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  • 2020-2022  (4)
  • 1995-1999  (23)
  • 1990-1994  (28)
  • 1965-1969  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Phylogeny of flatfishes (Pleuronectiformes): comparisons and contradictions of molecular and morpho-anatomical data (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 45 (1994), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Several species of flatfishes (Pleuronectiformes) have been studied by isoenzyme electrophoresis and DNA/DNA hybridization to establish the evolutionary relationships of this group of fishes. This molecular data-based phylogeny has been compared to previously described phylogenies based on morpho-anatomical criteria. A number of discrepancies are observed and discussed. The high degree of genetic divergence observed within the families of Pleuronectiformes indicates that their origin seems to be much older than suggested by their striking morphological similarity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1994.tb00934.x
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  • 2
    Electronic Resource
    Electronic Resource
    ANALYSIS OF HLA HAPLOTYPES IN FAMILIES WITH TYPE 1 DIABETES MELLITUS IN LA RÉUNION ISLAND (1996)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 23 (1996), S. 0 
    Details
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: To analyse HLA and insulin-dependent diabetes mellitus (IDDM) association in the ethnically mixed population of La Réunion island, we carried out a family study on 70 diabetic subjects. HLA-DQA1, -DQB1 and -DRB1 typing was performed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), completed by PCR-sequence-specific oligonucleotide (SSO) and PCR-sequence-specific priming (SSP). Haplotype-relative risks (HRR) were determined with the non-transmitted parental haplotypes as controls, and relative risks (RR) were calculated with a classical case-control study. The most significant risks were found for the cis and trans combinations between DQA1*03 or *0501 (Arg52+) and DQB1*02 or *0302 (Asp57−) alleles, suggesting a direct role for the HLA-DQ heterodimer in IDDM susceptibility. Interestingly, due to the mixed origin of the population, the trans-encoded DQ molecules in the (DR3)-DQA1*0501-DQB1*02/(DR4)-DQA1*03-DQB 1*0302 subjects were also found cis-encoded in patients with the (DR7 or 9)-DQA1*03-DQB1*02 haplotype and in a patient with the rare (DR 11)-DQA1*0501-DQB 1*0302 haplotype. A relative predispositional effect (RPE) analysis gave significant haplotype-IDDM+ associations in the following order: (DR3)-DQA1*0501-DQB1*02〉(DR4)-DQA1*03-DQB1*0302〉(DR9)-DQA1*03-DQB*02〉(DR7)-DQA1*03-DQB1*02〉(DR2)-DQA1*01-DQB1*0502. No protective effect remained significant once the susceptible haplotypes were removed. A stratification study showed a stronger influence of the DQ genes than DRB1 alleles within the DR7 haplotypes. On the other hand, IDDM subjects with only one susceptible haplotype had inherited this haplotype more often from their father than from their mother. This paternal effect could be related to the greater risk of IDDM in offspring of diabetic fathers than the risk in offspring of diabetic mothers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-313X.1996.tb00136.x
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  • 3
    Electronic Resource
    Electronic Resource
    Interaction Between Phenanthrene and Zinc in Their Toxicity to the Sheepshead Minnow (Cyprinodon variegatus) (1999)
    Springer
    Archives of environmental contamination and toxicology 37 (1999), S. 251-257 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract. Many contaminated sites contain a variety of toxicants. Risk assessment and the development of water quality criteria therefore require information on the interactive effects among toxicants in such mixtures. Interactions between metals are relatively well studied, but little is known about interactions between metals and hydrocarbons. This study investigated the interaction between phenanthrene and zinc in the sheepshead minnow Cyprinodon variegatus. Interaction studies were performed with 7-day-old minnows in 96-h bioassays with zinc and phenanthrene at a fixed ratio and with varying proportions of zinc and phenanthrene. Mixture toxicity was quantified with the toxic unit, additive index, and excess function methods. All three methods generally indicated an antagonistic interaction between phenanthrene and zinc, though the results also provide some evidence for a synergistic interaction at low toxicant levels or at specific phenanthrene-to-zinc ratios. Short-term uptake experiments were conducted to determine if the strong antagonistic interaction observed when zinc and phenanthrene were present at 50% of their LC50 values was due to effects of zinc and phenanthrene on each other's uptake. Significantly less 65Zn uptake occurred in the presence of phenanthrene than in its absence. In contrast, zinc did not appear to affect the uptake of 14C-phenanthrene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002449900512
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  • 4
    Electronic Resource
    Electronic Resource
    Structure du radical cyano-vinyle CH2=Ċ-CN Etude expérimentale et théorique (1969)
    Springer
    Theoretical chemistry accounts 14 (1969), S. 339-349 
    Details
    ISSN: 1432-2234
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Résumé Tout d'abord, on montre par RPE que le radical CH2=Ċ-CN possède à basse température une structure instable pliée et à température plus élevée une structure stable linéaire. Un calcul théorique sur ce radical ainsi que sur le radical butatriényle est en bon accord avec les résultats expérimentaux.
    Abstract: Zusammenfassung Aus ESR Messungen wird gefolgert, daß das Radikal CH2=Ċ-CN bei tiefer Temperatur in einer instabilen gebogenen Struktur und bei höherer Temperatur in einer stabilen linearen Struktur vorliegt. Theoretische Berechnungen stehen sowohl für dieses als auch für das Butatrienyl-Radikal in guter Übereinstimmung mit experimentellen Daten.
    Notes: Abstract First, it is shown by ESR that the radical CH2=Ċ-CN at low temperature presents an unstable bent structure and at higher temperature a stable linear structure. A theoretical calculation on this radical and on the butatrienyl one is in good agreement with the experimental results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00527115
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  • 5
    Electronic Resource
    Electronic Resource
    Microstructural, electrical and magnetic properties of NdBa2Cu3O7−δ prepared from BaO2 (1991)
    Springer
    Journal of materials science 26 (1991), S. 2359-2364 
    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 NdBa2Cu3O7−δ was synthesized in oxygen from a stoichiometric mixture of Nd2O3, BaO2 and CuO between 890 and 1070
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01130182
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  • 6
    Electronic Resource
    Electronic Resource
    High-T c superconductivity in theRBa2−xSrxCu3O7 system forR ≡ Y, Gd, Sm and Nd (1991)
    Springer
    Journal of materials science 26 (1991), S. 5873-5876 
    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 RBa2−x SrxCu3O7 samples whereR≡Y, Gd, Sm and Nd were synthesized in oxygen between 930 and 1070 °C. The effect of the Ba substitution by Sr on the sample optimum synthesis temperature, microstructure and electrical properties was investigated for 0⩽x⩽1.0. The magnitude of the resistivity increase and of theT c decrease due to the Ba substitution by Sr is found to depend on theR ionic radius. Moreover, the Sr addition has a decreasing effect onJ c for allR elements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01130127
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  • 7
    Electronic Resource
    Electronic Resource
    Measurement of thermal diffusivity and anisotropy of plasma-sprayed coatings (1994)
    Springer
    International journal of thermophysics 15 (1994), S. 525-546 
    Details
    ISSN: 1572-9567
    Keywords: coatings ; plasma-spray ; thermal anisotropy ; thermal diffusivity ; tungsten ; zirconia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The thermal diffusivity of free-standing tungsten and zirconia plasma-sprayed coatings was measured in the directions parallel and perpendicular to their surface. The parallel thermal diffusivity was evaluated by a double-sensing Laplace-transform technique and compared to the perpendicular values obtained by the (lash technique. Ratios between the parallel and the perpendicular thermal diffusivity values were in the range of 1.1 to 1.5 for zirconia and 4 to 6 for tungsten. The results are discussed in terms of the coating thickness and microstructure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01563712
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  • 8
    Electronic Resource
    Electronic Resource
    Sensitive thermoelectric power and conductivity measurements on implanted polyparaphenylene thin films (1997)
    New York, NY [u.a.] : Wiley-Blackwell
    Advanced Materials for Optics and Electronics 7 (1997), S. 281-293 
    Details
    ISSN: 1057-9257
    Keywords: polyparaphenylene ; ion implantation ; doping ; thermoelectric power ; conductivity ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: A sensitive apparatus for determining the conductivity and thermoelectric power of conducting polymer films at temperatures between 150 and 450 K is described. Brittle polyparaphenylene films doped by ion implantation with either alkali (caesium, sodium) or halogen (iodine) ions are studied by this method. Analysis of the temperature dependence of both conductivity and thermopower shows that the doping process of this conjugated polymer is efficient only when low parameters of implantation are selected and appears around room temperature. At higher temperatures the thermopower exhibits an anomalous evolution that we attribute to oxygen migration. © 1997 John Wiley & Sons, Ltd.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 9
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    Pharmacological plasticity of cardiac ATP-sensitive potassium channels toward diazoxide revealed by ADP (1999)
    National Academy of Sciences
    Details
    Publication Date: 1999-10-12
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 10
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    Acoustic emission study of failure mechanisms in TiC thermal barrier coatings (1992)
    Elsevier
    Details
    Publication Date: 1992-11-01
    Print ISSN: 0257-8972
    Electronic ISSN: 1879-3347
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Elsevier
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