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  1. No Access

    Article

    Effects of inorganic phosphate on cross-bridge behavior after photorelease of ATP in permeabilized cells of rat skeletal muscle

    Effects of 20 mM inorganic phosphate on the cross-bridge behavior after photorelease of ATP from caged ATP was studied by X-ray diffraction in rat skinned psoas muscle fibers at 16°C. In the first 30 ms after...

    N. Yagi, K. Horiuti, S. Takemori in Pflügers Archiv (2002)

  2. No Access

    Article

    Single turnover of cross-bridge ATPase in rat muscle fibers studied by photolysis of caged ATP

    A mechanical study on skinned rat psoas muscle fibers was performed at about 16°C with X-ray diffraction and caged-ATP photolysis. The amount of photoreleased ATP was set <0.2 mM for analysis of a `single turn...

    K. Horiuti, N. Yagi, S. Takemori in Journal of Muscle Research & Cell Motility (2001)

  3. No Access

    Article

    Structural changes in myosin cross-bridges during shortening of frog skeletal muscle

    X-ray diffraction patterns from frog sartorius muscle were recorded during steady shortening with various loads. The intensity of the third meridional reflection from the thick filament decreased on shortening...

    N. Yagi, S. Takemori in Journal of Muscle Research & Cell Motility (1995)

  4. No Access

    Article

    X-ray diffraction study on mammalian visceral smooth muscles in resting and activated states

    Structural changes of guinea pig taenia coli and rat anococcygeus muscle during contraction were studied by X-ray diffraction. The diffraction pattern of the taenia coli showed the 14.4-nm myosin reflection, t...

    M. Watanabe, S. Takemori, N. Yagi in Journal of Muscle Research & Cell Motility (1993)

  5. No Access

    Chapter

    Current X-Ray Diffraction Experiments using a Synchrotron Radiation Source

    A Fuji imaging plate and synchrotron radiation are the most distinct innovations of the last twenty years in the X-ray diffraction experiments on biological materials. Here we present results of recent experim...

    N. Yagi, S. Takemori, M. Watanabe in Mechanism of Myofilament Sliding in Muscle Contraction (1993)

  6. No Access

    Article

    Effects of 2,3-butanedione monoxime on contraction of frog skeletal muscles: An X-ray diffraction study

    We studied the effects of BDM (2,3-butanedione monoxime) on the tetanic contraction of frog skeletal muscles using an X-ray diffraction technique. BDM significantly increased the resting equatorial intensity r...

    N. Yagi, S. Takemori, M. Watanabe, K. Horiuti… in Journal of Muscle Research & Cell Motility (1992)

  7. No Access

    Article

    Myosin heads contact with thin filaments in compressed relaxed skinned fibres of frog skeletal muscle

    When skinned skeletal muscle fibres with rest sarcomere length (L=2.5 μm) are compressed by the addition of various concentrations ([PVP]) of polyvinylpyrrolidone, the relation between the 1,0 spacing (d) of t...

    Y. Umazume, H. Higuchi, S. Takemori in Journal of Muscle Research & Cell Motility (1991)

  8. No Access

    Article

    Immunocytochemical and biochemical studies on the localization and changes of 17 α-hydroxylase/C17–C20 lyase activity in immature rat ovary treated with PMSG and hCG

    The localization of cytochrome P-450 of 17 α-hydroxylase/C17–C20 lyase (P-45017 α, lyase) and the changes of the enzyme activity were studied immunocytochemically and biochemically in the ovaries of immature rats...

    K. Ishimura, T. Yoshinaga-Hirabayashi, H. Tsuri, S. Kominami, S. Takemori… in Histochemistry (1990)

  9. No Access

    Chapter and Conference Paper

    20-kW Fast-Axial-Flow CO2 Laser with High-Frequency Turboblowers

    A 20-kW fast-axial-flow CO2 laser has been realized by using high-frequency turboblowers developed especially for laser operation. Each of the two high-frequency turboblowers utilized in the equipment has a revol...

    H. Sugawara, K. Kuwabara, S. Takemori, A. Wada, K. Sasaki in Gas Flow and Chemical Lasers (1987)

  10. No Access

    Chapter

    Studies on Bovine Adrenal Ferredoxin

    Native and reconstituted adrenal ferredoxins have been obtained in crystalline form. The apoprotein was prepared by treatment of the native protein with trichloroacetic acid. When the apoprotein was incubated ...

    S. Takemori, K. Suhara, M. Katagiri in Iron and Copper Proteins (1976)