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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatsschrift Kinderheilkunde 147 (1999), S. 924-926 
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Hypotrophe Neugeborene ; Postnatale Entwicklung ; Proteinstoffwechsel ; Key words Hypotrophic newborns ; Postnatal development ; Protein metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Introduction: About 25 to 30% of the children with former intrauterine growth retardation (IUGR) fail to show a catch up growth during further development. We were interested in the degree of utilisation of oral protein in these children. Methods: We investigated the urinary excretion of total nitrogen, urea, alpha-amino-N and ammonia in 73 former IUGR infants with a mean age of 2.1 years. The mean body weight of the infants was 8.36 kg according to a mean SDS for weight of –3.02. Results: The total N-excretion of 20.8 mmol/kg/24 h of the former hypotrophic infants was nearly twice as much than in the control group consisting of 37 normal weight former eutrophic infants showing a N-excretion of 10.6 mmol/kg/24 h. These data clearly demonstrate a diminished protein utilisation of dystrophic infants with former IUGR even at an age of 2 years. Conclusion: Enrichment of the diet with protein would not have a favourable influence on the further development of these children.
    Notes: Zusammenfassung Fragestellung: Etwa 25–30% der Kinder mit intrauteriner Wachstumsretardierung (Hypotrophie) zeigen auch in ihrer weiteren Entwicklung kein Aufholwachstum. Uns interessierte, wie die dystrophen, ehemals hypotroph geborenen Kleinkinder das Nahrungseiweiß utilisieren. Methode: Wir untersuchten die Gesamtstickstoff-, Harnstoff-, α-Amino-Stickstoff- und Ammoniakausscheidung im Urin bei 73 ehemals hypotroph geborenen Kindern im mittlerem Alter von 2,1 Jahren. Das durchschnittliche Körpergewicht dieser Gruppe wurde mit 8,36 kg bestimmt, das entspricht einem mittleren SDS von –3,02. Ergebnisse: Diese Kinder schieden mit 20,8 mmol/kg KG/24 h nahezu die doppelte Stickstoffmenge aus wie die 37 normalgewichtigen eutroph geborenen Kinder der Vergleichsgruppe (10,6 mmol/kg KG/24 h). Offenbar war die Proteinutilisation bei den dystrophen, ehemals hypotroph geborenen Kindern auch im Alter von 2 Jahren eingeschränkt. Schlußfolgerung: Bei diesen Kindern würde eine Anreicherung der Nahrung mit Protein keinen positiven Effekt auf die weitere Entwicklung haben.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Microchimica acta 91 (1987), S. 179-192 
    ISSN: 1436-5073
    Keywords: silicate glass ; leaching ; SIMS ; matrix effect ; isotope effect
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The distribution of oxygen and other elements within the leached layer of a soda-lime glass after a short-time treatment (15–60 min) in pure H2 18O and D2 18O was investigated by means of neutral primary beam secondary ion mass spectrometry (NPB-SIMS). The18O− profiles resulting from the penetration of an oxygen containing species are not disturbed by interference of the species H2 16O−, originating from the residual gas in the vacuum chamber. In agreement with previous results, no isotope effect could be detected. Hydration of the glass leads to a pronounced matrix effect which impedes oxygen analysis in the negative secondary ion mode. The ratio of the maximum18O− intensity in the leached layer to the16O− intensity in the bulk was recorded as a function of time for one series of experiments. The result is in accordance with the time-dependence of the Na2O concentration in the leached layer.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 2 (1863), S. 371-373 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 25 (1886), S. 411-415 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 3 (1864), S. 529-530 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 70 (1998), S. 1074-1074 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 71 (1999), S. 973-974 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 92 (1864), S. 480-485 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 89 (1863), S. 441-448 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 90 (1863), S. 172-176 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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