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  • 1990-1994
  • 1975-1979  (6)
  • 1976  (6)
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Material
Years
  • 1990-1994
  • 1975-1979  (6)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Responses of an estuarine population of the blue mussel Mytilus edulis to heated water from a steam generating plant (1976)
    Springer
    Marine biology 34 (1976), S. 177-189 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An entire bed of the blue mussel Mytilus edulis, consisting of 5,000 individuals/m2, died during June, 1971 in the effluent canal of a steam generating plant when the temperature increased above 27°C. Similarly, the population in the intake canal disappeared when temperatures rose above 27°C in August. Laboratory studies showed that M. edulis could not tolerate continuous temperatures above 27°C, and feeding stopped shortly after the mussels were exposed to 25°C. Histopathological studies indicated that the cause of death of this bivalve was associated with degeneration of the frontal and laterofrontal cilia of the columnar epithelium of the gill filaments. In conjuction with this, there was necrosis and sloughing of the epithelium of the intestinal diverticula. Extensive amoebocytic infiltration was noted in the byssogenous cavity, gill filaments and stomach wall.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00390760
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Alteration of cholesterol synthesis in rat liver as induced by 4-methyl-5-hydroxy valeric acid (1976)
    Springer
    Cellular and molecular life sciences 32 (1976), S. 1138-1140 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The rate of cholesterogenesis in rat liver, measured by the incorporation of labelled acetate or mevalonate into cholesterol, was significantly supressed by the use of 4-methyl-5-hydroxy valeric acid sodium salt. This effect cannot be explained by changes in HMG CoA reductase activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01927589
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Changes in serum and cerebrospinal fluid enzyme activity after head injury (1976)
    Springer
    Acta neurochirurgica 35 (1976), S. 3-13 
    Details
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We studied simultaneously in serum (S) and CSF (L) the enzyme activities of GOT, GPT, LDH, ICDH, MDH, ALD, and CPK in 28 patients with head injuries divided into three groups according to the severity of the trauma. We found a correlation between severity of brain lesion and enzyme activity. The best correlation was found for SGOT, SCPK, LGOT, LLDH, LMDH and LCPK. We do not believe that enzyme activity is of prognostic value. We think that further studies should be made of the specific isoenzymes of the Central Nervous System.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01405928
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Fine cytochemical detection of acid mucopolysaccharides in growing hyphae of Neurospora crassa (1976)
    Springer
    Histochemistry and cell biology 48 (1976), S. 121-127 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The presence of mucopolysaccharides (MP) in Neurospora crassa hyphae was detected in samples of cultures from 4 h to 5 days. Using a modification of the method of Rothman (1969), acid MP were identified by electron microscopy in vesicles located at the apex, septae, and throughout the cytoplasm of the hyphae. The size, number, and localization of these vesicles was related to the stage of growth of the fungus. The mechanisms of release and transport of these macromolecules are compared to the process of secretion in cells endowed with a better developed endoplasmic reticulum and Golgi system. The specificity of the method was evaluated histochemically. The structures displaying greater electron density corresponded to the Alcian blue positive areas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00494550
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Polyanhydride-imides (1976)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 55 (1976), S. 85-96 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Acht Imid-dicarbonsäuren wurden aus Trimellitsäureanhydrid, Pyromellitsäureanhydrid und verschiedenen aliphatischen Aminocarbonsäuren (HOOC—(CH2)n—NH2, n = 1,2,3,5) synthetisiert.Die entsprechenden Copolyimid-anhydride wurden nach den üblichen Methoden in Anwesenheit von Essigsäureanhydrid hergestellt1,2.Die Copolyimide haben eine aliphatisch-aromatische Struktur; ihre Eigenschaften wurden in Abhängigkeit der Struktur untersucht und durch IR-Spektren, Elementaranalyse und viskosimetrische Messungen charakterisiert. Löslichkeit, Hydrolysierbarkeit und Wärmestabilität wurden bestimmt.
    Notes: Eight imide-diacids were synthesized from trimellitic anhydride, pyromellitic anhydride and aminoacids of the formula HOOC—(CH2)n—NH2, with n = 1,2,3,5. From them, polyanhydride-imides were obtained following a general method of formation of polyanhydrides in the presence of acetic anhydride1,2.These co-polyimides have an aliphatic-aromatic structure and the relation between the general properties and the amount of the aliphatic part in the repeat unit was studied. IR spectroscopy, elemental analysis and viscosity measurements were used for the characterization. Studies of solubility, hydrolysis resistance and thermal properties were also made.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1976.050550107
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Sequential analysis by cooperative reactions on copolymers I. A theoretical treatment (1976)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Letters Edition 14 (1976), S. 645-648 
    Details
    ISSN: 0360-6384
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1976.130141102
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    Paper (German National Licenses)
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