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  • 1995-1999  (688)
  • 1
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    Numerical Modelling of the effects of fault slip on fluid flow around extensional faults: reply (1997)
    In:  J. Struct. Geol., Taipei, 3-4, vol. 19, no. 11, pp. 1427-1428, pp. B05301, (ISSN: 1340-4202)
    Details
    Publication Date: 1997
    Keywords: Modelling ; Structural geology ; Fluids ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; JSG
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Effects of stress on the two-dimensional permeability tensor of natural fracture networks (1996)
    In:  Geophys. J. Int., Taipei, 3-4, vol. 125, no. B5, pp. 912-924, pp. B05301, (ISSN: 1340-4202)
    Details
    Publication Date: 1996
    Keywords: Stress ; Rock mechanics ; Physical properties of rocks ; GJI
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Postsynaptic membrane fusion and long-term potentiation (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-07
    Description: The possibility that membrane fusion events in the postsynaptic cell may be required for the change in synaptic strength resulting from long-term potentiation (LTP) was examined. Introducing substances into the postsynaptic cell that block membrane fusion at a number of different steps reduced LTP. Introducing SNAP, a protein that promotes membrane fusion, into cells enhanced synaptic transmission, and this enhancement was significantly less when generated in synapses that expressed LTP. Thus, postsynaptic fusion events, which could be involved either in retrograde signaling or in regulating postsynaptic receptor function or both, contribute to LTP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lledo, P M -- Zhang, X -- Sudhof, T C -- Malenka, R C -- Nicoll, R A -- New York, N.Y. -- Science. 1998 Jan 16;279(5349):399-403.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9430593" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Botulinum Toxins/pharmacology ; Carrier Proteins/metabolism/pharmacology ; Ethylmaleimide/pharmacology ; Excitatory Postsynaptic Potentials ; Exocytosis ; Guinea Pigs ; Hippocampus/drug effects/*physiology ; In Vitro Techniques ; *Long-Term Potentiation/drug effects ; *Membrane Fusion ; Membrane Proteins/metabolism/pharmacology ; Molecular Sequence Data ; N-Ethylmaleimide-Sensitive Proteins ; Patch-Clamp Techniques ; Peptides/pharmacology ; Pyramidal Cells/physiology ; Receptors, N-Methyl-D-Aspartate/physiology ; Recombinant Proteins/pharmacology ; Soluble N-Ethylmaleimide-Sensitive Factor Attachment Proteins ; Synaptic Membranes/*physiology ; Synaptic Transmission ; *Vesicular Transport Proteins
    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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    PAPER CURRENT
  • 4
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    A functional model related to cytochrome c oxidase and its electrocatalytic four-electron reduction of O2 (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-02-14
    Description: A cytochrome c oxidase model that consists of a cobalt(II) porphyrin with a copper(I) triazacyclononane macrocycle fastened on the distal face and an imidazole covalently attached to the proximal face has been synthesized and characterized. Redox titrations with molecular oxygen (O2) and cobaltocene were carried out, and O2 was found to bind irreversibly in a 1:1 ratio to the model compound. This O2 adduct (a bridged peroxide) can be fully reduced to the deoxygenated form with four equivalents of cobaltocene. The model compound was adsorbed on an edge-plane graphite electrode, and rotating ring-disk voltammetry was used to monitor the electrocatalytic reduction of O2. Four-electron reduction of O2 was observed at physiological pH.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collman, J P -- Fu, L -- Herrmann, P C -- Zhang, X -- 5R37 GM-17880-26/GM/NIGMS NIH HHS/ -- CHE9123187-A2/PHS HHS/ -- RR 04122/RR/NCRR NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1997 Feb 14;275(5302):949-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9020071" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Bridged Compounds/chemical synthesis/*chemistry ; Catalysis ; Cobalt/chemistry ; Copper/chemistry ; Electron Transport Complex IV/chemistry/*metabolism ; Electrons ; Hydrogen-Ion Concentration ; Oxidation-Reduction ; Oxygen/chemistry/*metabolism ; Porphyrins/chemical synthesis/*chemistry
    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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    PAPER CURRENT
  • 5
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    Requirement of serine phosphorylation for formation of STAT-promoter complexes (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-31
    Description: Members of the interleukin-6 family of cytokines bind to and activate receptors that contain a common subunit, gp130. This leads to the activation of Stat3 and Stat1, two cytoplasmic signal transducers and activators of transcription (STATs), by tyrosine phosphorylation. Serine phosphorylation of Stat3 was constitutive and was enhanced by signaling through gp130. In cells of lymphoid and neuronal origins, inhibition of serine phosphorylation prevented the formation of complexes of DNA with Stat3-Stat3 but not with Stat3-Stat1 or Stat1-Stat1 dimers. In vitro serine dephosphorylation of Stat3 also inhibited DNA binding of Stat3-Stat3. The requirement of serine phosphorylation for Stat3-Stat3.DNA complex formation was inversely correlated with the affinity of Stat3-Stat3 for the binding site. Thus, serine phosphorylation appears to enhance or to be required for the formation of stable Stat3-Stat3.DNA complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, X -- Blenis, J -- Li, H C -- Schindler, C -- Chen-Kiang, S -- CA46595/CA/NCI NIH HHS/ -- HL 21006/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1995 Mar 31;267(5206):1990-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Brookdale Center for Molecular Biology, Mount Sinai School of Medicine, New York, NY 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7701321" target="_blank"〉PubMed〈/a〉
    Keywords: 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine ; Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Cell Nucleus/metabolism ; Ciliary Neurotrophic Factor ; Cytoplasm/metabolism ; DNA/metabolism ; DNA-Binding Proteins/*metabolism ; Humans ; Interleukin-6/metabolism/*pharmacology ; Isoquinolines/pharmacology ; Mice ; Molecular Sequence Data ; Nerve Tissue Proteins/pharmacology ; Phosphorylation ; Piperazines/pharmacology ; *Promoter Regions, Genetic ; STAT1 Transcription Factor ; STAT3 Transcription Factor ; Serine/*metabolism ; Signal Transduction ; Threonine/metabolism ; Trans-Activators/*metabolism ; Tumor Cells, Cultured ; Tyrosine/metabolism
    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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  • 6
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    Synthesis and application of modulated polymer gels (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-28
    Description: A class of environmentally responsive materials based on the spatial modulation of the chemical nature of gels is proposed and demonstrated here. The modulation was achieved by limiting the interpenetration of part of one gel network with another gel network. The gels so produced have an internally heterogeneous or modulated structure. Three simple applications based on the modulated gels are described here: a bigel strip, a shape memory gel, and a gel "hand." The bigel strip bends almost to a circle in response to a temperature increase or an increase in solvent concentration. The shape memory gel changes its shape from a straight line to a pentagon to a quadrangle as the temperature increases. These transitions from one shape to another are reversible. The gel "hand" in water can grasp or release an object simply by an adjustment of the temperature.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hu, Z -- Zhang, X -- Li, Y -- New York, N.Y. -- Science. 1995 Jul 28;269(5223):525-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17842364" 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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    PAPER CURRENT
  • 7
    Electronic Resource
    Electronic Resource
    TEM observation of DO3 structure in Fe3 Al alloy with Mn addition (1999)
    Springer
    Journal of materials science 34 (1999), S. 1025-1030 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The structures of DO3 Fe-28Al-1.5Mn alloy, including ordering degree, superdislocation, APD and APB, were investigated by TEM. The results showed that addition of manganese into DO3 Fe3Al could not change the ordered type of the alloy, but could reduce APD size and then reduce ordering degree of the alloy. The fourfold superdislocations were retarded in DO3 Fe3Al alloy after Mn addition. Undeformed alloy with Mn has mainly twofold superdislocations. As deformation increases, the twofold superdislocations slip and decompose into unit dislocations, and unit dislocations slip and slip cross, leading to better ductility. The deformation mechanism of DO3 Fe-28Al-1.5Mn alloy was controlled at first by twofold superdislocation and at last by unit superdislocation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004591927568
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Quasielastic Light Scattering Investigation of Concentration Fluctuations and Coupling to Stress Relaxation in a Polymer Solution: Polystyrene in CCl4 (1995)
    s.l. : American Chemical Society
    Macromolecules 28 (1995), S. 2288-2296 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00111a024
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  • 9
    Electronic Resource
    Electronic Resource
    The human T-cell receptor gamma variable pseudogene V10 is a distinctive marker of human speciation (1996)
    Springer
    Immunogenetics 43 (1996), S. 196-203 
    Details
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract  The V10 variable gene of the human T-cell receptor gamma locus (TCRG-V10), the only member of the subgroup III, has a structural defect which inhibits the splicing of the leader intron. We show that there is a single point mutation in the V10 leader donor splice site responsible for this situation and that this mutation is found in the different populations tested, indicating that V10 corresponds to a pseudogene in humans. We restored the splice site by mutagenesis and obtained correct splicing in vitro. Analysis of the V10 germline gene in different primates reveals functional splice sites in the closest human apes, the chimpanzee and the gorilla. The splice competence of TCRG-V10 in higher primates was addressed in peripheral blood lymphocytes from chimpanzee by specific cDNA amplification, and correct splicing of the TCRG-V10 leader intron was found as well as a majority of in frame rearrangements involving only the TCRG-J1 or J2 segments. These results suggest that V10+γ /δ T cells may represent an important subset in the non-human higher primates, contrary to the situation observed in the human.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00587300
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  • 10
    Electronic Resource
    Electronic Resource
    Determination of two-photon-generated free-carrier lifetime in semiconductors by a single-beam Z-scan technique (1997)
    Springer
    Applied physics 65 (1997), S. 549-554 
    Details
    ISSN: 1432-0649
    Keywords: PACS: 42.65; 42.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003400050312
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