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  • 2005-2009  (3,061)
  • 2000-2004  (2,602)
  • 1990-1994  (2,442)
  • 1935-1939  (194)
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  • 1
    Monograph available for loan
    Monograph available for loan
    Atmospheric ammonia : detecting emission changes and environmental impacts ; results of an expert workshop under the Convention on Long-range Transboundary Air Pollution ; [the 'Edinburgh Wokshop' ; 4 - 6 December 2006] (2009)
    [Dordrecht] : Springer
    Details Availability
    Call number: PIK N 076-11-0312
    Description / Table of Contents: Contents: 1. Introduction ; PART I: AMMONIA CRITICAL THRESHOLDS ; 2. Reassessment of critical levels for atmospheric ammonia ; 3. Potential for the further development and application of critical levels to assess the environmental impacts of ammonia. ; 4. Long-term cumulative exposure exacerbates the effects of atmospheric ammonia on an ombrotrophic bog: Implications for Critical Levels. ; 5. The application of transects to assess the effects of ammonia on woodland groundflora. ; 6. Estimation of the ammonia critical level for epiphytic lichens based on observations at farm, landscape and national scales. ; 7. Mapping ammonia emissions and concentrations for Switzerland - effects on lichen vegetation. ; 8. Over which averaging period is the ammonia critical level most precautionary? ; 9. Machrolichens on twigs and trunks as indicators of ammonia concentrations across the UK - a practical method. ; 10. Assessment of critical levels of atmospheric ammonia for lichen diversity in cork-oak woodland, Portugal. ; PART II: TEMPORAL TRENDS IN ATMOSPHERIC AMMONIA ; 11. Linking ammonia emission trends to measured concentrations and deposition of reduced nitrogen at different scales. ; 12. Long-term record (1981-2005) of ammonia and ammonium concentrations at K-puszta Hungary and the effect of SO2 emission change on measured and modelled concentrations. ; 13. Assessment of NH3 and NH4+ trends and relationship to critical levels in the UK National Ammonia Monitoring Network (NAMN). ; 14. Review of published studies estimating the abatement efficacy of reduced-emission slurry spreading techniques. ; PART III: ANALYSIS OF AMMONIA HOTSPOTS ; 15. Ammonia deposition near hot spots: processes, models and monitoring methods. ; 16. Standardised grasses as biomonitors of ammonia pollution around agricultural point sources. ; 17. Soluble ammonium in plants as a bioindicator for atmospheric nitrogen deposition: refinement and testing of a practical method. ; 18. Spatial planning as a complementary tool to abate the effects of atmospheric NH# deposition at the landscape scale. ; PART IV: REGIONAL MODELLING OF ATMOSPHERIC AMMONIA ; 19. Modelling of the atmospheric transport and deposition of ammonia at a national and regional scale. ; 20. Application of a Lagrangian model FRAME to estimate reduced nitrogen deposition and ammonia concentrations in Poland. ; 21. Application of the EMEP Unified Model to the UK with a horizontal resolution of 5 x 5 km2. ; PART V: CONCLUSIONS AND OUTLOOK ; 22. Critical Levels for NH3. ; 23. Detecting change in atmospheric ammonia following emission changes. ; 24. Assessment methods for ammonia hot-spots. ; 25. Modelling the national and regional transport and deposition of ammonia. 26. Reliability of ammonia emission estimates and abatement efficiencies. ; 27. Ammonia policy context and future challenges. ; 28. Synthesis and summary for policy makers.
    Type of Medium: Monograph available for loan
    Pages: XXIII, 464 S. : Ill., graph. Darst., Kt.
    ISBN: 9781402091209 , 978-1-4020-9121-6
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Sea surface topography and the geoid : [proceedings of a symposium held within the General Meeting of the IAG in Edinburgh, Scotland, August 10-11, 1989] (1990)
    New York [u.a.] : Springer-Verl.
    Associated volumes
    Details Availability
    Call number: 6/M 91.0369
    In: International Association of Geodesy symposia
    Type of Medium: Monograph available for loan
    Pages: x, 187 S.
    ISBN: 0387972684
    Series Statement: International Association of Geodesy symposia 104
    Language: English
    Location: Reading room
    Branch Library: GFZ Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    C-Werkzeuge für Naturwissenschaftler und Ingenieure (1990)
    Hamburg [u.a.] : MacGraw-Hill
    Details Availability
    Call number: M 91.0761
    Type of Medium: Monograph available for loan
    Pages: 330 S.
    ISBN: 3890281974
    Uniform Title: C Tools for Scientists and Engineers
    Language: German
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 4
    Series available for loan
    Series available for loan
    Volcanic rifted margins (2002)
    Boulder, Colo. : The Geological Society of America
    Associated volumes
    Details Availability
    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
    URL: http://digitale-objekte.hbz-nrw.de/storage2/2018/06/15/file_365/7918592.pdf
    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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  • 5
    Electronic Resource
    Electronic Resource
    Metal substitution in transferrins: specific binding of cerium(IV) revealed by the crystal structure of cerium-substituted human lactoferrin (2000)
    Springer
    JBIC 5 (2000), S. 692-698 
    Details
    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
    URL: http://dx.doi.org/10.1007/s007750000157
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  • 6
    Electronic Resource
    Electronic Resource
    Anion binding by human lactoferrin: results from crystallographic and physicochemical studies (1992)
    s.l. : American Chemical Society
    Biochemistry 31 (1992), S. 4451-4458 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00133a010
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  • 7
    Electronic Resource
    Electronic Resource
    Metal substitution in transferrins: the crystal structure of human copper-lactoferrin at 2.1-.ANG. resolution (1992)
    s.l. : American Chemical Society
    Biochemistry 31 (1992), S. 4527-4533 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00133a020
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  • 8
    Electronic Resource
    Electronic Resource
    Specific binding of cerium by human lactoferrin stimulates the oxidation of Ce3+ to Ce4+ (1994)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 116 (1994), S. 7889-7890 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00096a053
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  • 9
    Electronic Resource
    Electronic Resource
    Structure of copper- and oxalate-substituted human lactoferrin at 2.0 Å resolution (1994)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 50 (1994), S. 302-316 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The three-dimensional structure of human dicupric monooxalate lactoferrin, Cu2oxLf, has been determined to 2.0 Å resolution, using X-ray diffraction data collected by diffractometry to 2.5 Å resolution, and oscillation photography on a synchrotron source to 2.0 Å resolution. Difference electron-density maps calculated between Cu2oxLf and both dicupric lactoferrin, Cu2Lf, and diferric lactoferrin, Fe2Lf, showed that the oxalate had replaced a carbonate in the C-terminal binding site, and that, relative to Cu2Lf, there were no significant differences in the N-terminal site. The structure was then refined crystallographically by restrained least-squares methods. The final model, in which the r.m.s. deviation in bond distances is 0.017 Å, contains 5314 protein atoms (691 residues), two Cu2+ ions, one bicarbonate ion, one oxalate ion, 325 solvent molecules and one sugar residue. The crystallographic R factor of 0.193 is for 46 134 reflections in the range 8.0 to 2.0 Å resolution. The oxalate ion is coordinated to copper in a 1,2-bidentate fashion, and the added bulk of the anion results in the rearrangement of the side chains of nearby arginine and tyrosine residues. No other major alterations in the molecule can be observed, the overall protein structure being the same as that for Cu2Lf and Fe2Lf.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444994000491
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  • 10
    Electronic Resource
    Electronic Resource
    Expression, crystallization and preliminary characterization of methylmalonyl coenzyme A epimerase from Propionibacterium shermanii (2001)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. 706-708 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Methylmalonyl-CoA epimerase (MMCE) is an enzyme that interconverts the R and S epimers of methylmalonyl-CoA in the pathway that links propionyl-CoA with succinyl-CoA. This is used for both biosynthetic and degradative processes, including the breakdown of odd-numbered fatty acids and some amino acids. The enzyme has been expressed in Escherichia coli both as the native enzyme and as its selenomethionine (SeMet) derivative. Crystals of both forms have been obtained by vapour diffusion using monomethylether PEG 2000 as precipitant. The native MMCE crystals are orthorhombic, with unit-cell parameters a = 56.0, b = 114.0, c = 156.0 Å, and the SeMet-MMCE crystals are monoclinic, with unit-cell parameters a = 43.6, b = 78.6, c = 89.4 Å, β = 92.0°; both diffract to better than 2.8 Å resolution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444901002050
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