Zobrazeno 1 - 10
of 188
pro vyhledávání: '"Yasumasa, Joti"'
Autor:
Yukio Takahashi, Masaki Abe, Hideshi Uematsu, Shuntaro Takazawa, Yuhei Sasaki, Nozomu Ishiguro, Kyosuke Ozaki, Yoshiaki Honjo, Haruki Nishino, Kazuo Kobayashi, Toshiyuki Nishiyama Hiraki, Yasumasa Joti, Takaki Hatsui
Publikováno v:
Journal of Synchrotron Radiation, Vol 30, Iss 5, Pp 989-994 (2023)
Ptychographic coherent diffraction imaging (PCDI) is a synchrotron X-ray microscopy technique that provides high spatial resolution and a wide field of view. To improve the performance of PCDI, the performance of the synchrotron radiation source and
Externí odkaz:
https://doaj.org/article/aa6db4eec9dc4067a952ea1685636fc6
Autor:
Satoru Hamamoto, Masaki Oura, Atsuomi Shundo, Daisuke Kawaguchi, Satoru Yamamoto, Hidekazu Takano, Masayuki Uesugi, Akihisa Takeuchi, Takahiro Iwai, Yasuo Seto, Yasumasa Joti, Kento Sato, Keiji Tanaka, Takaki Hatsui
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 0, Iss 0 (2023)
Synchrotron radiation X-ray computed tomography (CT) provides information about the three-dimensional electron density inside a sample with a high spatial resolution. Recently, the need to examine the internal structure of materials composed of light
Externí odkaz:
https://doaj.org/article/e1e5894e780440bca4722c104ca8eea2
Autor:
Hirokatsu Yumoto, Takahisa Koyama, Akihiro Suzuki, Yasumasa Joti, Yoshiya Niida, Kensuke Tono, Yoshitaka Bessho, Makina Yabashi, Yoshinori Nishino, Haruhiko Ohashi
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-8 (2022)
Here, the authors realize an ultra-high fluence X-ray laser by high-gain multilayer focusing optics. This enables in-solution imaging with 2-nm resolution in a single-pulse exposure, making strides toward biomolecular imaging under physiological cond
Externí odkaz:
https://doaj.org/article/92b957bab7fd430d8004556dd2998df7
Autor:
Takahisa Koyama, Yasunori Senba, Hiroshi Yamazaki, Tomoyuki Takeuchi, Masayuki Tanaka, Yasuhiro Shimizu, Koji Tsubota, Yasuhisa Matsuzaki, Hikaru Kishimoto, Takanori Miura, Satsuki Shimizu, Takamitsu Saito, Hirokatsu Yumoto, Kentaro Uesugi, Masato Hoshino, Jumpei Yamada, Taito Osaka, Michihiro Sugahara, Nobuteru Nariyama, Yasuhide Ishizawa, Hiroko Nakano, Choji Saji, Kyo Nakajima, Koji Motomura, Yasumasa Joti, Makina Yabashi, Haruhiko Ohashi
Publikováno v:
Journal of Synchrotron Radiation, Vol 29, Iss 5, Pp 1265-1272 (2022)
In this study, double-multilayer monochromators that generate intense, high-energy, pink X-ray beams are designed, installed and evaluated at the SPring-8 medium-length (215 m) bending-magnet beamline BL20B2 for imaging applications. Two pairs of W/B
Externí odkaz:
https://doaj.org/article/9e15b93e5db64ebb8044319f15cc2205
Autor:
Dongqing Pan, Ryo Oyama, Tomomi Sato, Takanori Nakane, Ryo Mizunuma, Keita Matsuoka, Yasumasa Joti, Kensuke Tono, Eriko Nango, So Iwata, Toru Nakatsu, Hiroaki Kato
Publikováno v:
IUCrJ, Vol 9, Iss 1, Pp 134-145 (2022)
CmABCB1 is a Cyanidioschyzon merolae homolog of human ABCB1, a well known ATP-binding cassette (ABC) transporter responsible for multi-drug resistance in various cancers. Three-dimensional structures of ABCB1 homologs have revealed the snapshots of i
Externí odkaz:
https://doaj.org/article/46bdada9d6934983b448a8f4996580df
Autor:
Hongjie Li, Yoshiki Nakajima, Takashi Nomura, Michihiro Sugahara, Shinichiro Yonekura, Siu Kit Chan, Takanori Nakane, Takahiro Yamane, Yasufumi Umena, Mamoru Suzuki, Tetsuya Masuda, Taiki Motomura, Hisashi Naitow, Yoshinori Matsuura, Tetsunari Kimura, Kensuke Tono, Shigeki Owada, Yasumasa Joti, Rie Tanaka, Eriko Nango, Fusamichi Akita, Minoru Kubo, So Iwata, Jian-Ren Shen, Michihiro Suga
Publikováno v:
IUCrJ, Vol 8, Iss 3, Pp 431-443 (2021)
Photosystem II (PSII) catalyzes light-induced water oxidation through an Si-state cycle, leading to the generation of di-oxygen, protons and electrons. Pump–probe time-resolved serial femtosecond crystallography (TR-SFX) has been used to capture st
Externí odkaz:
https://doaj.org/article/35188f25a618474b8a4bc94e01f925d7
Autor:
Akinobu Niozu, Yoshiaki Kumagai, Toshiyuki Nishiyama, Hironobu Fukuzawa, Koji Motomura, Maximilian Bucher, Kazuki Asa, Yuhiro Sato, Yuta Ito, Tsukasa Takanashi, Daehyun You, Taishi Ono, Yiwen Li, Edwin Kukk, Catalin Miron, Liviu Neagu, Carlo Callegari, Michele Di Fraia, Giorgio Rossi, Davide E. Galli, Tommaso Pincelli, Alessandro Colombo, Shigeki Owada, Kensuke Tono, Takashi Kameshima, Yasumasa Joti, Tetsuo Katayama, Tadashi Togashi, Makina Yabashi, Kazuhiro Matsuda, Kiyonobu Nagaya, Christoph Bostedt, Kiyoshi Ueda
Publikováno v:
IUCrJ, Vol 7, Iss 2, Pp 276-286 (2020)
Characterizing and controlling the uniformity of nanoparticles is crucial for their application in science and technology because crystalline defects in the nanoparticles strongly affect their unique properties. Recently, ultra-short and ultra-bright
Externí odkaz:
https://doaj.org/article/e47ca3c78da14cf981fb4678ef41daa8
Autor:
Joyce Woodhouse, Gabriela Nass Kovacs, Nicolas Coquelle, Lucas M. Uriarte, Virgile Adam, Thomas R. M. Barends, Martin Byrdin, Eugenio de la Mora, R. Bruce Doak, Mikolaj Feliks, Martin Field, Franck Fieschi, Virginia Guillon, Stefan Jakobs, Yasumasa Joti, Pauline Macheboeuf, Koji Motomura, Karol Nass, Shigeki Owada, Christopher M. Roome, Cyril Ruckebusch, Giorgio Schirò, Robert L. Shoeman, Michel Thepaut, Tadashi Togashi, Kensuke Tono, Makina Yabashi, Marco Cammarata, Lutz Foucar, Dominique Bourgeois, Michel Sliwa, Jacques-Philippe Colletier, Ilme Schlichting, Martin Weik
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-11 (2020)
rsEGFP2 is a reversibly photoswitchable fluorescent protein used in super-resolution light microscopy. Here the authors present the structure of an rsEGFP2 ground-state intermediate after excited state-decay that was obtained by nanosecond time-resol
Externí odkaz:
https://doaj.org/article/88972c410939421d85cfc000a74d2ee0
Autor:
Michihiro Sugahara, Koji Motomura, Mamoru Suzuki, Tetsuya Masuda, Yasumasa Joti, Keiji Numata, Kensuke Tono, Makina Yabashi, Tetsuya Ishikawa
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
Abstract Serial femtosecond crystallography (SFX) has enabled determination of room temperature structures of proteins with minimum radiation damage. A highly viscous grease matrix acting as a crystal carrier for serial sample loading at a low flow r
Externí odkaz:
https://doaj.org/article/3403055837a84cb49e5f3f07b62f9720
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