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  • 1
    ISSN: 1432-2307
    Keywords: Hypogammaglobulinaemia ; Lymphocyte predominant Hodgkin's disease of nodular subtype ; Monoclonal L & H cells ; Pulmonary lymphoid hyperplasia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two cases of lymphocyte predominant Hodgkin's disease of nodular subtype (HDNP) are reported. In contrast to classic cases of HDNP which often involve only one lymph node region and show no further symptoms, these two patients exhibited lymphoid infiltrates of the lung and hypogammaglobulinaemia. In patient 2 a monotypic immunoglobulin pattern (light chain kappa) was demonstrated in the L & H-, Hodgkin- and Sternberg-Reed cells. Both cases represent an uncommon variant of lymphocyte predominant Hodgkin's disease.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 14 (1989), S. 1-8 
    ISSN: 1434-6079
    Keywords: 31.20.Lr ; 32.80.Pj ; 52.25.Wz
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using Thomas-Fermi Theory, we deal with the motion of a trapped ion cloud with conserved total angular momentum in thermal equilibrium at zero temperature. It is shown that in the case of high magnetic field (≧600 kG) the motion of an electron cloud trapped in a Penning trap would be modified by quantum effects. Under the present laboratory conditions the quantum effects are negligible for the motion of a Mg+24 ion cloud trapped in a Paul trap.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 0951-4198
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: It is shown that time-of-flight mass analyzers are capable of reaching high mass resolving powers as compared to sector field instruments. By combining a new electron-impact ion source with an optimized grid-free ion mirror, mass resolving powers m/Δm of about 20000 are reached.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1573-0972
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Résumé Du mycélium prélevé à la périphérie de colonies dévoloppées sur cellophane ou à partir de cultures liquides agitées a été utilizé pour la préparation de protoplastes d'Agaricusbisporus,Auricularia auricula, Lentinus edodes, Pleurotus sajor-caju, Volvariella bombycina etV. volvacea. Les cellules mycéliales ont été traitées par deux enzymes mycolytiques, Novozym 234 et lywallzyme. Par traitement avec le lywallzyme, des protoplastes ont été obtenus avec tous les champignons comestibles étudiés,P. sajor-caju donnant le rendement le plus élevé (3.84×107/ml), suivi parAu. auricula (7.46×106/ml,Ag. bisporus (2.16×106/ml etV. volvacea 1.92×106/ml). Avec le Novozym 234,Ag. bisporus a donné le rendement en protoplastes le moins élevé. Les effets de différentes molarités de stabilisateurs osmotiques ont également été étudiés. La méthode de la cellophane est simple et rapide et peut être employée comme procédé de degrossissage. Les rendements en protoplastes obtenus à partir des cultures liquides sont habituellement plus élevés que ceux à partir des cultures sur cellophane.
    Abstract: Resumen Para el aislamiento de protoplastos de cepas deAgaricus bisporus, Auricularia auricula,Lentinus edodes, Pleurotus sajor-caju, Volvariella bombycina, y V. volvacea se utilizo micelio periferico de colonias que estaban en crecimiento activo en celofan y en frascos de agitación. Las celulas del micelio se tratarón con dos enzymas mycoliticos: Novozym 234 y lywallzyme. Todas las setas comestibles ensayadas produjerón protoplastos. Mediante tratamiento con lywallzyme la mejor cosecha de protoplastos la proporcionoP. sajor-caju (3.84×107/ml) seguido porAu. auricula (7.46×106/ml),Ag. bisporus (2.16×106/ml) yV. volvacea (1.92×106/ml). Con Novozym 234Ag. bisporus fué la de menor rendimiento. También se estudiarón los efectos de distintos estabilizadores osmoticos a diferentes molaridades.
    Notes: Summary Mycelium from the periphery of actively growing colonies on cellophane and from shake flask cultures was used for the isolation of protoplasts from strains ofAgaricus bisporus,Auricularia auricula, Lentinus edodes, Pleurotus sajor-caju, Volvariella bombycina andV. volvacea. The mycelial cells were treated with two mycolytic enzymes, Novozym 234 or lywallzyme. Protoplasts were produced from all the edible fungi tested.Pleurotus sajor-caju gave the highest yield (3.84×107/ml), followed byAu. auricula (7.46×106/ml),Ag. bisporus (2.16×106/ml) andV. volvacea (1.92×106/ml), when treated with lywallzyme.Agaricus bisporus gave the smallest yield of protoplasts when Novozym 234 was used. The effects of different molarities of osmotic stabilizers were also studied. The cellophane method is simple and quick and can be used as a screening procedure. The yields of protoplasts obtained from liquid cultures were usually higher than those from cellophane cultures.
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  • 7
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 63 (1988), S. 4734-4740 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have observed the onset of degradation of bipolar transistor characteristics under high current forward stress at room temperature. The observed degradation may be attributed to interface states generated next to the sidewall oxide at the emitter base junction in a self-aligned bipolar transistor. Individual steps in the generation and annealing kinetics may be resolved. The sensitivity of the device to the extrinsic base doping profile is demonstrated and a model based on the generation of hot carriers by Auger recombination and bond breaking by these hot carriers is proposed.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Reverse-bias pulsed deep-level transient spectroscopy (RDLTS) has recently been used for studies of electric field-enhanced emission from a deep-level defect. The sensitivity, spatial, and temperature resolutions of this technique are investigated and compared with those of DLTS. The electric field strength in a narrow region, where the transient capacitance signal comes from, can be accurately controlled by using RDLTS. The calculated results indicate that there is an optimal operating condition given by a range of emission pulse widths and heights. This operating condition is given for the best compromise of the temperature and spatial resolutions.
    Type of Medium: Electronic Resource
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