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  • 11
    Series available for loan
    Series available for loan
    Review of survey activities 2014 (2015)
    Copenhagen : Geological Survey of Denmark and Greenland, Ministry of energy, utilities and climate
    Details Availability
    Call number: S 04.0048(33)
    Type of Medium: Series available for loan
    Pages: 88 Seiten , Illustrationen, Diagrammen, Karten
    ISBN: 9788778714046 , 9788787714053 (electronic)
    Series Statement: Geological Survey of Denmark and Greenland bulletin 33
    URL: Inhaltsverzeichnis
    URL: http://www.geus.dk/DK/publications/geol-survey-dk-gl-bull/33/Documents/nr33_p01-88.pdf
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 12
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    (Table 2) Age determination of harp seals (Pagophilus groenlandicus) from the Barents Sea - comparison of methods (2010)
    PANGAEA
    In:  Supplement to: Garde, Eva; Frie, Anne K; Dunshea, Glenn; Hansen, Steen H; Kovacs, Kit Maureen; Lydersen, Christian (2010): Harp seal ageing techniques-teeth, aspartic acid racemization, and telomere sequence analysis. Journal of Mammalogy, 91(6), 1365-1374, https://doi.org/10.1644/10-MAMM-A-080.1
    Details
    Publication Date: 2023-12-13
    Description: Lower jaws (containing the teeth), eyes, and skin samples were collected from harp seals (Pagophilus groenlandicus) in the southeastern Barents Sea for the purpose of comparing age estimates obtained by 3 different methods, the traditional technique of counting growth layer groups (GLGs) in teeth and 2 novel approaches, aspartic acid racemization (AAR) in eye lens nuclei and telomere sequence analyses as a proxy for telomere length. A significant correlation between age estimates obtained using GLGs and AAR was found, whereas no correlation was found between GLGs and telomere length. An AAR rate (k Asp) of 0.00130/year ± 0.00005 SE and a D-enantiomer to L-enantiomer ratio at birth (D/L 0 value) of 0.01933 ± 0.00048 SE were estimated by regression of D/L ratios against GLG ages from 25 animals (12 selected teeth that had high readability and 13 known-aged animals). AAR could prove to be useful, particularly for ageing older animals in species such as harp seals where difficulties in counting GLGs tend to increase with age. Age estimation by telomere length did not show any correlation with GLG ages and is not recommended for harp seals.
    Keywords: Ageing, aspartic acid racemization (AAR) in eye lens nuclei; Ageing, counting growth layer groups (GLG) in teeth; Aspartic acid D/L ratio; Barents Sea; BarentsSea_seal; Biological sample; BIOS; International Polar Year (2007-2008); IPY; Pagophilus groenlandicus, age; Pagophilus groenlandicus, standard deviation; Sample ID; Sex
    Type: Dataset
    Format: text/tab-separated-values, 527 data points
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    DATA PANGAEA
  • 13
    Electronic Resource
    Electronic Resource
    Synthesis and Structure of (NBu4)2[Tl{Pt(C6F5)4}2], the First Paramagnetic Compound Containing Thallium(II) (1995)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 117 (1995), S. 1837-1838 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00111a025
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  • 14
    Electronic Resource
    Electronic Resource
    Least square criterion for isostasy (1972)
    Springer
    Pure and applied geophysics 97 (1972), S. 9-13 
    Details
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary Least square criterion has been introduced to specify the order of isostatic compensation of mountains. The hydrostatic stability of the mountains is of basic significance in plate tectonics. However different concepts of isostasy differ in the evaluation of its order. An elegant and rapid technique is developed which extends the symmetric matrix method of root estimation byNegi andGarde [1]3) to provide a stability test through the mathematical expectation of the root increment. Application is illustrated for Rocky Mountains, United States.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00875942
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  • 15
    Electronic Resource
    Electronic Resource
    2′–5′ oligoadenylate synthetase and its relationship to HLA and genetic markers of insulin-dependent diabetes mellitus (1989)
    Springer
    Immunogenetics 30 (1989), S. 427-431 
    Details
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Cytokines and their related enzyme pathways may play a part in the development of insulin-dependent diabetes mellitus (IDDM). We have therefore studied the activity of the enzyme 2′–5′ oligoadenylate synthetase (which is induced by both interferon and the tumour necrosis factors) in circulating mononuclear cells from 40 subjects with IDDM and 32 healthy control subjects. There was no difference in mean basal enzyme activity between the two groups. A polymorphism of the 2′–5′ oligoadenylate synthetase gene, not previously described, was found using the restriction enzymeBam HI. There was no association of 2′–5′ oligoadenylate synthetase genotypes with IDDM, but there was a significant correlation between basal 2′–5′ oligoadenylate synthetase activity and 2′–5′ oligoadenylate synthetase genotypes. Significantly higher mean basal levels of 2′–5′ oligoadenylate synthetase activity were associated with HLA-DQA 4.6 phenotype (determined using the restriction enzymeTaq 1 and a DQA probe) and HLA-DR3 (determined serologically), whereas significantly lower mean levels of enzyme activity were associated with HLA-DQA 5.5 and HLA-DR7, in both IDDM and control subjects. An analysis of variance confirmed that these associations were independent 2′–5′ oligoadenylate synthetase genotype. Likewise, a significantly higher mean level of enzyme activity was associated with the heterozygous 1/3 insulin-related genotype in the IDDM subjects only. This study therefore suggests that the possession of certainHLA haplotypes might be associated with differing levels of basal 2′–5′ oligoadenylate synthetase activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02421174
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  • 16
    Electronic Resource
    Electronic Resource
    Microscopic density fluctuations and solvation in polymeric fluids (2000)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 112 (2000), S. 1574-1578 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The information theory approach is used to study molecular-scale density fluctuations and solvation of hard-core molecules in a condensed polymeric system, supported by extensive computer simulations. In contrast to simple liquids, it is found that the bond connectivity in polymers leads to non-Gaussian density fluctuations in molecular volumes. We define "renormalized" polymers with a reduced number of monomers of increased effective size. This reduces correlations between monomers and simplifies the effective density fluctuations. Chemical potentials of hard-core solutes in polyethylene can then be calculated accurately using information theory. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.480705
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  • 17
    Electronic Resource
    Electronic Resource
    Temperature dependence of hydrophobic hydration and entropy convergence in an isotropic model of water (2001)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 115 (2001), S. 977-982 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We have investigated temperature dependence of hydrophobic hydration and molecular-scale density fluctuations in an isotropic single-site model of water originally devised by Head-Gordon and Stillinger [J. Chem. Phys. 98, 3313 (1993)] using Monte Carlo simulations. Our isotropic model of water, HGS water, has the same oxygen–oxygen radial distribution function as that of the simple point charge (SPC) water at room temperature and water density. For HGS water, we find that non-Gaussian occupancy fluctuations lead to cavity formation probabilities that are considerably lower than in SPC water. Wetting of a hard-sphere solute by HGS water is also found to be significantly greater than that by SPC water. These observations can be understood in terms of differences in Hamiltonians of the two water models. Despite these differences in the details of hydration, small hydrophobic solutes display many of the well-known thermodynamic finger prints of hydrophobic hydration once the variation of density with temperature, ρ(T), along the saturation curve of real liquid water is followed for HGS water. For the hydration of small solutes, the "entropy convergence" is observed at temperatures of (approximate)400 K. These observations emphasize that the phase behavior of liquid water contains crucial information regarding thermodynamics of solvation phenomena. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1379576
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  • 18
    Electronic Resource
    Electronic Resource
    Kinetic Indication for a Conformational Change of Enzyme by a Modified Aqueous Microenvironment (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 613 (1990), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1990.tb18209.x
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  • 19
    Electronic Resource
    Electronic Resource
    Orientation of Enzyme Catalysis and Specificity by Water-Soluble Additives (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 672 (1992), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1992.tb35642.x
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  • 20
    Electronic Resource
    Electronic Resource
    Lysozyme kinetics in low water activity media a possible hydration memory
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 155 (1988), S. 816-822 
    Details
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0006-291X(88)80568-0
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