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  • 11
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 18 (1978), S. 0 
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: In glasshouse experiments 1,8-naphthalic anhydride (NA) as a seed dressing, and N,N-diallyl-2,2-dichloroacetamide (R25788), either as a seed dressing or mixed in the spray tank with the herbicide, protected maize (Zea mays L.) from subsequent barban damage. When applied after maize emergence, R25788 was not effective through the foliage but had to reach the soil to provide protection. Soil drench treatments of R25788 countered barban damage successfully if applied up to 7 days prior to spraying or up to one day after. Delay of application to 2 or 3 days after barban resulted in only partial protection.Neither NA nor R25788 completely protected barley (Hordeum vulgare L.) or oats (Avena saliva L.) from a subsequent barban spray. Interactions entre le barbane et des produils protecteurs sur le maïs, l'avoine el l'orgeDans des expériences faites en serre, I'anhydride 1,8-naphtalique (AN) employé pour l'enrobage des semences et le N,N-dial-lyl-2,2-dichloroacetamide (R 25788) egalement en enrobage oumélangé dans le réservoir du pulvérisateur avec I'herbicide, ont protégé le maïs (Zea mays L.) des dommages résultant d'un traitement au barbane. Lorsqu'il a été appliqué après la levée du maïs, le R 25788 ne s'est pas montré efficace par voie foliaire: il doit atteindre le sol pour assurer une protection. Les traitements du sol en pluie abondante avec le R 25788 ont supprime efficacement les dégCts du barbane s'ils ont été effectues au plus 7 jours avant le traitement ou 1 jour au plus apres. Lorsque l'applicationa été faite 2 ou 3 jours apres le traitement au barbane, la protection n'a été que partielle.Ni l'AN ni le R 25788 n'ont complètement protégé I'orge (Hordeum vulgare L.) ou I'avoine (Avena sativa L.) d'un traitement ultériéur avec le barbane. Interaktionen zwischen Barban und Schutzstoffen (Antidote) bei Mais. Hafer und Gerste In Gewächshausversuchen wurde Mais (Zea mays L.) vor einer Schädigung durch Barban geschützt, wenn 1,8-Naphthylsäure-anhydrid (NA) als Saatgutbeize und N,N-Diallyl-2,2-dichlor-acetamid (R 25788) entweder als Saatgutbeize oder als Tankmischung mit dem Herbizid angewendet wurden. Wenn R 25788 nach dem Auflaufen des Maises appliziert wurde, musste es um wirksam zu werden, auf den Boden gelangen; eine Wir-kung über die Blätter konnte nicht festgestellt werden. Durch die Anwendung von R 25788 im Giessverfahren trat kein Barbanschaden auf, vorausgesetzt, dass die Anwendung bis zu 7 Tage vor oder bis zu einen Tag nach der Spritzung erfolgte. Wurde die Applikation erst 2 oder 3 Tage nach der Barbansprit-zung durchgeführt, dann wurde nur ein teilweiser Schutz erzielt. Gerste (Hordeum vulgare L.) und Hafer (Avena saliva L.) wurden weder durch NA noch durch R 25788 völlig vor der schädigenden Wirkung einer darauffolgenden Barbanspritzung geschützt.
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 603 (1990), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 216 (1967), S. 283-284 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fresh specimens of macroscopically normal human lung were obtained after surgery for carcinoma of the lung. The specimens were transported to the laboratory in ice-cold oxygenated Tyrode solution. The primary bronchi and blood vessels were dissected out and about 12 g of lung parenchyma was chopped ...
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    Springer
    Inflammation 20 (1996), S. 11-21 
    ISSN: 1573-2576
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Extracellular adenosine has pharmacological activity on a wide variety of cell types and may play an important role as an inflammatory modulator with both pro- and anti-inflammatory activities. These studies examine the effects of adenosine on guinea pig pulmonary eosinophils. Adenosine alone did not directly induce superoxide (O 2 − ) production. Pretreatment with adenosine primed the O 2 − response of guinea pig pulmonary eosinophils following the addition of 1 or 10μM plateletactivating factor (PAF). Priming was seen at adenosine concentrations greater than 1 μM and was maximal at 100μM. At this maximal dose, adenosine priming increased the O 2 − response to 1μM and 10μM PAF by 86% and 51%, respectively. Priming by adenosine was not seen when ionomycin or phorbol myristate acid (PMA) were used as agonists. In fura-2 loaded eosinophils, the addition of 100 μM adenosine resulted in a small but significant rise in intracellular calcium of 54.4 ±9.2 nM above baseline. In contrast, similar adenosine concentrations had no effect on cytosolic calcium levels in guinea pig neutrophils. These data demonstrate a pro-inflammatory role for adenosine in elicited guinea pig pulmonary eosinophils.
    Type of Medium: Electronic Resource
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