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Your search keyword '"Koga, Yoshiyuki"' showing total 258 results
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258 results on '"Koga, Yoshiyuki"'

1. Using qPCR and ddPCR to study biodistribution of cell therapy products: a multi-site evaluation

Author

Fujita, Eriko, Yamamoto, Syunsuke, Hanada, Takeshi, Jogasaki, Shingo, Koga, Yoshiyuki, Yatsuda, Yukinori, Kakizaki, Yoshiyuki, Jo, Yoshinori, Asano, Yuya, Yonezawa, Koichi, Moriya, Yuu, Nakayama, Miyu, Arimura, Yukiko, Okawa, Yurie, Komatsu, Hiroyuki, Ito, Masahiko, Suzuki, Syunsuke, Kuroda, Takuya, Yasuda, Satoshi, Kamiyama, Yoshiteru, and Sato, Yoji

Published
2024
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2. Biodistribution studies for cell therapy products: Current status and issues

Author

Kamiyama, Yoshiteru, Naritomi, Yoichi, Moriya, Yuu, Yamamoto, Syunsuke, Kitahashi, Tsukasa, Maekawa, Toshihiko, Yahata, Masahiro, Hanada, Takeshi, Uchiyama, Asako, Noumaru, Akari, Koga, Yoshiyuki, Higuchi, Tomoaki, Ito, Masahiko, Komatsu, Hiroyuki, Miyoshi, Sosuke, Kimura, Sadaaki, Umeda, Nobuhiro, Fujita, Eriko, Tanaka, Naoko, Sugita, Taku, Takayama, Satoru, Kurogi, Akihiko, Yasuda, Satoshi, and Sato, Yoji

Published
2021
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6. Finite Crystals and Paths

Author

Hatayama, Goro, Koga, Yoshiyuki, Kuniba, Atsuo, Okado, Masato, and Takagi, Taichiro

Subjects
Mathematics - Quantum Algebra, High Energy Physics - Theory, Mathematical Physics, 81R10
Abstract

We consider a category of finite crystals of a quantum affine algebra whose objects are not necessarily perfect, and set of paths, semi-infinite tensor product of an object of this category with a certain boundary condition. It is shown that the set of paths is isomorphic to a direct sum of infinitely many, in general, crystals of integrable highest weight modules. We present examples from C_n^{(1)} and A_{n-1}^{(1)}, in which the direct sum becomes a tensor product as suggested from the Bethe Ansatz., Comment: 15 pages, LaTeX2e, submitted to the proceedings of the RIMS98 program "Combinatorial Methods in Representation Theory"

Published
1999

8. Commutation relations of vertex operators related with the spin representation of $U_q(D_n^{(1)})$

Author

Koga, Yoshiyuki

Subjects
Mathematics - Quantum Algebra
Abstract

We calculate commutation relations of vertex operators for the spin representation of $U_q(D_n^{(1)})$ by using recursive formulae of R-matrices. In quantum symmetry approach, we obtain the energy and momentum spectrum of the quantum spin chain model related with the spin representation from these commutation relations., Comment: 39 pages amslatex

Published
1997

48. Development of a Magnetic Sensing Device for Tooth Displacement under Orthodontic Forces

Author

Yoshida, Noriaki, Koga, Yoshiyuki, Saimoto, Akihide, Ishimatsu, Takakazu, Yamada, Yoshiaki, and Kobayashi, Kazuhide

Subjects
Biosensors -- Models, Orthodontics -- Methods, Magnets -- Usage, Biological sciences, Business, Computers, Health care industry
Abstract

We have developed a system for measuring tooth displacement from orthodontic force. Eight small magnetic sensors and a magnet are combined to measure three-dimensional displacement. Sensors, arranged cubically in the three planes of space, are placed in the mouth and fixed to the posterior teeth by a splint. A magnet is placed in the center of the eight sensors and attached to a front tooth that is subjected to orthodontic force. Sensors detect the magnet's movement as target tooth displacement. The system was designed to achieve displacement resolution of 1 [micro]m. The mean percentage of measurement errors was determined to be less than 1% in a 600-cubic-[micro]m volume from calibration. The system was tested clinically on human teeth. Although the oral environment, with high temperature and humidity, was not agreeable with the sensors, this system was stable and accurate enough for quantitative measurement of tooth displacement. The advantage of this system is the ability to detect tooth trajectories by decomposing displacement into translation and rotation and to determine the position of the center of rotation from these parameters. Index Terms--Magnetic sensors, motion, orthodontics, tooth trajectories.

Published
2001

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