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  • Articles: DFG German National Licenses  (16)
  • 2000-2004
  • 1985-1989  (16)
  • 1980-1984
  • 1955-1959
  • 1989  (8)
  • 1986  (8)
Source
  • Articles: DFG German National Licenses  (16)
Material
Years
  • 2000-2004
  • 1985-1989  (16)
  • 1980-1984
  • 1955-1959
Year
Keywords
  • 11
    Electronic Resource
    Electronic Resource
    Okinonellins A and B, two novel furanosesterterpenes, which inhibit cell division of fertilized starfish eggs, from the marine spongeSpongionella sp (1986)
    Springer
    Cellular and molecular life sciences 42 (1986), S. 1299-1300 
    Details
    ISSN: 1420-9071
    Keywords: Spongionella sp. ; porifera ; cell division inhibitor ; starfish embryos ; furanosesterterpene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Two novel furanosesterterpenes, okinonellins A (1) and B (2), have been isolated from the spongeSpongionella sp. Both compounds inhibit cell division of starfish embryos.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01946432
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    Paper (German National Licenses)
    Fulltext
  • 12
    Electronic Resource
    Electronic Resource
    Changes in microflora of a puffer fish Fugu niphobles, with different water temperatures (1989)
    Springer
    Marine biology 101 (1989), S. 299-304 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Grass puffer Fugu niphobles, captured in November 1986 at Shimoda, Japan, and then reared at different temperatures ranging from 10 to 29°C, was examined for microflora changes in the skin, gill and intestines. At 10°C, the skin and gill were colonized mainly by Pseudomonas, Flavobacterium and Moraxella, while at 29°C Vibrio and Flavobacterium appeared abundantly. The intestinal microflora, consisting of Vibrio, Pseudomonas and Flavobacterium, revealed little temperature dependence, although the intrageneric composition of Vibrio changed conspicuously depending on the change of water temperature. Vibrio group 1, tentatively identified as V. alginolyticus, was detected in all tissues examined at 20 and 29°C. This, along with the fact that V. alginolyticus produces tetrodotoxin, suggests that the tetrodotoxin contained in puffer is, at least partly, accounted for by this bacterial species inhabiting intestines.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00428125
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    Paper (German National Licenses)
    Fulltext
  • 13
    Electronic Resource
    Electronic Resource
    Tetrodotoxin-producing bacteria from the blue-ringed octopus Octopus maculosus (1989)
    Springer
    Marine biology 100 (1989), S. 327-332 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Several live specimens of the blue-ringed octopus Octopus maculosus were collected from the Philippines in November 1985, and from Japan in February 1986, and the distribution of toxicity, along with toxin composition, in the posterior salivary gland and other soft parts were examined. Tetrodotoxin (TTX: 1400 mouse units g-1) was detected in the posterior salivary gland of a Japanese specimen, while not only the salivary gland but other soft parts were toxic in the Philippine specimens. The Philippine specimens contained TTX and anhydrotetrodotoxin, the Japanese specimen TTX, 4-epitetrodotoxin, and an unknown toxin. The posterior salivary gland, intestine and other parts were excised from the Philippine specimens and examined for bacterial flora. Twenty-two dominant strains were isolated and cultured in a 2xORI medium (Ocean Research Institute, Simidu and Tsukamoto 1985) at 20°C for 20 to 48 h. Cells were harvested by centrifugation, and disrupted by ultrasonication. The toxins were partially purified from the cell lyzate by ultrafiltration and Bio-Gel P-2 column-chromatography. Instrumental analyses disclosed that 16 of the 22 strains produced TTX and/or related substances. Six strains which clearly exhibited TTX productivity were identified as Alteromonas (2 strains), Bacillus (2), Pseudomonas (1) and Vibrio (1), based on biochemical and biological characteristics. Of these, one strain each of Bacillus and Pseudomonas produced TTX at a level detectable by the mouse assay.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00391147
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    Synthesis of chlorobis/β-diketonato/oxotechnetium/V/ and tris/β-diketonato/technetium/III/ complexes (1989)
    Springer
    Journal of radioanalytical and nuclear chemistry 135 (1989), S. 187-197 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Chlorobis/β-diketonato/ oxotechnetium/V/ complexes [TcOCl/β-dik/2, β-diketone=acetylacetone, benzoylacetone and dibenzoylmethane] were newly synthesized using macroamount of99Tc. These complexes were further separated into geometrical isomers. Furthermore, an improvement of the yields for the syntheses of tris/β-dike-tonato/technetium/III/ complexes [Tc/β-dik/3, β-diketone=acetylacetone, benzoylacetone and 2-thenoyltrifluoroacetone] was examined using Tc/III/-thiourea complexes as a starting material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02164971
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    Paper (German National Licenses)
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  • 15
    Electronic Resource
    Electronic Resource
    Pionic X-ray intensity ratios in chromium compounds (1989)
    Springer
    Journal of radioanalytical and nuclear chemistry 135 (1989), S. 207-213 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Pionic X-ray intensity ratios in chromium compounds were compared with those from muonic X-rays. The ratios were found depending on the μ− capture ratio as on μ− capture. The difference of the ratios between Cr/H2O/6Cl3 and CrCl3 was attributed to the formation of pseudoneutron μ− by interaction of hydrogenic protons during passage of a pion in the hydrated compound.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02164973
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    Paper (German National Licenses)
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  • 16
    Electronic Resource
    Electronic Resource
    Synthesis of tris(β-diketonato) technetium(III) and its adsorption behaviour on silica gel (1986)
    Springer
    Journal of radioanalytical and nuclear chemistry 103 (1986), S. 19-26 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Tris (benzoylacetonato) technetium(III) and tris (2-thenoyltrifluoroacetonato) technetium(III) were synthesized by the direct reduction of pertechnetate with dithionite in the presence of excess ligands. The geometrical isomers of the benzoylacetonate were further separated by means of a silica gel column chromatography. In the silica gel system, the adsorption distribution coefficient of the tris (β-diketonato) technetium(III) decreases in the order of Tc(acac)3〉fac-Tc(bzac)3〉mer-Tc(bzac3)〉Tc(tta)3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02165360
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    Paper (German National Licenses)
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