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  • International Union of Crystallography (IUCr)  (3)
  • PANGAEA  (3)
  • The American Physiological Society (APS)  (2)
Document type
Keywords
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    Structure of 1-butene(trimethylphosphine)zirconocene (1990)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 46 (1990), S. 998-1001 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270189010887
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Dithionitryltetrachloroaluminat (1982)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 38 (1982), S. 1280-1282 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740882005500
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Components for the X-ray radiometry beamline at BESSY II (1998)
    Chester : International Union of Crystallography (IUCr)
    Journal of synchrotron radiation 5 (1998), S. 788-790 
    Details
    ISSN: 1600-5775
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Optical components for the X-ray radiometry beamline of the Physikalisch-Technische Bundesanstalt at BESSY II were investigated at BESSY I. Reflectometry measurements on different mirror coatings were used to calculate their capability to suppress higher-order radiation. An MgF2 coating proved to be best suited for photon energies below 4 keV. The reflectance of silicon (111) monochromator crystals at low photon energies around 2 keV was homogeneous within ±1%. In a test at a superconducting wavelength shifter the cooling system for the first crystal was shown to cope with the absorbed power of 14 W.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0909049597014787
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    Paper (German National Licenses)
    Fulltext
  • 4
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    (Table 1) Geochemical composition of the Mazagan granodiorite at DSDP Hole 79-544A (1984)
    PANGAEA
    Details
    Publication Date: 2024-04-27
    Keywords: 79-544A; Albite; Aluminium oxide; Anorthite; Apatite; Barium; Biotite; Calcite; Calcium oxide; Calculated; Cerium; Chromium; CIPW Norm; Cobalt; Copper; Deep Sea Drilling Project; Diopside; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epidote; Glomar Challenger; Hypersthene; Ilmenite; Iron oxide, Fe2O3; Leg79; Lithology/composition/facies; Loss on ignition; Magnesium oxide; Magnetite; Manganese oxide; Molybdenum; Muscovite; Nickel; Niobium; North Atlantic/PLATEAU; Orthoclase; Phosphorus pentoxide; Potassium oxide; Quartz; Rubidium; Sample code/label; Sample code/label 2; Silicon dioxide; Sodium oxide; Strontium; Sum; Thorium; Titanium dioxide; Total; Tungsten; Vanadium; Wollastonite; X-ray fluorescence (XRF); Yttrium; Zinc; Zircon; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 94 data points
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    DATA PANGAEA
  • 5
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    Geochemistry and K-Ar dates of the Mazagan granodiorite at V30-225, VA79-96KD and DSDP Hole 79-544A, off Moroccan coast (1984)
    PANGAEA
    In:  Supplement to: Kreuzer, H; Müller, P; Wissmann, Gerd; Reinecke, T (1984): Petrography and K-Ar dating of the Mazagan granodiorite, Deep Sea Drilling Project Leg 79, Holes 544A and 547B. In: Hinz, K; Winterer, EL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 79, 543-549, https://doi.org/10.2973/dsdp.proc.79.118.1984
    Details
    Publication Date: 2024-04-27
    Description: Gneissic granodiorite was recovered by drilling at the base of the Mazagan escarpment, 100 km west of the Casablanca, Morocco, at 4000 m water depth. Coarse, predeformative muscovite yielded dates of -515 Ma, fine-grained muscovite of -455 Ma, biotite -360 and 335 Ma, and feldspar -315 Ma. These dates are tentatively correlated with the microscopic results. We assume a minimum age of middle Cambrian for the granodiorite, an Ordovician deformation and mylonitization, and a Late Carboniferous overprint under upper greenschist facies conditions.
    Keywords: Deep Sea Drilling Project; DSDP
    Type: Dataset
    Format: application/zip, 2 datasets
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    DATA PANGAEA
  • 6
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    (Table 2) Potassium, argon and K-Ar dates of the Mazagan granodiorite at V30-225, VA79-96KD and DSDP Hole 79-544A, off Moroccan coast (1984)
    PANGAEA
    Details
    Publication Date: 2024-06-25
    Keywords: 79-544A; 96KD; Age, 40K/40Ar Potassium-Argon; Age, dated; Age, dated standard deviation; Argon-40; Argon-40, standard deviation; Charge; Deep Sea Drilling Project; Dredge, box; DRG_B; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Flame photometry; Glomar Challenger; Latitude of event; Leg79; Lithology/composition/facies; Longitude of event; Mass spectrometry; North Atlantic/PLATEAU; off West Africa; PC; Piston corer; Potassium; Potassium, standard deviation; Replicates; Sample code/label; Size fraction; V30; V30-225; VA-28/2; VA79-96KD; Valdivia (1961); Vema
    Type: Dataset
    Format: text/tab-separated-values, 194 data points
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    DATA PANGAEA
  • 7
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    Sedentary conditions and enhanced responses to GABA in the RVLM: role of the contralateral RVLM (2017)
    The American Physiological Society (APS)
    Details
    Publication Date: 2017-08-15
    Description: A sedentary lifestyle is a major risk factor for cardiovascular disease, and both conditions are associated with overactivity of the sympathetic nervous system. Ongoing discharge of sympathetic nerves is regulated by the rostral ventrolateral medulla (RVLM), which in turn is modulated by the primary excitatory and inhibitory neurotransmitters glutamate and -amino-butyric acid (GABA), respectively. We reported previously that sedentary conditions enhance GABAergic modulation of sympathoexcitation in the RVLM, despite overall increased sympathoexcitation. Thus the purpose of this study was to test the hypothesis that sedentary conditions increase responsiveness to GABA in RVLM. Male Sprague-Dawley rats performed either chronic wheeling running or remained sedentary for 12–15 wk. Animals were instrumented to perform RVLM microinjections under Inactin anesthesia while mean arterial pressure (MAP) and splanchnic sympathetic nerve activity (SSNA) were recorded. Unilateral microinjections of GABA (30 nl, 0.3–600 mM) into the RVLM produced dose-dependent decreases in MAP and SSNA; however, no group differences were observed. Inhibition of the contralateral RVLM (muscimol, 2 mM, 90 nl) caused decreases in MAP and SSNA that were not different between groups but enhanced decreases in SSNA to GABA in sedentary rats only. In sinoaortic denervated rats, GABA microinjections before or after inhibition of the contralateral RVLM caused decreases in MAP and SSNA that were not different between groups. Our results suggest that the contralateral RVLM plays an important role in buffering responses to inhibition of the ipsilateral RVLM under sedentary but not physically active conditions. Based on these studies and others, sedentary conditions appear to enhance both sympathoinhibitory and sympathoexcitatory mechanisms in the RVLM. Enhanced sympathoinhibition may act to reduce already elevated sympathetic nervous system activity following sedentary conditions.
    Print ISSN: 0363-6119
    Electronic ISSN: 1522-1490
    Topics: Medicine
    Published by The American Physiological Society (APS)
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    PAPER CURRENT
  • 8
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    (In)activity-related neuroplasticity in brainstem control of sympathetic outflow: unraveling underlying molecular, cellular, and anatomical mechanisms (2015)
    The American Physiological Society (APS)
    Details
    Publication Date: 2015-07-16
    Description: More people die as a result of physical inactivity than any other preventable risk factor including smoking, high cholesterol, and obesity. Cardiovascular disease, the number one cause of death in the United States, tops the list of inactivity-related diseases. Nevertheless, the vast majority of Americans continue to make lifestyle choices that are creating a rapidly growing burden of epidemic size and impact on the United States healthcare system. It is imperative that we improve our understanding of the mechanisms by which physical inactivity increases the incidence of cardiovascular disease and how exercise can prevent or rescue the inactivity phenotype. The current review summarizes research on changes in the brain that contribute to inactivity-related cardiovascular disease. Specifically, we focus on changes in the rostral ventrolateral medulla (RVLM), a critical brain region for basal and reflex control of sympathetic activity. The RVLM is implicated in elevated sympathetic outflow associated with several cardiovascular diseases including hypertension and heart failure. We hypothesize that changes in the RVLM contribute to chronic cardiovascular disease related to physical inactivity. Data obtained from our translational rodent models of chronic, voluntary exercise and inactivity suggest that functional, anatomical, and molecular neuroplasticity enhances glutamatergic neurotransmission in the RVLM of sedentary animals. Collectively, the evidence presented here suggests that changes in the RVLM resulting from sedentary conditions are deleterious and contribute to cardiovascular diseases that have an increased prevalence in sedentary individuals. The mechanisms by which these changes occur over time and their impact are important areas for future study.
    Print ISSN: 0363-6135
    Electronic ISSN: 1522-1539
    Topics: Medicine
    Published by The American Physiological Society (APS)
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    PAPER CURRENT
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