Search Results 1-20 of 7217

  • Nuclear Magnetic Resonance Model of an Entangled Sensor under Noise

    Ho Le Bin , Matsuzaki Yuichiro , Matsuzaki Masayuki , Kondo Yasushi

    Journal of the Physical Society of Japan 89(5), 054001-054001, 2020-05-15

    DOI 

  • Nuclear Magnetic Resonance Model of an Entangled Sensor under Noise

    Ho Le Bin , Matsuzaki Yuichiro , Matsuzaki Masayuki , Kondo Yasushi

    Journal of the Physical Society of Japan 89(5), 054001-1-8, 2020-05

  • Improvement and application of BLOSUM which is blocks of amino acid substitution matrix using standardized Levenshtein distance method  [in Japanese]

    金城 和輝 , 伊藤 利明 , カネシロ カズキ , イトウ トシアキ , Kaneshiro Kazuki , Itoh Toshiaki

    タンパク質の構造の分析手法の多くは, X線結晶構造解析法と核磁気共鳴法で行われている. しかし, 双方とも時間やコストがかかり, この問題を解決する手段としてBLOSUMを導入したプログラムでタンパク質の構造を推定する方法が用いられている. 特にBLOSUM62が用いられている. しかし,BLOSUM62は情報エントロピーの不可逆性と精度の低さが報告されている. 本研究では標準化レーベンシュタイン …

    同志社大学ハリス理化学研究報告 = The Harris science review of Doshisha University 61(1), 22-29, 2020-04-30

    IR  DOI 

  • Antihypertensive Effect of Tomato Leaf Tea on Spontaneously Obese-Hypertensive Rats  [in Japanese]

    仲村 麻恵 , 本 三保子 , 高見澤 菜穂子 , 岡本 由希 , 室田 明彦 , 鬘谷 要

    トマト(Solanum lycopersicum )葉を熱水抽出したトマト葉茶の抗高血圧作用を検討する目的で、肥満・高血圧自然発症ラットに対する単回投与試験を行った。トマト葉茶の単回投与により、トマト葉茶の用量依存的に有意に血圧が降下した。さらに、トマト葉茶の血圧降下は、トマト葉茶中のγ-アミノ酪酸(GABA)濃度と同等になるように調製したGABA溶液を投与した場合と同程度であった。トマト葉茶の核 …

    和洋女子大学紀要 = The journal of Wayo Women's University (61), 115-121, 2020-03-31

    IR  DOI 

  • Synthesis and characterization of a methacrylate monomer with a thiohydantoin structure

    Matsumura Hideo , Kojima Katsunori , Mio Shigeru , Yamamoto Takashi , Kodaira Akihisa , Koizumi Hiroyasu

    … The structure of the compound was assigned with proton nuclear magnetic resonance spectrum analysis, infrared spectroscopy, and high-resolution mass spectral analysis. …

    Journal of Oral Science 62(3), 256-258, 2020

    J-STAGE 

  • Non-destructive monitoring of vegetable freshness:Visible/ near-infrared and nuculear magnetic resonance spectroscopy fusion of komatsuna (<i>Brassica rapa var. perviridis</i>) leaf and its interpretation  [in Japanese]

    TSUTA Mizuki , LI Xinyue , SUZUKI Yoko , MAEDA Ikuko , FUJIWARA Yumie , SEKIYAMA Yasuyo

    <p>消費者が野菜を購入するに最重要視するのはその「鮮度」である. 野菜の客観的な鮮度指標として収穫後の積算温度(貯蔵温度と時間の積)が提唱されているが, 積算温度を収穫から小売までの全流通過程でモニタリングすることは困難である. そこで本研究では, 果実の糖度推定などに活用されている可視-近赤外分光法に注目し, コマツナ葉積算温度の非破壊推定を試みた. 収穫直後のコマツナを5, 10 …

    Proceedings of the Annual Conference of JSAI JSAI2020(0), 1F4OS2b01-1F4OS2b01, 2020

    J-STAGE 

  • Collaborative Study to Validate Purity Determination by <sup>1</sup>H quantitative NMR Spectroscopy by Using Internal Calibration Methodology

    Miura Toru , Zailer Elina , Diehl Bernd , Gallo Vito , Todisco Stefano , Ofuji Katsuya , Fujita Kazuhiro , Higano Taro , Geletneky Christian , Hausler Thomas , Singh Neeraj , Sugimoto Naoki , Yamamoto Kana , Kato Tsuyoshi , Sawa Ryuichi , Watanabe Ryuichi , Iwamoto Yoshiaki , Goda Yukihiro , Bhavaraju Sitaram , Yamazaki Taichi , Nishizaki Yuzo , Liu Yang , Bzhelyansky Anton , Amezcua Carlos , Ray Joseph

    … <p>Nuclear Magnetic Resonance (NMR) spectroscopy has recently been utilized to determine the absolute amounts of organic molecules with metrological traceability since signal intensity is directly proportional to the number of each nucleus in a molecule. …

    Chemical and Pharmaceutical Bulletin, 2020

    J-STAGE 

  • Perfusion-driven Intravoxel Incoherent Motion (IVIM) MRI in Oncology: Applications, Challenges, and Future Trends

    Iima Mami

    <p>Recent developments in MR hardware and software have allowed a surge of interest in intravoxel incoherent motion (IVIM) MRI in oncology. Beyond diffusion-weighted imaging (and the standard ap …

    Magnetic Resonance in Medical Sciences, 2020

    J-STAGE 

  • Revision of the ESUR Guidelines and Other Recent Topics  [in Japanese]

    TSUSHIMA Yoshito

    <p> In the European Society of Urogenital Radiology (ESUR) guidelines 10.0, the usefulness of premedication, such as steroids, which is widely used for patients with risk factors for acute (imme …

    Japanese Journal of Magnetic Resonance in Medicine 40(2), 55-61, 2020

    J-STAGE 

  • Smooth muscle tumor of uncertain malignant potential that occurred after laparoscopic myomectomy: A case report  [in Japanese]

    Koike Ryo , Miyamoto Shingo , Shimada Kanae , Onuki Mamiko , Ishikawa Tetsuya , Kushima Miki , Sekizawa Akihiko , Matsumoto Koji

    … We report a case of STUMP that occurred after laparoscopic myomectomy in a patient diagnosed with a leiomyoma preoperatively.</p><p>  A 44-year-old woman developed menorrhagia at 35 years of age and underwent magnetic resonance imaging (MRI), which revealed a tumor (55 mm in size) at the bottom of the uterus, and we suspected cellular myoma. … We diagnosed STUMP based on histopathological findings of nuclear atypia and nuclear fission. …

    JAPANESE JOURNAL OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY 36(1), 169-177, 2020

    J-STAGE 

  • Delineating the Dynamic Conformations of Oligosaccharides by Combining Molecular Simulation and NMR Spectroscopy  [in Japanese]

    Yamaguchi Takumi

    <p>糖鎖機能の構造基盤を正しく理解するためには、立体構造の揺らぎを含めた動態としての描象が重要となる。常磁性効果を活用した核磁気共鳴(NMR)法と、分子シミュレーションを組み合わせることで、糖鎖の動的立体構造を解析する方法論を確立した。この手法により、ガングリオシドの糖鎖構造や、糖タンパク質の品質管理に関わる高マンノース型糖鎖のコンフォメーションを明らかにした。さらに、静的な構造解析 …

    Trends in Glycoscience and Glycotechnology 32(187), J79-J84, 2020

    J-STAGE 

  • Delineating the Dynamic Conformations of Oligosaccharides by Combining Molecular Simulation and NMR Spectroscopy

    Yamaguchi Takumi

    … The combination of molecular simulations and nuclear magnetic resonance (NMR) spectroscopy is an effective method for quantitatively interpreting the dynamic behaviors of oligosaccharides. …

    Trends in Glycoscience and Glycotechnology 32(187), E93-E98, 2020

    J-STAGE 

  • Interface and Adhesion of Composite:2. Structure of Filler Surface Treated with Silane Coupling Agent  [in Japanese]

    NAKAMURA Yoshinobu , HIRAI Tomoyasu , FUJII Syuji

    … The relaxation behavior measured by <sup>1</sup>H pulse nuclear magnetic resonance (pulse NMR) showed that the network structure is rigid, whereas the hairy chain is flexible. …

    NIPPON GOMU KYOKAISHI 93(3), 91-94, 2020

    J-STAGE 

  • Localization of cerebral hypoperfusion in dogs with refractory and non-refractory epilepsy using [99mTc] ethyl cysteinate dimer and single photon emission computed tomography

    HUAIJANTUG Somkiat , THEERAPHUN Wuttiwong , SUWANNA Nirut , THONGPRAPARN Thanapong , CHANACHAI Rujaporn , AUMARM Waraporn

    … <p>To evaluate the localization of functional deficit area in epileptogenic zones of the brain in seven refractory and seven non-refractory epilepsy dogs using technetium 99m labeled with ethyl cysteinate dimer and interictal single photon emission computed tomography [<sup>99m</sup>Tc-ECD SPECT] co-registration with Magnetic Resonance Imaging (MRI). …

    Journal of Veterinary Medical Science 82(5), 553-558, 2020

    J-STAGE 

  • Nuclear Magnetic Resonance(NMR):~Chemical Structure Analyses and Dynamics~  [in Japanese]

    KUWABARA Kazuhiro

    <p>NMRは化学構造とダイナミクスを解析する強力な手法である。ダイナミクスの解析からは,高分子などの集合体構造や液体・フィルムの物性発現に関する分子運動性の情報が得られる。本稿ではNMRの基本的な手法を解説するとともに,色材への応用例も述べる。応用例としては,高分子と無機粒子(顔料など)の相互作用,高分子と高分子の相互作用(増粘剤など),高分子フィルムの相分離構造とダイナミクス,高分 …

    Journal of the Japan Society of Colour Material 93(4), 121-126, 2020

    J-STAGE 

  • NMR Spectroelectrochemistry in Studies of Dopamine Oxidation

    ZHANG Xiao-Ping , SUN Wei , CAO Shuo-Hui , JIANG Wen-Long , PENG Hao , CAI Shu-Hui , CHEN Zhong

    … Electrochemistry and nuclear magnetic resonance spectroscopy (EC–NMR) was used to investigate electro-catalytic mechanism and evaluate the electro-catalytic capacity. …

    Electrochemistry 88(3), 200-204, 2020

    J-STAGE 

  • Development of an LC-NMR System Using a Diode Array Detector and a Charged Aerosol Detector

    KANBAYASHI Yayoi , TSUTSUMI Yu , MIZUKOSHI Toshimi , YAMAGUCHI Hideyuki

    … <p>Nuclear magnetic resonance (NMR) spectroscopy is a powerful tool for structure determination. …

    BUNSEKI KAGAKU 69(3), 151-155, 2020

    J-STAGE 

  • Extent of Late Gadolinium Enhancement Predicts Thromboembolic Events in Patients With Hypertrophic Cardiomyopathy

    Hohneck Anna , Papavassiliu Theano , Overhoff Daniel , Doesch Christina , Sandberg Raphael , Rudic Boris , Tueluemen Erol , Budjan Johannes , Szabo Kristina , Borggrefe Martin

    … We sought to assess the clinical and cardiovascular magnetic resonance (CMR) characteristics of patients with HCM suffering from thromboembolic events and analyzed the predictors of these unfavorable outcomes.</p><p><b><i>Methods and Results:</i></b>The 115 HCM patients underwent late gadolinium enhanced (LGE) CMR and were included in the study. …

    Circulation Journal 84(5), 754-762, 2020

    J-STAGE 

  • Optically detected magnetic resonance microscopy  [in Japanese]

    IWASAKI Takayuki

    <p>光検出磁気共鳴(ODMR)顕微鏡は,ダイヤモンド中の窒素‐空孔(NV)センタをセンサとして用いる新しい顕微鏡である.室温・大気中で,高感度かつ定量的にナノスケールの空間分解能で磁場,電場,温度などの物理量を計測できる.ナノスケールの検出体積において核磁気共鳴が観測できるなど,これまで見ることができなかった現象の観察が行われている.本稿ではNVセンタの基礎およびODMR顕微鏡の原理 …

    Oyo Buturi 89(4), 196-202, 2020

    J-STAGE 

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