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  • 2000-2004  (2,602)
  • 1985-1989  (1,858)
  • 1940-1944  (190)
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  • 1
    Monograph available for loan
    Monograph available for loan
    New Dehli : Amerind Publishing
    Call number: AWI Atl-01-0038
    Type of Medium: Monograph available for loan
    Pages: 233 Plates + 34 p. + 28 MF ; 30x45 cm
    ISBN: 0231052146
    Branch Library: AWI Library
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  • 2
    Call number: SR 90.0081(391)
    In: Reports of the Department of Geodetic Science and Surveying
    Type of Medium: Series available for loan
    Pages: IX, 109 S.
    Series Statement: Report / Department of Geodetic Science and Surveying, the Ohio State University 391
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    Call number: S 90.0095(362)
    In: Special paper / The Geological Society of America, 362
    Type of Medium: Series available for loan
    Pages: VI, 230 Seiten , Illustrationen, graphische Darstellungen, Karten
    ISBN: 0-8137-2362-0
    Series Statement: Special paper / The Geological Society of America 362
    Language: English
    Note: Preface 1. Characteristics of volcanic rifted margins Martin A. Menzies, Simon L. Klemperer, Cynthia J. Ebinger, and Joel Baker 2. Crust and upper mantle structure in East Africa: Implications for the origin of Cenozoic rifting and volcanism and the formation of magmatic rifted margins Andrew A. Nyblade 3. Development of the Lebombo rifted volcanic margin of southeast Africa M.K. Watkeys 4. Extension and uplift of the northern Rio Grande Rift: Evidence from ⁴⁰Ar/³⁹Ar geochronology from the Sangre de Cristo Mountains, south-central Colorado and northern New Mexico Daniel P. Miggins, Ren A. Thompson, Charles L. Pillmore, Lawrence W. Snee, and Charles R. Stern 5. Lithospheric mantle beneath Arabia: A Pan-African protolith modified by the Afar and older plumes, rather than a source for continental flood volcanism? Joel Baker, Gilles Chazot, Martin A. Menzies, and Matthew Thirlwall 6. Petrogenesis of the Late Cretaceous tholeiitic magmatism in the passive margins of northeastern Madagascar Leone Melluso, Vincenzo Morra, Pietro Brotzu, Massimo D'Antonio, and Lucia Bennio 7. Silicic volcanism: An undervalued component of large igneous provinces and volcanic rifted margins Scott E. Bryan, Teal R. Riley, Dougal A. Jerram, Christopher J. Stephens, and Philip T Leat 8. Volcanology and fades architecture of flood basalts Dougal A. Jerram 9. East Greenland coast-parallel dike swarm and its role in continental breakup Martin Bromann Klausen and Hans Christian Larsen 10. Crustal architecture of South Atlantic volcanic margins W.U. Mohriak, B.R. Rosendahl, J.P. Turner, and S.C. Valente 11. Volcanic passive margin of Namibia: A potential fields perspective B. Corner, J. Cartwright, and R. Swart 12. Petrophysical modeling of high seismic velocity crust at the Namibian volcanic margin R.B. Trumbull, S.V. Sobolev, and K. Bauer
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 4
    Call number: MF 77
    In: Proceedings / SPIE
    Pages: 5 MF-Bl.
    Series Statement: Proceedings / SPIE 949
    Language: English
    Branch Library: GFZ Library
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  • 5
    Call number: SR 90.0081(364)
    In: Reports of the Department of Geodetic Science and Surveying
    Type of Medium: Series available for loan
    Pages: VII, 94 S.
    Series Statement: Report / Department of Geodetic Science and Surveying, the Ohio State University 364
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 6
    ISSN: 1432-1327
    Keywords: Metal substitution Cerium binding Lactoferrin Crystal structure Transferrin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract. Proteins of the transferrin family play a key role in iron homeostasis through their extremely strong binding of iron, as Fe3+. They are nevertheless able to bind a surprisingly wide variety of other metal ions. To investigate how metal ions of different size, charge and coordination characteristics are accommodated, we have determined the crystal structure of human lactoferrin (Lf) complexed with Ce4+. The structure, refined at 2.2 Å resolution (R=20.2%, R free=25.7%) shows that the two Ce4+ ions occupy essentially the same positions as do Fe3+, and that the overall protein structure is unchanged; the same closed structure is formed for Ce2Lf as for Fe2Lf. The larger metal ion is accommodated by small shifts in the protein ligands, made possible by the presence of water molecules adjacent to each binding site. The two Ce4+ sites are equally occupied, indicating that the known difference in the pH-dependent release of Ce4+ arises from a specific protonation event, possibly of the His ligand in one of the binding sites. Comparing the effects of binding Ce4+ with those for the binding of other metal ions, we conclude that the ability of transferrins to accommodate metal ions other than Fe3+ depends on an interplay of charge, size, coordination and geometrical preferences of the bound metal ion. However, it is the ability to accept the six-coordinate, approximately octahedral, site provided by the protein that is of greatest importance.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Mesoplodon traversii (Gray, 1874) is shown to be a senior synonym of the recently described beaked whale Mesoplodon hahamondi Reyes et al., 1995 on the basis of a phylogenetic analysis of mitochondrial DNA control region sequences. The mandible and teeth of M. traversii, first reported in 1873 by Hector as Dolichodon layardii. are redescribed. The species can be distinguished by features of the calvaria; including the large jugal, broad rostrum, and small distance between premaxillary foramina. The male teeth, which are large and spade-shaped with a strong terminal denticle, are also diagnostic. M. traversii is known only from Pitt Island and White Island, New Zealand and Robinson Crusoe Island, Juan Fernandez Archipelago, Chile.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Mesoplodon perrini, a new species of beaked whale is described on the basis of five animals stranded on the coast of California (between 32°55′N, 117°15′W and 36°37′N, 121°55′W) from May 1975 to September 1997. Four of these animals were initially identified as Hector's beaked whales M. hectori based on cranial morphology (Mead 1981). A fifth specimen was initially identified as a neonate Cuvier's beaked whale Ziphius cavirostris based on external features. These specimens were first recognized as representatives of an undescribed species through phylogenetic analysis of mitochondrial (mt) DNA control region and cytochrome b sequence data. Although similar morphologically, the genetic data do not support a close evolutionary relationship between M. perrini and M. hectori. Instead, these data suggest a possible sister species relationship with the lesser beaked whale M. peruvianus. Sightings of two small beaked whales off California in the 1970s which were tentatively identified as M. hectori are also likely to be M. perrini. We suggest that M. hectori is confined to the Southern Hemisphere, while M. perrini is known to date only from the North Pacific.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SUMMARY. 〈list xml:id="l1" style="custom"〉1Use of a multi-column thin-layer pneumatic sampler and modified analytic procedures has enabled resolutions of chemical and biological strata at 2.5 or 5.0 cm depth intervals. Examination of meromictic Lake Fidler, Tasmania, indicates the presence of a thin, intense stratum of bacteriochlorohyll d in the upper monimolimnion, associated with a discrete stratum of Chlorobium cf. limicola at the microaerobic interface between the oxygenated and sulphide-rich zones.2Algae included small populations of Chlorophyceae, Chrysophyceae, Bacillariophyceae and Cryptophyceae. Bacteria included microaerophils and obligate anaerobes, pigmented and colourless, in well-defined strata in the upper monimolimnion. A population of the microcrustacean Calamoecia tasmanica tasmanica was present in the mixolimnion. Chaoborus larvae were concentrated within the Chlorobium layer.3The chemical profile of Lake Fidler was stable, with a chemocline constant in position relative to the lake bottom. The surface water levels rose and fell through a distance of 1m in conjunction with heavy rainfall in the rainforest, and with river level variation, but had no measurable effect on the absolute position of the chemocline. Marked heterogeneity of dissolved substances at depths in the vicinity of bacteria suggested endogenous influence on pH and gelbstoff (‘gilvin’ in Australia).4Downwelling light attenuation was influenced primarily by gelbstoff (‘gilvin’) in the mixolimnion, with only red light (peak at 700 nm) measurable below 2 m. Light was absorbed mainly by Chlorobium in the monimolimnion, and was unmeasurable deeper than 3 m.5The absorption spectrum of the bacteriochlorophyll d in vivo, with a maximum absorbance at 721 nm, corresponds with the available downwelling light penetrating the mixolimnion to the Chlorobium layer.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The evolutionarily conserved Ras/mitogen-activated protein kinase (MAPK) cascade is an integral part of the processes of cell division, differentiation, movement and death. Signals received at the cell surface are relayed into the nucleus, where MAPK phosphorylates and thereby modulates the ...
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