Search Results - (Author, Cooperation:H. Ikuta)

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  1. 1
    N. Kawaguchi, T. Urata, T. Hatano, K. Iida, and H. Ikuta
    American Physical Society (APS)
    Published 2018
    Staff View
    Publication Date:
    2018-04-26
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    1098-0121
    Electronic ISSN:
    1095-3795
    Topics:
    Physics
    Keywords:
    Magnetism
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Staff View
    Publication Date:
    2014-05-09
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Ikuta, H. ; Kishio, K. ; Kitazawa, K.

    [S.l.] : American Institute of Physics (AIP)
    Published 1994
    Staff View
    ISSN:
    1089-7550
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    Models and calculated results are presented for the flux-pinning-induced magnetostriction in type-II superconductors. Three models are considered for the critical state; the original Bean model, the Kim model, and the exponential model in which the critical current density is assumed to depend exponentially on the flux density. The analytic expressions of the length change under the magnetic field are derived for specimens having infinite slab geometry and under the assumption that the reversible part of the total magnetization is negligibly small. The results are used for computer simulations and the hysteresis loops are calculated over a wide range of the relevant parameters. Since the pinning-induced magnetostriction reveals the pinning force directly, the hysteresis loops for each model have different features which are discussed in detail. It is also shown that the pinning force of the sample can be directly inferred from the width of the magnetostriction hysteresis loop. Finally, the experimental results on high-temperature superconductors are discussed in comparison with the calculated results.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  4. 4
    Ikuta, H. ; Hirota, N. ; Heill, L.K. ; Kishio, K. ; Kitazawa, K.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0921-4526
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  5. 5
    Hasegawa, T. ; Nantoh, M. ; Ikuta, H. ; Kitazawa, K.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0921-4534
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  6. 6
    Ikuta, H. ; Hirota, N. ; Kishio, K. ; Kitazawa, K.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0921-4534
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  7. 7
    Staff View
    ISSN:
    0921-4534
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  8. 8
    Staff View
    ISSN:
    0022-3697
    Keywords:
    AST ; STM ; layered structure ; superconducting gap ; symmetry of order parameter
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Chemistry and Pharmacology
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  9. 9
    Staff View
    ISSN:
    0038-1098
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  10. 10
    Staff View
    ISSN:
    0031-9422
    Keywords:
    Celastraceae ; Maytenus ilicifolia ; ^1^3C NMR ; cangoronine ; friedelane ; ilicifoline. ; root bark ; triterpene
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Biology
    Chemistry and Pharmacology
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  11. 11
    Staff View
    ISSN:
    0022-4596
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Chemistry and Pharmacology
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  12. 12
    Staff View
    ISSN:
    0039-6028
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  13. 13
    Staff View
    ISSN:
    0031-9422
    Keywords:
    Celastraceae ; Maytenus ilicifolia ; ^1^3C NMR ; cangoronine ; friedelane ; ilicifoline. ; root bark ; triterpene
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Biology
    Chemistry and Pharmacology
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  14. 14
    Heill, L.K. ; Ikuta, H. ; Hirota, N. ; Kishio, K. ; Kitazawa, K.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0921-4534
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  15. 15
    Nantoh, M. ; Heike, S. ; Ikuta, H. ; Hasegawa, T. ; Kitazawa, K.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0921-4534
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  16. 16
    Wei, W. ; Nantoh, M. ; Ikuta, H. ; Hasegawa, T. ; Kitazawa, K.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0921-4534
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  17. 17
    Staff View
    ISSN:
    0921-4526
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  18. 18
    Komiya, S. ; Inoue, A. ; Nakashima, M. ; Ueno, A. ; Fujikawa, K. ; Ikuta, H.
    Springer
    Published 1986
    Staff View
    ISSN:
    1434-3916
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Medicine
    Notes:
    Summary An analysis of 26 patients with giant cell tumor of bone was carried out to determine the clinical and pathological factors affecting the prognosis of the tumor, with a follow-up program of more than 3 years. The physical characteristics of the pathological features were measured objectively using an image analyzer. A significant correlation between the therapeutic procedures and recurrence of the tumor was found, but no pathological variables were significantly correlated. Excision or resection en bloc should be performed for the initial treatment of the tumor. Local recurrence could not be predicted on the basis of histological grading. Stromal cell atypia was significantly correlated with metastasis, but multinucleated giant cells bore no correlation to either recurrence or metastasis. The use of a modified histological grading system based not on variations of the stroma and giant cells but only on the atypia of mononuclear stromal cells, either malignant or classical, is recommended for the clinical assessment of the tumor.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  19. 19
    Staff View
    ISSN:
    1420-908X
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Medicine
    Notes:
    Abstract The antiinflammatory activity of a novel pyrrolidone derivative E-5110 was investigated using anti-inflammatory, analgesic and antipyretic animal models in comparison to indomethacin (IND) and piroxicam (PIR). The acute antiinflammatory activity of E-5110 on carrageenin paw edema was similar to IND, and half of PIR. E-5110 inhibited the pleural exudate volume and leucocyte infiltration in a reversed passive Arthus reaction more potent than IND. The chronic inflammatory responses in the established adjuvant- and type II collagen-induced arthritis were suppressed by E-5110 similar to IND and PIR. The analgesic potency of E-5110 was similar to IND and PIR, but the antipyretic activity of E-5110 was more potent than that of IND, and slightly more potent than that of PIR. The ulcerogenic effect of E-5110 on rat gastric mucosa was less than that of the reference drugs.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  20. 20
    Staff View
    ISSN:
    1420-908X
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Medicine
    Notes:
    Abstract Cultured rat synovial cells generate PGE2 upon stimulation with a factor derived from rate polymorphonuclear cells (Prostaglandins27, 697, 1984). E-5110 inhibited PGE2 generation by the synovial cells. The IC50 values (μM) for inhibition of PGE2 generation were 0.026 for E-5110, 0.008 for indomethacin, 0.112 for piroxicam, 0.003 for R-830, 0.667 for BW-755C and 2.05 for benoxaprofen. Calcium ionophore A-23187-stimulated LTB4 generation by human neutrophils was inhibited by E-5110 with an IC50 value of 0.20 μM, which was similar to NDGA. The inhibition of LTB4 by E-5110 was more potent than that of R-830, BW-755C or benoxaprofen. E-5110 also inhibited superoxide generation by human neutrophils stimulated with opsonized zymosan, f-Met-Leu-Phe and phorbol myristate acetate. These results indicate that E-5110 is a potent dual inhibitor that suppresses superoxide generation.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses