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Yasumasa Joti
Researcher at University of Tokyo
Publications - 116
Citations - 5693
Yasumasa Joti is an academic researcher from University of Tokyo. The author has contributed to research in topics: SACLA & Laser. The author has an hindex of 32, co-authored 105 publications receiving 4773 citations. Previous affiliations of Yasumasa Joti include Yokohama City University & Kyoto University.
Papers
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Journal ArticleDOI
Development of Multilayer Focusing Mirror System for XFEL CDI Experiments of Biological Particles
Takahisa Koyama,Hirokatsu Yumoto,Takashi Kimura,Akihiro Suzuki,Takashi Kameshima,Yasumasa Joti,Kensuke Tono,Naoya Tani,Tatsuro Tachibana,Yusuke Konishi,Yoshitaka Bessho,Yoshinori Nishino,Makina Yabashi,Haruhiko Ohashi +13 more
TL;DR: In this article, a high-resolution coherent diffractive imaging (CDI) system employed multilayer focusing mirrors which has a high throughput and short focal lengths to further increase fluence at the sample plane.
Journal ArticleDOI
Multispectroscopic study of single Xe clusters using XFEL pulses
Toshiyuki Nishiyama,Christoph Bostedt,Ken R. Ferguson,Christopher Hutchison,Kiyonobu Nagaya,Hironobu Fukuzawa,Hironobu Fukuzawa,Koji Motomura,Shin-ichi Wada,T. Sakai,K. Matsunami,Kazuhiro Matsuda,Tetsuya Tachibana,Yuta Ito,Weiqing Xu,S. Mondal,Takayuki Umemoto,Catalin Miron,Christophe Nicolas,Takashi Kameshima,Yasumasa Joti,Kensuke Tono,Takaki Hatsui,Makina Yabashi,Kiyoshi Ueda +24 more
TL;DR: In this paper, a multispectroscopic approach for exploring laser-matter interaction in the X-ray regime without the influence of the size distribution of samples and the fluence distribution of the incident XFEL pulses is presented.
Journal ArticleDOI
Cancellation between auto- and mutual correlation contributions of protein/water dynamics in terahertz time-domain spectra.
Yasumasa Joti,Akio Kitao +1 more
TL;DR: The combination of THz-TDS, INSS and MD simulations has the potential to extract function-relevant protein dynamics occurring on the picosecond to nanosecond timescale.
Posted ContentDOI
An efficient timer and sizer of protein motions reveals the time scales of functional dynamics in structured biomacromolecules
Justin Chan,Hong-Rui Lin,Kazuhiro Takemura,Kai-Chun Chang,Yuan-Yu Chang,Yasumasa Joti,Akio Kitao,Lee-Wei Yang +7 more
TL;DR: In this paper, a simple elastic network model (ENM) is converted into a molecular timer and sizer to measure the slowest functional motions of proteins, and the power laws t(ns) = 86.9 and σ2(A2) = 46.1λENM-2.5 are established allowing the characterization of the time scales of NMR-solved conformers, crystallographic anisotropic displacement parameters, and important ribosomal motions, as well as motional sizes of the latter.
Journal ArticleDOI
An Efficient Timer and Sizer of Biomacromolecular Motions.
Justin Chan,Justin Chan,Kazuhiro Takemura,Hong-Rui Lin,Kai-Chun Chang,Yuan-Yu Chang,Yasumasa Joti,Akio Kitao,Lee-Wei Yang,Lee-Wei Yang +9 more
TL;DR: A computationally cheap elastic network model (ENM) is converted into a molecular timer and sizer to gauge the slowest functional motions of structured biomolecules, allowing the characterization of the timescales of NMR-resolved conformers, crystallographic anisotropic displacement parameters, and important ribosomal motions, as well as motional sizes of the latter.