the…”
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Direct integration of micro-LEDs and a SPAD detector on a silicon CMOS chip for data communications and time-of-flight ranging by Carreira, J F C, Griffiths, A D, Xie, E, Guilhabert, B J E, Herrnsdorf, J, Henderson, R K, Gu, E, Strain, M J, Dawson, M D

“…We present integration of singulated micron-sized light emitting diodes (micro-LEDs) directly onto a silicon CMOS drive chip using a transfer printing method…”
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Altering the sequence specificity of HaeIII methyltransferase by directed evolution using in vitro compartmentalization by Cohen, Helen M., Tawfik, Dan S., Griffiths, Andrew D.

“…Engineering the specificity of DNA‐modifying enzymes has proven extremely challenging, as sequence recognition by these enzymes is poorly understood. Here we…”
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Phage antibodies: filamentous phage displaying antibody variable domains by McCafferty, John, Griffiths, Andrew D, Winter, Greg, Chiswell, David J

“…New ways of making antibodies have recently been demonstrated using gene technology. Immunoglobulin variable (V) genes are amplified from hybridomas or B cells…”
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Membraneless glucose/O2 microfluidic biofuel cells using covalently bound enzymes by Beneyton, T, Wijaya, I Putu Mahendra, Salem, C Ben, Griffiths, A D, Taly, V

“…We developed a new covalent enzyme immobilization technique compatible with lithography processes. Carbon nanotube electrodes patterned on glass slides were…”
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Potential for non-destructive astrochemistry using the ExoMars PanCam by Storrie‐Lombardi, Michael C., Muller, J.‐P., Fisk, M. R., Griffiths, A. D., Coates, A. J.

“…We investigate the utility of adding a 365 nm ultraviolet (UV) light source to the ExoMars panoramic camera (PanCam) scheduled for launch in 2013. The…”
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Isolation of high affinity human antibodies directly from large synthetic repertoires by Griffiths, A.D., Williams, S.C., Hartley, O., Tomlinson, I.M., Waterhouse, P., Crosby, W.L., Kontermann, R.E., Jones, P.T., Low, N.M., Allison, T.J.

“…Antibody fragments of moderate affinity (approximately microM) can be isolated from repertoires of approximately 10(8) immunoglobulin genes by phage display…”
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