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  • 1
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    Recent Advances in Lower Carboniferous Geology (1996)
    London : The Geological Society
    Details
    Keywords: Unterkarbon ; Unteres Karbon ; Carboniferous ; Estratigrafia ; Europe ; Geology ; Geology, Stratigraphic ; Mississippian ; New Mexico
    Description / Table of Contents: Peter Strogen, Ian D. Somerville, and Gareth Ll. Jones: Preface / Geological Society, London, Special Publications, 107:vii-ix, doi:10.1144/GSL.SP.1996.107.01.01 --- Mineralization, Hydrocarbons and Diagenesis --- J. D. Johnston, D. Coller, G. Millar, and M. F. Critchley: Basement structural controls on Carboniferous-hosted base metal mineral deposits in Ireland / Geological Society, London, Special Publications, 107:1-21, doi:10.1144/GSL.SP.1996.107.01.02 --- E. Shearley, P. Redmond, M. King, and R. Goodman: Geological controls on mineralization and dolomitization of the Lisheen Zn-Pb-Ag deposit, Co. Tipperary, Ireland / Geological Society, London, Special Publications, 107:23-33, doi:10.1144/GSL.SP.1996.107.01.03 --- Cathy Hollis, Gordon Walkden, and Cathy Hollis: The use of burial diagenetic calcite cements to determine the controls upon hydrocarbon emplacement and mineralization on a carbonate platform, Derbyshire, England / Geological Society, London, Special Publications, 107:35-49, doi:10.1144/GSL.SP.1996.107.01.04 --- C. Veale and J. Parnell: Metal-organic interactions in the Dinantian Solway Basin, UK: inferences for oil migration studies / Geological Society, London, Special Publications, 107:51-63, doi:10.1144/GSL.SP.1996.107.01.05 --- Carbonate Buildups and Waulsortian Mud-Mounds --- Neil A. H. Pickard: Evidence for microbial influence on the development of Lower Carboniferous buildups / Geological Society, London, Special Publications, 107:65-82, doi:10.1144/GSL.SP.1996.107.01.06 --- Wayne M. Ahr and Robert J. Stanton, Jr.: Constituent composition of Early Mississippian carbonate buildups and their level-bottom equivalents, Sacramento Mountains, New Mexico / Geological Society, London, Special Publications, 107:83-95, doi:10.1144/GSL.SP.1996.107.01.07 --- Kent C. Kirkby and Dave Hunt: Episodic growth of a Waulsortian buildup: the Lower Carboniferous Muleshoe Mound, Sacramento Mountains, New Mexico, USA / Geological Society, London, Special Publications, 107:97-110, doi:10.1144/GSL.SP.1996.107.01.08 --- David L. Jeffery and Robert J. Stanton, Jr.: Biotic gradients on a homoclinal ramp: the Alamogordo Member of the Lake Valley Formation, Lower Mississippian, New Mexico, USA / Geological Society, London, Special Publications, 107:111-126, doi:10.1144/GSL.SP.1996.107.01.09 --- Ian D. Somerville, Peter Strogen, Gareth LL. Jones, and H. E. Anne Somerville: Late Viséan buildups at Kingscourt, Ireland: possible precursors for Upper Carboniferous bioherms / Geological Society, London, Special Publications, 107:127-144, doi:10.1144/GSL.SP.1996.107.01.10 --- Sergio Rodríguez: Development of coral reef-facies during the Viséan at Los Santos de Maimona, SW Spain / Geological Society, London, Special Publications, 107:145-152, doi:10.1144/GSL.SP.1996.107.01.11 --- Siliciclastic Rocks --- Carmen Moreno, Sonia Sierra, and Reinaldo Sáez: Evidence for catastrophism at the Famennian-Dinantian boundary in the Iberian Pyrite Belt / Geological Society, London, Special Publications, 107:153-162, doi:10.1144/GSL.SP.1996.107.01.12 --- Kelly Maguire, Jillian Thompson, and Stuart Gowland: Dinantian depositional environments along the northern margin of the Solway Basin, UK / Geological Society, London, Special Publications, 107:163-182, doi:10.1144/GSL.SP.1996.107.01.13 --- John R. Graham: Dinantian river systems and coastal zone sedimentation in northwest Ireland / Geological Society, London, Special Publications, 107:183-206, doi:10.1144/GSL.SP.1996.107.01.14 --- Carbonate Platforms and Ramps --- Giancarlo Rizzi, Colin J. R. Braithwaite, and Giancarlo Rizzi: Cyclic emersion surfaces and channels within Dinantian limestones hosting the giant Navan Zn-Pb deposit, Ireland / Geological Society, London, Special Publications, 107:207-219, doi:10.1144/GSL.SP.1996.107.01.15 --- A. D. Horbury and A. E. Adams: Microfacies associations in Asbian carbonates: an example from the Urswick Limestone Formation of the southern Lake District, northern England / Geological Society, London, Special Publications, 107:221-237, doi:10.1144/GSL.SP.1996.107.01.16 --- Stephen J. Gallagher: The stratigraphy and cyclicity of the late Dinantian platform carbonates in parts of southern and western Ireland / Geological Society, London, Special Publications, 107:239-251, doi:10.1144/GSL.SP.1996.107.01.17 --- John G. Kelly: Initiation, growth and decline of a tectonically controlled Asbian carbonate ramp: Cuilcagh Mountain area, NW Ireland / Geological Society, London, Special Publications, 107:253-262, doi:10.1144/GSL.SP.1996.107.01.18 --- P. Strogen, I. D. Somerville, N. A. H. Pickard, G. LL. Jones, and M. Fleming: Controls on ramp, platform and basinal sedimentation in the Dinantian of the Dublin Basin and Shannon Trough, Ireland / Geological Society, London, Special Publications, 107:263-279, doi:10.1144/GSL.SP.1996.107.01.19 --- Simon Vanstone: The influence of climatic change on exposure surface development: a case study from the Late Dinantian of England and Wales / Geological Society, London, Special Publications, 107:281-301, doi:10.1144/GSL.SP.1996.107.01.20 --- Basinal Facies --- Hans-Jürgen Gursky: Siliceous rocks of the Culm Basin, Germany / Geological Society, London, Special Publications, 107:303-314, doi:10.1144/GSL.SP.1996.107.01.21 --- Zdzislaw Belka, Stanislaw Skompski, and Janina Sobon-Podgorska: Reconstruction of a lost carbonate platform on the shelf of Fennosarmatia: evidence from Viséan polymictic debrites, Holy Cross Mountains, Poland / Geological Society, London, Special Publications, 107:315-329, doi:10.1144/GSL.SP.1996.107.01.22 --- D. Naylor, G. D. Sevastopulo, and A. G. Sleeman: Contemporaneous erosion and reworking within the Dinantian of the South Munster Basin / Geological Society, London, Special Publications, 107:331-343, doi:10.1144/GSL.SP.1996.107.01.23 --- J. G. Rees, J. D. Cornwell, Z. K. Dabek, and R. J. Merriman: The Apedale tuffs, North Staffordshire: probable remnants of a late Asbian/Brigantian (P1a) volcanic centre / Geological Society, London, Special Publications, 107:345-357, doi:10.1144/GSL.SP.1996.107.01.24 --- Faunas, Floras and Biostratigraphy --- Mariya KH. Makhlina: Cyclic stratigraphy, facies and fauna of the Lower Carboniferous (Dinantian) of the Moscow Syneclise and Voronezh Anteclise / Geological Society, London, Special Publications, 107:359-364, doi:10.1144/GSL.SP.1996.107.01.25 --- G. A. Rukina: Sequence biostratigraphy of the Tournaisian-Lower Viséan rocks of the Russian Platform / Geological Society, London, Special Publications, 107:365-369, doi:10.1144/GSL.SP.1996.107.01.26 --- G. LL. Jones and I. D. Somerville: Irish Dinantian biostratigraphy: practical applications / Geological Society, London, Special Publications, 107:371-385, doi:10.1144/GSL.SP.1996.107.01.27 --- O. A. Lebedev: Fish assemblages in the Tournaisian-Viséan environments of the East European Platform / Geological Society, London, Special Publications, 107:387-415, doi:10.1144/GSL.SP.1996.107.01.28 --- A. Ivanov: The Early Carboniferous chondrichthyans of the South Urals, Russia / Geological Society, London, Special Publications, 107:417-425, doi:10.1144/GSL.SP.1996.107.01.29 --- David A. T. Harper and Anna L. Jeffrey: Mid-Dinantian brachiopod biofacies from western Ireland / Geological Society, London, Special Publications, 107:427-436, doi:10.1144/GSL.SP.1996.107.01.30 --- Jim Smith: A palynofacies analysis of the Dinantian (Asbian) Glenade Sandstone Formation of the Leitrim Group, northwest Ireland / Geological Society, London, Special Publications, 107:437-448, doi:10.1144/GSL.SP.1996.107.01.31
    Pages: Online-Ressource (IX, 463 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 1897799586
    URL: http://sp.lyellcollection.org/content/107/1
    Language: English
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    E-BOOK
  • 2
    Electronic Resource
    Electronic Resource
    Intercellular adhesion: Modification by dielectric properties of the medium (1974)
    Springer
    The journal of membrane biology 16 (1974), S. 297-312 
    Details
    ISSN: 1432-1424
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Summary The low radio frequency dielectric constant of aqueous solutions of glycine, diglycine,d-sorbitol, Dextran and Ficoll were determined. These values were used to predict the dielectric constant of Hanks-199 tissue culture medium to which various concentrations of these compounds had been added. Single cell dispersions of two chick embryonic tissues, 7-day neural retina and 5-day limb bub, were prepared in tissue culture media of varying dielectric constant. Selected cell dispersions were examined by means of particle electrophoresis and the observations of zeta potentials were interpreted as showing that no significant adsorption of added compounds in the media was occurring onto the cell membranes. Cell suspensions in media of a range of dielectric constant were subjected to a laminar flow shear gradient in a couette viscometer effecting aggregation of these suspensions. This method allowed a calculation of the total energy of adhesive interaction of the cells. It was shown that 5-day limb bud tissue has a much lower adhesive interaction energy than 7-day neural retina tissue. It was observed that in both tissues there was a steady increase in the adhesive interaction of the cells with increasing dielectric constant of the medium. These results are discussed in relation to the lyophobic colloid stability theory of cell adhesion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01872420
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  • 3
    Electronic Resource
    Electronic Resource
    A homologue of the yeast HOP1 gene is inactivated in the Arabidopsis meiotic mutant asy1 (2000)
    Springer
    Chromosoma 109 (2000), S. 62-71 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. Synapsis of homologous chromosomes is a key event in meiosis as it is essential for normal chromosome segregation and is implicated in the regulation of crossover frequency. We have previously reported the identification and cytological characterisation of a T-DNA-tagged asynaptic mutant of Arabidopsis thaliana. We have demonstrated that this mutant, asy1, is defective in meiosis in both males and females. Cloning and nucleotide sequencing of the ASY1 gene has revealed that it encodes a polypeptide of 596 amino acids that exhibits similarity to the HOP1 gene of Saccharomyces cerevisiae, which is known to encode a protein essential for synaptonemal complex assembly and normal synapsis. Expression studies indicate that, in common with a number of other Arabidopsis meiotic genes, ASY1 exhibits low-level expression in a range of plant tissues. Southern analysis coupled with database searching has resulted in the identification of an ASY1 homologue, ASY2. Although asy1 exhibits a strong asynaptic phenotype, a residual low level of synapsis indicates that ASY1 and ASY2 may exhibit a low degree of functional redundancy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004120050413
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  • 4
    Electronic Resource
    Electronic Resource
    Contrast variation studies of clathrin coated vesicles by small-angle neutron scattering (1992)
    Springer
    European biophysics journal 21 (1992), S. 129-136 
    Details
    ISSN: 1432-1017
    Keywords: Clathrin ; Vesicles ; Neutron scattering and light scattering
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract Structural information on clathrin coated vesicles has been obtained by small angle neutron scattering using contrast variation. A characteristic peak in the neutron scattering profile, which is apparent in 75 % D2O, as well as in H2O, disappears when contrast matching the protein component of the coated vesicles in 42% D2O. Neutron, as well as dynamic, light scattering give a coated vesicle size of about 900 Å in H2O and D2O, but for neutron scattering the diameter decreases when matching out the protein coat of the clathrin coated vesicles. From the match point for the clathrin coated vesicles it is demonstrated that the clathrin cages do contain internal membrane. The mass of 34 MD and composition of 75% protein and 25% lipid found from the analysis of the small-angle scattering data are both in good agreement with the values reported in the literature. Electron microscopy gives an average outer diameter of 880 Å for the coated vesicles and an average diameter of 460 Å for the vesicle itself.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00185427
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  • 5
    Electronic Resource
    Electronic Resource
    Identification of a multigene family coding for the 90 kDa proteins of the ovine abortion subtype of Chlamydia psittaci (1996)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 142 (1996), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract While attempting to identify genes and their corresponding antigens that could be used to improve the current methods of diagnosing Chlamydia psittaci infection which causes enzootic abortion in ewes, two candidate clones were isolated from a λgt11 genomic DNA expression library of ovine abortion subtype (strain S26/3) C. psittaci. These clones contained fragments of a gene coding for a group of three chlamydial proteins of approximately 90 kDa which appeared as major immunogens by immunoblotting experiments, indicating their potential as diagnostic or possibly protective antigens. Southern blotting of S26/3 genomic DNA using the two clones as probes identified a family of three or four genes. These represent the first example of protein gene duplication reported in Chlamydia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1996.tb08443.x
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  • 6
    Electronic Resource
    Electronic Resource
    Accumulation and intracellular fate of tellurite in tellurite-resistant Escherichia coli: A model for the mechanism of resistance (1994)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 118 (1994), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The tellurite accumulation properties of three Escherichia coli strains containing different tellurium-resistance determinants of Gram-negative origin, from plasmids pMER610, pHH1508a and RK2, were compared. In all three cases membrane-associated tellurium crystallization was observed, and neither reduced uptake nor increased export contributed to the resistance. Specific membrane-proximal reduction is proposed as the mechanism of resistance to tellurite coded by all three determinants, despite their lack of sequence homology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1994.tb06812.x
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  • 7
    Electronic Resource
    Electronic Resource
    Pushing the limits of organic substrate technology (2002)
    Bradford : Emerald
    Circuit world 28 (2002), S. 27-31 
    Details
    ISSN: 0305-6120
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: The requirement for smaller devices with more functionality has driven substrate technology developers to implement ever increasing circuit densities and layer numbers whilst utilising decreasing substrate thicknesses and reduced substrate sizes. Organic substrates remain the most popular materials for producing advanced interconnects that allow components to communicate in an effective and economic manner. This paper describes the practical work undertaken in the design, development, simulation, manufacture and reliability assessment of SLC™ technology to meet an extremely complex requirement in which all leading-edge features were integrated. The key to finding a satisfactory conclusion to such a complex challenge lies in the ability to design and simulate candidates from which the best solution can be identified and manufactured within market price expectations. SLC™ technology has been manufactured within IBM for over a decade with applications covering the majority of market segments. The example described here is a telecommunications application with constraints such as weight, thickness, size, complexity and cost. All of these were key considerations influencing the appropriate technology selection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/03056120310418457
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  • 8
    Electronic Resource
    Electronic Resource
    Embedded passive technology for networking systems (2002)
    Bradford : Emerald
    Circuit world 28 (2002), S. 26-32 
    Details
    ISSN: 0305-6120
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Particularly during the past ten years, the mobile communications industry has grown by orders of magnitude, fueled by digital and RF circuit fabrication improvements, new large scale circuit integration, and other miniaturization technologies that make portable equipment smaller, cheaper, and more reliable. A key area within the telecommunication industry covers base stations and switch systems. Communications providers now require systems that provide significantly increased switching capacity. Combining both increased capability with size reduction is resulting in smaller printed circuit boards (PCBs) with more components placed on them. A potential solution to this is to embed some of the components within the board. The components which would be suitable for such a transition would be passives such as resistors, capacitors and inductors. This paper describes the work done in designing and manufacturing a PCB for the telecommunications industry with embedded resistors and microvias.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/03056120210431516
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  • 9
    Electronic Resource
    Electronic Resource
    Irish Carboniferous conodonts record maturation levels and the influence of tectonism, igneous activity and mineralization (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Terra nova 4 (1992), S. 0 
    Details
    ISSN: 1365-3121
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Organic maturation patterns in the Lower Carboniferous of Ireland have been determined from conodont colour alteration indices (CAI) for some 750 localities. Onshore Ireland conodonts record increasing maturation in the Carboniferous rocks from the oil-window rocks of the north-east, southwards to the greenschist meta-argillite regime of the Munster Basin. In detail the Caledonoid trend has a marked influence in the Midlands, whilst in the south sharp variations in CAI are interpreted as being caused by thrusting of the Variscan Orogeny. In the south-east low maturities in the Wexford Half-graben indicate that the region was shielded from orogenic stresses, probably by the Leinster Massif. Igneous centres such as the Carlingford Complex and Croghan Hill produce local sites of increased palaeotemperature. Significant CAI variations have also been noted in proximity to major base-metal orebodies. The CAI results highlight north-east Ireland and the Wexford Half-Graben as areas with hydrocarbon potential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3121.1992.tb00478.x
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  • 10
    Electronic Resource
    Electronic Resource
    Fluorescent markers for hypoxic cells: a study of nitroaromatic compounds, with fluorescent heterocyclic side chains, that undergo bioreductive binding (1991)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 34 (1991), S. 2268-2274 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00111a049
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