66 research outputs found

    Green ILC Concept: Scenarios toward 2050 Carbon Neutrality in Japan and ILC

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    This paper describes Japan's scenario for achieving carbon neutrality by 2050 and the policy that should be adopted by the ILC in Japan in line with that policy. This paper only discusses CO2 emissions during operation, not the lifecycle CO2 emissions of the ILC

    Development of a Vertex Finding Algorithm using Recurrent Neural Network

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    Deep learning is a rapidly-evolving technology with possibility to significantly improve physics reach of collider experiments. In this study we developed a novel algorithm of vertex finding for future lepton colliders such as the International Linear Collider. We deploy two networks; one is simple fully-connected layers to look for vertex seeds from track pairs, and the other is a customized Recurrent Neural Network with an attention mechanism and an encoder-decoder structure to associate tracks to the vertex seeds. The performance of the vertex finder is compared with the standard ILC reconstruction algorithm.Comment: 8 pages, 8 figures, preliminary version currently under review by IL

    Comprehensive genomic profiling for patients with chemotherapy‐naïve advanced cancer

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    Comprehensive genomic profiling (CGP) testing by next-generation sequencing has been introduced into clinical practice as part of precision cancer medicine to select effective targeted therapies. However, whether CGP testing at the time of first-line chemotherapy could be clinically useful is not clear. We conducted this single-center, prospective, observational study to investigate the feasibility of CGP testing for chemotherapy-naïve patients with stage III/IV gastrointestinal cancer, rare cancer, and cancer of unknown primary, using the FoundationOne® companion diagnostic (F1CDx) assay. The primary outcome was the detection rate of at least one actionable/druggable cancer genomic alteration. Actionable/druggable cancer genomic alterations were determined by the F1CDx report. An institutional molecular tumor board determined the molecular-based recommended therapies. A total of 197 patients were enrolled from October 2018 to June 2019. CGP success rate was 76.6% (151 of 197 patients), and median turnaround time was 19 days (range: 10-329 days). Actionable and druggable cancer genomic alterations were reported in 145 (73.6%) and 124 (62.9%) patients, respectively. The highest detection rate of druggable genomic alterations in gastrointestinal cancers was 80% in colorectal cancer (48 of 60 patients). Molecular-based recommended therapies were determined in 46 patients (23.4%). CGP testing would be a useful tool for the identification of a potentially effective first-line chemotherapy

    Science Teaching to Develop Pupils' Scientific Viewpoints and Ways of Thinking : The Possibility for Instructing the 'Energy Conversion' in Elementary School Science

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    小学校中学年B区分の学習内容を相互に関連付けて考えるための視点として「エネルギー変換」を取り上げ、これをキーワードにした教材開発と授業設計を行った。岡山大学教育学部附属小学校の第4学年の児童を対象に研究授業を行い、児童の変容を学習の記録や授業前後のコンセプトマップの記述をもとに分析した。その結果、児童の中には、既習事項である「光」「熱」「電気」「力」とそれらがもたらす現象とを、相互に関連付けて考えようとする反応が見られるようになった。Attempts were made to correlate learning contents with each other in the physical science of elementary school science. The authors approached this subject from the energetic viewpoint. We developed some materials and disigned an instructon, based on the 'energy conversion.' One author conducted a science class to the fourth graders of elementary school attached to Okayama University. Then we made an analysis of the children's records of learning in class, and used a concept mapping. In this survey, it was found that some of the pupils tried to associate 'light', 'heat', 'electricity', and 'force' with some phenomena that were brought about from these concepts

    ガーナ ト ニホン ノ キソ レベル ニオケル エネルギー キョウイク ノ ヒカク ケンキュウ

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    本研究はガーナと日本のエネルギー事情の違いを採り入れた研究授業を小学校と高校で実施し,エネルギー教育を国際的な視点から見直すことの重要性を実践的に明らかにしたものである。同時にガーナと日本の指導要領の比較をエネルギー教育の観点から行い,両国の今後のエネルギー教育への提案を模索した。This study is concerned with: Comparison on Energy Education between Ghana and Japan and study lessons on energy from international view point. Energy Education and issues in the two countries quite differ in several ways. Findings of this research are as follows: i. In Ghana all the energy topics are taught under natural science but in Japan they are integrated with other subjects ii. In Ghana and in Japan it is part of the school curriculum furthermore in Japan some schools are sponsored by private companies in the energy sector as a project. iii. In Ghana energy lessons are started at grade 4 but in Japan, Tsunomine elementary, grades 1 iv. In Ghana the lessons are more theoretical but in Japan they are practically oriented国立情報学研究所『研究紀要公開支援事業』により電子化

    The Lectures on the Development of Teaching Plans and Teaching Materials Tried in the Science Education Class in Master's Course, Okayama University

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    岡山大学大学院教育学研究科の理科教育専攻の講義として、教材開発・授業案開発をテーマとした新しい講義を試みたのでその報告を行う。本講義は、理科教育講座に所属する大学院生、理科教育講座の大学教員、附属学校の理科関係の教諭が三者協働で進めることが特徴である。課題設定、教材開発を含めた実践準備および実践を院生チームを組み遂行させ、さらに経験や専門性の異なる人材と論議を重ねて活動を進めることを通じ、将来、協働で学校現場の課題提案・解決を行うことのできる能力を養うことを目標とした。This is a report of the new type of lectures on the development of teaching plans and teaching materials attempted in the science class in the Master's Course, Okayama University. The lectures were conducted in collaboration of the graduate students and the academic staffs in the science education course, and the science teachers of the attached school of Okayama University. The graduate students were grouped into two teams of five or six people, assigned to decide on themes, prepare and practice the development of teaching plans and teaching materials. They conducted their activities discussing problems with people of different experience and specialty, thus developing the ability to jointly propose and solve problems at schools in future

    Change in brain plasmalogen composition by exposure to prenatal undernutrition leads to behavioral impairment of rats.

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    Epidemiological studies suggest that poor nutrition during pregnancy influences offspring predisposition to experience developmental and psychiatric disorders. Animal studies have shown that maternal undernutrition leads to behavioral impairment, which is linked to alterations in monoaminergic systems and inflammation in the brain. In this study, we focused on the ethanolamine plasmalogen of the brain as a possible contributor to behavioral disturbances observed in offspring exposed to maternal undernutrition. Maternal food or protein restriction between gestational day (GD) 5.5 and GD 10.5 resulted in hyperactivity of rat male adult offspring. Genes related to the phospholipid biosynthesis were found to be activated in the prefrontal cortex (PFC), but not in the nucleus accumbens or striatum, in the offspring exposed to prenatal undernutrition. Corresponding to these gene activations, increased ethanolamine plasmalogen (18:0p-22:6) was observed in the PFC using mass spectrometry imaging. A high number of crossings and the long time spent in the center area was observed in the offspring exposed to prenatal undernutrition and was mimicked in adult rats via the intravenous injection of ethanolamine plasmalogen (18:0p-22:6) incorporated into the liposome. Additionally, plasmalogen (18:0p-22:6) increased only in the PFC, and not in the nucleus accumbens or striatum. These results suggest that brain plasmalogen is one of the key molecules to control behavior and its injection using liposome is a potential therapeutic approach for cognitive impairment.Significance Statement:Maternal undernutrition correlates to developmental and psychiatric disorders. Here, we found that maternal undernutrition in early pregnancy led to hyperactivity in rat male offspring and induced gene activation of phospholipid-synthesizing enzyme and elevation of ethanolamine plasmalogen (18:0p-22:6) level in the prefrontal cortex (PFC). Intravenous injection of ethanolamine plasmalogen (18:0p-22:6) incorporated into the liposome maintained crossing activity and was circumscribed to the center area for a long time period, in prenatally undernourished offspring with aberrant behavior. Furthermore, the amount of ethanolamine plasmalogen (18:0p-22:6) increased in the PFC of the rat after injection. Our result suggests that brain plasmalogen is one of the key molecules to control behavior and that its injection using liposome is a potential therapeutic approach for cognitive impairment

    Measurement of serum hepcidin-25 levels as a potential test for diagnosing hemochromatosis and related disorders

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    石川県立中央病院金沢大学医薬保健研究域医学系Iron overload syndromes include a wide spectrum of genetic and acquired conditions. Recent studies suggest suppressed hepcidin synthesis in the liver to be the molecular basis of hemochromatosis. However, a liver with acquired iron overload synthesizes an adequate amount of hepcidin. Thus, hepcidin could function as a biochemical marker for differential diagnosis of iron overload syndromes. Methods We measured serum iron parameters and hepcidin- 25 levels followed by sequencing HFE, HJV, HAMP, TFR2, and SLC40A1 genes in 13 Japanese patients with iron overload syndromes. In addition, we performed direct measurement of serum hepcidin-25 levels using liquid chromatography-tandem mass spectrometry in 3 Japanese patients with aceruloplasminemia and 4 Italians with HFE hemochromatosis. Results One patient with HJV hemochromatosis, 2 with TFR2 hemochromatosis, and 3 with ferroportin disease were found among the 13 Japanese patients. The remaining 7 Japanese patients showed no evidence for genetic basis of iron overload syndrome. As far as the serum hepcidin-25 was concerned, seven patients with hemochromatosis and 3 with aceruloplasminemia showed markedly decreased serum hepcidin-25 levels. In contrast, 3 patients with ferroportin disease and 7 with secondary iron overload syndromes showed serum hepcidin levels parallel to their hyperferritinemia. Patients with iron overload syndromes were divided into 2 phenotypes presenting as low and high hepcidinemia. These were then associated with their genotypes. Conclusion Determining serum hepcidin-25 levels may aid differential diagnosis of iron overload syndromes prior to genetic analysis. © Springer 2010
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