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  • 1995-1999  (126)
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  • 1
    Keywords: Rutschung ; Submarine Gleitung ; Kontinentalrand ; Massenbewegung, Geomorphologie ; Sedimenttransport ; Sedimentologie ; Meeressediment ; Sedimentation ; Meeresgeologie
    Description / Table of Contents: D. Evans, M. S. Stoker, and A. Cramp: Geological processes on continental margins: sedimentation, mass-wasting and stability: an introduction / Geological Society, London, Special Publications, 129:1-4, doi:10.1144/GSL.SP.1998.129.01.01 --- Tjeerd C. E. Van Weering, Tøve Nielsen, Neil H. Kenyon, Katja Akentieva, and Antoon. H. Kuijpers: Large submarine slides on the NE Faeroe continental margin / Geological Society, London, Special Publications, 129:5-17, doi:10.1144/GSL.SP.1998.129.01.02 --- Mike Reeder, Guy Rothwell, Dorrik A. V. Stow, Gisela Kahler, and Neil H. Kenyon: Turbidite flux, architecture and chemostratigraphy of the Herodotus Basin, Levantine Sea, SE Mediterranean / Geological Society, London, Special Publications, 129:19-41, doi:10.1144/GSL.SP.1998.129.01.03 --- M. R. Dobson, D. O’Leary, and M. Veart: Sediment delivery to the Gulf of Alaska: source mechanisms along a glaciated transform margin / Geological Society, London, Special Publications, 129:43-66, doi:10.1144/GSL.SP.1998.129.01.04 --- R. Holmes, D. Long, and L. R. Dodd: Large-scale debrites and submarine landslides on the Barra Fan, west of Britain / Geological Society, London, Special Publications, 129:67-79, doi:10.1144/GSL.SP.1998.129.01.05 --- Julie E. Armishaw, Richard W. Holmes, and Dorrik A. V. Stow: Morphology and sedimentation on the Hebrides Slope and Barra Fan, NW UK continental margin / Geological Society, London, Special Publications, 129:81-104, doi:10.1144/GSL.SP.1998.129.01.06 --- A. Baltzer, R. Holmes, and D. Evans: Debris flows on the Sula Sgeir Fan, NW of Scotland / Geological Society, London, Special Publications, 129:105-115, doi:10.1144/GSL.SP.1998.129.01.07 --- Michael A. Paul, Lisa A. Talbot, and Martyn S. Stoker: Shallow geotechnical profiles, acoustic character and depositional history in glacially influenced sediments from the Hebrides and West Shetland Slopes / Geological Society, London, Special Publications, 129:117-131, doi:10.1144/GSL.SP.1998.129.01.08 --- D. Marc Audet: Mechanical properties of terrigenous muds from levee systems on the Amazon Fan / Geological Society, London, Special Publications, 129:133-144, doi:10.1144/GSL.SP.1998.129.01.09 --- Thierry Mulder, Bruno Savoye, David J. W. Piper, and James P. M. Syvitski: The Var submarine sedimentary system: understanding Holocene sediment delivery processes and their importance to the geological record / Geological Society, London, Special Publications, 129:145-166, doi:10.1144/GSL.SP.1998.129.01.10 --- T. Nielsen, TJ. C. E. Van Weering, and M. S. Andersen: Cenozoic changes in the sedimentary regime on the northeastern Faeroes margin / Geological Society, London, Special Publications, 129:167-171, doi:10.1144/GSL.SP.1998.129.01.11 --- Lene Clausen: The Southeast Greenland glaciated margin: 3D stratal architecture of shelf and deep sea / Geological Society, London, Special Publications, 129:173-203, doi:10.1144/GSL.SP.1998.129.01.12 --- G. Ercilla, J. Baraza, B. Alonso, and M. Canals: Recent geological processes in the Central Bransfield Basin (Western Antarctic Peninsula) / Geological Society, London, Special Publications, 129:205-216, doi:10.1144/GSL.SP.1998.129.01.13 --- Paul D. Egerton: Seismic characterization of Palaeogene depositional sequences: northeastern Rockall Trough / Geological Society, London, Special Publications, 129:217-228, doi:10.1144/GSL.SP.1998.129.01.14 --- M. S. Stoker: Sediment-drift development on the continental margin off NW Britain / Geological Society, London, Special Publications, 129:229-254, doi:10.1144/GSL.SP.1998.129.01.15 --- Tine L. Rasmussen, Erik Thomsen, and Tjeerd C. E. Van Weering: Cyclic sedimentation on the Faeroe Drift 53-10 ka BP related to climatic variations / Geological Society, London, Special Publications, 129:255-267, doi:10.1144/GSL.SP.1998.129.01.16 --- J. A. Howe, R. Harland, N. M. Hine, and W. E. N. Austin: Late Quaternary stratigraphy and palaeoceanographic change in the northern Rockall Trough, North Atlantic Ocean / Geological Society, London, Special Publications, 129:269-286, doi:10.1144/GSL.SP.1998.129.01.17 --- A. R. Viana and J.-C. Faugères: Upper slope sand deposits: the example of Campos Basin, a latest Pleistocene-Holocene record of the interaction between alongslope and downslope currents / Geological Society, London, Special Publications, 129:287-316, doi:10.1144/GSL.SP.1998.129.01.18 --- Dorrik A. V. Stow and Ali R. Tabrez: Hemipelagites: processes, facies and model / Geological Society, London, Special Publications, 129:317-337, doi:10.1144/GSL.SP.1998.129.01.19 --- I. R. Hall and I. N. McCave: Late Glacial to Recent accumulation fluxes of sediments at the shelf edge and slope of NW Europe, 48–50°N / Geological Society, London, Special Publications, 129:339-350, doi:10.1144/GSL.SP.1998.129.01.20 --- Erratum --- Geological Processes on Continental Margins: Sedimentation, Mass-Wasting and Stability Geological Society Special Publication No. 129 / Geological Society, London, Special Publications, 129:1-2, doi:10.1144/GSL.SP.1998.129.01.22
    Pages: Online-Ressource (355 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 1897799977
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Langmuir 11 (1995), S. 211-213 
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Development genes and evolution 209 (1999), S. 438-442 
    ISSN: 1432-041X
    Keywords: Key words Contact guidance ; Grooved topography ; Myoblasts ; Myogenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Fusion of mononucleated myoblasts into parallel arrays of mutinucleated myotubes is an essential step in skeletal myogenesis. The formation of such a highly ordered structure requires myoblasts to come together, orient and align in the correct location prior to fusion. We report here that fetal and neonatal myoblasts can use topographical features as strong guidance cues in vitro. Myoblasts were cultured on multiple grooved substrata of varying dimensions, and the axial orientations of individual cells were recorded. Both fetal and neonatal myoblasts aligned parallel with the direction of deep grooves (2.3–6.0 µm), which is correlated well with the location of myoblasts in similar sized grooves during secondary myogenesis. Fetal myoblasts also responded to shallower grooves (0.04–0.14 µm) by aligning parallel or perpendicular to the direction of the grooves, indicating the ability of these cells to respond to fine elements normally encountered within the developing muscle architecture. In contrast, neonatal myoblasts failed to respond to shallow grooves, adding to the suggestion that fetal and neonatal myoblasts may represent separate populations of myoblasts. Overall, the results demonstrate that myoblasts respond to large and small features of the physical topography in vitro and indicate that structural elements in the microenvironment of the muscle may play a critical role in myoblast spatial organization during myogenesis.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 55 (1999), S. 1198-1200 
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Crystals have been grown of two of the domains of CD55. This is the first report of crystallization of a short consensus repeat (SCR) domain containing protein. CD55 is a widely expressed polymorphic glycoprotein, which functions as a complement regulator by inhibiting assembly and promoting destruction of C3 and C5 convertases. As a key regulator of complement, CD55 is implicated in the hyperacute rejection of xenografts from pigs into primates. It is also commonly hijacked as a receptor by viruses (e.g. medically important echoviruses and coxsackieviruses) and bacterial pathogens (e.g. certain pathogenic strains of Escherichia coli). Here, crystallization of a virus-binding fragment expressed in yeast, consisting of two of the four extracellular SCR domains of CD55, is reported. The recombinant domains have been crystallized in 30% polyethylene glycol (PEG), 0.2 M sodium acetate, 0.1 M sodium acetate trihydrate pH 4.6 using the sitting-drop vapour-diffusion method. Two crystal forms are observed (orthorhombic and monoclinic) and a native data set to 1.65 Å resolution has been collected from the monoclinic form at the Synchrotron Radiation Source, Daresbury, UK.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 13 (1999), S. 0 
    ISSN: 1747-6593
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: This paper describes a model which was developed to simulate the effect of automated liming on the quality of a Welsh lake (Llyn Brianne) and its outflow river. The objective was to model the amount of lime required to dose the input streams under a variety of conditions. It was concluded that it would be feasible to install automatic-dosing equipment on the two input streams to deliver sufficient lime to ensure that the pH of the lake and water downstream was controlled at a pH value of 6.0 or greater, thus stabilizing water quality for fish and other aquatic biota.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 11 (1997), S. 0 
    ISSN: 1747-6593
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: During recent years, Lima has increasingly had to depend upon the resources of the alluvial aquifer above which it is situated. This paper describes the computer modelling and other studies which were carried out to assess the sustainable yield of the aquifer.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Water and environment journal 11 (1997), S. 0 
    ISSN: 1747-6593
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Human and environmental needs sometimes conflict: the more for the environment, the less for the people and vice versa. Environmental needs include soil water, wetlands, lakes, rivers and estuaries. The paper recognizes that all these aspects must be catered for, but focuses on the flow needs of rivers; in particular, it suggests a method to determine river-flow targets which are objective, sustainable, integrated with river-quality characteristics and economically justified. Such targets could help the Environment Agency to balance human and environmental water needs in a rational manner.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 47 (1995), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Nonspecific cytotoxic cells (NCC) may comprise an important effector population specific for recognition of aberrant (tumour) cells, regulation of cell interactions including antibacterial action and lysis of protozoan parasites. In the present study, peptides were synthesized based on the amino acid sequence of a novel protein (Natural Killer cell Target Antigen, NK Tag) found on the protozoan parasite Tetrahymena pyriformis and on NCC-sensitive tumour target cells. Partially purified NK Tag was obtained from Tetrahymena. It inhibited NCC lysis of a large variety of mammalian tumour target cells. Synthetic peptides composed of short 20 mer sequences obtained from the N-terminal and midregion portions of NK Tag were tested for their ability to inhibit NCC cytotoxicity. Synthetic peptide comprised of aa # 55-74 significantly inhibited NCC lysis of IM-9 target cells. A monoclonal antibody generated against an N-terminal dodecapeptide of NK Tag bound to Tetrahymena and to several mammalian NK-sensitive target cells including K562, YAC-1, U937, NC-37, EL-4, IM-9, HL-60 and MOLT-4. NK Tag sequence comparisons using Swisspro database revealed no significant homologies except in a restricted domain region of several glycolytic pathway enzymes. A supergene family relationship was indicated because of these similarities.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 108 (1998), S. 6387-6393 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The short-time charge transfer evolution following photoexcitation in mixed valence compounds is studied using path integral calculations. Due to the large nonadiabatic coupling, path integral calculations using direct path summation techniques are inadequate, and charge transfer dynamics can only be computed using a transfer matrix technique developed by Makri and Makarov. The resulting relaxation is considerably slower than that predicted by low-order perturbation theory. The effects of the solvent on the decay process, and the validity of the golden rule to predict the dynamics of the decay process are investigated. The effects of preparing an initial state that is not a rovibrational state of the acceptor potential energy surface is also examined. These exact calculations show that the large electronic mixing gives rise to very fast oscillations in the electronic state population as the wave function oscillates coherently between the donor and acceptor. This is followed by a slower relaxation induced by the coupling to the dissipative solvent modes, which occurs on time scales ≤100 fs. This information provides insight into the mechanism for oscillations observed in time-resolved transient spectra of these compounds, and suggests substantial limitations of the golden rule picture. © 1998 American Institute of Physics.
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  • 10
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The components of actual and potential seed yield were examined in field experiments on a wide range of varieties of white clover (Trifolium repens L.). The factors affecting seed yield under conditions typical of management regimes used in the production of commercial seed crops were assessed in two experiments. In the first, carried out on spaced plants, considerable diferences are shown between six varieties across the range of leaf sizes in the distribution and profuseness of inflorescence production through the flowering season. In the second, carried out in plots, typical on-farm criteria were used to choose a single harvest date. Significant variation was found between varieties, including representatives of different leaf size categories, for seed yield components that include number of inflorescences m−2, number of florets per inflorescence and harvestable seed weight. Large-leaved varieties tended to produce more seeds per floret and higher seed weights per inflorescence, whereas small-leaved varieties gave the highest number of inflorescences −2. However, the small-leaved variety AderDale, selected for strong peduncles, was exceptional, giving high values for all seed yield components. The impact of weather conditions on many seed yield components (e.g. total number of inflorescences) was demonstrated by the differences between the 2 years of the experiment. However, other characterstics, e.g. number of florets per inflorescence and number of seeds per floret, did not vary between years. Deviations from potential seed yield were assessed fromthe perspective of commerical seed production. The implications of these results for the production of white clover varieties with increased seed yields under UK conditions are discussed.
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