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  • 1990-1994  (6)
  • 1955-1959  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Expression of GAP-43 mRNA in Mouse Spinal Cord Following Unilateral Peripheral Nerve Damage: is There a Contralateral Effect? (1993)
    Oxford, UK : Blackwell Publishing Ltd
    European journal of neuroscience 5 (1993), S. 0 
    Details
    ISSN: 1460-9568
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Two new oligonucleotide anti-sense probes and their corresponding sense probes specific for mouse GAP-43 mRNA were synthesized and end-labelled with digoxygenin. They were used to localize GAP-43 mRNA in the spinal cords of normal mice and in mice 3 and 7 days following unilateral sciatic nerve cut. GAP-43 mRNA was found to be expressed at low levels in motor and other neurons of the normal spinal cords. As expected from other studies, up-regulation occurred in the cell bodies of axotomized motor neurons but, in addition, up-regulation was also observed in the cell bodies of intact motor neurons contralateral to the lesion. Densitometer measurements showed that the up-regulation of GAP-43 mRNA was less in the intact, contralateral motor neuron cell bodies than in the axotomized motor neuron cell bodies and furthermore was transient, being higher at 3 days than at 7 days following axotomy. Both anti-sense probes gave the same result, although differences in cellular localization were observed, and the two sense probes were negative. Probe binding was abolished by pretreatment of the sections with ribonuclease and hybridization was carried out under different conditions of stringency in order to ascertain whether the contralateral expression of GAP-43 mRNA was a true reflection of its distribution in vivo. There is conflicting evidence on the presence or absence of contralateral effects following unilateral peripheral nerve injury in the literature, and it is suggested that these differences can be accounted for by the methodology and type of probe used.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-9568.1993.tb00234.x
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  • 2
    facet.materialart.
    Unknown
    Landscape and the Geographer. (1959)
    Macomb, Ill., etc. : Periodicals Archive Online (PAO)
    Journal of Geography. 58 (1959:Jan./Dec.) 138 
    Details
    ISSN: 0022-1341
    Topics: Geography
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:1129-1959-000-00-000023
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    Paper (German National Licenses)
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  • 3
    facet.materialart.
    Unknown
    Dr. John Fothergill and the Angina Pectoris (1957)
    London : Periodicals Archive Online (PAO)
    Medical History. 1 (1957) 115 
    Details
    ISSN: 0025-7273
    Topics: History , Medicine
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:5254-1957-001-00-000017
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  • 4
    Electronic Resource
    Electronic Resource
    Water Relations of Leaves from Woody and Herbaceous Plants (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1271-1272 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 shows the results of an experiment in which five mature leaves of Euonymus europaeus L. and of sugar beet were brought to full turgor and then allowed to wilt under constant light, temperature and humidity with hourly determinations of weight, area and volume (by displacement of water). The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1811271a0
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  • 5
    Electronic Resource
    Electronic Resource
    Responses of Aphis fabae scop. To water shortage in host plants in pots (1958)
    Springer
    Entomologia experimentalis et applicata 1 (1958), S. 274-290 
    Details
    ISSN: 1570-7458
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung 1. Die Wirkungen beträchtlichen Wassermangels getopfter Wirtspflanzen auf Ansiedlung und Vermehrung von Aphis fabae Scop. wurde in Gewächshausversuchen mit im Labor herangezogenen geflügelten Virginoparen an Evonymus europaeus L. und mit Ungeflügelten an Vicia faba L. sowie in einem Feldversuch bei der natürlichen Besiedlung von E. europaeus untersucht. 2. Der Wassermangel verminderte Ansiedlung und Larvenproduktion und vergrößerte den Anteil geflügelter Nachkommen. Diese negativen Wirkungen können die normalen Wirkungen des Blattalters auslöschen, waren aber durch Wiederversorgung der Topferde mit Wasser leicht reversibel. Sie traten trotz der Bereicherung des Phloemsaftes ein, die aus dem Altern und der veränderten Zusammensetzung der Blätter bei Wasserverknappung zu schließen war. Sie werden auf Reize zurückgeführt, die auf einer Reduktion der für die Blattläuse zur Verfügung stehenden Saftmenge beruhen, welche als Folge reduzierten Turgordruckes oder steigender Saftviskosität entsteht. 3. Die gegenteiligen günstigen Auswirkungen des Wassermangels, über die früher bei verschiedenen Blattläusen berichtet wurde, können auf weniger starkem oder vorübergehendem Wassermangel in der Pflanze beruhen, wenn die Verringerung der erreichbaren Saftmenge von ihrer erhöhten Qualität mehr als ausgeglichen wird.
    Notes: Abstract Water strain in the host plant reduced aphid feeding and larviposition and sometimes increased the proportion of winged offspring. These negative effects on the aphids occurred despite the enrichment of the phloem sap that could be inferred from the senescence and changing composition of the leaves under water strain, tended to obliterate the normal effects of leaf age, and were readily reversible. They are attributed to stimuli associated with a reduction in the quantity of sap obtainable by the aphids owing to reduced turgor pressure or increased sap viscosity. The opposite, positive effects recorded previously with various aphids may be associated with less severe or intermittent water strain in the plant when the reduced quantity of sap obtainable is more than compensated by its improved quality.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00302676
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  • 6
    Electronic Resource
    Electronic Resource
    Micellisation and gelation of block-copoly(oxyethylene/oxybutylene/oxyethylene) E58 B17 E58 (1992)
    Springer
    Colloid & polymer science 270 (1992), S. 1094-1105 
    Details
    ISSN: 1435-1536
    Keywords: Oxybutylene/oxyethylene triblockcopolymer ; micellisation ; gelation properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A triblock-copoly(oxybutylene/oxyethylene), denoted E58 B17 E58 (80 wt-% E), was prepared by sequential anionic copolymerisation and its micellar and gelation properties in aqueous solution were determined. The oxybutylene/oxyethylene copolymer had the advantage over comparable oxypropylene/oxyethylene copolymers of greater uniformity of composition and chain length. The methods generally used were surface tension, light scattering intensity, photon correlation spectroscopy, together with observation of gelation. Measurements were made at 30°, 40° and 55° C over a full concentration range from dilute solution into the gel (〉200 g dm−3) and at specified concentrations, including the gel, over the temperature range from 10° to 70° C. The lower and upper temperature boundaries of the gel region were identified, and the occurrence of syneresis was noted. The properties investigated and discussed include critical micelle and gel concentrations, micellar weights and sizes, and structures and mobilities in the gel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00652874
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  • 7
    Electronic Resource
    Electronic Resource
    Uphill diffusion in YBa2Cu3O7-δ thick film on Al2O3 substrate (1990)
    Springer
    Journal of materials science 9 (1990), S. 669-671 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00721798
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  • 8
    Electronic Resource
    Electronic Resource
    Responses of Aphis fabae Scop. to water shortage in host plants in the field (1959)
    Springer
    Entomologia experimentalis et applicata 2 (1959), S. 1-11 
    Details
    ISSN: 1570-7458
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung 1. Das Verhalten freilebender und gekäfigter virginoparer Geflügelter von Aphis fabae Scop. auf Blättern von Evonymus europaeus L. und Beta vulgaris L., die bei trockenem Sommer-wetter zusammen in einem Gartenbeet wuchsen, wurde vor und nach künstlicher Bewässerung eines Teiles des Beetes beobachtet. 2. Besiedlung, Larvenproduktion und Überlebenstrate waren auf reifen Blättern unbewässerter Planzen beider Arten niedriger. Doch waren diese Wirkungen der Wasserbelastung in der Wirtspflanze bei Evonymus stärker. Auch bei reichlicher Wasserversorgung der Wurzeln wurden die Aphiden auf Evonymus ungünstig beeinflusst, wenn die atmosphärischen Bedingungen rasche Transpiration begünstigten. Wenn sich die Pflanzen am Abend oder während der Tage unmittelbar nach der Bewässerung vom Wassermangel erholten, verbesserte sich zeitweilig die Wirtseignung der reifen Blätter im Vergleich mit dem Laub anderer Alterszustände der gleichen Pflanzen bzw. mit der reifer Blätter an Pflanzen, die vorher keinen Wassermangel erlitten hatten. 3. Die unterschiedlichen Ergebnisse, über die früher bei Feldkäfigversuchen zum Vergleich der Wirtseignung von Evonymus und Beta für Aphis fabae berichtet wurde, lassen sich in Übereinstimmung mit den vorliegenden Versuchen auf Witterungsänderungen zurückführen. 4. Die mehr auf Trockenresistenz ausgerichteten physiologischen Eigenschaften des holzigen Primärwirtes Evonymus scheinen sein Resistentwerden gegen Befall mit Aphis fabae bei Sommerwitterung zu unterstützen und damit die Abwanderung der Aphiden zu begünstigen.
    Notes: Abstract After two weeks of clear summer weather the water strain in naturally-rooted plants of Euonymus europaeus L. and Beta vulgaris L. was sufficient to reduce substantially the settling, larviposition and survival of A. fabae on mature leaves. These effects were more severe in Euonymus than Beta especially in conditions favouring rapid transpiration. A previous water strain on the other hand improved the host status of mature leaves during the recovery process, which was slower in Euonymus. The more drought-resistant properties of the woody host Euonymus help to make it resistant to colonisation by A. fabae in the summer, when herbaceous hosts such as Beta are preferred.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00344515
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  • 9
    Electronic Resource
    Electronic Resource
    Book reviews (1992)
    Springer
    Journal of applied electrochemistry 22 (1992), S. 893-897 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01023736
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  • 10
    Electronic Resource
    Electronic Resource
    Measurement of the transverse momentum distributions ofW andZ bosons at the CERN $$\bar pp$$ collider (1990)
    Springer
    The European physical journal 47 (1990), S. 523-531 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The transverse momentum distributions ofW andZ bosons produced in $$\bar pp$$ collisions at $$\sqrt s = 630 GeV$$ are examined. Comparisons are made with QCD predictions, and good agreement is found. The fraction ofW bosons produced withp T 〉25 GeV is found to be 3.8±0.6(stat) −1.3 +0.9 (syst)%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01552316
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