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  • 2005-2009  (2)
  • 1960-1964  (1)
  • 1945-1949  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 21 (1949), S. 1133-1135 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Journal of the European Academy of Dermatology and Venereology 19 (2005), S. 0 
    ISSN: 1468-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background  Biological research suggests that vascular changes may play a major role in rosacea pathogenesis. Chrysanthellum indicum is a plant-based extract containing a unique combination of phenylpropenoic acids, flavonoids and saponosids, and has a well-documented effect on vascular wall permeability and increase of the mechanical resistance of capillaries.Objective  To determine the efficacy and safety of a cream containing 1%C. indicum extract with vitamin P properties in the treatment of rosacea.Methods  This study included 246 patients diagnosed clinically as having moderate rosacea. Patients were randomly allocated to C. indicum extract-based cream (n = 125) and placebo (n = 121) groups. Patients were advised to apply the products on their face twice a day for a 12-week period. The patients were examined at the end of each 4-week period. Severity of erythema (graded by reference to six photographs), surface of erythema and rosacea overall severity scores were recorded at each visit on days 0, 28, 56 and 84. Investigators carried out a final efficacy assessment at the end of week 12. Volunteers’ final overall efficacy assessment was recorded in a self-administered questionnaire. Adverse events were identified through examination, interview and collection of comments in patients’ questionnaires.Results  Treatment with the C. indicum extract-based cream resulted in significant improvement (P 〈 0.05) in severity of erythema, overall rosacea severity compared to baseline and placebo, and investigator and patient overall efficacy assessment scores (P = 0.046 and P = 0.001, respectively) compared with placebo scores. Adverse reactions were mild, and did not differ between the C. indicum extract-based cream and the placebo groups.Conclusion  Chrysanthellum indicum extract-based cream is an effective and well-tolerated topical agent for the treatment of moderate rosacea. The mode of action of the active ingredient suggests that additional efficacy might be expected from combination with other topical treatments.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Macmillian Magazines Ltd.
    Nature 435 (2005), S. 1102-1107 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It takes a fraction of a second to recognize a person or an object even when seen under strikingly different conditions. How such a robust, high-level representation is achieved by neurons in the human brain is still unclear. In monkeys, neurons in the upper stages of the ventral visual pathway ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Microchimica acta 51 (1963), S. 734-740 
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Die Methode vonFrazer 4,6 für die gleichzeitige manometrische Bestimmung von Kohlenstoff, Wasserstoff und Stickstoff wurde ohne merkliche Einbuße an Genauigkeit in den Submilligramm-Maßstab übertragen. Ungefähr sechs vollständige Bestimmungen können innerhalb 8 Stunden ausgeführt werden. Obschon die erzielbare Genauigkeit stark von der Erfahrung des Analytikers abhängt, ist das Verfahren verhältnismäßig einfach. Analytiker ohne mikrochemische Erfahrung konnten nach zweiwöchentlicher Einübung Resultate erhalten, deren Genauigkeit denen der Tabelle 1 entspricht.
    Abstract: Résumé Le procédé décrit parFrazer 4,6 pour le dosage simultané du carbone, de l'hydrogène et de l'azote a été appliqué jusqu'à l'échelle du submilligramme sans perte sérieuse de précision. On peut effectuer approximativement six déterminations complètes en une journée de travail de huit heures. Comme la précision dépend dans une large mesure de la technique de l'analyste, la méthode présentée est relativement simple. Des analystes sans entraînement préalable en microchimie ont été capables d'obtenir des résultats avec la précision montrée sur le Tableau I, après deux semaines d'essai sur ce procédé.
    Notes: Summary The procedure described byFrazer 4,6 for the simultaneous determination of carbon, hydrogen, and nitrogen has been scaled down to the submilligram level with no serious loss of accuracy. Approximately six complete determinations can be made in an eight-hour day. Whereas the accuracy depends to a large extent upon the analyst's technique, the method presented is comparatively straightforward. Analysts with no previous microanalytical training have been able to obtain results equivalent to the accuracy shown in Table I after two weeks of experience with the procedure.
    Type of Medium: Electronic Resource
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