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  • 1
    Online-Ressource
    Online-Ressource
    Reference model for the quality of context information (2010)
    Stuttgart : SFB 627
    Details Verfügbarkeit
    Schlagwort(e): Forschungsbericht ; Kontextbezogenes System ; Referenzmodell
    Materialart: Online-Ressource
    Seiten: Online-Ressource (PDF-Datei: 128 S., 2,90 MB)
    Serie: SFB-627-Bericht 2010,2
    URL: https://edocs.tib.eu/files/e01fn12/689505914.pdf
    URL: https://edocs.tib.eu/files/e01fn12/689505914l.pdf
    Sprache: Englisch
    Anmerkung: Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.
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    GEOMAR KATALOG
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  • 2
    Digitale Medien
    Digitale Medien
    TUMOR INFILTRATING LYMPHOCYTES (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 276 (1976), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1976.tb41647.x
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    Artikel (Nationallizenzen)
    Volltext
  • 3
    Digitale Medien
    Digitale Medien
    High-temperature fluid–rock interactions in a layered syenite pluton (1986)
    [s.l.] : Nature Publishing Group
    Nature 321 (1986), S. 764-766 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Klokken intrusion is a predominantly syenitic stock in the Gardar alkaline province in South Greenland (Rb-Sr age 1,139 11 Myr; rf. 4), with an outer sheath of gabbro and an inner ring of structureless unlaminated syenite5 (Fig. 1). Current work shows that the unlaminated syenites become more ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/321764a0
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    Artikel (Nationallizenzen)
    Volltext
  • 4
    Digitale Medien
    Digitale Medien
    Neue Ringsysteme aus heterocyclischen 5-substituierten Tetrazolderivaten (1989)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1989 (1989), S. 83-85 
    Details
    ISSN: 0170-2041
    Schlagwort(e): Tetrazolo heterocycles ; Tetrazoles, 5-substituted ; Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: New Cyclic Systems from Heterocyclic 5-Substituted Tetrazole DerivativesThe easily accessible 5-substituted tetrazole derivatives 1 and 2 react with sodium nitrite, ortho esters, some aldehydes, and bromoacetyl bromide to give the new tetrazolo-triazines 3 or 4, -pyrimidines 5 or 6, -5,6-dihydropyrimidines 7 and -diazepinones 8.
    Zusätzliches Material: 2 Tab.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jlac.198919890116
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  • 5
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    (Table 1) Photosynthetically active radiation measurements in air throughout the duration of the mesocosm experiment
    PANGAEA
    Details
    Publikationsdatum: 2023-05-12
    Schlagwort(e): Carlini_Base_C2; Carlini/Jubany Station; DATE/TIME; Jubany; Jubany_Station_C2; Potter Cove, King George Island, Antarctic Peninsula; Radiation, photosynthetically active; Research station; RS
    Materialart: Dataset
    Format: text/tab-separated-values, 24 data points
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    DATA PANGAEA
  • 6
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    (Table 2) Fatty acid content of subtidal specimens of Palmaria decipiens exposed to different temperatures at ambient light conditions prevailing at Potter Cove, January and February 2008 (2010)
    PANGAEA
    Details
    Publikationsdatum: 2023-08-23
    Schlagwort(e): 6,9,12,15-Hexadecatetraenoic acid; all-cis-5,8,11,14,17-Eicosapentaenoic acid; all-cis-5,8,11,14-Eicosatetraenoic acid; all-cis-9,12,15-Octadecatrienoic acid; all-cis-9,12-Octadecadienoic acid; Carlini_Base_C2; Carlini/Jubany Station; cis-11-Icosenoic acid; cis-11-Octadecenoic acid; cis-13-Docosenoic acid; cis-15-Docosenoic acid; cis-9-Octadecenoic acid; Day of experiment; Experimental treatment; Fatty acids, standard deviation; Gas-liquid chromatography; Hexadecanoic acid; Icosanoic acid; Jubany; Jubany_Station_C2; Lipids, total; Lipids, total, standard deviation; Octadecanoic acid; Palmitoleic acid; Pentadecanoic acid; Potter Cove, King George Island, Antarctic Peninsula; Research station; RS; Species; Tetradecanoic acid
    Materialart: Dataset
    Format: text/tab-separated-values, 70 data points
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    DATA PANGAEA
  • 7
    facet.materialart.
    Unbekannt
    Experiments on polar seaweeds (2009)
    PANGAEA
    In:  Supplement to: Becker, Susanne; Walter, Bettina; Bischof, Kai (2009): Freezing tolerance and photosynthetic performance of polar seaweeds at low temperatures. Botanica Marina, 52(6), 609-616, https://doi.org/10.1515/BOT.2009.079
    Details
    Publikationsdatum: 2023-10-28
    Beschreibung: Organisms populating benthic shallow water systems of both polar regions are adapted to a particularly harsh environment. We studied effects of freezing and the combination of high light intensities and low water temperatures on photosynthesis of key macroalgal species from the Arctic intertidal (Fucus distichus) and Antarctic subtidal (Palmaria decipiens). Photosynthetic activity of F. distichus specimens was monitored during the freezing process; there was a marked decrease in quantum yield with decreasing temperatures, and a rapid recovery as soon as temperatures increased again. Thus, under the experimental conditions tested, no indication of photodamage was found. Specimens of Palmaria were exposed to a combination of high light intensities and low water temperatures. A persistent impairment of photosynthetic activity occurred at 0°C at light intensities of 400 µmol photons m-2 s-1. In all treatments, there was a decreasing ratio of phycobiliproteins to chlorophyll a. Overall, the two studies provide baseline data for interpreting physiological responses of two important macroalgal species in an extreme environment, the polar coastal ecosystem.
    Schlagwort(e): Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; SPP1158
    Materialart: Dataset
    Format: application/zip, 1.2 MBytes
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    DATA PANGAEA
  • 8
    facet.materialart.
    Unbekannt
    (Table 3) Fatty acid content of intertidal specimens of Palmaria decipiens exposed to different temperatures at ambient light conditions prevailing at Potter Cove, January and February 2008 (2010)
    PANGAEA
    Details
    Publikationsdatum: 2023-08-23
    Schlagwort(e): 6,9,12,15-Hexadecatetraenoic acid; 6,9,12-Hexadecatrienoic acid; 9,12-Hexadecadienoic acid; all-cis-11,14-Eicosadienoic acid; all-cis-4,7,10,13,16,19-Docosahexaenoic acid; all-cis-5,8,11,14,17-Eicosapentaenoic acid; all-cis-5,8,11,14-Eicosatetraenoic acid; all-cis-6,9,12,15-Octadecatetraenoic acid; all-cis-6,9,12-Octadecatrienoic acid; all-cis-7,10,13,16,19-Docosapentaenoic acid; all-cis-8,11,14,17-Eicosatetraenoic acid; all-cis-8,11,14-Eicosatrienoic acid; all-cis-9,12,15-Octadecatrienoic acid; all-cis-9,12-Octadecadienoic acid; Carlini_Base_C2; Carlini/Jubany Station; cis-11-Docosenoic acid; cis-11-Icosenoic acid; cis-11-Octadecenoic acid; cis-13-Docosenoic acid; cis-13-Icosenoic acid; cis-15-Docosenoic acid; cis-9-Octadecenoic acid; Day of experiment; Experimental treatment; Fatty acids, standard deviation; Gas-liquid chromatography; Hexadecanoic acid; Icosanoic acid; Jubany; Jubany_Station_C2; Lipids, total; Lipids, total, standard deviation; Octadecanoic acid; Palmitoleic acid; Pentadecanoic acid; Potter Cove, King George Island, Antarctic Peninsula; Research station; RS; Species; Tetradecanoic acid
    Materialart: Dataset
    Format: text/tab-separated-values, 616 data points
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    DATA PANGAEA
  • 9
    facet.materialart.
    Unbekannt
    Photosynthetically active radiation during the experiment, and lipid content of sub- and intertidal specimens of the endemic Antarctic red alga, Palmaria decipiens (2010)
    PANGAEA
    In:  Supplement to: Becker, Susanne; Graeve, Martin; Bischof, Kai (2010): Photosynthesis and lipid composition of the Antarctic endemic rhodophyte Palmaria decipiens: effects of changing light and temperature levels. Polar Biology, 33(7), 945-955, https://doi.org/10.1007/s00300-010-0772-5
    Details
    Publikationsdatum: 2023-10-28
    Beschreibung: In coastal waters, Antarctic rhodophytes are exposed to harsh environmental conditions throughout the year, like low water temperatures ranging from -1.8°C to 2°C and high light during the summer season. Photosynthetic performance under these conditions may be affected by slowed down enzymatic reactions and the increased generation of reactive oxygen species. The consequence might be a chronic photoinhibition of photosynthetic primary reactions related to increased fragmentation of the D1 reaction centre protein in photosystem II. It is hypothesized that changes in lipid composition of biomembranes may represent an adaptive trait to maintain D1 turnover in response to temperature variation. The interactive effects of high light and low temperature were studied on an endemic Antarctic red alga, Palmaria decipiens, sampled from two shore levels, intertidal and subtidal, and exposed to mesocosm experiments using two levels of natural solar radiation and two different temperature regimes (2-5°C and 5-10°C). During the experimental period of 23 days, maximum quantum yield of photosynthesis decreased in all treatments, with the intertidal specimens exposed at 5-10°C being most affected. On the pigment level, a decreasing ratio of phycobiliproteins to chlorophyll a was found in all treatments. A pronounced decrease in D1 protein concentration occurred in subtidal specimens exposed at 2-5°C. Marked changes in lipid composition, i.e. the ratio of saturated to unsaturated fatty acids, indicated an effective response of specimens to temperature change. Results provide new insights into mechanisms of stress adaptation in this key species of shallow Antarctic benthic communities.
    Schlagwort(e): Carlini_Base_C2; Carlini/Jubany Station; Jubany; Jubany_Station_C2; Potter Cove, King George Island, Antarctic Peninsula; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; Research station; RS; SPP1158
    Materialart: Dataset
    Format: application/zip, 3 datasets
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    DATA PANGAEA
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