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  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Pharmacology 6 (1966), S. 261-292 
    ISSN: 0362-1642
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 135 (1996), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In this study we evaluated antigen-specific in vitro responses of peripheral blood lymphocytes to lipopoiysaccharide (LPS)-depleted food allergens in children who reacted to food challenge (cow's milk or hen's egg) with a deterioration of their atopic dermatitis (AD). Some ofthe children showed immediate symptoms (urticaria, bronchial asthma or gastrointestinal symptoms) as well. The proliferation of casein-stimulated lymphocytes from children reacting to cow's milk (age (0.7–5.9 years) was significantly higher (P〈0.01) than the proliferation of lymphocytes from 15 children with AD without milk allergy (age: 2.1–9.1 years). Twenty-eight T-cell clones (TCC) were established from the blood of three children sensitized to cow's milk and hen's egg who reacted to double-blind, placebo-controlled oral food challenge both with a deterioration of AD and wilh immediate symptoms. Surprisingly, 16 of 28 casein- or ovalhumin-specific TCC were CD8+. All TCC produced high amounts of IFN-γ upon stimulation with concanavalin A. In addition. 75%. of the CD4+ TCC and 44% of the CD8+ TCC secreted IL-4. Our results indicate that: (i) food-specific proliferation of blood lymphocytes can be detected in patients with clinically relevant food allergy with LPS-depleted allergens in vitro and (ii) circulating food-specific lymphocytes are CD4+ and CD8+ T cells with the capacity of producing both type 1 and type 2 cytokines.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Copenhagen : Munksgaard International Publishers
    Allergy 54 (1999), S. 0 
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1017
    Keywords: Key words Cyclopeptide ; Surfactant ; Interaction ; Micelle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract The interaction of the cyclic decapeptide antibiotic gramicidin-S (GrS) with the nonionic detergent octaethylene glycol mono-n-dodecyl ether was studied by NMR spectroscopy. Detergent binding led to a slightly altered average conformation in the d-Phe side chains of the peptide. The changing diamagnetic shielding of nearby protons resulted in chemical shift variations, the largest effect being observed for the d-Phe C α proton. The continuous upfield shift of this proton resonance, indicating rapid exchange of the peptide between detergent-associated and unassociated states, was employed for an evaluation of the detergent/peptide aggregation equilibria. The nonlinear binding plot thus obtained was attributed to essentially different aggregational states, depending on the detergent/peptide ratio. The almost linear dependence of the spin-lattice relaxation rate and of the hydrogen-deuterium exchange rate on the fraction of detergent-associated GrS could be reconciled with a simple model, comprising binding of detergent monomers and cooperative binding of micelles at low and high detergent/peptide molar ratios, respectively. Thus, GrS provides a useful model for a study of backbone dynamics and water penetration in detergent- and membrane-bound peptides and proteins. The results will also be discussed with reference to the interaction of GrS with biological membranes.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Archives of toxicology 20 (1965), S. 274-278 
    ISSN: 1432-0738
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Es wird über eine akzidentelle Vergiftung mit Chlorphentermin (Avicol) im Kindesalter berichtet, die sich in einem dreistündigen tonisch-klonischen Krampfzustand Äu\erte. Der Wirkstoff konnte im Urin papierchromatographisch nachgewiesen werden.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0738
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung 1. Kasuistisch wird der Verlauf der akuten, letalen Intoxikation eines 5 Jahre 5 Monate alten Kindes mit 18 Drg. Irgapyrin®=0,132 g/kg Amidopyrin und 0,132 g/kg Phenylbutazon, bezogen auf das Gewicht der Leiche, geschildert. Neben dem klinischen Erscheinungsbild (tonisch-klonische Krampfanfälle, Bewußtlosigkeit, Herz- und Atemstillstand) wird vor allem auf die Veränderungen im Elektrokardiogramm eingegangen. 2. Die chemisch-toxikologische Untersuchung von Magen und Mageninhalt, Magenspülflüssigkeit, Dünndarm, Dünndarminhalt, Leber und Nieren wird anhand genauer Arbeitsanweisungen beschrieben. 3. Obgleich die beiden Bestandteile des Irgapyrin® — Amidopyrin und Phenylbutazon — zu gleichen Teilen in dem Präparat vorliegen wird nachgewiesen, daß Amidopyrin viel leichter, und damit auch schneller und in größerem Umfange als Phenylbutazon gelöst und resorbiert worden war. 4. Der Vergleich des Verhaltens von Amidopyrin und Phenylbutazon im Organismus führt in Übereinstimmung mit den Ergebnissen der chemisch-toxikologischen Untersuchungen zu dem Schluß, daß die beobachtete klinische Symptomatik einschließlich der elektrokardiographischen Veränderungen während der entscheidenden Phase auf Amidopyrin zurückzuführen sind. 5. Die Auffassung, daß mit Hilfe der derzeitigen therapeutischen Maßnahmen — künstliche Ventilation. Behandlung der Acidose, Verabfolgung von Hypnotika und Psychopharmaka — die Aufrechterhaltung des Lebens „jenseits der Krampfphase“ möglich ist, wird zur Diskussion gestellt. Es wird darauf hingewiesen, daß die Myokard-Stimulation mit Hilfe eines elektrischen Herzschrittmachers zur Überbrückung der kritischen Phase der toxischen Herzschädigung erfolgreich zur Behandlung eingesetzt werden könnte.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Archives of toxicology 22 (1966), S. 137-149 
    ISSN: 1432-0738
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Der Fall einer bisher noch nicht beschriebenen akuten Chlormethiazol (Distraneurin®)-Intoxikation wird geschildert. Der Vergleich der klinischen Symptomatik mit den tierexperimentellen Befunden ergibt eine gute übereinstimmung. Durch chemisch-toxikologische Untersuchungen lie\ sich der unverÄnderte Wirkstoff lediglich im Mageninhalt nachweisen; es konnte gezeigt werden, da\ Chlormethiazol auch bei überdosierung inkürzester Zeit über mehrere Stufen abgebaut wird, so da\ die ursprüngliche Substanz im vorliegenden Fall spektrophotometrisch weder im Urin noch im Blut zu ermitteln war. Die therapeutischen Konsequenzen werden aufgezeigt.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Archives of toxicology 24 (1969), S. 201-213 
    ISSN: 1432-0738
    Keywords: Quinine ; Poisoning ; Spectrophotometric Determination ; Eye Lesions ; Therapy ; Chinin-Vergiftung ; Spektrophotometrischer Nachweis ; Augenschäden ; Therapie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Suicidale Vergiftung einer 34jährigen Patientin mit Chinin. Im Verlauf der 1. Woche der Vergiftungsbehandlung 7 Herzstillstände sowie irreversible Augenschäden. Das eingenommene Chinin konnte chemisch spektrophotometrisch qualitativ und quantitativ identifiziert werden. Diskussion möglicher morphologisch faßbarer zentralgelegener Substrate, die für die durch Chinin hervorgerufenen Veränderungen an den Augen und die psychische Alteration verantwortlich zu machen wären.
    Notes: Summary Suicidal poisoning of a 34 year old woman with quinine is described. During the first week of treatment, there developed seven cardiac arrests as well as irreversible eye lesions. The quinine ingested could be identified both qualitatively and quantitatively by a special chemical, spectrophotometric method. Discussed are morphologically discernible CNS substrates which might be held responsible for the ensuing eye changes and psychic alterations observed.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Water, air & soil pollution 80 (1995), S. 1089-1098 
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In a polluted site in Germany not only metallic, ionic and MeHg could be detected, but also organomercurials such as methyl- ethyl- and phenyl-mercury. In addition sometimes other organomercurials could be separated but up to now not identified. Extraction of the organomercurials from soil and percolating water was performed by dithizone, differentiation and detection by High-Performance-Liquid-Chromatography and atomic fluorescence detection, respectively. Differentiation between gaseous organic and gaseous elemental mercury was done by adsorption on Carbotrap® and gold filters, thermal desorption and detection by atomic fluorescence The behaviour of 8 organomercurials in soil is described. For this a lysimeter of a new design was filled with polluted soil. The top layer of the soil was spiked with 8 organomercurials. The percolating water and the air above the soil, were analyzed. Different layers of the soil were also investigated after the experiment. By synthetic rain the movement of Hg species is low: the compounds stay in the first centimeters. Ethoxyethylmercury+, tolylmercury+, and nitromersol were not detected in the percocolate. Concentrations of phenylmercury+ and hydroxymercurybenzoicacid decreased. Methoxymethylmercury+ increased. In the head of the lysimeter, volatile Hg(0) concentration increased during 150 hours by a factor of 5, while volatile organic mercury decreased during this time by a factor of 10. The organomercurial-content in soil decreased.A transformation of organic to inorganic Hg is therefore presumed.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 212 (1965), S. 139-145 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es wurden vergleichende Untersuchungen durchgeführt, die sich mit der fermentativen Spaltung der Methaqualon-Urinausscheidungsprodukte durch a) β-Glucu-ronidase und durch b) ein Gemisch von β-Glucuronidase und Sulfatase befaßten.
    Notes: Summary Comparative studies have been carried out on the fermentative splitting of the methaqualone metabolites in urine by β-glucuronidase and a mixture of β-glucuronidase and sulphatase.
    Type of Medium: Electronic Resource
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