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  • Electronic Resource  (19)
  • 1985-1989  (19)
  • 1955-1959
  • 1989  (8)
  • 1987  (11)
  • 11
    Electronic Resource
    Electronic Resource
    3-Amino-3-deoxy-D-glucose: an antibiotic produced by a deep-sea bacterium (1987)
    Springer
    Cellular and molecular life sciences 43 (1987), S. 464-465 
    Details
    ISSN: 1420-9071
    Keywords: Deep-sea bacteria ; gram-positive ; antimicrobial activity ; Bacillus ; 3-amino-3-deoxy-D-glucose
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Gram-positive bacteria isolated from deep-sea sediments of the Pacific basin showed considerable antibacterial activity. ABacillus strain, isolated from a sediment sample collected at a depth of 4310 m, was shown to produce 3-amino-3-deoxy-D-glucose, a known antibiotic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01940457
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    Calcitonin gene related peptide stimulates adenylate cyclase activity in rat striated muscle (1987)
    Springer
    Cellular and molecular life sciences 43 (1987), S. 314-316 
    Details
    ISSN: 1420-9071
    Keywords: CGRP ; caleitonin ; adenylate cyclase ; neuromuscular junction ; neuropeptide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Rat calcitonin gene related peptide (CGRP) and salmon calcitonin (CT) stimulated adenylate cyclase activity in a dose-dependent manner in the rat diaphragm and in the kidney. The ED50 value of rat CGRP was lower and that of salmon CT was higher in the diaphragm than in the kidney. These results suggest that CGRP stimulates adenylate cyclase activity in the striated muscle by reacting with sites distinct from the site in the kidney.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01945565
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    Bathymetry and Canyons of the western Solomon Sea (1987)
    Springer
    Geo-marine letters 6 (1987), S. 181-191 
    Details
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The floor of the western Solomon Sea (for new bathymetric map see inside back cover of this issue) is dominated by the arched and ridged basement of the Solomon Sea Basin, the partly-sediment-filled New Britain Trench, and a more completely filled trench, the Trobriand Trough. There is a deep basin where the trenches join (149° Embayment), and a silled basin west of the New Britain Trench (Finsch Deep). Submarine canyons descend from the west and south to the 149° Embayment. Abyssal fans and plains are structurally defined and locally disturbed by young faults. Probable submerged pinnacle reefs stand in water depths as great as 1,200 m.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02239579
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    Paper (German National Licenses)
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  • 14
    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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  • 15
    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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  • 16
    Electronic Resource
    Electronic Resource
    Vibrio alginolyticus, a tetrodotoxin-producing bacterium, in the intestines of the fish Fugu vermicularis vermicularis (1987)
    Springer
    Marine biology 94 (1987), S. 625-630 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract To clarify the mechanism of toxification in animals contaminated with tetrodotoxin, the intestinal contents of the puffer Fugu vermicularis vermicularis were examined for bacterial flora in 1985. Twenty-six out of 33 strains belonged to the genus Vibrio. These bacteria were classified into Groups I to VII, based on biological and biochemical characters. High performance liquid chromatography and gas chromatography-mass spectrometry, together with mouse bioassay for toxicity, clearly demonstrated that Group I produced tetrodotoxin and anhydrotetrodotoxin under cultivation with a medium composed of Phytone peptone (BBL) and NaCl. Some other groups also produced this toxin and/or related substances to some extent. Strains of Group I were all identified as Vibrio alginolyticus. Two strains among four produced a detectable amount of tetrodotoxin and/or anhydrotetrodotoxin, as measured by all instrumental analyses applied. Our findings suggest that some strains of V. alginolyticus are closely related to the toxification of the puffer, and probably of other species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00431409
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  • 17
    Electronic Resource
    Electronic Resource
    The recoil reaction of technetium in mer- and fac-tris/benzoylacetonato/ruthenium/III/ (1987)
    Springer
    Journal of radioanalytical and nuclear chemistry 118 (1987), S. 129-136 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The recoil reactions of technetium produced by100Ru/γ, p/99mTc reaction were studied in γ-irradiated mer- and fac-Ru/ba/3 targets. Yields of mer- and fac-Tc/ba/3 were determined by column chromatographic separation developed in our previous work. In the initial recoil reaction yields mer-form of Tc/ba/3 was much more abundant than fac-form in the mer-Ru/ba/3, but the reverse held good in the fac-Ru/ba/3 showing selectivity in recoil replacement reactions in geometrical isomers. In the annealing reactions, however, such selectivity disappeared and the fac/mer ratio for the annealed portions could be explained by the following mixed mechanisms of ligand incorporation. $$\begin{gathered} Tc/ba/_2^ + + ba^ - \to Tc/ba/_3 \hfill \\ Tc/ba/^{2 + } orTc^{3 + } + xba \to Tc/ba/_3 \hfill \\ /x = 2or3/. \hfill \\ \end{gathered} $$
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02166269
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  • 18
    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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  • 19
    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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