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  • Polymer and Materials Science  (3)
  • Mapping  (2)
  • Rice  (2)
  • 1
    Digitale Medien
    Digitale Medien
    AFLP markers for the study of rice biodiversity (1998)
    Springer
    Theoretical and applied genetics 96 (1998), S. 602-611 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Key words AFLP ; Rice ; Biodiversity ; Germplasm ; Mapping
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract  AFLP was used as a DNA fingerprinting technique in rice (Oryza sativa L.) germplasm analysis. The high efficiency and random coverage of AFLP markers were established. With only five combinations of primers and RFLP anchors, a framework linkage map was constructed. This map demonstrated that the AFLP markers from a limited number of primers were not confined to any particular regions or chromosomes in the rice genome. To analyse the biodiversity of 57 rice germplasm accessions, we examined 179 polymorphic AFLP markers generated from four primer combinations. Both principal component analysis and cluster analysis were used, and three groups were clearly identified which corresponded to genotypes of Isozyme Groups I, II and VI. The number of markers needed for robust classification of rice germplasm and the diversity between/within the groups was established.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s001220050778
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  • 2
    Digitale Medien
    Digitale Medien
    Towards rice genome scanning by map-based AFLP fingerprinting (1999)
    Springer
    Molecular genetics and genomics 261 (1999), S. 184-195 
    Details
    ISSN: 1617-4623
    Schlagwort(e): Key words Map-based DNA fingerprinting ; DNA fingerprint linkage block (DFLB) ; Mapping ; Genome scan ; Rice
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Map-based DNA fingerprinting with AFLP markers provides a fast method for scanning the rice genome. Three hundred AFLP markers identified with ten primer combinations were mapped in two rice populations. The genetic maps were aligned and almost full coverage of the rice genome was obtained. The transferability of AFLP markers between indica × japonica and indica × indica crosses was tested. The chromosomes were divided into DNA Fingerprint Linkage Blocks (DFLBs) defined by specific AFLP markers. Using these blocks, the degree of similarity or divergence within specific chromosome regions was calculated for nine varieties. Applications of map-based fingerprinting for biodiversity studies and maker-assisted selection are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004380050956
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Macromolecular entanglement. IV. Modulus of swelling acrylic fibers as a means of studying macromolecular entanglements (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 53 (1994), S. 1261-1275 
    Details
    ISSN: 0021-8995
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Physik
    Notizen: In a swelling state at a temperature of incipient dissolution, an acrylic fiber is highly elastic just like a rubber. A system of entangled macromolecular chains is considered analogous to a cross-linked rubber network and from the theory of rubber elasticity, the measured extension modulus of an acrylic fiber at the terminal swelling state may be used to calculate the number of entanglements. By means of a capillary rheometer, a series of model acrylic fibers with varied degrees of entanglements were prepared. The entanglements present in these model fibers were then measured by the other two thermal methods (SDSC and SSS/SS methods) already established in our laboratory. The die swell ratios were also measured microscopically at the exit of the capillary rheometer. The experimental results of entanglements measured by the various methods were well correlated, at least qualitatively. © 1994 John Wiley & Sons, Inc.
    Zusätzliches Material: 17 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/app.1994.070531001
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    111. Untersuchungen zur Verteilung von Aminosäuren und Peptiden auf wäßrige Zwei-Phasen-Systeme (1993)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 65 (1993), S. 1120-1121 
    Details
    ISSN: 0009-286X
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cite.3306509113
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Fluorescence of perylene- and naphthalene-containing polyimides: Evidence of molecular aggregation and chain coiling in chloroform solution (1995)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 33 (1995), S. 1633-1639 
    Details
    ISSN: 0887-6266
    Schlagwort(e): polymides ; fluorescence ; molecular aggregation ; charge transfer complex ; Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Notizen: Fluorescence of several new polyimides in which neighboring imides are linked by a N-N bond was examined in chloroform solutions. For the naphthalene-containing polyimide 1, analysis of the emission, excitation, and absorption spectra at different concentrations showed the existence of a ground-state intermolecular charge transfer (CT) complex due to chain association and aggregation. For the perylene-containing polyimides 3-6, the fluorescence was characterized by a low energy band superimposed on the normal perylenediimide bands. This was interpreted as arising from a CT interaction between electron donor-acceptor pairs on the polymers backbone of the same chain, revealing certain degrees of chain coiling of these polymers in solution. © 1995 John Wiley & Sons, Inc.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/polb.1995.090331108
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