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| 1 | Fluorescent SiC and its application to white light-emitting diodes显示文摘Fluorescent-SiC(f-SiC),which contains donor and acceptor impurities with optimum concentrations, has high conversion efficiency from NUV to visible light caused by donor-acceptor-pair(DAP) recombination. This material can be used as a substrate for a near UV light-emitting diode(LED) stack,and leads to monolithic white LED device with suitable spectral property for general lighting applications.In this paper,we describe basic technologies of the white LED,such as optical properties of f-SiC substrate,and epitaxial growth of NUV stack on the f-SiC substrate. | Satoshi Kamiyama Motoaki Iwaya Tetsuya Takeuchi Isamu Akasaki Mikael Syvjrvi Rositza Yakimova | 2011 | Journal of Semiconductors2011，32，1： | 5 |
| 2 | Alpha-fetoprotein before and after pegylated interferon therapy for predicting hepatocellular carcinoma development显示文摘AIM: To investigate factors that accurately predict hepatocellular carcinoma(HCC) development after antiviral therapy in chronic hepatitis C(CHC) patients. METHODS: CHC patients who received pegylated interferon and ribavirin were enrolled in this cohort study that investigated the ability of alpha-fetoprotein(AFP) to predict HCC development after interferon(IFN) therapy. RESULTS: Of 1255 patients enrolled, 665 developed sustained virological response(SVR) during mean follow-up period of 5.4 years. HCC was occurred in 89 patients, and 20 SVR patients were included. Proportional hazard models showed that HCC occurred in SVR patients showing AFP ≥ 5 ng/m L before therapy and in non-SVR patients showing AFP ≥ 5 ng/m L before and 1 year after therapy besides older age, and low platelet counts. SVR patients showing AFP ≥ 5 ng/m L before therapy and no decrease in AFP to < 5 ng/m L 1 year after therapy had significantly higher HCC incidence than non-SVR patients showing AFP ≥ 5 ng/m L before therapy and decreased AFP(P = 0.043). AFP ≥ 5 ng/m L before therapy was significantly associated with low platelet counts and high values of alanine aminotransferase(ALT) in stepwise logistic regression analysis. After age, gender, platelet count, and ALT was matched by propensity score, significantly lower HCC incidence was shown in SVR patients showing AFP < 5 ng/m L before therapy than in those showing AFP ≥ 5 ng/m L.CONCLUSION: The criteria of AFP < 5 ng/m L before and 1 year after IFN therapy is a benefical predictor for HCC development in CHC patients. | Yasuto Takeuchi Fusao Ikeda Toshiya Osawa Yasuyuki Araki Kouichi Takaguchi Youichi Morimoto Noriaki Hashimoto Kousaku Sakaguchi Tatsuro Sakata Masaharu Ando Yasuhiro Makino Shuji Matsumura Hiroki Takayama Hiroyuki Seki Shintarou Nanba Yuki Moritou Tetsuya Yasunaka Hideki Ohnishi Akinobu Takaki Kazuhiro Nouso Yoshiaki Iwasaki Kazuhide Yamamoto | 2015 | World Journal of Hepatology2015，7，19： | 3 |
| 3 | Risk factors for recurrence after transarterial chemoembolization for early-stage hepatocellular carcinoma显示文摘 | Hideaki Kinugasa Kazuhiro Nouso Yasuto Takeuchi Tetsuya Yasunaka Hideki Onishi Shin-ichiro Nakamura Hidenori Shiraha Kenji Kuwaki Hiroaki Hagihara Fusao Ikeda Yasuhiro Miyake Akinobu Takaki Kazuhide Yamamoto | 2012 | Journal of Gastroenterology2012，，4： | 2 |
| 4 | The role of TNF-alpha and its receptors in the production of NGF and GDNF by astrocytes显示文摘 | Reiko Kuno Yusuke Yoshida Atsumi Nitta Toshitaka Nabeshima Jinyan Wang Yoshifumi Sonobe Jun Kawanokuchi Hideyuki Takeuchi Tetsuya Mizuno Akio Suzumura | 2006 | Brain Research2006，，： | 1 |
| 5 | Study of a simple sensor for stress history measurements of a structural member using a piezoelectric element显示文摘 | Eiji Shintaku Yukio Fujimoto Kunihiro Hamada Tetsuya Takeuchi | 2000 | Journal of Marine Science and Technology2000，，1： | 1 |
| 6 | Core Protein of Hepatitis C Virus Induces Cardiomyopathy显示文摘 | Takashi Omura Minoru Yoshiyama Tetsuya Hayashi Shuhei Nishiguchi Masahiko Kaito Shinichiro Horiike Katsuhiko Fukuda Sakiko Inamoto Yasushi Kitaura Yasuhiro Nakamura Masakazu Teragaki Takeshi Tokuhisa Hiroshi Iwao Kazuhide Takeuchi Junichi Yoshikawa | 2005 | Circulation Research2005，，2： | 1 |
| 7 | Rebamipide inhibits indomethacin-induced small intestinal injury: Possible involvement of intestinal microbiota modulation by upregulation of α-defensin 5显示文摘 | Tetsuya Tanigawa Toshio Watanabe Koji Otani Yuji Nadatani Fumikazu Ohkawa Mitsue Sogawa Hirokazu Yamagami Masatsugu Shiba Kenji Watanabe Kazunari Tominaga Yasuhiro Fujiwara Koji Takeuchi Tetsuo Arakawa | 2013 | 2013 (1-3)2013，，1： | 1 |
| 8 | Efficacy of immunoglobulin plus prednisolone for prevention of coronary artery abnormalities in severe Kawasaki disease (RAISE study): a randomised, open-label, blinded-endpoints trial显示文摘 | Tohru Kobayashi Tsutomu Saji Tetsuya Otani Kazuo Takeuchi Tetsuya Nakamura Hirokazu Arakawa Taichi Kato Toshiro Hara Kenji Hamaoka Shunichi Ogawa Masaru Miura Yuichi Nomura Shigeto Fuse Fukiko Ichida Mitsuru Seki Ryuji Fukazawa Chitose Ogawa Kenji Furuno | 2012 | The Lancet2012，，9826： | 1 |
| 9 | Computer Vision Based Methods for Detecting Weeds in Lawns显示文摘 | Ukrit Watchareeruetai Yoshinori Takeuchi Tetsuya Matsumoto | | 0，，05： | 1 |
| 10 | Association of Higher Methotrexate Dose With Lymphoproliferative Disease Onset in Rheumatoid Arthritis Patients显示文摘 | Tomohiro Kameda Hiroaki Dobashi Nobuyuki Miyatake Masayuki Inoo Ikuko Onishi Noriyuki Kurata Hiroki Mitsunaka Kimihiro Kawakami Tetsuya Fukumoto Kentaro Susaki Miharu Izumikawa Shusaku Nakashima Hiromi Shimada Yohei Takeuchi Reiji Haba Shohei Mano Hiroaki | 2014 | Arthritis Care & Research2014，，9： | 1 |
| 11 | Production and functions of IL-33 in the central nervous system显示文摘 | Satoko Yasuoka Jun Kawanokuchi Bijay Parajuli Shijie Jin Yukiko Doi Mariko Noda Yoshifumi Sonobe Hideyuki Takeuchi Tetsuya Mizuno Akio Suzumura | 2010 | Brain Research2010，，： | 1 |
| 12 | The usefulness of CEA and/or CA19-9 in monitoring for recurrence in gastric cancer patients: a prospective clinical study显示文摘 | Yutaka Takahashi Tetsuo Takeuchi Junichi Sakamoto Tetsuya Touge Masayoshi Mai Hisanao Ohkura Susumu Kodaira Kunio Okajima Hiroaki Nakazato | 2003 | Gastric Cancer2003，，3： | 1 |
| 13 | Significance of xanthine oxidase in the production of intracellular oxygen radicals in an in-vitro hypoxia-reoxygenation model显示文摘 | Tetsuya Kakita Masanori Suzuki Heigo Takeuchi Michiaki Unno Seiki Matsuno | 2002 | Journal of Hepato - Biliary - Pancreatic Surgery2002，，2： | 1 |
| 14 | Anisotropic,thermal,and magnetic Properties of CeAgSb2:Explanation via a crystalline electric field scheme显示文摘 | Takeuchi Tetsuya Thamizhavel Arumugam Okubo Tomoyuki | 2003 | Phys Rev B2003，67，06： | 1 |
| 15 | Hepatocyte Growth Factor Expression in EGFR Mutant Lung Cancer with Intrinsic and Acquired Resistance to Tyrosine Kinase Inhibitors in a Japanese Cohort显示文摘 | Seiji Yano Tadaaki Yamada Shinji Takeuchi Keisei Tachibana Yuko Minami Yasushi Yatabe Tetsuya Mitsudomi Hidenori Tanaka Tatsuo Kimura Shinzoh Kudoh Hiroshi Nokihara Yuichiro Ohe Jun Yokota Hidetaka Uramoto Kosei Yasumoto Katsuyuki Kiura Masahiko Higashiya | 2011 | Journal of Thoracic Oncology2011，，12： | 1 |
| 16 | Axial Symptoms After Cervical Laminoplasty With C3 Laminectomy Compared With Conventional C3–C7 Laminoplasty: A Modified Laminoplasty Preserving the Semispinalis Cervicis Inserted into Axis (Presented at the 2004 CSRS Meeting)显示文摘 | Kazunari Takeuchi Toru Yokoyama Shuichi Aburakawa Akira Saito Takuya Numasawa Tetsuya Iwasaki Taito Itabashi Akihiro Okada Junji Ito Kazumasa Ueyama Satoshi Toh | 2005 | Spine2005，，22： | 1 |
| 17 | Axial Symptoms After Cervical Laminoplasty With C3 Laminectomy Compared With Conventional C3–C7 Laminoplasty: A Modified Laminoplasty Preserving the Semispinalis Cervicis Inserted into Axis (Presented at the 2004 CSRS Meeting)显示文摘 | Kazunari Takeuchi Toru Yokoyama Shuichi Aburakawa Akira Saito Takuya Numasawa Tetsuya Iwasaki Taito Itabashi Akihiro Okada Junji Ito Kazumasa Ueyama Satoshi Toh | 2005 | Spine2005，，22： | 1 |
| 18 | Hayabusa2’s station-keeping operation in the proximity of the asteroid Ryugu显示文摘The Japanese interplanetary probe Hayabusa2 was launched on December 3,2014 and the probe arrived at the vicinity of asteroid 162173 Ryugu on June 27,2018.During its 1.4 years of asteroid proximity phase,the probe successfully accomplished numbers of record-breaking achievements including two touchdowns and one artificial cratering experiment,which are highly expected to have secured surface and subsurface samples from the asteroid inside its sample container for the first time in history.The Hayabusa2 spacecraft was designed not to orbit but to hover above the asteroid along the sub Earth line.This orbital and geometrical configuration allows the spacecraft to utilize its high-gain antennas for telecommunication with the ground station on Earth while pointing its scientific observation and navigation sensors at the asteroid.This paper focuses on the regular station-keeping operation of Hayabusa2,which is called“home position”(HP)-keeping operation.First,together with the spacecraft design,an operation scheme called HP navigation(HPNAV),which includes a daily trajectory control and scientific observations as regular activities,is introduced.Following the description on the guidance,navigation,and control design as well as the framework of optical and radiometric navigation,the results of the HP-keeping operation including trajectory estimation and delta-V planning during the entire asteroid proximity phase are summarized and evaluated as a first report.Consequently,this paper states that the HP.keeping operation in the framework of HPNAV had succeeded without critical incidents,and the number of trajectory control delta-V was planned fficiently throughout the period. | Yuto Takei Takanao Saiki Yukio Yamamoto Yuya Mimasu Hiroshi Takeuchi Hitoshi Ikeda Naoko Ogawa Fuyuto Terui Go Ono Kent Yoshikawa Tadateru Takahashi Hirotaka Sawada Chikako Hirose Shota Kikuchi Atsushi Fuji Takahiro Iwata Satoru Nakazawa Masahiko Hayakawa Ryudo Tsukizaki Satoshi Tanaka Masanori Matsushita Osamu Mori Daiki Koda Takanobu Shimada Masanobu Ozaki Masanao Abe Satoshi Hosoda Tatsuaki Okada Hajime Yano Takaaki Kato Seiji Yasuda Kota Matsushima Tetsuya Masuda Makoto Yoshikawa Yuichi Tsuda | 2020 | Astrodynamics2020，4，4： | 0 |
| 19 | Space-charge effect on photogenerated-current and-voltage inⅢ-nitride optoelectronic semiconductors显示文摘In this study,we attempted to elucidate the carrier dynamics behind the abnormal characteristics of photogenerated current and voltage(IPhand VPh)at cryogenic temperature inⅢ-nitride optoelectronic semiconductors by employing space-charge theory.To this end,we carefully investigated and analyzed excitation-powerdependentⅠ-Ⅴ(PDIV)curves operated by quasiresonant excitation of an Al Ga In N-based p-i-n junction semiconductor at 300 K and 15 K.At 300 K,the curves exhibited typical characteristics and were well described by the conventional theory.However,the PDIV curves at 15 K could no longer be described by the conventional theory.To elucidate the mechanism behind this phenomenon,we proposed a model in which the space-charge effect(SCE)plays a key role.Based on this model,we proposed the modified Shockley diode equation,which can explain the PDIV characteristic at 15 K,including the SCE.We also discussed the SCE on the efficiency of devices. | DONG-PYO HAN MOTOAKI IWAYA TETSUYA TAKEUCHI SATOSHI KAMIYAMA ISAMU AKASAKI | 2021 | Photonics Research2021，9，9： | 0 |
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