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  • 1995-1999  (30)
  • 1925-1929
  • 1997  (14)
  • 1995  (16)
  • 1
    Electronic Resource
    Electronic Resource
    Bullous pemphigoid in association with cutaneous lesions specific to a myelodysplastic syndrome (1997)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 136 (1997), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Specific cutaneous lesions are a rare occurrence in myelodysplastic syndromes (MDS). The concurrent association of blistering skin lesions similar to those in bullous pemphigoid (BP), even though a rare event, suggests that BP may be a paraneoplastic syndrome. We report an 86-year-old man who had a refractory anaemia with excess bone marrow blasts in transformation, who developed a generalized pruritic blistering eruption. Immunohistopathological tests showed subepidermal blisters with linear deposits of IgG and C3 along the basement membrane zone of the epidermis surrounding a tumoral dermal infiltrate of CD13+ and CD15+ cells. Immunoblotting studies using epidermal extracts revealed circulating IgG antibodies against three protein bands: a 210–215 kDa band. a 180kDa band which co-migrated with the BP 180 antigen, and a 190kDa band. The tumour infiltrate may have revealed antigenic determinants which led to the onset of BP. The concept of paraneoplastic pemphigoid remains to be either confirmed or invalidated by further epidemiological studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2133.1997.d01-1210.x
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  • 2
    Electronic Resource
    Electronic Resource
    Photoluminescence of CuInS2 thin films and solar cells modified by postdeposition treatments (1997)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 71 (1997), S. 482-484 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The photoluminescence of CuInS2 thin films and solar cells is investigated as a function of postdeposition treatments for different temperatures and excitation intensities. Annealing in hydrogen atmosphere causes an increase of PL intensity at 1.445 eV by more than a factor of 100, while subsequent annealing in oxygen or air ambient passivates this transition, which is ascribed to a donor-acceptor pair recombination between a sulphur vacancy and a copper vacancy. A defect mechanism is suggested that assumes the passivation of sulphur vacancies by oxygen in grain surfaces which can be activated by hydrogen annealing. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.119585
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  • 3
    Electronic Resource
    Electronic Resource
    Evidence for normal and inhomogeneous lowermost mantle and core-mantle boundary structure under the Arctic and northern Canada (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 122 (1995), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Seismic P waves from a total of about 200 nuclear explosions in the USA, the former USSR and China, observed at 10 arrays and four networks in Europe, Canada and the USA, are used to analyse the structure at the base of the mantle and the core-mantle boundary (CMB).The simple waveforms and well-controlled source parameters of nuclear explosions allow one to use the events as source arrays in addition to the usual receiver array configuration. A new array technique (double beamforming; Krüger et al. 1993) integrating both concepts is applied, which increases the slowness resolution considerably.A total of 56 source-receiver combinations (i.e. reflection points in the lower mantle or on the CMB) could be analysed. In five regions, anomalous arrivals (PdP) with slowness and arrival times between those of P and PcP are observed. One of these five areas (Svalbard region) shows short-period PcP/P amplitude ratios, which are about three times higher than those predicted by standard earth models. In the Severnaya Zemlya region, where PdP and PcP precursors were observed previously (Krüger et al. 1993), PcP shows azimuth deviations of up to 10°. For some other regions, deviations of the PcP waveform from the direct P waveform are also observed.These anomalous phases and the PcP waveform distortions cannot be explained with standard 1-D earth models. They are probably produced by inhomogeneities in the lowermost mantle. The observed variations in the waveforms are strong indications of a laterally heterogeneous structure in two depth ranges. The first is the CMB and its immediate vicinity of a few tens of kilometres; the second region is the depth range between about 200 and 300 km above the CMB. Maps of the North Pole region, giving the distributions of inhomogeneities in the lower mantle and on the CMB, are presented. These maps show evidence of strong heterogeneity of the D″ boundary layer and possibly also of the CMB in the same area.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1995.tb07017.x
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  • 4
    Electronic Resource
    Electronic Resource
    Acyclovir-resistant chronic cutaneous herpes simplex in Wiskott-Aldrich syndrome (1995)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 133 (1995), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 28-year-old man with Wiskott—Aldrich syndrome presonied with ulcerative-proliferative lesions on his face from which herpes simplex type 1 (HSV-1) was isolated. He was initially treated with 10 mg/kg of acyclovir (Zovirax®) intravenously every 8h, but his skin lesions worsened. Clinical resistance to acyclovir was suspected, and therapy with this drug was intensified. The dosage of acyclovir was increased to 45 mg/kg, administered by continuous infusion, and the lesions subsequently resolved. The strain of HSV recovered from the patient showed acyclovir-resistance in vitro, using the colorimetric method with neutral red.Herpes simplex virus resistance to acyclovir is rare. It is more common in immunocompromised patients if subtherapeutic doses are administered in the treatment of chronic persistent forms of infection. Whenever clinical resistance to acyclovir is suspected, the dosage should be increased to 2 mg/kg per h administered via an infusion pump. If no improvement is observed in the patient's condition with this regimen, a phosphorylated medication whose mechanism of action is not dependent on viral thymidine kinase, such as foscarnet (phosphonoformic acid), should be substituted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1995.tb02682.x
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  • 5
    Electronic Resource
    Electronic Resource
    Hydrogen-Bonding Networks Involving Water in Amphiphilic N-Dodecanoyl-L-serine Monohydrate (1997)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 53 (1997), S. 1070-1073 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270197004903
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  • 6
    Electronic Resource
    Electronic Resource
    Risk as a primitive: a survey of measures of perceived risk (1997)
    Springer
    OR spectrum 19 (1997), S. 235-250 
    Details
    ISSN: 1436-6304
    Keywords: Key words: Risk judgement, perceived risk, axiomatic measures of risk ; Schlüsselwörter Risikobeurteilung, wahrgenommenes Risiko, axiomatische Risikomaße
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Description / Table of Contents: Zusammenfassung. Risiko ist ein Konzept, das bei der Behandlung vieler volks- oder betriebswirtschaftlicher Probleme eine wesentliche Rolle spielt. Üblicherweise wird Risiko im Rahmen des traditionellen Erwartungsnutzenmodells behandelt, bei dem es nur indirekt über die Form der Nutzenfunktion erfaßt wird. Der Zweck von Nutzenfunktionen besteht aber darin, Präferenzen zu modellieren. In diesem Aufsatz wird ein Überblick über solche Ansätze gegeben, die Risikowahrnehmungen direkt modellieren. Nach einer kurzen Darstellung naiver Risikomaße, die aus der früheren ökonomischen Literatur bekannt sind, werden neuere theoretische und empirische Konzepte präsentiert.
    Notes: Abstract. The concept of risk is essential to many problems in economics and business. Usually, risk is treated in the traditional expected utility framework where it is defined only indirectly through the shape of the utility function. The purpose of utility functions, however, is to model preferences. In this paper, we review those approaches which directly model risk judgements. After a short review of naive risk measures used in earlier economic literature, we present recent theoretical and empirical developments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01539781
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  • 7
    Electronic Resource
    Electronic Resource
    Strassen Laws of Iterated Logarithm for Partially Observed Processes (1997)
    Springer
    Journal of theoretical probability 10 (1997), S. 101-115 
    Details
    ISSN: 1572-9230
    Keywords: Wiener process ; law of the iterated logarithm ; subsequences
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Let a Wiener process W be observed on some nonbounded set T⊂R + . We show that alter reasonable time- and space-rescaling the correspondent interpolated sample paths converge with probability one (in the usual sense of functional laws) to some limit set in C[0, 1]. The complete description of the limit set for arbitrary T is given. Unlike the various known functional laws, this limit set is not necessarily convex. We also supply an invariance principle which permits us to obtain the same results for partially observed processes generated by the sums of i.i.d. random variables.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022694331667
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  • 8
    Electronic Resource
    Electronic Resource
    Theories for multiple resonances (1995)
    Springer
    The European physical journal 351 (1995), S. 391-396 
    Details
    ISSN: 1434-601X
    Keywords: 21.60.Jz ; 21.60.Ev ; 03.65.Sq
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Two microscope theories for multiple resonances in nuclei are compared, n-particle-hole RPA and quantized Time-Dependent Hartree-Fock (TDHF). The Lipkin-Meshkov-Glick model is used as test case. We find that quantized TDHF is superior in many respects, except for very small systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01291144
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  • 9
    Electronic Resource
    Electronic Resource
    Total charge-changing cross sections for neutron-deficient isotopes from58Ni fragmentation (1995)
    Springer
    The European physical journal 352 (1995), S. 69-75 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Ft ; 25.70.Np ; 27.40.+Z
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract At the projectile-fragment separator FRS of GSI, relativistic secondary beams of about 520 MeV/nucleon were produced by fragmentation of a primary beam of58Ni at 650 MeV/nucleon in a beryllium target. By means of aΔE—Bρ—TOF measurement, the fragments have been identified and their charge-changing probabilities in targets of CH2, C, Al, and Pb have been determined. We describe the results for the total charge-changing cross sections in this first paper, whereas a second article deals with the partial charge-changing cross sections. At the drip line, the measured charge-changing cross sections exhaust close to 100% of the total interaction cross sections as calculated with semiempirical models. The measurements at the proton drip line with low-Z targets indicate that only a very small increase of the cross sections may be observed, whereas the measurements with a lead target show that no significant increase of the total charge-changing cross sections is present which would be a hint for low-lying dipole strength. Our experimental data are compared to Glauber-type calculations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292761
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  • 10
    Electronic Resource
    Electronic Resource
    Light–induced charge transport processes in photorefractive barium titanate crystals doped with iron (1997)
    Springer
    Applied physics 65 (1997), S. 481-487 
    Details
    ISSN: 1432-0649
    Keywords: PACS: 61.72.-y; 72.40.+w; 78.20.-e
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: 3 ) are annealed in a hydrogen atmosphere at various temperatures. After these reducing treatments, absorption, light–induced absorption changes, two–beam coupling direction, photo electron paramagnetic resonance (photo EPR), dark and photoconductivity as well as bulk photovoltaic current density are investigated. The samples are electron conductive and the charge transport is governed by only one level, which is identified by photo EPR as Fe2+/Fe3+. The photoconductivity exceeds the dark conductivity for intensities above 1 kWm-2. A relation between the absorption constant and the Fe2+ concentration is derived. From the known charge transport parameters the advantageous photorefractive properties of optimized reduced BaTiO3:Fe are deduced; possible response times in the millisecond range at an intensity of 10 kWm-2 are estimated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003400050300
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