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  • 1
    Book
    Book
    Düsseldorf : Dt. Verl. f. Schweißtechnik
    Part of " ˜Dieœ schweisstechnische Praxis"
    Keywords: Schweißverbindung ; Metallographie ; Schweißen ; Metallographie ; Schweißverbindung ; Metallographie ; Schweißen ; Metallographie
    Type of Medium: Book
    Pages: 31 S. , Ill.
    Edition: 2., vollst. überarb. Aufl.
    ISBN: 3871555045
    Series Statement: ˜Dieœ schweisstechnische Praxis 5
    RVK:
    Language: German
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1573-0972
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 95 (1973), S. 4040-4047 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Plant cell reports 6 (1987), S. 187-190 
    ISSN: 1432-203X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Differences in subcellular structures between anthraquinone-producing and non-producing cells were investigated using photoautotrophic and photoheterotrophic cell suspension cultures of Morinda lucida. Irregular or distorted plastids containing starch grains were observed in the anthraquinone-producing cells, together with a highly elongated rough endoplasmic reticulum. The possible participation of plastids and rough endoplasmic reticulum in the anthraquinone biosynthesis is discussed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Planta 166 (1985), S. 537-544 
    ISSN: 1432-2048
    Keywords: Anthraquinone ; Cell suspension culture (photoautotrophic, photoheterotrophic, heterotrophic) ; Lipoquinone ; Morinda
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Photoheterotrophic and photoautotrophic cell suspension cultures were raised from a callus tissue derived from a Morinda lucida Benth. plant (Rubiaceae). The cultures were characterized with regard to fresh weight, dry weight, cell number, pH, chlorophyll and quinoid natural products. The amount of lipoquinones (phylloquinone, α-tocopherol, plastoquinone, ubiquinone) isolated from the photoautotrophic cultures matched the amount detected in an intact leaf. Anthraquinone glycosides which are found in the roots of Morinda plants were not present in the photoautotrophic culture. The photoheterotrophic culture contained only trace amounts of these pigments. Abundant anthraquinone synthesis was observed when photoautotrophic and photoheterotrophic suspension cultures were transferred into darkness, provided sucrose was present in the medium. Induction of synthesis of anthraquinone pigments coincided with a rapid disappearance of lipoquinones from the culture. Thus, in the suspension culture, photoautotrophy correlates with lipoquinone synthesis and heterotrophy correlates with anthraquinone synthesis. This reflects the situation in the intact plants where lipoquinones are chloroplast-associated whereas anthraquinones occur in the roots.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Planta 202 (1997), S. 206-210 
    ISSN: 1432-2048
    Keywords: Key words: Anthraquinone biosynthesis ; Galium ; Isochorismate hydroxymutase ; Rubiaceae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract. Isochorismate hydroxymutase (i.e. isochorismate synthase, EC 5.4.99.6) was purified from an anthraquinone-producing cell-suspension culture of Galium mollugo L. Although attempts to stabilize the labile enzyme met with little success, a substantial increase in enzyme activity was observed in the presence of glycine betaine (500 mM). Column chromatography on solid supports other than diethylaminoethyl (DEAE)-Sephacel, Phenylsepharose Cl-4B or Cibacron Blue 3G-A did not give active enzyme preparations. In spite of these drawbacks the enzyme was purified 573-fold. Enzyme activity depended strictly on the presence of Mg2+. Kinetic data for chorismate in the forward reaction (K m = 807 μM, V max = 6.2 pkat · mg−1) and for isochorismate in the reverse reaction (K m = 675 μM, V max = 5.9 pkat · mg−1) were determined.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Archives of Biochemistry and Biophysics 256 (1987), S. 212-222 
    ISSN: 0003-9861
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Archives of Biochemistry and Biophysics 256 (1987), S. 223-231 
    ISSN: 0003-9861
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Archives of Biochemistry and Biophysics 271 (1989), S. 495-501 
    ISSN: 0003-9861
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Archives of Biochemistry and Biophysics 276 (1990), S. 331-335 
    ISSN: 0003-9861
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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