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  • Electronic Resource  (18)
  • 1975-1979  (18)
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 48 (1976), S. 717-721 
    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
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Anthropology 5 (1976), S. 265-288 
    ISSN: 0084-6570
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Ethnic Sciences , Biology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Sociology 2 (1976), S. 231-268 
    ISSN: 0360-0572
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Sociology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 5 (1976), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Soluble blood group substances, with human H and A activity, have previously been shown to block the interaction between guinea pig peritoneal macrophages and migration inhibition factor from fetal calf serum (FCS-MIF), Conversely, incubation of macrophapes at 37°C for 1 h in the presence of 0.1% blood group substance, followed by thorough washing, potentiates the action of FCS-MIF. The sensitivity of the macrophages is markedly increased, allowing detection of subthreshold levels of FCS-MIF. Blood group substances (BGS) labeled with radioidine are taken up by macrophages, and a proportion remains on the surface. This radiolabeled BGS is lost from the surface spontaneously, and the rate of loss is increased by treatment with trypsin. It is suggested that the BGS mimic the natural macrophage receptor for FCS-MIF and potentiate its effect by incorporating new receptors into the macrophage membrane.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 6 (1977), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Guinea pig peritoneal exudate cells were harvested 3 to 4 days after the intra-peritoneal injection of Marcol oil. The washed cells were exposed to various concentrations of sodium periodate in phosphate-buffered saline (PBS) at pH 7.4 for 10 min at +4°C. The cells were then used in the in vitro migration assay, and migration was consistently inhibited at concentrations from 10−3 to 10−5M. The viability of the macrophages was not affected by this treatment. Sodium borohydride (10−3 to 10−5M) in PBS for 10 min at pH 7.4 reversed the periodate effect. Experiments with purified macrophages showed that sodium periodate has a direct effect on macrophage function rather than an indirect effect via the potentiation of migration inhibition factor. In support of this, the in vitro spreading of macrophages on glass substrate foe 1 h has been shown to be inhibited. This spreading inhibition can also be reversed by treatment with sodium borohydride. These results provide a new approach to understanding the biological significance and role of macrophage migration inhibition.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 8 (1978), S. 0 
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Leucocyte migration in the presence and absence of a soluble lung homogenate has been studied in a group of asymptomatic cigarette smokers. Results were expressed as migration indices. Controls consisted of age-matched subjects who had never smoked and had no past history of any pulmonary disease. The migration indices, the number of pack-years* smoked and the results of pulmonary function studies were tested for correlation.The mean leucocyte migration index of the test group of sixteen smokers was significantly less than was that of the control group (P 〈 0·001). Inhibition of leucocyte migration in the presence of the lung homogenate was not observed in any of the control subjects. Six of the sixteen asymptomatic cigarette smokers, however, were identified by inhibition of leucocyte migration in the presence of the lung homogenate. The number of pack-years which had been smoked did not correlate with the migration indices (r=−0·06); however, inhibition of leucocyte migration was not observed in subjects who had smoked less than 6 pack-years.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 7 (1977), S. 0 
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Lung-specific, cellular hypersensitivity was studied in patients with chronic pulmonary diseases. To do this, a leucocyte migration inhibition assay was performed using patient and control leucocytes incubated in the presence and absence of a soluble lung extract. Control antigens consisted of liver and kidney extracts. The immunological reactivity of these control antigens was tested by measuring migration, subsequent to incubation of leucocytes from patients with hepatic or renal disease with the liver and kidney extracts, respectively. As a second in vitro test of cell-mediated immunity, a lymphocyte cytotoxicity assay was performed, using as target cells normal chromium-labelled human lung cells.Leucocyte migration inhibition was produced by the lung extract in four out of six patients with chronic bronchitis, five out of seven patients with tuberculosis, one out of five patients with sarcoidosis and in the single patient studied with rheumatoid lung disease. Inhibition did not occur with the leucocytes from control subjects. Neither was migration inhibited when leucocytes from the patients with lung disease were incubated with the control antigens. The reactivity of these control antigens was confirmed by the fact that leucocyte inhibition occurred in two out of three patients with hepatic disease, studied using the liver extract, and in two out of three patients with renal disease, studied with the kidney extract. The cytotoxic potential of anti-lung lymphocytes was demonstrated by the fact that significant target cell cytotoxicity occurred using lymphocytes from two out of four patients with chronic bronchitis, four out of five patients with tuberculosis and in two out of four patients with sarcoidosis.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 34 (1978), S. 3719-3722 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 312 (1978), 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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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Potato research 21 (1978), S. 9-14 
    ISSN: 1871-4528
    Keywords:
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Zusammenfassung Die Anfälligkeit von gepflückten Fiederblättern der Kartoffel für Infektionen durchRhizoctonia solani wurde in Versuchen dazu benützt, Unterschiede in der Pathogenität zwischen Isolaten festzustellen. die entweder von Sklerotien von Kartoffelknollen aus dem Feldanbau. von Läsionen auf Kartoffelkeimen oder von Getreidehalmen gewonnen wurden. In diesem Artikel ist der Zusammenhang zwischen dem Blattbefall und der Herkunft und den Eigenschaften der Isolate beschrieben. Blätter der Testpflanze wurden bis ca. 250 mm unter der Endknospe entfernt. Die beiden vorletzten Fiederblättchen wurden gepflück. während sechs Stunden in Leitungswasser eingetaucht und dann mit sterilem Wasser abgespült. Die Blättchen wurden dann einzeln mit ihrer Unterseite auf eine Kultur des Versuchsisolats. das auf Wasser-Agar in 90 mm Petrischalen gedieh. gelegt. Die Virulenz jedes Isolates wurde sieben Tage nach der Inkubation bei ca 16°C unter diffusem Tageslicht in Prozent des verfärbten Gewebes gemessen. Das Ausmass des Befalls der Blätter schwankte je nach Sorte (Tabelle 3), Wachstumsbedingunen (Tabelle 1) und Alter der Pflanze bei der Musterentnahme (Tabelle 2), aber nicht nach der Herkunft der Isolate. Zwischen dem Verhalten der Isolate auf den Blättern und ihrer Wachstumsrate in der Kultur. der Art (braun bis peckschwarz). der Häufigkeit (null bis viel) und der Verteilung (geballt. konzentrisch oder zerstreut) der in vitro oder auf den Sorten. von denen die Isolate gewonnen wurden. erzeugten Sklerotien wurde keine Korrelation gefunden.
    Abstract: Résumé La sensibilité des folioles de pomme de terre à une inoculation parRhizoctonia solani a été utilisée dans le but de déterminer des différences de pathogénicité entre des souches obtenues à partir de sclérotes prélevées sur tubercules, de lésions sur germes, ou de tiges de blé. Cette publication concerne la relation existant entre le taux d'infestation des folioles, l'origine et les caractéristiques des souches. Les feuilles sont prélevées sur des plantes test à environ 250 mm en dessous du bourgeon terminal. Les deux avant dernières folioles ont été détachées, trempées dans l'eau du robinet durant 6 heures et ensuite rincées dans de l'eau stérile. Les folioles sont placées séparément avec leur épiderme inférieur sur une culture de la souche test poussant en boite de pétri de 90 mm sur milieu eau du robinet-gélose. La virulence de chaque souche est exprimée en pourcentage de tissus décolorés, mesuré après 7 jours d'incubation à 16°C en lumière du jour diffuse. L'extension de la maladie sur les folioles varie en fonction de la variété (tableau 3); des conditions de croissance (tableau 1); de l'âge de la plante et de l'échantillon (tableau 2), mais non pas en fonction de l'origine des souches. Aucune corrélation n'a été trouvée que ce soit entre le comportement des souches sur les folioles et leur taux de croissance en culture; la nature (brun à noir de jais), la quantité (zéro à beaucoup) et la distribution (concentré, concentrique ou dispersé) des sclérotes produites in vitro; ou la variété à partir de laquelle les souches ont été obtenues.
    Notes: Summary The extent of invasion of potato leaflets byRhizoctonia solani Kühn was related to the age of the plants sampled. their growing conditions and the cultivar being tested, but not to the sources of the fungal isolates. No correlation was found between behaviour of isolates on leaflets and their characteristics in vitro.
    Type of Medium: Electronic Resource
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