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6 results on '"Mitani, M."'

3. MRI of meningioma

Author

Toshiaki Noriyasu, Nobuhiro Inoue, Mitumasa Kaji, Mamoru Fujishima, Yoshio Hiraki, Yoshio Yamamoto, Shin Kimoto, Ikuo Joja, Kaname Aono, Keiji Hashimoto, Mitani M, and Hidehiro Hayashi

Subjects
Meningioma, Nervous system, Nuclear magnetic resonance, medicine.anatomical_structure, Materials science, Central nervous system, Cat scanning, medicine, Spin–lattice relaxation, Meninges, Relaxation (physics), medicine.disease
Published
1988

4. Kinematic magnetic resonance imaging (MRI) of the normal shoulder: Assessment of the shapes and signals of the superior and inferior labra with abductive movement using an open-type imager

Author

Togami, I., Sasai, N., Tsunoda, M., Tetsuro, S., Yabuki, T., Kitagawa, T., Mitani, M., Akaki, S., Masahiro Kuroda, and Hiraki, Y.

Subjects
Adult, Male, Rotation, Shoulder Joint, shoulder, Movement, Middle Aged, Magnetic Resonance Imaging, glenoid labrum, Biomechanical Phenomena, body regions, Reference Values, open-type MRI, Humans, Female, sense organs, Range of Motion, Articular, kinematic magnetic resonance imaging(MRI)
Abstract

A preliminary study was conducted to evaluate the superior and inferior glenoid labra with abductive movement using an open-type MR unit in asymptomatic healthy volunteers. Both fast low angle shot (FLASH) and turbo spin echo (TSE) images were obtained to evaluate the shapes of both the superior and inferior labra, as well as to assess changes in signal at these sites. As the abduction angle was increased, the shape of the superior labrum changed from round or triangular to crescentic and a higher signal was frequently seen. At an abduction angle of 150 degrees, an increase in signal was seen in one-half of the superior labra; this increase was noted more frequently in volunteers over 40 years of age. In some of the superior labra, the increase in signal seen at 150 degrees abduction disappeared on subsequent images obtained at 0 degrees abduction. Hence, the increase in signal was considered to be a reversible change. The shape of the inferior labrum tended to change from crescentic to triangular or round. An increase in signal in the inferior labrum was unrelated to the abduction angle. Abductive kinematic studies using an open-type MR unit provides information about the morphology of the superior and inferior labra, as well as information about signal changes occurring at these sites.

6. Butyllithium-Mediated Coupling of Aryl Bromides with Ketones under In-Situ-Quench (ISQ) Conditions: An Efficient One-Step Protocol Applicable to Microreactor Technology

Author

Masatoshi Mitani, Jörg-Martin Neudörfl, Hans-Günther Schmalz, Andreas Adler, Anne Becker, Janna Velder, Johann Lex, Sherif El Sheikh, Sachio Goto, Said Elmas, Yuki Sakamoto, Goto, Sachio, Velder, Janna, Sheikh, N.M, Sakamoto, Y, Mitani, M, Elmas, Sait, Adler, Ronald, Becker, Karen, Neudorfl, J M, Lex, J, and Schmalz, Sebastian

Subjects
Coupling, chemistry.chemical_classification, Ketone, Nucleophilic addition, amino alchohols, Aryl, Organic Chemistry, One-Step, microreactors, Combinatorial chemistry, organometallic reagents, chemistry.chemical_compound, nucleophilic addition, chemistry, Bromide, lithiation, Butyllithium, Organic chemistry, Microreactor
Abstract

Exploiting the high rate of bromine-lithium exchange reactions, aryl carbinols such as fenpy-type ligands are readily obtained by simply combining a mixture of a ketone and an aryl bromide with butyllithium.

Published
2008

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