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  • 1
    Online Resource
    Online Resource
    Verbundprojekt Stadtregion Karlsruhe 2030, Teilprojekt 3: Soziale Durchmischung des Wohnens in der Stadtregion : Maßnahmen zur Abmilderung von Segregationsprozessen an ausgewählten Beispielen ; Endbericht (2002)
    Karlsruhe
    Details Availability
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource (146 p. = 2,25 MB) , ill., graphs, maps
    URL: https://edocs.tib.eu/files/e01fb04/468519904.pdf
    URL: https://doi.org/10.2314/GBV:468519904
    URL: https://edocs.tib.eu/files/e01fb04/468519904l.pdf
    DOI: 10.2314/GBV:468519904
    Language: German
    Note: nIndex. - Contract BMBF 19W1059C. - Joint project no. 01020628 , Differences between the printed and electronic version of the document are possible , Also available as printed version , Systemvoraussetzungen: Acrobat reader.
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  • 2
    Online Resource
    Online Resource
    Biochemical Regulation of Myocardium. (1996)
    New York, NY :Springer,
    Details
    Keywords: Heart-Diseases-Molecular aspects. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (334 pages)
    Edition: 1st ed.
    ISBN: 9781461312895
    Series Statement: Developments in Molecular and Cellular Biochemistry Series ; v.19
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6494093
    DDC: 612.1/73
    Language: English
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    GEOMAR EBL
  • 3
    Online Resource
    Online Resource
    Biochemical Mechanisms in Heart Function. (1996)
    New York, NY :Springer,
    Details
    Keywords: Heart-Molecular aspects. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (313 pages)
    Edition: 1st ed.
    ISBN: 9781461312796
    Series Statement: Developments in Molecular and Cellular Biochemistry Series ; v.18
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6494388
    DDC: 612.173
    Language: English
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  • 4
    Online Resource
    Online Resource
    Kohlenstoffbasierte Schichten (2002)
    [Bergisch-Gladbach] : Sulzer Metaplas Ionon Oberflächenveredelungstechnik GmbH
    Details Availability
    Description / Table of Contents: Vacuum arc evaporation, PVD, DLC, carbon coatings, dry operation, friction reduction, tool coating, hard coatings
    Type of Medium: Online Resource
    Pages: Online-Ressource (96 p. = 12,1 MB) , ill., graphs
    Edition: [Elektronische Ressource]
    Series Statement: BMBF-Projekt Trockenschmierstoffschichten für die Zerspanung und Umformung : Verbundvorhaben; Abschlußbericht Teilvorhaben [3], [Sulzer Metaplas Ionon Oberflächenveredelungstechnik GmbH]
    URL: https://edocs.tib.eu/files/e01fb02/358041651.pdf
    URL: https://edocs.tib.eu/files/e01fb02/358041651l.pdf
    Language: German , English
    Note: Contract BMBF 03N5015C 0. - Differences between the printed and electronic version of the document are possible. - Engl. abstract under title: Carbon based coatings. - nIndex p. 94 - 96 , Also available as printed version , Systemvoraussetzungen: Acrobat Reader.
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  • 5
    Electronic Resource
    Electronic Resource
    Lattice site location of ion-implanted 8Li in Silicon Carbide (2002)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 91 (2002), S. 1046-1052 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The lattice sites of ion-implanted Li atoms in 6H-, 4H-, and 3C-SiC were studied. Radioactive 8Li ions (t1/2=0.84 s) were implanted with 60 keV into the crystalline SiC samples, and the channeling and blocking effects of 1.6 MeV alpha particles emitted in the decay were measured to determine the Li lattice sites. The alpha emission channeling spectra measured along different crystallographic directions reveal that Li occupies mainly interstitial sites with tetrahedral symmetry, centered along the c-axis atom rows in the hexagonal lattices. In the cubic 3C-SiC structure, Li is located on tetrahedral interstitial sites as well. For 6H-SiC, the implantation temperature was varied between 200 and 823 K without observing significant changes in the emission channeling spectra. Thus, Li diffusion or Li defect interaction resulting in a lattice site change does not occur in this temperature regime. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1425442
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  • 6
    Electronic Resource
    Electronic Resource
    Increased CNS uptake and enhanced antinociception of morphine-6-glucuronide in rats after inhibition of P-glycoprotein (2002)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 83 (2002), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Morphine-6-glucuronide (M6G) is a substrate of P-glycoprotein (P-gp), which forms an outward transporter at the blood–brain barrier. Inhibition of P-gp may therefore be expected to cause increased CNS uptake of M6G. We directly assessed the spinal concentrations of M6G and its antinociceptive effects in rats following pharmacological inhibition of P-gp. Spinal cord tissue concentrations of M6G were assessed by microdialysis with probes transversally implanted through the dorsal horns of the spinal cord at level L4. Ten rats received M6G intravenously (0.018 mg/kg loading dose plus 0.00115 mg/kg/min for an 8-h infusion), five of them together with PSC833 to inhibit P-gp (32-h infusion, starting 24 h before the addition of M6G). Antinociceptive effects were explored by means of formalin tests. After having obtained evidence for enhanced CNS uptake and antinociception of M6G in the presence of PSC833, additional behavioural experiments were performed in another 32 rats to assess the dose dependency of the antinociceptive effects of M6G either with or without PSC833 in comparison with both PSC833 alone and placebo. Inhibition of P-gp increased the M6G concentrations in the spinal cord approximately three-fold whereas the plasma concentrations were increased only by a factor of 1.4, which resulted in a more than doubled spinal cord/plasma concentration ratio (from 0.08 ± 0.03 for M6G alone to 0.17 ± 0.08 for M6G plus PSC833). Antinociceptive effects of M6G were significantly enhanced by inhibition of P-gp. Inhibition of P-gp alters the transport of M6G across the blood–brain barrier, resulting in enhanced spinal cord uptake and enhanced antinociception.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1471-4159.2002.01177.x
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  • 7
    Electronic Resource
    Electronic Resource
    Photodissociation of NH2: Two-dimensional potential energy surfaces for the dissociation into NH and H (1996)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 104 (1996), S. 5558-5571 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Extensive multireference configuration interaction calculations were carried out in order to obtain complete two-dimensional (2D) potential energy surfaces for the amidogen (NH2) radical as functions of both N–H bond lengths keeping the bond angle fixed at its experimental ground state equilibrium value. The eight lowest-lying states (four of each symmetry, A′ and A″) were treated mainly for the purpose of using these surfaces in subsequent studies of the photodissociation dynamics. In analogy with the neighboring dihydrides CH2 and H2O the photodissociation of NH2 into NH+H (hydrogen abstraction) takes place preferentially after excitation of the first two Rydberg s states (3 2A′/2 2A1 and 2 2A″/2 2B1) found closely together at about 7.6 eV. The transition dipole moments connecting the ground state with these two states are large (0.44 a.u. and 0.66 a.u.) in the Franck–Condon region, but the behavior of the potentials in the dissociation channel is quite different. The 3 2A′/2 2A1 state is weakly repulsive whereas the 2 2A″/2 2B1 state is strongly repulsive. This will result in differences in the dissociation dynamics for the two states.The next higher state which should play a role in the NH2 photodissociation is the 4 2A″/3 2B1 Rydberg s state at 9.4 eV, because of its large transition dipole moment with the ground state (0.36 a.u.). Close to this state, many Rydberg p states were found. Due to the high density of states in the region above 9.0 eV, interactions of these states are expected and should lead to complicated dissociation dynamics. Contrary to CH2, the two low-lying valence states for NH2 are found at lower energies [2.2 eV (1 2A1) and 6.5 eV (1 2B2)], well separated from the first members of the Rydberg series. These states are less important for the photodissociation of NH2, compared with CH2, because the first state is bound and the transition to the other is dipole-forbidden in C2v symmetry. For H2O, the valence states are missing. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.471796
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  • 8
    Electronic Resource
    Electronic Resource
    Urocortin-deficient mice show hearing impairment and increased anxiety-like behavior (2002)
    [s.l.] : Nature Publishing Group
    Nature genetics 31 (2002), S. 363-369 
    Details
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Urocortin is a member of the corticotropin-releasing hormone peptide family and is found in many discrete brain regions. The distinct expression pattern of urocortin suggests that it influences such behaviors as feeding, anxiety and auditory processing. To better define the physiological roles of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/ng914
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  • 9
    Electronic Resource
    Electronic Resource
    Pacemaker Therapy in Isolated Congenital Complete Atrioventricular Block (2002)
    Oxford, UK : Blackwell Futura Publishing, Inc.
    Pacing and clinical electrophysiology 25 (2002), S. 0 
    Details
    ISSN: 1540-8159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: BREUR, J.M.P.J., et al.: Pacemaker Therapy in Isolated Congenital Complete Atrioventricular Block. The aim of this study was to evaluate the effect of pacemaker (PM) therapy in patients with isolated congenital complete atrioventricular block (CCAVB). Patients with CCAVB eventually qualify for PM implantation, however, timing remains controversial. Retrospective evaluation of left ventricular end-diastolic diameter (LVEDD), shortening fraction (SF), and cardiothoracic ratio (CTR) in 149 CCAVB patients, before, at, and after PM implantation was carried out. LVEDD shows an average increase of 0.48%/month in non-PM patients, and an average decrease of 0.88%/month in PM patients. SF shows an average increase of 0.10%/month in non-PM, and an average decrease of 0.32%/month in PM patients. CTR shows an average increase of 0.02%/month in non-PM, and an average decrease of 0.19%/month in PM patients. The difference between the non-PM and PM groups is significant (P = 0.05) for all variables. Symptomatic patients show no significant change in LVEDD after PM therapy (from 66.5% before to 68.5% after PM therapy). Asymptomatic patients do show a significant (P 〈 0.001) decrease in LVEDD after PM therapy (from 78.4% before to 73.3% after PM therapy). CTR does not differ significantly between symptomatic and asymptomatic patients before PM therapy (58% and 57%, respectively). CTR does differ significantly (P 〈 0.001) between symptomatic and asymptomatic patients after PM therapy (52% and 48%, respectively). Heart size and SF are increased in most patients with isolated CCAVB. PM implantation is associated with a decrease in heart size and normalization of SF in most patients. Indications for PM therapy in children may require reevaluation in asymptomatic patients with increased cardiac size and decreased cardiac function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1460-9592.2002.01685.x
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  • 10
    Electronic Resource
    Electronic Resource
    RanGAP mediates GTP hydrolysis without an arginine finger (2002)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 415 (2002), S. 662-666 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GTPase-activating proteins (GAPs) increase the rate of GTP hydrolysis on guanine nucleotide-binding proteins by many orders of magnitude. Studies with Ras and Rho have elucidated the mechanism of GAP action by showing that their catalytic machinery is both stabilized by GAP binding and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/415662a
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