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  • 11
    Electronic Resource
    Electronic Resource
    Pharmacological characterisation of NK1 receptor antagonist, [D-Trp7]sendide, on behaviour elicited by substance P in the mouse (1994)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 350 (1994), S. 387-392 
    Details
    ISSN: 1432-1912
    Keywords: [D-Trp7]Sendide ; NK1 antagonist ; Intrathecal injection ; Scratching, biting and licking ; NK1 receptor binding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An analogue of sendide, [DTrp7]sendide, was newly synthetized and evaluated as a putative NK1 receptor antagonist in a mouse behavioural test. Effects of [DTrp7]sendide on the scratching, biting and licking response induced by substance P (SP), neurokinin A (NK A) and neurokinin B (NK B) was studied after intrathecal injections. When administered simultaneously with SP, an endogenous agonist for NK1 receptors, [DTrp7]sendide inhibited the behavioural response to this tachykinin in a dose-dependent manner with ID50 value of 1 t.0 pmol/mouse. The behavioural response elicited by other NK1 receptor agonists, septide and physalaemin, was reduced significantly by a small dose (32.0 pmol) of [DTrp7]sendide. Large doses (nmol order) of [DTrp7]sendide were needed to reduce the characteristic behaviour of NK A, an NK2 agonist, NK B, an NK3 agonist and eledoisin, an NK2/NK3 agonist. The duration of the antagonistic effect of [DTrp7]sendide was relatively longer. In a [3H]labeled SP binding assay using mouse spinal cord membranes, [DTrp7]sendide potently displaced [3H] labeled SP binding with a Ki value of 0.023 ± 0.007 nM, which was approximately 140 and 9400 times more potent than that of unlabeled SP and CP-96,345, respectively. These findings suggest that [DTrp7]sendide interacts selectively with the NK1 receptor in the mouse spinal cord as assayed by the receptor binding and SP-induced behavioural tests.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00178956
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  • 12
    Electronic Resource
    Electronic Resource
    Effects of the microstructure on the performance of microstrip line resonator made of MOCVD YBa"2Cu"3O"x film
    Amsterdam : Elsevier
    Physica C: Superconductivity and its applications 229 (1994), S. 129-136 
    Details
    ISSN: 0921-4534
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0921-4534(94)90821-4
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  • 13
    Electronic Resource
    Electronic Resource
    Solubilized states of water and formation of reversed micelles in polyoxyethylated nonylphenyl ethers in cyclohexane media (1995)
    Springer
    Colloid & polymer science 273 (1995), S. 195-199 
    Details
    ISSN: 1435-1536
    Keywords: Reversed micelle ; W/O microemulsion ; Polyoxyethylene nonylphenyl ether
    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 The limiting amounts of solubilization of water in the concentration range 0–200 mmol kg−1 polyoxyethylene (6 and 10) nonylphenyl ethers (NP-6 and NP-10)/cyclohexane solutions were measured by the Karl-Fischer method at 25°C. Utilizing NMR, ESR, and near infrared spectroscopic techniques, the states of water in the solubilization region obtained were examined as a function of the molar ratio of water to surfactants at various surfactant concentrations. In NP-6 system, three solubilized states of water, i.e., water interacted directly with the oxyethylene moiety of surfactant, bound water next to the hydrated oxyethylene moiety, and bulk-like water were built up. However, in NP-10 system only directly interacted water was present. It was found that the directly interacted water is distributed between monomeric surfactants and reversed micelles, and others are distributed to swollen micelles and W/O microemulsions. In addition, the minimum amounts of water required to form reversed and swollen micelles were calculated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00654018
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  • 14
    Electronic Resource
    Electronic Resource
    The concentration effect of surfactants on zeta-potential in non-aqueous dispersions (1977)
    Springer
    Colloid & polymer science 255 (1977), S. 1118-1121 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Der Einfluß der Tensidkonzentration auf das Zetapotential in nichtwäßrigen Suspensionen wurde in zwei Typen klassifiziert. Der Typ A, welcher ein Maximum in der Kurve zeigt, ist wichtiger. Ergebnisse mir dispergiettem Ruß in Cyclohexan-Lösung von Aerosol OT oder Dodecylammonium-Butyrat zeigten den Typ A. Eine Gleichgewichtstheorie, die den Einfluß der Konzentration erläutern kann, wurde vorgeschlagen. Die Gleichgewichtkonstanten und die Konzentrationen der Oberflächensitze wutden für das oben erwähnte System berechner.
    Notes: Summary The concentration effect of surfactants on zetapotential in nonaqueous suspensions was classified into two main types. The type A in which the maximum appears is more important. The result obtained for carbon black dispersed in the cyclohexane solutions of Aerosol OT or dodecylammonium butyrate showed the type A. An equilibrium theory elucidating the concentration effect was proposed and the equilibrium constants and the surface site concentrations were estimated for one of the above systems, using the relation between ion and surfactant concentrations obtained previously.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01549899
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  • 15
    Electronic Resource
    Electronic Resource
    Untersuchung des mizellaren Verhaltens einer oberflächenaktiven, Mangan(II) enthaltenden Substanz in Benzol nach der Elektronen-Spin-Resonanz-Methode (1977)
    Springer
    Colloid & polymer science 255 (1977), S. 517-517 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , 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/BF01536511
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  • 16
    Electronic Resource
    Electronic Resource
    Löslichkeit, kritische Aggregat- oder Mizellenkonzentration und Aggregatbildung von nichtionogenen oberflachenaktiven Substanzen in nichtwäßrigren Lösungen (1977)
    Springer
    Colloid & polymer science 255 (1977), S. 606-607 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , 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/BF01549761
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  • 17
    Electronic Resource
    Electronic Resource
    Effects of thermal cycle and electric field on the domain structure and electrical properties of positive temperature coefficient of resistance ceramics (1995)
    Springer
    Journal of materials science 14 (1995), S. 1394-1396 
    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/BF00270740
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  • 18
    Electronic Resource
    Electronic Resource
    Crystallization of fluoreckermannite in glass (1996)
    Springer
    Journal of materials science 15 (1996), S. 558-560 
    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/BF00579249
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  • 19
    Electronic Resource
    Electronic Resource
    A comparative evaluation method of machinability for mica-based glass-ceramics (1995)
    Springer
    Journal of materials science 30 (1995), S. 1801-1806 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The machinability of mica glass-ceramics is evaluated using a tool dynamometer. Several samples with different chemical compositions and microstructures were tested in turning operations using TiCN cermet tools. The cutting rate dependence of specific cutting energy has been studied to find a simple method for the evaluation of machinability. The mechanical strength, the surface roughness of the machined surface and the fracture toughness were measured to support the machining behaviour. For the determination of machinability, the specific cutting energy at low cutting rate conditions, neglecting an elastic impact effect, and the slope of the log-log plot of the specific cutting energy versus cutting rate were considered as the reasonable parameters. These results are correlated with the microstructure and the hardness of the workpiece. In particular, the microhardness of the sample is shown to control the cutting characteristic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00351613
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  • 20
    Electronic Resource
    Electronic Resource
    Electrical properties of sol-gel processed PLZT thin films (1994)
    Springer
    Journal of materials science 29 (1994), S. 6599-6603 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Sol-gel processed lanthanum-modified lead zirconate titanate (PLZT) thin films consisting of two different perovskite phase contents were fabricated on indium tin oxide coated Corning 7059 glass substrates with two different heating schedules: direct insertion at 650° C for 30 min and at 500° C for 2h. Optical transmittance spectra, polarization versus electric field curves, relative dielectric constant versus frequency and capacitance versus d.c. bias voltage curves of the samples were investigated. The samples showed a good transparency of over 70% and interference oscillation. A thin film consisting of mainly perovskite phase showed a slim loop hysteresis in the polarization versus electric field curve and in the capacitance versus d.c. bias voltage curve, indicating the presence of ferroelectric domains, but a film consisting of mainly pyrochlore phase did not. The dielectric constant and loss factor of the thin film consisting of mainly perovskite phase were about 90 and about 0.2, respectively, at relatively low frequency and showed dispersion of the dipolar polarization of permanent dipole moment in the ferroelectric perovskite phase in the frequency range between 10 kHz and 1 MHz.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00354027
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