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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Applied psychophysiology and biofeedback 18 (1993), S. 211-223 
    ISSN: 1573-3270
    Keywords: biofeedback of respiratory resistance ; bronchial asthma ; self-monitoring
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study evaluated the effectiveness of a respiratory resistance biofeedback training. Fifteen adult asthmatic subjects participated in a feedback training program including twelve feedback sessions (three sessions weekly). Respiratory resistance (R os) was measured using the forced oscillation method; to prevent subjects from lung hyperinflation, feedback was interrupted when functional residual capacity increased. One-second forced expiratory volume (FEV 1 ), usage of self-administered medication, degree of asthmatic dyspnoea, and general activity were daily recorded in symptom diaries for at least three months, starting four weeks before the first feedback session. Seven subjects showed significant averageR os decreases within the sessions, while meanR os in two subjects was increased. However, these direct feedback effects were not related to transfer effects outside the laboratory: e.g., not one of the seven successful subjects showed FEV1 improvements, and only in one of them were within-sessionR os reductions accompanied by a decreased frequency of self-administered medication during the training period. These results lead to the conclusion thatR os feedback may not be an effective technique for the treatment of bronchial asthma in adults.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0044-2313
    Keywords: Polynuclear CuI chelates ; N-thiophosphoryl thiourea complexes ; polyion aggregate ; NMR investigation ; X-ray structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Structure of Tris[N,N-Diethyl N′-Diphenoxythiophosphoryl Thioureato Copper(I)], {CuI[(C6H5O) 2P(S)NC(S)N(C2H5)2]}3- an Aggregate Containing a [Cu3S6] NucleusA reduction of copper(II) to copper(I) occurs in the reaction of N,N-diethyl-N′-diphenoxythiophosphoryl thiourea (C6H5O)2P(S)—NH—C(S)—N(C2H5) with Cu2+ in presence of ethanol, and the trinuclear, neutral, diamagnetic chelate complex {CuI [(C6H5O)2 P(S)NC(S)N(C 2H5)2]}3 is yielded in form of colourless orthorhombic crystals (a = 18.588 Å, b = 25.875 Å, c = 24.881 Å). The lipophilically wrapped polyion aggregate contains a [Cu3S6] nucleus with trigonal planar coordinated copper(I).
    Notes: Bei der Reaktion von N,N-Diethyl-N′-diphenoxythiophosphoryl-thioharnstoff (C6H5O)2P(S)—NH—C(S)—N(C2H5) mit Cu2+ in Gegenwart von Ethanol erfolgt eine Reduktion von Kupfer(II) zu Kupfer(I), und es bildet sich der trinukleare, neutrale, diamagnetische Chelatkomplex {CuI[(C6H5O)2P(S)NC(S)N(C2H5)2]}3 in Form farbloser, orthorhombischer Kristalle (a = 18,588 Å, b = 25,875 Å, c = 24,881 Å). Das lipophil umhüllte Polyionenaggregat [Cu+(SPNCS)-]3 enthält einen Cu3S6Kern mit trigonal planar koordiniertem Kupfer(I).
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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