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Article type: Cover
2013 Volume 68 Issue 3 Pages
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Published: March 05, 2013
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Article type: Index
2013 Volume 68 Issue 3 Pages
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Article type: Index
2013 Volume 68 Issue 3 Pages
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Article type: Appendix
2013 Volume 68 Issue 3 Pages
139-
Published: March 05, 2013
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Koichiro Asahi
Article type: Article
2013 Volume 68 Issue 3 Pages
140-
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Masako Izumi
Article type: Article
2013 Volume 68 Issue 3 Pages
141-148
Published: March 05, 2013
Released on J-STAGE: October 18, 2019
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The nuclear reactor of Fukushima power plant finally reached cold shutdown after its world-shaking accident. However, many people are still deeply concerned about the radiation effects on the human body and environment since there is no effective way to decontaminate the radioactive materials in the environment. Recent progress in biology enables us to understand how radiation affects the human body at the molecular level. On the other hand, the biological effects of low-dose radiation and the internal exposure in the long term are controversial since only a limited number of reports are available. Here I review the history and recent progress of radiation biology as well as the ground for the regulation by the government.
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Yu Nakayama
Article type: Article
2013 Volume 68 Issue 3 Pages
149-157
Published: March 05, 2013
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Scale invariance plays a central role in physics. In relativisc field theories, scale invariance may be enhanced to a larger symmetry known as conformal invariance. Mathematically speaking, scale invariance does not imply conformal invariance, but there have been a lot of debates over the distinction. In this article, I discuss how scale invariance can be enhanced to conformal invariance by summarizing recent developments.
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Koichi Mayumi, Kohzo Ito
Article type: Article
2013 Volume 68 Issue 3 Pages
158-161
Published: March 05, 2013
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Polyrotaxane (PR), in which cyclic molecules are threaded into a linear polymer chain, has been applied to various functional nanomaterials. A typical example of the functional materials is slidering gel (SR gel), prepared by cross-linking the cyclic molecules on different PRs in solution. In this article, we propose a novel model for the mechanical properties of SR gels, which suggests that the origin of the elasticity of SR gels is not only the entropy loss of the axial polymer chains but also that of the cyclic molecules resulting from their sliding motion along the polymer chain.
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Emi Minamitani, Noriyuki Tsukahara, Yousoo Kim, Noriaki Takagi
Article type: Article
2013 Volume 68 Issue 3 Pages
162-166
Published: March 05, 2013
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A single molecule on a metallic surface is one of intriguing materials in which the Kondo effect occurs. Recently, we found that the novel type of Kondo effect, SU(4) Kondo effect, emerges in Fe-phthalocyanine molecule on Au(111). The origin of this SU(4) Kondo effect is local symmetry arising from the combination between molecular framework and adsorption geometry. These results indicate the possibility to construct unique many-body electronic and spin states at surface by utilizing molecular characteristic.
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[in Japanese]
2013 Volume 68 Issue 3 Pages
167-175
Published: 2013
Released on J-STAGE: October 18, 2019
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Tsuneya Ando
Article type: Article
2013 Volume 68 Issue 3 Pages
176-178
Published: March 05, 2013
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[in Japanese]
2013 Volume 68 Issue 3 Pages
179-
Published: March 05, 2013
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[in Japanese]
2013 Volume 68 Issue 3 Pages
179-180
Published: March 05, 2013
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[in Japanese]
2013 Volume 68 Issue 3 Pages
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Published: March 05, 2013
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[in Japanese]
2013 Volume 68 Issue 3 Pages
180-181
Published: March 05, 2013
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[in Japanese]
2013 Volume 68 Issue 3 Pages
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[in Japanese]
2013 Volume 68 Issue 3 Pages
182-
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Hideyuki Kawasoko, Koki Akiyama, Yoshito Onishi
Article type: Article
2013 Volume 68 Issue 3 Pages
182-183
Published: March 05, 2013
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Kazuo Hiroi
Article type: Article
2013 Volume 68 Issue 3 Pages
184-185
Published: March 05, 2013
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[in Japanese]
Article type: Article
2013 Volume 68 Issue 3 Pages
186-
Published: March 05, 2013
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[in Japanese]
Article type: Article
2013 Volume 68 Issue 3 Pages
186-187
Published: March 05, 2013
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2013 Volume 68 Issue 3 Pages
187-
Published: 2013
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Article type: Appendix
2013 Volume 68 Issue 3 Pages
188-190
Published: March 05, 2013
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Article type: Appendix
2013 Volume 68 Issue 3 Pages
190-
Published: March 05, 2013
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[in Japanese]
2013 Volume 68 Issue 3 Pages
191-
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Article type: Appendix
2013 Volume 68 Issue 3 Pages
192-193
Published: March 05, 2013
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Article type: Appendix
2013 Volume 68 Issue 3 Pages
195-196
Published: March 05, 2013
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