Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Tsukasa Sakai"'
Autor:
Yoshiaki Kumagai, Weiqing Xu, Kazuki Asa, Toshiyuki Hiraki Nishiyama, Koji Motomura, Shin-ichi Wada, Denys Iablonskyi, Subhendu Mondal, Tetsuya Tachibana, Yuta Ito, Tsukasa Sakai, Kenji Matsunami, Takayuki Umemoto, Christophe Nicolas, Catalin Miron, Tadashi Togashi, Kanade Ogawa, Shigeki Owada, Kensuke Tono, Makina Yabashi, Hironobu Fukuzawa, Kiyonobu Nagaya, Kiyoshi Ueda
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2176 (2023)
Ultrashort pulse X-ray free electron lasers (XFFLs) provided us with an unprecedented regime of X-ray intensities, revolutionizing ultrafast structure determination and paving the way to the novel field of non-linear X-ray optics. While pioneering st
Externí odkaz:
https://doaj.org/article/7cb7abe2059243caa663e3eb001ed867
Autor:
Toshiyuki Nishiyama, Akinobu Niozu, Christoph Bostedt, Ken R. Ferguson, Yuhiro Sato, Christopher Hutchison, Kiyonobu Nagaya, Hironobu Fukuzawa, Koji Motomura, Shin-ichi Wada, Tsukasa Sakai, Kenji Matsunami, Kazuhiro Matsuda, Tetsuya Tachibana, Yuta Ito, Weiqing Xu, Subhendu Mondal, Takayuki Umemoto, Christophe Nicolas, Catalin Miron, Takashi Kameshima, Yasumasa Joti, Kensuke Tono, Takaki Hatsui, Makina Yabashi, Kiyoshi Ueda
Publikováno v:
IUCrJ, Vol 7, Iss 1, Pp 10-17 (2020)
With the emergence of X-ray free-electron lasers, it is possible to investigate the structure of nanoscale samples by employing coherent diffractive imaging in the X-ray spectral regime. In this work, we developed a refinement method for structure re
Externí odkaz:
https://doaj.org/article/97df9db764404b8c9a357a33da0ae0b3
Autor:
Hironobu Fukuzawa, Tsukasa Takanashi, Edwin Kukk, Koji Motomura, Shin-ichi Wada, Kiyonobu Nagaya, Yuta Ito, Toshiyuki Nishiyama, Christophe Nicolas, Yoshiaki Kumagai, Denys Iablonskyi, Subhendu Mondal, Tetsuya Tachibana, Daehyun You, Syuhei Yamada, Yuta Sakakibara, Kazuki Asa, Yuhiro Sato, Tsukasa Sakai, Kenji Matsunami, Takayuki Umemoto, Kango Kariyazono, Shinji Kajimoto, Hikaru Sotome, Per Johnsson, Markus S. Schöffler, Gregor Kastirke, Kuno Kooser, Xiao-Jing Liu, Theodor Asavei, Liviu Neagu, Serguei Molodtsov, Kohei Ochiai, Manabu Kanno, Kaoru Yamazaki, Shigeki Owada, Kanade Ogawa, Tetsuo Katayama, Tadashi Togashi, Kensuke Tono, Makina Yabashi, Aryya Ghosh, Kirill Gokhberg, Lorenz S. Cederbaum, Alexander I. Kuleff, Hiroshi Fukumura, Naoki Kishimoto, Artem Rudenko, Catalin Miron, Hirohiko Kono, Kiyoshi Ueda
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Understanding strong X-ray induced phenomena is important for applications of X-ray free-electron laser imaging. Here, the authors show time-resolved measurements of X-ray free-electron laser induced electronic decay of CH2I2 molecule probed with NIR
Externí odkaz:
https://doaj.org/article/92903fed943349d7a69ef7b3b9aa3fab
Autor:
Toshiyuki Nishiyama, Christoph Bostedt, Ken R. Ferguson, Christopher Hutchison, Kiyonobu Nagaya, Hironobu Fukuzawa, Koji Motomura, Shin-ichi Wada, Tsukasa Sakai, Kenji Matsunami, Kazuhiro Matsuda, Tetsuya Tachibana, Yuta Ito, Weiqing Xu, Subhendu Mondal, Takayuki Umemoto, Catalin Miron, Christophe Nicolas, Takashi Kameshima, Yasumasa Joti, Kensuke Tono, Takaki Hatsui, Makina Yabashi, Kiyoshi Ueda
Publikováno v:
Applied Sciences, Vol 9, Iss 22, p 4932 (2019)
X-ray free-electron lasers (XFELs) deliver ultrashort coherent laser pulses in the X-ray spectral regime, enabling novel investigations into the structure of individual nanoscale samples. In this work, we demonstrate how single-shot small-angle X-ray
Externí odkaz:
https://doaj.org/article/b887688ee6204cf8bb9ac9da3a969890
Publikováno v:
Electrochimica Acta. 128:265-270
Pt is most useful metal for various electrochemical reactions as an electrocatalyst. In a direct methanol fuel cell, Pt performs a catalytic activity for both the methanol oxidation reaction and oxygen reduction reaction; therefore, a Pt-based cataly
Publikováno v:
Electrochimica Acta. 128:259-264
Investigating the degradation mechanism of a polymer electrolyte fuel cell (PEFC) is indispensable for realizing a longer-lasting fuel cell. This report describes the research results that the cathode catalyst after a 9000 h cell operation has been r
Publikováno v:
Electrochimica Acta. 113:773-778
During the O2 reduction reaction (ORR) at the Pt cathode of a polymer electrolyte fuel cell (PEFC), a slight amount of H2O2 is produced as a by-product. The generated H2O2 degrades the polymer electrolyte membrane and Pt electrode due to its corrosiv
Publikováno v:
Electrochemistry. 79:349-352
The reaction selectivity of Pt loading carbon electrocatalysts (Pt/C) having different Pt particle sizes was electrochemically evaluated in the presence of methanol and O2. The electrochemical measurement of these electrocatalysts was performed using
Publikováno v:
Skin Cancer. 17:230-233
We report a case of a 59-year-old Japanese man with a black tumor on his right sole with satellite lesions. We diagnosed it as malignant melanoma (pT4aN0M0, stage III) . In December, 1997 he received wide resection and excision of the right inguinal
Publikováno v:
Skin Cancer. 19:178-180
Stewart-Treves syndrome is a relatively rare malignant tumor. It develops in chronic lymphedema of the upper extremities after treatment for breast cancer. We report here an additional case of a 55-year-old female.Twenty-two years ago, she was treate