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  • 11
    Electronic Resource
    Electronic Resource
    The effect of aldosterone on glucose metabolism in toad bladder
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/General Subjects 165 (1968), S. 22-31 
    Details
    ISSN: 0304-4165
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0304-4165(68)90184-0
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  • 12
    Electronic Resource
    Electronic Resource
    Increased activity of enzymes of the tricarboxylic acid cycle in response to aldosterone in the toad bladder (1968)
    Springer
    Pflügers Archiv 300 (1968), S. 213-225 
    Details
    ISSN: 1432-2013
    Keywords: Biological Transport, active ; Aldosterone ; Sodium ; Enzymes ; Tricarboxylic Acid Cycle ; Aktiver Transport ; Aldosteron ; Natrium ; Enzyme ; Trikarbonsäurecyclus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 1. The activities of condensing enzyme, isocitrate dehydrogenase, glutamate dehydrogenase, glutamate-oxaloacetate transaminase, and malate dehydrogenase increase in toad bladder mucosa in vitro 2 hours after addition of d-aldosterone (10−7 M) to the serosal bathing medium whereas no change in activity of lactate dehydrogenase, aldolase and pyruvate kinase was noted. 2. The increase in enzyme activities has approximately the same time course as the stimulation of sodium transport by aldosterone. 3. The response of sodium transport to d-aldosterone was studied in the same tissue which was assayed for enzymatic activity. A significant, positive correlation between relative increments in sodium transport and in condensing enzyme activity per milligram of mucosal protein was found to exist. 4. The effects of aldosterone on both sodium transport and enzyme enhancement were abolished by actinomycin D and puromycin. 5. The increase in activity of mitochondrial enzymes due to d-aldosterone was not dependent on the presence of sodium in the mucosal bathing medium and hence was independent of any possible direct stimulatory effect of transepithelial sodium transport on enzyme activity. 6. The increase in activity of enzymes contributing to the supply of aerobic energy for the enhanced sodium transport induced by aldosterone is regarded as complementary to an independent action of the hormone to increase the entry of sodium into the transport process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00364295
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  • 13
    Electronic Resource
    Electronic Resource
    Fatty acid composition of plasma and red cell phospholipids of preterm babies fed on breast milk and formulae (1994)
    Springer
    European journal of pediatrics 154 (1994), S. 46-52 
    Details
    ISSN: 1432-1076
    Keywords: Key words     Preterm infants ; Breast milk ; Milk formula ; Essential fatty acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract      Fatty acids of plasma and red cells of preterm babies, gestational age 28–33 weeks, weighing less than 2200 g were studied between birth and the expected date of delivery (EDD). Babies were fed either mothers' breast milk, or if they were unable, or chose not to breast-feed, randomly assigned to milk formula A or B. Milk B had 26% oleic acid, 0.5% docosahexaenoic acid (DHA) and 0.12% arachidonic (AA); A had 13% oleic acid, less than 0.05% AA and no DHA. The proportions of gamma linoleic and the other fatty acids, and the ratio of linoleic acid (LA)/alpha linolenic acid (ALA) were comparable in the two formulae. Diet and/or physiological adaptation seemed to be responsible for the significant changes in the proportions of certain fatty acids between birth and EDD. Incorporation of DHA in formula B increased its concentration in plasma and red cells, and reduced the conversion of LA to AA. With respect to maintenance of DHA status, milk B was superior to milk A but did not match breast milk. Conclusion     Fortification of formula with DHA without concomitant incorporation of AA may precipitate AA insufficiency and may have developmental implications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01972972
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  • 14
    Electronic Resource
    Electronic Resource
    Fatty acid composition of plasma and red cell phospholipids of preterm babies fed on breast milk and formulae (1995)
    Springer
    European journal of pediatrics 154 (1995), S. 46-52 
    Details
    ISSN: 1432-1076
    Keywords: Preterm infants ; Breast milk ; Milk formula ; Essential fatty acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fatty acids of plasma and red cells of preterm babies, gestational age 28–33 weeks, weighing less than 2200 g were studied between birth and the expected date of delivery (EDD). Babies were fed either mothers' breast milk, or if they were unable, or chose not to breastfeed, randomly assigned to milk formula A or B. Milk B had 26% oleic acid, 0.5% docosahexaenoic acid (DHA) and 0.12% arachidonic (AA); A had 13% oleic acid, less than 0.05% AA and no DHA. The proportions of gamma linoleic and the other fatty acids, and the ratio of linoleic acid (LA)/alpha linolenic acid (ALA) were comparable in the two formulae. Diet and/or physiological adaptation seemed to be responsible for the significant changes in the proportions of certain fatty acids between birth and EDD. Incorporation of DHA in formula B increased its concentration in plasma and red cells, and reduced the conversion of LA to AA. With respect to maintenance of DHA status, milk B was superior to milk A but did not match breast milk. Conclusion Fortification of formula with DHA without concomitant incorporation of AA may precipitate AA insufficiency and may have developmental implications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01972972
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  • 15
    Electronic Resource
    Electronic Resource
    The Antiarrhythmic and Anticonvulsant Effects of Dietary N-3 Fatty Acids (1999)
    Springer
    The journal of membrane biology 172 (1999), S. 1-11 
    Details
    ISSN: 1432-1424
    Keywords: Key words: Omega-3 — n-3 — Omega-6 — n-6 — Eicosapentaenoic acid — Docosahexaenoic acid — Arrhythmias — Seizures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract. It has been shown in animals and probably in humans, that n-3 polyunsaturated fatty acids (PUFAs) are antiarrhythmic. We report recent studies on the antiarrhythmic actions of PUFAs. The PUFAs stabilize the electrical activity of isolated cardiac myocytes by modulating sarcolemmal ion channels, so that a stronger electrical stimulus is required to elicit an action potential and the refractory period is markedly prolonged. Inhibition of voltage-dependent sodium currents, which initiate action potentials in excitable tissues, and of the L-type calcium currents, which initiate release of sarcoplasmic calcium stores that increase cytosolic free calcium concentrations and activate the contractile proteins in myocytes, appear at present to be the probable major antiarrhythmic mechanism of the PUFAs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002329900578
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  • 16
    Electronic Resource
    Electronic Resource
    Metabolic cost of sodium transport and the degree of coupling of transport and metabolism in toad urinary bladder (1978)
    Springer
    The journal of membrane biology 41 (1978), S. 189-194 
    Details
    ISSN: 1432-1424
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01972632
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  • 17
    Electronic Resource
    Electronic Resource
    Electrolyte and water transport across epithelial cells (1967)
    Springer
    Protoplasma 63 (1967), S. 17-20 
    Details
    ISSN: 1615-6102
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01247991
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  • 18
    Electronic Resource
    Electronic Resource
    Stand treatment and sampling time of hardwood foliage (1979)
    Springer
    Plant and soil 51 (1979), S. 535-550 
    Details
    ISSN: 1573-5036
    Keywords: Acer saccharum ; Betula alleghaniensis ; Foliar analysis ; Micro elements
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A 70-year-old thinned northeastern Fagus-Betula-Acer stand in the Adirondack Mountains of New York was fertilized with varying combinations of N, P, K and lime.Acer saccharum Marsh. andBetula alleghaniensis Brit. foliage was collected periodically during the frost-free season and analyzed for foliage areas and weights, and levels of ash, Mn, Na, Fe, Zn, Al, Cu and Co. Comparisons were made within species, and among treatments, expressed as concentration on dry weight and ash bases, and as contents on per leaf weight and area bases. Elemental composition trends over time were examined to determine treatment effects and optimum sampling period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02277574
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  • 19
    Electronic Resource
    Electronic Resource
    Stand treatment and sampling time of hardwood foliage (1979)
    Springer
    Plant and soil 51 (1979), S. 515-533 
    Details
    ISSN: 1573-5036
    Keywords: Acer saccharum ; Betula alleghaniensis ; Foliar analysis ; Macro-elements
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A 70-year-old thinned northeastern Fagus-Betula-Acer stand in the Adirondack Mountains of New York was fertilized with varying combinations of N, P, K and lime.Acer saccharum Marsh. andBetula alleghaniensis Brit. foliage was collected periodically during the frost-free season and analyzed for foliage areas and weights, and levels of ash, N, P, K, Ca, Mg. Comparisons were made within species, and among treatments, expressed as concentrations on dry weight and ash bases, and as contents on per leaf weight and area bases. Elemental composition trends over time were examined to determine treatment effects and optimum sampling period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02277573
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  • 20
    Electronic Resource
    Electronic Resource
    Differential foliar responses of northern hardwoods to fertilization (1980)
    Springer
    Plant and soil 54 (1980), S. 419-439 
    Details
    ISSN: 1573-5036
    Keywords: Betula alleghaniensis Brit ; Acer saccharum Marsh ; Acer rubrum L. ; Fagus grandifolia Ehrh ; Foliar chemical analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A 70-year-old thinned northeastern Fagus-Betula-Acer stand in the Adirondack Mountains of northern New York was fertilized with varying combinations of N, P, K, and lime in the spring of 1976.Betula alleghaniensis Brit.,Acer saccharum Marsh.,Acer rubrum L., andFagus grandifolia Ehrh. foliage was collected in the autumn for 1974 through 1977 and analyzed for foliage areas and weights, and levels of ash, N, P, K, Ca, Mg, Mn, Na, Fe, Zn, Al, Cu, and Co. Comparisons are made within species and among treatments, expressed as concentrations on a dry weight basis. Elemental composition is examined to determine the differential foliar responses to fertilization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02181835
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