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  • 3D carbon/carbon composite  (1)
  • Contact binaries-photometric solution  (1)
  • Mathematics Subject Classification (1991):11G25, 14G20, 14H40, 14K15  (1)
  • cDNA cloning  (1)
  • composites  (1)
Source
Material
Years
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    The contact binary system AH Tauri
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 15 (1991), S. 143-149 
    Details
    ISSN: 0275-1062
    Keywords: Contact binaries-photometric solution
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0275-1062(91)90056-4
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Rational points of the group of components¶of a Néron model (1999)
    Springer
    Manuscripta mathematica 98 (1999), S. 275-293 
    Details
    ISSN: 1432-1785
    Keywords: Mathematics Subject Classification (1991):11G25, 14G20, 14H40, 14K15
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract: The structure of component groups of Néron models has been investigated on several occasions. Here we admit non-separably closed residue fields and are interested in the subgroup of rational points or, in other terms, in the subgroup of geometrically connected components of a Néron model. We consider Néron models of abelian varieties and of algebraic tori and give detailed computations in the case of Jacobians of curves.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002290050140
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Cloning, tissue expression pattern and genomic organization of latexin, a human homologue of rat carboxypeptidase A inhibitor (2000)
    Springer
    Molecular biology reports 27 (2000), S. 241-246 
    Details
    ISSN: 1573-4978
    Keywords: cDNA cloning ; chromosome 3q25–26.2 ; gene structure ; human latexin ; Northern hybridization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Latexin, a carboxypeptidase A inhibitor, is expressed in a cell type-specific manner in both central and peripheral nervous systems in the rat. It is used as a molecular marker for the regional specification of the neocortex. In this study, a cDNA was isolated from a human fetal brain cDNA library. The cDNA (LXN) contains an open reading frame encoding 222 amino acids. The comparison between the deduced amino acid sequences of LXN and latexins of rat and mouse revealed high sequence identity (84.2 and 84.7%, respectively). Northern blot analysis showed that LXN was expressed as a transcript of 1.3 kb in 15 out of 16 tissues examined, except in peripheral blood leukocyte. The expression levels were high in heart, prostate, ovary, kidney, pancreas, and colon, moderate or low in other tissues including brain. It is noteworthy that the tissue distribution of human LXN differs greatly to that of its homologue in the model animal, rat latexin. In addition, the LXN gene contains at least 6 exons and spans 5.9 kb according to the genomic sequence of the clone RP11-79M21 and the gap sequence cloned in this paper. LXN was assigned to 3q25-q26.2 according to the position of the marker SHGC-35682 found adjacent to LXN gene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1010971219806
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Collagen/apatite coating on 3-dimensional carbon/carbon composite (1998)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 40 (1998), S. 520-529 
    Details
    ISSN: 0021-9304
    Keywords: 3D carbon/carbon composite ; collagen/apatite composite ; coating ; grafting ; phosphorylation ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: A three-dimensional carbon/carbon composite (3D C/C) was studied as potential bone-repairing material; its major mechanical properties were found to be closer to those of human bone than other common bone-repairing materials available. In vitro calcification tests revealed that as-received 3D C/C is almost bioinert in simulated body fluid (SBF) over an immersion period of 4 weeks. To improve the bioactivity of 3D C/C, surface modification was accomplished through two practical routes: (1) grafting with polyethylene glycol (PEG) and (2) phosphorylation and precalcification. After grafting with α, ω di(aminopropyl) polyethylene glycol 800 (NH2-PEG-NH2), a continuous layer of calcium phosphate was formed on the surface of 3D C/C in SBF after 4 weeks. Phosphorylated 3D C/C samples have the ability to induce apatite precipitation after precalcification in a saturated Ca(OH)2 solution for 1 week. To speed up the coating process, a calcification solution with collagen was developed in which a collagen/apatite coating layer can be formed on 3D C/C in 9 h in ambient conditions. © 1998 John Wiley & Sons, Inc. J Biomed Mater Res, 40, 520-529, 1998.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 5
    Electronic Resource
    Electronic Resource
    Composite biomaterials with chemical bonding between hydroxyapatite filler particles and PEG/PBT copolymer matrix (1998)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 40 (1998), S. 490-497 
    Details
    ISSN: 0021-9304
    Keywords: hydroxyapatite ; Polyactive™ ; composites ; interface ; mechanical properties ; surface grafting ; coupling agent ; diisocyanate ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: In an effort to make composites from hydroxyapatite and a PEG/PBT copolymer (Polyactive™ 70/30), chemical linkages were introduced between the filler particles and polymer matrix using hexamethylene diisocyanate as a coupling agent. Infrared spectra (IR) and thermal gravimetric analysis (TGA) confirmed the presence of Polyactive™ 70/30 on the surface of HA filler particles. The amount of chemically bound polymer was 4.7 wt.%, as determined by TGA. The mechanical properties of the composites, that is, tensile strength and Young's modulus, were improved significantly by the introduction of a chemical linkage between the filler particles and polymer matrix compared to control composites. This method provides an effective way to introduce chemical linkage between HA filler particles and a polymer matrix. By optimizing the grafting process, a further improvement of the mechanical properties in the composites can be expected. © 1998 John Wiley & Sons, Inc. J Biomed Mater Res, 40, 490-497, 1998.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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