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  • Nuclear reaction  (5)
  • grasshopper  (3)
  • Austria  (2)
  • Myocyte  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Proton quasi-particle states in ^1^4^3Pm
    Amsterdam : Elsevier
    Nuclear Physics, Section A 113 (1968), S. 75-80 
    Details
    ISSN: 0375-9474
    Keywords: Nuclear reaction
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0375-9474(68)90883-X
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The 1h"9"2 proton orbit size in ^2^0^9Bi
    Amsterdam : Elsevier
    Nuclear Physics, Section A 356 (1981), S. 33-47 
    Details
    ISSN: 0375-9474
    Keywords: Nuclear reaction
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(81)90116-0
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  • 3
    Electronic Resource
    Electronic Resource
    Vibrational states of ^2^0^7Tl
    Amsterdam : Elsevier
    Nuclear Physics, Section A 127 (1969), S. 71-80 
    Details
    ISSN: 0375-9474
    Keywords: Nuclear reaction
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(69)90768-4
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Electromagnetic properties in ^1^6^5Lu
    Amsterdam : Elsevier
    Nuclear Physics, Section A 489 (1988), S. 508-524 
    Details
    ISSN: 0375-9474
    Keywords: Nuclear reaction
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(88)90009-7
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  • 5
    Electronic Resource
    Electronic Resource
    The reaction ^2^0^9Bi(t, α)^2^0^8Pb
    Amsterdam : Elsevier
    Nuclear Physics, Section A 107 (1968), S. 241-252 
    Details
    ISSN: 0375-9474
    Keywords: Nuclear reaction
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(68)90616-7
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    The effect of oximes on the dihydropyridine-sensitive Ca current of isolated guinea-pig ventricular myocytes (1993)
    Springer
    Pflügers Archiv 422 (1993), S. 325-331 
    Details
    ISSN: 1432-2013
    Keywords: Myocyte ; Voltage clamp ; Ionic currents ; Oximes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Exposure of isolated guinea-pig ventricular myocytes to the uncharged oximes 2,3 butanedionemonoxine (BDM) and norPAM (but not by the charged PAM) results in a dose-dependent reduction of the duration of the action potential. The nifedipine-sensitive Ca current is fully inhibited by BDM (IC505.8±0.4 mM) and nor PAM but is little affected by PAM. This inhibition is unaltered by the presence of BAY K 8644 but is antagonized by isoprenaline. The effect of isoprenaline is more pronounced when the solution in the patch pipette contains the non-hydrolysable analogue of adenosine 5′-triphosphate, ATPγS (the IC50 is increased to 44.0±5.2 mM). A hastening of the inactivation of the L-type Ca current persists when either 10 mM 1,2-bis(2-aminophenoxy)-ethane-N, N, N′, N-tetraacetic acid (BAPTA) or 3 mM ATPγS is present in the pipette solution or when BAY K 8644 or isoprenaline are present in the bathing fluid. These results suggest that the inhibition of the Ca current is due to the phosphatase-like activity of the oximes but differs in some respects from previous work where a reduced level of phosphorylation is achieved by the introduction of protein kinase inhibitors or protein phosphatases into the sarcoplasm in guinea-pig myocytes. These differences could be explained if Ca channel availability is regulated by at least two sites of cAMP-dependent phosphorylation with oximes able to rapidly dephosphorylate both sites, while one of these sites is not readily dephosphorylated by the endogenous phosphatases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00374287
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  • 7
    Electronic Resource
    Electronic Resource
    A novel resin-filled ion-sensitive micro-electrode suitable for intracellular measurements in isolated cardiac myocytes (1990)
    Springer
    Pflügers Archiv 416 (1990), S. 196-200 
    Details
    ISSN: 1432-2013
    Keywords: Myocyte ; Intracellular ions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A method for the manufacture of ion-sensitive micro-electrodes, which can be readily used with small single cells, is described in detail. A glass pipette with a tip size of 1 μm, essentially similar to those used as suction electrodes in whole-cell recording, when silanized and with its tip filled with a suitable ion-sensitive resin, producesan ion-sensitive electrode with fast electrical and chemical response times. These electrodes can be applied to the cell membrane of isolated myocytes and penetration achieved without cell damage, by the application of suction. For the estimation of intracellular ionic activities they can be used in conjunction with a separate conventional KCl-filled micro-electrode or a suction voltage electrode. The technique is illustrated by the measurement of intracellular Na+, Ca2+ and pH. It is possible that these electrodes can also be used to measure local changes in ionic activity in restricted areas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00370242
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  • 8
    Electronic Resource
    Electronic Resource
    Exsolution intergrowths of titanian ferrocolumbite and niobian rutile from the Weinebene Spodumene Pegmatites, Carinthia, Austria (1989)
    Springer
    Mineralogy and petrology 40 (1989), S. 197-206 
    Details
    ISSN: 1438-1168
    Keywords: Tantalum ; Niobium ; Titanium ; Columbite ; Rutile ; Mineralogy ; Geochemistry ; Pegmatite ; Austria ; Ostalpen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Zusammenfassung Titan-Ferrocolumbit ist ein seltenes Akzessorium in den Spodumenpegmatiten der Weinebene, Kärnten, Österreich. Er enthält entmischten niobhaltigen Rutil und selten Einschlüsse von möglicherweise primärem Zinnstein. Die Zusammensetzung des TitanFerrocolumbits ist relativ homogen und weist die folgenden Elementverhältnisse auf. Mn/(Mn + Fe) 0,24 – 0,33, Ta/(Ta + Nb) 0,09 – 0,13 (Atomverhältnisse) und 0,47 – 0,88 Ti pro 12 Kationen (2,7 - 5,0Gew.%TiO2). Natürlich auftretende Kristalle sind strukturell merklich ungeordnet und erlangen durch Erhitzen einen höheren Ordnungsgrad. Die Mn/(Mn + Fe) sowie Ta/(Ta + Nb) Verhältnisse des niobhaltigen Rutil betragen 0,00 – 0,04 bzw. 0,26 – 0,38. Der niobhaitige Rutil ist im Vergleich zu Mn- und Nb-führendem Ferrocolumbit an Fe, Ta, Ti und Sn angereichert.—Die Seltenheit von Nb, Ta-Oxiden in den spodumenführenden Pegmatiten der südlichen Ostalpen steht in Übereinstimmung mit ihrer Zugehörigkeit zum Albit-Spodumen Typ der selten-Element-führenden Pegmatite (rare-element pegmatites).
    Notes: Summary Titanian ferrocolumbite is a rare accessory mineral in the spodumene-bearing pegmatites at Weinebene, Carinthia, Austria. It contains abundant exsolved niobian rutile and scarce inclusions of cassiterite that may be primary. The titanian ferrocolumbite is relatively homogeneous with Mn/(Mn + Fe) 0.24–0.33, Ta/(Ta + Nb) 0.09–0.13 (atomic ratios) and 0.47–0.88 Ti per 12 cations (2.7–5.0 wt.% TiO2). Natural specimens are considerably disordered but become more ordered on heating. Niobian rutile has Mn/(Mn + Fe) 0.00–0.04 and Ta/(Ta + Nb) 0.26–0.38; it concentrates Fe, Ta, Ti and Sn relative to the Mn- and Nb-enriched ferrocolumbite. The overall scarcity of Nb, Ta-oxide minerals in the spodumene-bearing pegmatites of southern Ostalpen conforms to their general features ranking them with the albite-spodumene type of rare-element pegmatites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01164489
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  • 9
    Electronic Resource
    Electronic Resource
    The importance of palpation in food selection by a polyphagous grasshopper (Orthoptera: Acrididae) (1993)
    Springer
    Journal of insect behavior 6 (1993), S. 79-91 
    Details
    ISSN: 1572-8889
    Keywords: associative learning ; grasshopper ; palpation ; plant surface
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The behavioral responses of final-instar nymphs of Schistocerca americanato a variety of acceptable and unacceptable plants were recorded. Palpation occurred on all plants and the palps are involved in both acceptance and rejection. On most unacceptable plants, rejection was at first dependent on biting the leaf, but subsequently on Lantana, Machaeranthera, Moms,and Physalis,rejection often occurred after palpation of the surface alone. This is consistent with the suggestion that associative learning occurs. This response did not wane even when the insects had been without food for over 2 h. There was also some evidence of an innate response to the surface characteristics of Physalis.The features of the surfaces that produced these responses were not determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01049149
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  • 10
    Electronic Resource
    Electronic Resource
    The relationship between plant acceptability and suitability for survival and development of the polyphagous grasshopper,Schistocerca americana (Orthoptera: Acrididae) (1994)
    Springer
    Journal of insect behavior 7 (1994), S. 411-431 
    Details
    ISSN: 1572-8889
    Keywords: development ; food aversion learning ; grasshopper ; habituation ; plant acceptability ; polyphagy ; survival
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The feeding behavior of final-instar nymphs ofSchistocerca americana was observed when they first encountered plants that ranged in acceptability from being eaten in large amounts to not being eaten at all. Growth and survival on the same plants through the last stadium were also studied and the results combined as a suitability index to facilitate comparison with the behavior. Although the plants that were eaten most gave the highest suitability index and those that were not eaten permitted no survival, there was no simple relationship between the amounts eaten and the suitability for growth and survival. The possibility that the insects might become habituated to plants that were initially unacceptable was investigated, but no habituation was found over a 3-day period. It is suggested that food intake is largely determined by the presence of deterrent compounds in the less acceptable foods and that nutritional differences between the plants are likely to have been of minor importance. The behavior on some foods suggests that food aversion learning may be involved. It is concluded that the variability of the insects' behavior makes it impossible to predict the suitability of a plant from their immediate behavioral responses. In the field, insects may sometimes reject foods that would be suitable for survival and development, and feed on plants that are nutritionally deficient or even toxic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02025441
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