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Crystallographic Characterization of Lu_(2)O@C_(s)(6)-C_(82)and Er_(2)O@C_(s)(6)-C_(82):The Role of Metal Species on Cluster Configuration

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Chinese Journal of Chemistry 2023年第16期41卷 1915-1920页

作者： Pengwei Yu Haocheng Mei Shuaifeng Hu Changwang Pan Wangqiang Shen Pengyuan Yu Kun Guo Yunpeng Xie takeshi akasaka Lipiao Bao Xing Lu Stote Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhongUniversity of Science and Technology1037 Luoyu RoadWuhanHubei 430074China Jiangxi Province Key Laboratory of Coordination Chemistry School of Chemistry and Chemical EngineeringJinggangshan University28 Xueyuan RoadJianJiangxi 343009China.

Comprehensive Summary Intramolecular interactions are fundamental for the unique structures and outstanding properties of ***,how the internal metal species interplay with the cluster configuration inside oxide clusterfullerenes remains poorly ***,we successfully captured two oxide clusterfullerenes with different metals,namely,Lu_(2)O@C_(82)and Er_(2)O@C_(82),to elucidate the role of metal species in tuning cluster *** two molecules have been fully characterized by mass spectrometry,Vis-NIR absorption spectroscopy,cyclic voltammetry,and single-crystal X-ray diffraction.

关键词： Fullerenes Crystal growth Structure elucidation Host-guest systems π-πstacking Fullerenes Crystal growth Structure elucidation Host-guest systems π--πstacking

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Magnetism in Carbon Nanoscrolls: Quasi-Half-Metals and Half-Metals in Pristine Hydrocarbons

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Nano Research 2009年第11期2卷 844-850页

作者： Lin Lai Jing Lu Lu Wang Guangfu Luo Jing Zhou Rui Qin Yu Chen Hong Li Zhengxiang Gao Guangping Li Wai Ning Mei Yutaka Maeda takeshi akasaka and Stefano Sanvito State Key Laboratory for Mesoscopic Physics and Department of Physics Peking UniversityBeijing 100871China Department of Physics University of Nebraska at OmahaOmahaNebraska 68182-0266USA SICAS Center Lee HallSUNY OneontaOneontaNY 13820USA Department of Chemistry Tokyo Gakugei UniversityTokyo 184-8501Japan PRESTO Japan Science and Technology Agency4-1-8 Honcho KawagushiSaitamaJapan Center for Tsukuba Advanced Research Alliance University of TsukubaIbaraki 305-8577Japan School of Physics and CRANN Trinity CollegeDublin 2Ireland

A magnetic ground state is revealed for the first time in zigzag-edged carbon nanoscrolls(ZCNSs)from spin-unrestricted density functional theory *** their flat counterpart-zigzag-edged carbon nanoribbons,which are semiconductors with spin-degenerate electronic structure-ZCNSs show a variety of magnetic configurations,namely spin-selective semiconductors,metals,semimetals,quasi-half-metals,and *** the best of our knowledge,this is the first discovery of quasi-half-metals and half-metals in a pure hydrocarbon without resort to an external electric *** addition,we calculated the spin-dependent transportation of the semiconducting ZCNSs with 12 and 20 zigzag chains,and found that they are 13% and 17% at the Fermi level,respectively,suggesting that ZCNS can be an effective spin filter.

关键词： Carbon nanoscrolls quasi-half-metals half-metals graphene spin-selective spin filter

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Facile Access to Y2C2n(2n = 92-130) and Crystallographic Characterization of Y2C2@C1(1660)-C108: A Giant Nanocapsule with A Linear Carbide Cluster

Facile Access to Y2C2n(2n = 92-130) and Crystallographic Cha...

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2018年中西部地区无机化学化工学术研讨会

作者： Changwang Pan Lipiao Bao Xianyong Yu Hongyun Fang Yunpeng Xie takeshi akasaka Xing Lu State Key Laboratory of Materials Processing and Die & Mold Technology School of Materials Science and Engineering Huazhong University of Science and Technology Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education School of Chemistry and Chemical Engineering Hunan University of Science and Technology

A series of giant metallofullerenes YC (2n=92-130) have been successfully obtained through the treatment of the fraction enriched by 1,2-dichlorobenzene with *** chromatographic separation gives a pure sample with a composition of *** results reveal that this endohedral takes the carbide form,namely YC@C(1660)-C,representing as the largest metallofullerene that have been characterized by crystallography to *** of the disorder of the metal cluster,the major YC adopts a previously predicted linear configuration,indicating that the compression of the internal cluster by the cage is almost negligible in this giant *** studies suggest that YC@C(1660)-C is a good electron donor instead of an electron acceptor.

关键词： metallofullerene metal carbide crystallography separation

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On Features of Forms and Composing Trees of Kune （High Hedge） as Element of Cultural Landscape in the Area along Edogawa-River in Chiba Prefecture

On Features of Forms and Composing Trees of Kune （High Hedg...

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作者： Makoto akasaka takeshi KINOSHITA Chiba University （Japan） Chiba University （Japan）

＜正＞The "Kune" , trimmed high hedge, is distributed along Edogawa-River of Chiba prefecture. The site of farmhouse has been banked because of prevention of floods. That is a type of landscape for the natural disaster prevention. It shows the feature of cultural landscape of this region. This study aims to find the types of form and composing trees of Kune. The site of the research （7 ha） is the agricultural and residential area with high-rise buildings where has been cultivated since 18th century as rice field. Before that time it had been marsh area along Edogawa-River. The tree species used for Kune are Mochinoki （llex integra）, Yabutsubaki （Camellia japonica） and Inumaki （Podocarpus macrophyllus）. By comparing with the other cases of Kune in Japan it will be found out the local feature of the Kune of this area.

关键词： Kune hedge flood landscape agriculture

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Feasibility of cold snare polypectomy in Japan: A pilot study

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World Journal of Gastrointestinal Endoscopy 2015年第17期7卷 1250-1256页

作者： Yoji Takeuchi takeshi Yamashina Noriko Matsuura Takashi Ito Mototsugu Fujii Kengo Nagai Fumi Matsui Tomofumi akasaka Noboru Hanaoka Koji Higashino Hiroyasu Iishi Ryu Ishihara Henrik Thorlacius Noriya Uedo Department of Gastrointestinal Oncology Osaka Medical Center for Cancer and Cardiovascular Diseases Department of Clinical Sciences Section of SurgeryMalmoLund University

AIM: To investigate the feasibility of cold snare polypectomy(CSP) in ***: The outcomes of 234 non-pedunculated polyps smaller than 10 mm in 61 patients who underwent CSP in a Japanese referral center were retrospectively analyzed. The cold snare polypectomies were performed by nine endoscopists with no prior experience in CSP using an electrosurgical snare without ***: CSPs were completed for 232 of the 234 polyps. Two(0.9%) polyps could not be removed without electrocautery. Immediate postpolypectomy bleeding requiring endoscopic hemostasis occurred in eight lesions(3.4%; 95%CI: 1.1%-5.8%), but all were easily managed. The incidence of immediate bleeding after CSP for small polyps(6-9 mm) was significantly higher than that of diminutive polyps(≤ 5 mm; 15% vs 1%, respectively). Three(5%) patients complained of minor bleeding after the procedure but required no intervention. The incidence of delayed bleeding requiringendoscopic intervention was 0.0%(95%CI: 0.0%-1.7%). In total, 12% of the resected lesions could not be retrieved for pathological examination. Tumor involvement in the lateral margin could not be histologically assessed in 70(40%) ***: CSP is feasible in Japan. However, immediate bleeding, retrieval failure and uncertain assessment of the lateral tumor margin should not be underestimated. Careful endoscopic diagnosis before and evaluation of the tumor residue after CSP are recommended when implementing CSP in Japan.

关键词： Colonoscopy Endoscopic gastrointestinal surgery Colorectal neoplasm Polypectomy Cold snare polypectomy

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