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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Macromolecules 21 (1988), S. 855-857 
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical Systematics and Ecology 16 (1988), S. 575-579 
    ISSN: 0305-1978
    Keywords: Bovini ; biochemical systematics ; electrophoretic polymorphism ; molecular evolution
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical Systematics and Ecology 18 (1990), S. 175-182 
    ISSN: 0305-1978
    Keywords: Caprini ; Rupicaprini ; biochemical systematics ; electrophoretic polymorphism ; molecular evolution
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical Systematics and Ecology 20 (1992), S. 363-372 
    ISSN: 0305-1978
    Keywords: Apodemus ; Muridae ; Rodentia ; allozyme electrophoresis ; biochemical systematics ; divergence times ; isozyme electrophoresis ; molecular clock ; molecular evolution
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Polymer bulletin 7 (1982), S. 353-359 
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary High resolution carbon−13 nuclear magnetic resonance spectroscopy is used to study the structure of N-amide and N-sulphonamide derivatives of polydiallylamines and shows that these have the poly(3,4-pyrrolidinediylethylene) structure common to most polydiallylamines, not the previously reported poly(3,5-piperidinediylmethylene) structure.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Monatsschrift Kinderheilkunde 148 (2000), S. 235-238 
    ISSN: 1433-0474
    Keywords: Schlüsselwörter ; Arterielle Hypertonie ; Herzinsuffizienz ; ACE-Hemmer ; Alopezie ; Zink ; Nebenwirkungen ; Key words ; Arterial hypertension ; Congestiv heart disease ; ACE-inhibitor ; Alopecia ; Pediatrics ; Zinc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Background: Angiotensin converting enzyme-inhibitors (ACE-inhibitors) alter the function of the renin-angiotensin-aldesterone-system, which regulates the angiotensin II synthesis. Angiotensine II is known to be a potent vasoconstrictor. ACE-inhibitors are used as a standard treatment of arterial hypertension concerning the WHO-guidelines. The experiences concerning the use of ACE-inhibitors in pediatric patients are limited. The frequency of side-effects are not known on a sufficient scientific basis. Results: We report about 49 pediatric patients who were treated with ACE-inhibitors during the last two years. The children were suffering from congestive heard disease due to a congenital heardfailure or primary arterial hypertension. Two of these children (a 13 years old girl and a 16 years old boy) developed an alopecia medicamentosa. The side-effect was never reported in children before. After discontinuation of the ACE-inhibitior the hair growth returned to normal and the alopecia disappeared complete. Discussion: The pathogenesis of alopecia due to ACE-inhibitor therapy is not known. ACE-inhibitors develop their effects by binding to zinc ions located close to the active site of the Angiotensin-Converting-Enzyme. Due to this, the activity of the enzyme declines. Alopecia and some other published side-effects of ACE-inhibitor treatment (skin rash, taste disturbance) are known to be key symptoms of patients who suffer from zinc deficiency.
    Notes: Zusammenfassung Hintergrund: Angiotensinkonversionsenzymhemmer (ACE-Hemmer) greifen in das Renin-Angiotensin-Aldosteron-System ein, das die Aktivierung von Angiotensin II reguliert, einem endogenen Vasokonstriktor. Sie nehmen einen festen Platz in der Therapie der arteriellen Hypertonie (2. Stufe des WHO-Therapiekonzepts) und der Herzinsuffizienz bei erwachsenen Patienten ein. Die Erfahrungen bezüglich einer ACE-Hemmer-Behandlung und dem Auftreten von Nebenwirkungen sind bei Kindern im Vergleich zu Erwachsenen beschränkt. Ergebnisse: In einem Kollektiv von 49 pädiatrischen Patienten, die mit ACE-Hemmern (Captopril/Enalaprilat) behandelt wurden, beobachteten wir bei 2 Kindern, 3–4 Wochen nach Behandlungsbeginn, das Auftreten von Haarausfall. Diese Nebenwirkung ist bei Erwachsenen nur in wenigen Einzelfällen und bei Kinder bisher noch nicht publiziert worden. Weitere Nebenwirkungen bestanden nicht. Die Alopezie bildete sich bei beiden Kindern nach Umstellung der Behandlung vollständig zurück. Schlußfolgerung: Möglicherweise wurde die generalisierte Alopezie durch Interaktionen zwischen ACE-Hemmern und dem Zinkstoffwechsel hervorgerufen. Dieser Zusammenhang könnte auch ein häufigeres Auftreten bestimmter Nebenwirkung bei Kindern erklären, da sie über kleinere Zinkspeicher als Erwachsene verfügen.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 237 (1972), S. 381-383 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Proteins in pollen grain walls are essential for germination in poplars; they also affect the incompatibility systems on which pollen tube growth is ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 31 (1975), S. 651-653 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Pretreatment of stigmas of poplar flowers with hexane or ether promoted hybridization between normally incompatible black and white poplar species. Success rates, as measured by setting of fertile hybrid seed, exceeded 95% of those resulting normally from compatible crosses. Results suggest the existence of some incompatibility factor, possibly of a lipoid nature, located on the stigmatic surfaces.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Planta 146 (1979), S. 419-422 
    ISSN: 1432-2048
    Keywords: Eucalyptus ; Growth regulator (G) ; Myrtaceae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A growth regulator (G) occurs at high concentrations in adult leaves of E. grandis Maiden. Low concentrations of G are present in juvenile leaves of this species and also in adult leaves of some other Myrtaceae. Low concentrations of G (5×10−6 and 10−5 M) promote rooting in mung-bean cuttings and elongation in Avena coleoptile sections; high concentrations (5×10−4 M) inhibit. These and other bioassay results indicate that G may have auxin-like activity.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European journal of wildlife research 38 (1992), S. 145-159 
    ISSN: 1439-0574
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Summary The change in the heart frequencies of two red deer and three roe deer due to various anthropogenic disturbances under controlled conditions were determined by continuous monitoring. The deer were subjected to the following disturbances: people walking, horseback riding, manned kites, tractors, fire, feeding, chain saw noise, dogs barking, and shots. For red deer 118 trials for roe deer 114 trials were analyzed. In order to quantify the heart frequency reactions observed, a model was developed that considered the intensity as well as the duration of these reactions. Practically all disturbances induced a significant change in heart frequency for both species. Optical disturbances generally induced a more intensive reaction than acustic ones. For roe deer reactions varied according to the individual, the time of day, or the season; while for red deer reactions only varying according to the time of day could be observed. In general the roe deer reacted more strongly to disturbances. Both species showed no distinct accustomation to the produced disturbances.
    Abstract: Résumé On a observé, sur base d'un relevé continu du rythme cardiaque, les réactions de deux cerfs et de trois chevreuils exposés à différentes sources de dérangement anthropogène et ceci dans des conditions contrôlées. Les dérangements suivants ont été suscités: passage de personnes, pas d'un cheval, cerfvolant, tracteur, feu, affouragement, musique radiodiffusée, aboiements de chiens, bruit de tronçonneuse, tirs au fusil. On a pu analyser 118 essais chez le Cerf et 114 chez le Chevreuil. En vue de quantifier les réactions au niveau du rythme cardiaque, un modèle a été développé qui rendait compte aussi bien de l'intensité que de la durée des réactions propres au rythme cardiaque. Pratiquement chaque source de dérangement donna lieu chez chacune des deux espèces à une modification significative de la pulsation cardiaque. Les stimuli optiques déclenchèrent généralement une réponse plus marquée que les stimuli acoustiques. Chez les chevreuils, des différences individuelles aussi bien que des différences en fonction de l'heure ou de la saison se manifestèrent; chez les cerfs, par contre, ces différences n'étaient liées qu'aux heures de la journée. Généralement, les réactions des chevreuils étaient plus fortes que celles des cerfs. Chez aucune des deux espèces on ne put déceler une accoutumance caractérisée aux sources de dérangement.
    Notes: Zusammenfassung Bei zwei Rothirschen und drei Rehen wurden anhand kontinuierlicher Herzfrequenzaufzeichnungen die Reaktionen auf verschiedene anthropogene Störreize unter kontrollierten Bedingungen erfaßt. Folgende Störreize wurden gesetzt: Personenrundgänge, Pferderitte, Flugdrachen, Traktor, Feuer, Fütterung, Radiomusik, Hundegebell, Motorsägenlärm, Gewehrschüsse. Beim Rotwild konnten 118, beim Rehwild 114 Versuche analysiert werden. Zur Quantifizierung der Herzfrequenzreaktionen wurde ein Modell entwickelt, das sowohl die Intensität als auch die Dauer der Herzfrequenzreaktion berücksichtigt. Fast jeder Störreiz führte bei beiden Tierarten zu einer signifikanten Herzfrequenzänderung. Optische Störreize bewirkten generell eine intensivere Herzfrequenzänderung als akustische. Beim Rehwild zeigten sich sowohl individuelle, tageszeitliche als auch saisonale Unterschiede in den Reaktionen auf die Störreize, beim Rotwild konnten nur tageszeitliche Einflüsse festgestellt werden. Allgemein waren die Reaktionen der Rehe auf Störreize stärker ausgeprägt als beim Rotwild. Bei beiden Tierarten konnte keine ausgeprägte Gewöhnung an die gesetzten Störreize festgestellt werden.
    Type of Medium: Electronic Resource
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