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  • Electronic Resource  (21)
  • 1985-1989  (15)
  • 1970-1974  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Nuclear magnetic resonance study of acid-base interactions for the chloranil electrode system in acetonitrile (1972)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 76 (1972), S. 246-248 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100646a018
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  • 2
    Electronic Resource
    Electronic Resource
    Complexation of fibronectin with tissue transglutaminase (1989)
    s.l. : American Chemical Society
    Biochemistry 28 (1989), S. 628-635 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00428a032
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  • 3
    Electronic Resource
    Electronic Resource
    The Marl Slate: a model for the precipitation of calcite, dolomite and sulphides in a newly formed anoxic sea (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 34 (1987), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Detailed studies of a new, complete Marl Slate core in South Yorkshire have provided information on isotopic (δ13C, δ18O, δ34S) and geochemical variations (trace elements and C/S ratio) which enable the formulation of a model for carbonate and sulphide precipitation in the Late Permian Zechstein Sea. Calcite and dolomite are intimately associated; the fine lamination, organic character and absence of benthos in the sediments are indicative of anoxic conditions. Lithologically the core can be divided into a lower, predominantly sapropelic Marl Slate (2 m) and an upper Transition Zone (0·65 m) of alternating sapropel and calcite-rich and dolomite-rich carbonates.C/S ratios are 2·22 for the Marl Slate and 1·72 for the Transition Zone respectively, both characteristic of anoxic environments. δ18O in the carbonates shows a large and systematic variation closely mirrored by variations in calcite/dolomite ratio. The results suggest a fractionation factor equivalent to a depletion of 3·8% for 18O and 1·5% for 13C in calcite. The δ34S values of pyrite are isotopically light (mean value = - 32·7%) suggesting a fractionation factor for the Marl Slate of almost 44%, typical of anoxic basins.The results are related to stratification in the early Zechstein Sea. Calcite was precipitated in oxic upper layers above the halocline. Below the oxic/anoxic boundary framboidal pyrite was precipitated, resulting in lower sulphate concentration and elevated Mg/Ca ratio (due to calcite precipitation). As a result of this, dolomite formation occurred below the oxic/anoxic interface, within the anoxic water column and in bottom sediments. Variations in calcite/dolomite ratios, and isotopic variations, are thus explained by fluctuations in the relative level of the oxic/anoxic boundary in the Zechstein Sea.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1987.tb00558.x
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  • 4
    Electronic Resource
    Electronic Resource
    A vapour phase preservative treatment of manufactured wood based board materials (1989)
    Springer
    Wood science and technology 23 (1989), S. 273-279 
    Details
    ISSN: 1432-5225
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary The preservative treatment of four different wood based board materials using an esterified borate applied in the vapour phase was investigated. Under optimum conditions complete impregnation via the board faces was achieved in all boards treated. Board moisture content and treatment time had a major influence on retention and depth of penetration of the borate vapour.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00367740
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  • 5
    Electronic Resource
    Electronic Resource
    Ultrastructure of Synaptic Vesicle Formation in Cerebral Cortex (1973)
    [s.l.] : Nature Publishing Group
    Nature 242 (1973), S. 57-59 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Cortex extracellular space is filled with electron dense reaction product of horseradish peroxidase (HRP) 1 h after sub-arachnoid application. Presynaptic terminals show many of their synaptic vesicles filled with tracer and two vesicles (arrows) are intimately associated with the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/242057a0
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  • 6
    Electronic Resource
    Electronic Resource
    Small is beautiful (1988)
    [s.l.] : Nature Publishing Group
    Nature 334 (1988), S. 392-392 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To ANY molecular biologist who has the time to reflect, it will no doubt seem surprising that only a decade ago we were (blissfully?) unaware of the existence of the intervening sequences that are present in many of the genes of eukaryotic cells. What seems all the more amazing is how far we have ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/334392b0
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of atenolol on red blood cell deformability (1985)
    Springer
    European journal of clinical pharmacology 28 (1985), S. 483-483 
    Details
    ISSN: 1432-1041
    Keywords: atenolol ; red blood cells ; deformability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00544373
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  • 8
    Electronic Resource
    Electronic Resource
    The effect of pentoxifylline on filterability of normal red blood cells and their adhesiveness to cultured endothelial cells (1985)
    Springer
    European journal of clinical pharmacology 29 (1985), S. 55-59 
    Details
    ISSN: 1432-1041
    Keywords: pentoxifylline ; methyl-xanthine ; red blood cells ; filterability ; endothelial cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The effects of pentoxifylline on filterability of normal red blood cells (RBCs) and their adhesiveness to cultured endothelial cells were investigated. 1. In a balanced randomized and double blind trial, six healthy volunteers received 400 mg pentoxifylline or matching placebo 2 h before blood samples were taken. Filterability of RBCs of the subject while on pentoxifylline was significantly increased at 25 °C and 18 °C. 2. Lowering of the filteration temperature to 18 °C significantly decreased filterability of RBCs. 3. In vitro studies showed that 12 µg/ml pentoxifylline significantly increased RBC filterability and also partially prevented the effect of decreasing temperature on RBC filterability. 4. 12 µg/ml pentoxifylline significantly decreased the adherence of normal RBCs to cultured endothelial cells. Our results suggest that in addition to increasing filterability of RBCs, pentoxifylline also decreased the adherence of RBCs to endothelial cells and this may contribute to its therapeutic effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00547369
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  • 9
    Electronic Resource
    Electronic Resource
    Metabolic studies of taloximine and its effects on the respiratory response to carbon dioxide (1970)
    Springer
    European journal of clinical pharmacology 2 (1970), S. 155-160 
    Details
    ISSN: 1432-1041
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Taloximine is a phthalazine derivative with a respiratory stimulant action on the peripheral chemoreceptors. Peak plasma levels of taloximine after oral administration coincided with peak hyperventilation accompanied by a respiratory alkalosis, a, fall in venous pCO2, and a rise in plasma and urinary pH. — Taloximine was excreted in urine and bile. Metabolites included a phthalazinone, demethylated taloximine and other metabolites in ring hydroxylated form. Sulphated and glucuronated taloximine and metabolites were formed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00420343
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  • 10
    Electronic Resource
    Electronic Resource
    Methods of comparing pharmacokinetics of slow release preparations: a comparison of “Theo-Dur” and “Phyllocontin” in patients with asthma (1986)
    Springer
    European journal of clinical pharmacology 30 (1986), S. 313-317 
    Details
    ISSN: 1432-1041
    Keywords: theophylline ; aminophylline ; slow release formulations ; bronchial asthma ; pharmacokinetics ; methods of comparison
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetics of two slow release theophylline preparations “Theo-Dur” (T) containing theophylline only and “Phyllocontin” (P) containing aminophylline have been compared in 12 patients with asthma. Each patient received both treatments in random order. The dose of treatment administered 12 hourly was increased or decreased to produce plasma theophylline concentrations of 10–20 mg/l at clinic visits normally 7 to 8 h after dosing. Pharmacokinetic studies were carried out after at least one week's treatment with this dose. After the first study day patients were crossed over to the second treatment at a dosage providing a similar amount of theophylline. They returned for a second study day after at least one week. Comparison of the dose corrected AUC, time to peak concentrations, within patient coefficients of variation (CV), number of concentration time points falling within 25% of Cmax and percentage fluctuations in plasma concentration showed no significant differences between the two preparations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00541535
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