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  • Oxford University Press  (10)
  • PANGAEA  (6)
  • American Association for the Advancement of Science (AAAS)  (3)
  • Springer Science + Business Media
  • 2010-2014  (10)
  • 2000-2004  (9)
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Keywords
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Years
Year
  • 1
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    Total organic carbon, delta13C, biomarker, gas compilations and hopanoids analysis from IODP Sites 307-U1317 and 307-U1318 (2011)
    PANGAEA
    In:  Supplement to: Mangelsdorf, Kai; Zink, Klaus-Gerhard; di Primio, Rolando; Horsfield, Brian (2011): Microbial lipid markers within and adjacent to Challenger Mound in the Belgica carbonate mound province, Porcupine Basin, offshore Ireland (IODP Expedition 307). Marine Geology, 282(1-2), 91-101, https://doi.org/10.1016/j.margeo.2010.05.007
    Details
    Publication Date: 2023-06-27
    Description: During the Integrated Ocean Drilling Program (IODP) Expedition 307 for the first time a cold-water coral carbonate mound was drilled down through its base into the underlying sediments. In the current study, sample material from within and below Challenger Mound, located in the Belgica carbonate mound province in the Porcupine Basin offshore Ireland, was investigated for its distribution of microbial communities and gas composition using biogeochemical and geochemical approaches to elucidate the question on the initiation of carbonate mounds. Past and living microbial populations are lower in the mound section compared to the underlying sediments or sediments of an upslope reference site. A reason for this might be a reduced substrate feedstock, reflected by low total organic carbon (TOC) contents, in the once coral dominated mound sequence. In contrast, in the reference site a lithostratigraphic sequence with comparatively high TOC contents shows higher abundances of both past and present microbial communities, indicating favourable living conditions from time of sedimentation until today. Composition and isotopic values of gases below the mound base seem to point to a mixed gas of biogenic and thermogenic origin with a higher proportion of biogenic gas. Oil-derived hydrocarbons were not detected at the mound site. This suggests that at least in the investigated part of the mound base the upward flow of fossil hydrocarbons, being one hypothesis for the initiation of the formation of carbonate mounds, seems to be only of minor significance.
    Keywords: 307-U1317A; 307-U1317D; 307-U1318A; 307-U1318B; DRILL; Drilling/drill rig; Exp307; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Porcupine Basin Carbonate Mounds
    Type: Dataset
    Format: application/zip, 4 datasets
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    DATA PANGAEA
  • 2
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    (Table 3) Methane, ethane, propane, n-butane, iso-butane and carbon dioxide concentrations, gas wetness and iso-butane/n-butane ratios as well as carbon and hydrogen isotope data of methane from IODP Holes 307-U1317A and 307-U1317D (2011)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 307-U1317A; 307-U1317D; C1/(C2+C3) hydrocarbon ratio; Carbon dioxide; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Ethane; Event label; Exp307; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Isobutane; Isobutane/n-Butane ratio; Joides Resolution; Methane; n-Butane; Porcupine Basin Carbonate Mounds; Propane; Sample code/label; δ13C, methane; δ Deuterium, methane
    Type: Dataset
    Format: text/tab-separated-values, 158 data points
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    DATA PANGAEA
  • 3
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    (Table 5) Total phospholipids, phosphatidylglycerol- and phosphatidylethanolamine esters concentrations from IODP Holes 307-U1318A and 307-U1318B (2011)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 307-U1318A; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp307; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Phosphatidylethanolamine, per unit mass total organic carbon; Phosphatidylethanolamine, per unit sediment dry mass; Phosphatidylglycerol, per unit mass total organic carbon; Phosphatidylglycerol, per unit sediment dry mass; Phospholipids, per unit mass total organic carbon; Phospholipids, per unit sediment dry mass; Porcupine Basin Carbonate Mounds; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 54 data points
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    DATA PANGAEA
  • 4
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    (Table 1) Total organic carbon, delta13C and biomarker concentrations from IODP Holes 307-U1317A and 307-U1317D (2011)
    PANGAEA
    Details
    Publication Date: 2023-11-30
    Keywords: 307-U1317A; 307-U1317D; Carbon, organic, total; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp307; Hopane, alpha/beta, per unit sediment dry mass; Hopane, alpha/beta, per unit sediment dry mass on a carbonate free base; Hopane, alpha/beta, total organic carbon; Hopane, beta/beta, per unit sediment dry mass; Hopane, beta/beta, per unit sediment dry mass on a carbonate free base; Hopane, beta/beta, total organic carbon; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; n-Alkane C23-35, per unit sediment dry mass; n-Alkane C23-35, per unit sediment dry mass on a carbonate free base; n-Alkane C23-35, total organic carbon; Porcupine Basin Carbonate Mounds; Sample code/label; Total hopanoids, per unit sediment dry mass; Total hopanoids, per unit sediment dry mass on a carbonate free base; Total hopanoids, total organic carbon; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 318 data points
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    DATA PANGAEA
  • 5
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    (Table 4) Total organic carbon, delta13C and biomarker concentrations from IODP Holes 307-U1318A and 307-U1318B (2011)
    PANGAEA
    Details
    Publication Date: 2023-11-30
    Keywords: 307-U1318A; 307-U1318B; Carbon, organic, total; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp307; Hopane, alpha/beta, per unit sediment dry mass; Hopane, alpha/beta, per unit sediment dry mass on a carbonate free base; Hopane, alpha/beta, total organic carbon; Hopane, beta/beta, per unit sediment dry mass; Hopane, beta/beta, per unit sediment dry mass on a carbonate free base; Hopane, beta/beta, total organic carbon; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Mass spectrometer Finnigan Delta-E; n-Alkane C23-35, per unit sediment dry mass; n-Alkane C23-35, per unit sediment dry mass on a carbonate free base; n-Alkane C23-35, total organic carbon; Porcupine Basin Carbonate Mounds; Sample code/label; Total hopanoids, per unit sediment dry mass; Total hopanoids, per unit sediment dry mass on a carbonate free base; Total hopanoids, total organic carbon; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 180 data points
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    DATA PANGAEA
  • 6
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    Phospholipids in ODP Leg 190 samples (Table 2) (2003)
    PANGAEA
    In:  Supplement to: Zink, Klaus-Gerhard; Wilkes, Heinz; Disko, Ulrich; Elvert, Marcus; Horsfield, Brian (2003): Intact phospholipids - microbial life markers in marine deep subsurface sediments. Organic Geochemistry, 34(6), 755-769, https://doi.org/10.1016/S0146-6380(03)00041-X
    Details
    Publication Date: 2024-01-09
    Description: Deep subsurface sediments from the Nankai Trough, Japan Sea, ODP Leg 190, sites 1173, 1174, 1177, and near-surface sediments from Hydrate Ridge, NE-Pacific have been analysed by high performance liquid chromatography (HPLC)–electrospray ionisation (ESI)-mass spectrometry (MS). The main objective was to utilize the presence of intact phospholipids as a direct indicator of viable microorganisms. The extracts of Nankai Trough sediments were found to contain a variety of phospholipid (PL) structures, well-known to stem from microorganisms, to depths as great as 745 mbsf and in situ temperatures as high as 85 °C. In addition, high relative amounts of lysophospholipids (e.g. lysophosphatidylcholines) exceeding those of the regular phospholipids were detected. Diglyceride mass fragments of various PLs have been assigned to fatty acyl side-chains of typical chain length (C14, C16, C18, C20) and degree of unsaturation (zero, one or two double bonds). Similar results were obtained for the phospholipid distribution in extracts of organic matter-rich Hydrate Ridge sediments. To date, the enhanced occurrence of lysophospholipids cannot be explained completely but a response to increasing thermal and ecological stress seems probable.
    Keywords: 190-1173A; 190-1174; 190-1177A; Carbon, organic, total; COMPCORE; Composite Core; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Extract; Joides Resolution; Leg190; Ocean Drilling Program; ODP; Philippine Sea; Phospholipids, per unit mass total organic carbon; Phospholipids per unit sediment mass; Sample code/label; Sample mass
    Type: Dataset
    Format: text/tab-separated-values, 91 data points
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  • 7
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    Nitric acid trihydrate (NAT) in polar stratospheric clouds (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-01-11
    Description: A comprehensive investigation of polar stratospheric clouds was performed on 25 January 2000 with instruments onboard a balloon gondola flown from Kiruna, Sweden. Cloud layers were repeatedly encountered at altitudes between 20 and 24 kilometers over a wide range of atmospheric temperatures (185 to 197 kelvin). Particle composition analysis showed that a large fraction of the cloud layers was composed of nitric acid trihydrate (NAT) particles, containing water and nitric acid at a molar ratio of 3:1; this confirmed that these long-sought solid crystals exist well above ice formation temperatures. The presence of NAT particles enhances the potential for chlorine activation with subsequent ozone destruction in polar regions, particularly in early and late winter.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Voigt, C -- Schreiner, J -- Kohlmann, A -- Zink, P -- Mauersberger, K -- Larsen, N -- Deshler, T -- Kroger, C -- Rosen, J -- Adriani, A -- Cairo, F -- Di Donfrancesco, G -- Viterbini, M -- Ovarlez, J -- Ovarlez, H -- David, C -- Dornbrack, A -- New York, N.Y. -- Science. 2000 Dec 1;290(5497):1756-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institut fur Kernphysik, Division of Atmospheric Physics, Post Office Box 103 980, D-69029 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11099412" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
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    Advancing translational research (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-03-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bolon, Brad -- Altrock, Bruce -- Barthold, Stephen W -- Baumgarth, Nicole -- Besselsen, David -- Boivin, Gregory -- Boyd, Kelli L -- Brayton, Cory -- Cardiff, Robert D -- Couto, Suzana -- Eaton, Kathryn A -- Foreman, Oded -- Griffey, Stephen M -- La Perle, Krista -- Lairmore, Michael D -- Liu, Chen -- Meyerholz, David K -- Nikitin, Alexander Yu -- Schoeb, Trenton R -- Schwahn, Denise -- Sellers, Rani S -- Sundberg, John P -- Tolwani, Ravi -- Valli, Victor E -- Zink, M Christine -- U01 CA141582/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2011 Mar 25;331(6024):1516-7. doi: 10.1126/science.331.6024.1516-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436422" target="_blank"〉PubMed〈/a〉
    Keywords: National Institutes of Health (U.S.)/*organization & administration ; Translational Medical Research/*organization & administration ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 9
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    Electrical or photocontrol of the rotary motion of a metallacarborane (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-03-20
    Description: Rotary motion around a molecular axis has been controlled by simple electron transfer processes and by photoexcitation. The basis of the motion is intramolecular rotation of a carborane cage ligand (7,8-dicarbollide) around a nickel axle. The Ni(III) metallacarborane structure is a transoid sandwich with two pairs of carbon vertices reflected through a center of symmetry, but that of the Ni(IV) species is cisoid. The interconversion of the two provides the basis for controlled, rotational, oscillatory motion. The energies of the Ni(III) and Ni(IV) species are calculated as a function of the rotation angle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hawthorne, M Frederick -- Zink, Jeffrey I -- Skelton, Johnny M -- Bayer, Michael J -- Liu, Chris -- Livshits, Ester -- Baer, Roi -- Neuhauser, Daniel -- New York, N.Y. -- Science. 2004 Mar 19;303(5665):1849-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of California, Los Angeles, CA, 90095-1569, USA. mfh@chem.ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15031500" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 10
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    The runaway instability in general relativistic accretion discs (2013)
    Oxford University Press
    Details
    Publication Date: 2013-04-03
    Description: When an accretion disc falls prey to the runaway instability, a large portion of its mass is devoured by the black hole within a few dynamical times. Despite decades of effort, it is still unclear under what conditions such an instability can occur. The technically most advanced relativistic simulations to date were unable to find a clear sign for the onset of the instability. In this work, we present three-dimensional relativistic hydrodynamics simulations of accretion discs around black holes in dynamical space–time. We focus on the configurations that are expected to be particularly prone to the development of this instability. We demonstrate, for the first time, that the fully self-consistent general relativistic evolution does indeed produce a runaway instability.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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