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  • 1995-1999  (2)
  • 1910-1914
  • 2Cys-peroxiredoxin  (1)
  • BPA molecular network model  (1)
  • 1
    Digitale Medien
    Digitale Medien
    A finite element analysis of the large plastic deformation behavior of amorphous glassy circular polymeric bars (1997)
    Springer
    Acta mechanica solida Sinica 10 (1997), S. 138-147 
    Details
    ISSN: 0894-9166
    Schlagwort(e): BPA molecular network model ; finite element formulation ; amorphous glassy circular polymeric bars ; deformation localization development
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract The BPA eight-chain molecular network model is introduced into the finite element formulation of elastic-plastic large deformation. And then, the tensile deformation localization development of the amorphous glassy circular polymeric bars (such as polycarbonates) is numerically simulated. The simulated results are compared with experimental ones, and very good consistence between numerical simulation and experiment is obtained, which shows the efficiency of the finite element analysis. Finally, the influences of the microstructure parameterS ss on tensile neck-propagation and triaxial stress effect are studied.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02207741
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  • 2
    Digitale Medien
    Digitale Medien
    Molecular cloning, expression, and functional characterization of a 2Cys-peroxiredoxin in Chinese cabbage (1999)
    Springer
    Plant molecular biology 40 (1999), S. 825-834 
    Details
    ISSN: 1573-5028
    Schlagwort(e): 2Cys-peroxiredoxin ; Chinese cabbage ; expression ; functional characterization ; gene cloning
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract A cDNA (C2C-Prx) corresponding to a 2Cys-peroxiredoxin (2Cys-Prx) was isolated from a leaf cDNA library of Chinese cabbage. The predicted amino acid sequence of C2C-Prx has 2 conserved cysteines and several peptide domains present in most of the 2Cys-Prx subfamily members. It shows the highest sequence homology to the 2Cys-Prx enzymes of spinach (88%) and Arabidopsis (86%). Southern analysis using the cDNA insert of C2C-Prx revealed that it consists of a small multigene family in Chinese cabbage genome. RNA blot analysis showed that the gene was predominantly expressed in the leaf tissue of Chinese cabbage seedlings, but the mRNA was generally expressed in most tissues of mature plant, except roots. The expression of C2C-Prx was slightly induced by treatment with H2O2 (100μM) or Fe3+/O2/DTT oxidation system, but not by ABA (50 μM) or GA3 (10 μM). The C2C-Prx is encoded as a preprotein of 273 amino acids containing a putative chloroplast-targeting signal of 65 amino acids at its N-terminus. The N-terminally truncated recombinant protein (ΔC2C-Prx) migrates as a dimer in a non-reducing SDS-polyacrylamide gel and as a monomer in a reducing condition. The ΔC2C-Prx shows no immuno cross-reactivity to antiserum of the yeast thiol-specific antioxidant protein, and vice versa. The ΔC2C-Prx prevents the inactivation of glutamine synthetase and the DNA cleavage in the metal-catalyzed oxidation system. In the yeast thioredoxin system containing thioredoxin reductase, thioredoxin, and NADPH, the ΔC2C-Prx exhibits peroxidase activity on H2O2.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1006271823973
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