Proceedings of the Japan Academy, Series B
Online ISSN : 1349-2896
Print ISSN : 0386-2208
ISSN-L : 0386-2208
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Special Issue
Volume 70, Issue 7
Displaying 1-4 of 4 articles from this issue
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  • Photochemistry of Tris(L-cysteinesulfinato-N, S)cobaltate(III). Linkage Isomerization from Sulfinato-S to Sulfinato-O
    Masaaki KOJIMA, Isamu SUGIMOTO, Yasuhiro SHIMIZU, Yuzo YOSHIKAWA
    1994 Volume 70 Issue 7 Pages 101-105
    Published: 1994
    Released on J-STAGE: October 13, 2006
    DOIhttps://doi.org/10.2183/pjab.70.101
    JOURNAL FREE ACCESS
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    On photolysis of [Co(L-cysi-N, S)3]3- (L-cysi=L-cysteinesulfinate(2-) ion, cysi=NH2CH(COO-)CH2SO2-), linkage isomerization from sulfinato-S to sulfinato-O took place to yield a mixture of [Co(L-cysi-N, S)3-n(L-cysi-N, O)n]3- (n=1, 2, 3). [Co(L-cysi-N, S)2(L-cysi-N, O)]3-, one of the linkage isomers, was isolated and its structure was assigned on the basis of the absorption, circular dichroism, and 1H NMR spectra. This complex is thermally unstable and reverts to the starting complex.
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  • A New Energy caused by “Spillover-Deuterium”
    Yoshiaki ARATA, Yue-Chang ZHANG
    1994 Volume 70 Issue 7 Pages 106-111
    Published: 1994
    Released on J-STAGE: October 13, 2006
    DOIhttps://doi.org/10.2183/pjab.70.106
    JOURNAL FREE ACCESS
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    It was verified that a new kind of energy is caused by “Spillover-Deuterium” generated in a double structure (DS)-cathode with “Pd-black”. Using this cathode, the authors confirmed the sustained production of a significantly abnormal amount of energy over a period of several months that could not be ascribed to chemical reaction energy. The chemical reaction energy of 0.1[mol] Pd-black used is only 4[kJ], but more than 200[MJ] of excess energy was continuously produced for over 3000[hr] at an average rate of 50-100[kJ/hr] using a DS-cathode with a same quantity of Pd-black. Intermittent operation over a period of two years using this structure proved the complete reproducibility of these results.
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  • Establishing the Selection Method for the Lentinula edodes Strains Resistant to Trichoderma spp
    Keisuke TOKIMOTO, Mitsuo KOMATSU, Yukitaka FUKUMASA-NAKAI
    1994 Volume 70 Issue 7 Pages 112-116
    Published: 1994
    Released on J-STAGE: October 13, 2006
    DOIhttps://doi.org/10.2183/pjab.70.112
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    Trichoderma inoculation tests for cultures of 89 different shiitake (Lentinula edodes) strains showed that the resistance of shiitake in a wood-powder medium correlated positively to that in 28-month-old bedlogs when T. harzianum was inoculated. Mycelial growth rate of shiitake in an agar medium or in the wood-powder medium also was correlated with the resistance of shiitake bedlogs, although the interaction in the agar medium appeared to be irrelevant. The amount of damage to shiitake caused by T. harzianum had a positive correlation with that by T. polysporum both in the wood-powder medium and in bedlogs. Strains having a high wood-rotting ability in bedlogs tended to have the ability to reject Trichoderma in the wood-powder medium. The inhibition rates of shiitake mycelial growth by trichopolyn proved not to correlate to the rate of damage by T. polysporum.
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  • Statistical Analysis on the Angle Fluctuation of the Direction of a Single F-actin Sliding on the Surface-fixed H-meromyosin
    Yoshihiro SHIKATA, Ayako SHIKATA, Rieko SHIMO, Hiroki TAKADA, Chihiro ...
    1994 Volume 70 Issue 7 Pages 117-120
    Published: 1994
    Released on J-STAGE: October 13, 2006
    DOIhttps://doi.org/10.2183/pjab.70.117
    JOURNAL FREE ACCESS
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    Using an in vitro motility assay system of acto-H-meromyosin, image analysis was made on the angle fluctuation of the sliding direction of F-actins of various lengths. The result of a statistical analysis showed that angle fluctuation of the sliding direction of F-actin was suppressed as the length of F-actin increased. A theoretical consideration on this length dependence led us to conclude that the semiflexible property of F-actin was important in molecular mechanism underlying the unidirectional translocation of F-actin on the surface-fixed H-meromyosin bound to ATP.
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