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  • 1
    Electronic Resource
    Electronic Resource
    ANTIARRHYTHMIC PROPERTIES OF 5-(3-TERT-BUTYLAMINO-2-HYDROXY)PROPOXY-3,4-DIHYDRO-CARBOSTYRIL HYDROCHLORIDE (OPC- 1085), A NEWLY SYNTHESIZED, POTENT β-ADRENORECEPTOR ANTAGONIST (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 4 (1977), S. 0 
    Details
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. The antiarrhythmic properties of 5–(3-tert-butylarnino-2-hydroxy)propoxy-3,4-dihydrocarbostyril hydrochloride (OPC-1085) were compared with those of propranolol and pindolol using various kinds of preparations for experimental arrhythmia in dogs.2. Although OPC-1085 was the most potent drug to antagonize adrenaline-induced arrhythmia in animals anaesthetized with either pentobarbitone sodium or halothane, it was scarcely effective on ouabain-induced arrhythmia in pentobarbitone sodium anaesthetized animals.3. When these compounds were administered intravenously to conscious dogs 24 h after two-stage ligation of the anterior descending artery, ectopic ventricular beats of coronary ligation-induced arrhythmia were reduced while regular sinus beats were simultaneously increased.4. OPC-1085 was very effective on aconitine-induced arrhythmia in dogs anaesthetized with pentobarbitone sodium. The effective dose was similar to that of propranolol but about fifteen times less than that of pindolol.5. It is concluded that different potencies among these β-adrenoreceptor antagonists against various kinds of experimental arrhythmias cannot be simply deduced from any one of the following properties; β-adrenoreceptor antagonism, intrinsic myocardial stimulation, local anaesthetic and so-called quinidine-like effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1681.1977.tb02684.x
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  • 2
    Electronic Resource
    Electronic Resource
    Optical constants for coated thin films in the soft x-ray region : INTERNATIONAL CONFERENCE ON SYNTHROTRON RADIATION INSTRUMENTATION TSUKABA (JAPAN) (1989)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 60 (1989), S. 2227-2230 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We present optical constants for Ti, V, and Ni in the 2–4.5 nm wavelength region. The reflected synchrotron radiation intensity was measured at more than 30 incident angles for each wavelength. A protective layer of carbon was sputtered onto each sample to prevent surface oxidization. A three-phase model was used to analyze the data. Instead of replacing some of the parameters by values determined by other experimental methods, eight parameters were simultaneously used in the least squares fitting. A 5-nm layer of carbon was found to be thin enough not to cause significant errors in the derived optical constants of the test materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1140776
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  • 3
    Electronic Resource
    Electronic Resource
    Crystal structure of magnetite under pressure (1986)
    Springer
    Physics and chemistry of minerals 13 (1986), S. 238-244 
    Details
    ISSN: 1432-2021
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Abstract The crystal structure and the unit-cell parameters of magnetite have been studied at room temperature up to a pressure of 4.5 GPa using a diamond anvil cell and a four-circle X-ray diffractometer. The isothermal bulk modulus (K T ) and its pressure derivative (K' T ) determined by fitting the pressure-volume data to the Murnaghan equation of state are 181(2) GPa and 5.5(15), respectively. The positional parameter u does not vary significantly over the pressure range of this study. The linear compressibilities of the interatomic distances and the bulk moduli of the polyhedra have been calculated from the pressure dependences of the unit-cell edge a and the u parameter. The Bloch equation has been modified to derive a relationship between the Néel temperature and the parameter u. The modified Bloch equation gives a closer agreement with the experimental results than the Weisz equation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00308275
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  • 4
    Electronic Resource
    Electronic Resource
    Force microscopy imaging of photopatterned organosilane monolayers: application to probe alignment in AFM patterning following photolithography (1998)
    Springer
    Applied physics 66 (1998), S. S427 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 82.65.-i; 82.80.-d; 68.60.-p
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390051176
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