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  • 1
    Electronic Resource
    Electronic Resource
    Book reviews (1994)
    Springer
    Chromatographia 38 (1994), S. 259-259 
    Details
    ISSN: 1612-1112
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02290347
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Evidence for metal poisoning in acute deaths of large red drum (Sciaenops ocellata) (1981)
    Springer
    Bulletin of environmental contamination and toxicology 27 (1981), S. 639-644 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01611076
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The use of thermal and spectroscopic methods to study chemically modified materials (1992)
    Springer
    Journal of thermal analysis and calorimetry 38 (1992), S. 361-379 
    Details
    ISSN: 1572-8943
    Keywords: chemically modified materials ; EVA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Anhand verschiedener Beispiele wird die Anwendung thermischer und spektroskopischer Methoden zur Charakterisierung chemisch modifizierter Materialien gezeigt: Ethylenvinylacetatkopolymere (hydrolysiert unter alkalischen Bedingungen), Amosit Asbestfasern (nach zuvoriger Reaktion mit Alkyldimethylchlorsilanen) und polymère Verbundwerkstoffe (nach zuvoriger Einwirkung von Feuchte).
    Notes: Abstract The application of thermal and spectroscopic techniques in the characterisation of chemically modified materials is illustrated with several examples: ethylene vinyl acetate (EVA) copolymers which had been hydrolysed under alkaline conditions, amosite asbestos fibres which had been reacted with alkyldimethylchlorosilanes, and a polymeric composite material which had been affected by moisture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01915501
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  • 4
    Electronic Resource
    Electronic Resource
    Book reviews (1989)
    Springer
    Chromatographia 27 (1989), S. 84-85 
    Details
    ISSN: 1612-1112
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02290411
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Fate of microfilariae of dirofilaria immitis following use of levamisole as a microfilaricide (1982)
    Springer
    Parasitology research 68 (1982), S. 93-101 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A pretreatment liver biopsy was secured from each of three dogs withDirofilaria immitis microfilariae counts of 29,500, 24,700, and 76,700/ml blood, respectively. Post-treatment biopsies were obtained 30 h later following treatment with a single dose of levamisole and a reduction in microfilariae counts of up to 80%. Both pre- and posttreatment biopsies were examined by light and electron microscopy. Microfilariae in dilated sinusoids of pretreatment liver biopsies were not degenerated and were unattended by an inflammatory reaction when examined by either method. However, degenerated microfilariae were present within granulomas in post-treatment liver biopsies examined by light and electron microscopy. Several stages of degeneration of microfilariae, including phagocytosis, were identified by the latter method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00926662
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  • 6
    Electronic Resource
    Electronic Resource
    Lesions in the liver and kidney ofDirofilaria immitis-infected dogs following treatment with ivermectin (1985)
    Springer
    Parasitology research 71 (1985), S. 97-105 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Six dogs with spontaneous heartworm disease were injected with a single dose of ivermectin. After 48 h of treatment, microfilariae counts were reduced by 92%–98% of pretreatment counts. In pretreatment biopsies examined by light and electron microscopy, microfilariae were unaltered in the sinusoids of the liver and also in the glomerular capillaries and interstitial blood vessels of the kidney. However, there was irregular thickening and dense deposits in the basement membranes of glomerular capillaries, along with a modest increase in mesangial cells and matrix. In post-treatment liver biopsies examined by light microscopy, there were numerous granulomas in the sinusoids which contained degenerated microfilariae. In post-treatment kidney biopsies there was moderate thickening of glomerular basement membranes along with pronounced proliferation of mesangial cells and matrix. Glomerular capillaries were partially or completely occluded by degenerated microfilariae. In addition, there were interstitial granulomas in the kidney. It was observed with the aid of electron microscopy that highly vacuolated and degenerated microfilariate were incorporated into granulomas in the liver sinusoids of post-treatment biopsies. In post-treatment kidney biopsies glomerular capillaries were usually occluded by degenerated microfilariae. Basement membranes were thickened and contained dense deposits. Mesangial cells and matrix were extensively increased. Interstitial granulomas in the kidney contained dead microfilariae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00932923
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  • 7
    Electronic Resource
    Electronic Resource
    Book reviews (1989)
    Springer
    Chromatographia 28 (1989), S. 423-425 
    Details
    ISSN: 1612-1112
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02261029
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Book reviews (1998)
    Springer
    Chromatographia 47 (1998), S. 107-110 
    Details
    ISSN: 1612-1112
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02466797
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Book reviews (1995)
    Springer
    Chromatographia 40 (1995), S. 102-105 
    Details
    ISSN: 1612-1112
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02274616
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Influence of temperature and mobile phase composition on retention properties of oligomeric bonded phases in reversed-phase liquid chromatography (RPLC) (1997)
    Springer
    Chromatographia 44 (1997), S. 135-144 
    Details
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Oligomeric stationary phases ; Enthalpy-entropy compensation ; Methylene and phenyl selectivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The effect of temperature and mobile phase composition (methanol-water) on the retention behaviour of an oligomeric series of n-octylsilyl bonded phases in reversed-phase liquid chromatography has been investigated. Plots of lnk against 1/T (van't Hoff plot) and the enthalpy of transfer (ΔHo) yields linear relationships under the conditions studied. The ΔHo values of the aromatic hydrocarbons and n-alkyl benzoates are higher than those of the polar compounds due to their higher level of interaction with the stationary phase. A linear plot of ΔHo vs. ΔSo suggest that the retention process, which is essentially controlled by non-specific (dispersive) interactions between the solutes and the bonded ligands, is identical for all cases evaluated. The existence of similar retention mechanisms is confirmed by the constant value of the enthalpy-entropy compensation temperature of the columns for a given class of componds. As expected, decreasing the methanol content (% v/v) of the mobile phase results in increased eluite retention times. The methylene and phenyl selectivities are found to be independent of the carbon content of the stationary phases and varied only with the eluent composition. In addition to their high stability under aggressive mobile phase conditions as previously reported, the results of this study generally showed that the solute retention process on oligomeric phases are similar to those exhibited by the conventional reversed phases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02466447
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