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    7341 research outputs found

    NHK Morning Drama ‘The Tiger and Her Wings’

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    書評 / Book Review

    Diol or Hydrogen Peroxide-responsive Micellar Systems and Their Rheological Properties

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    External stimuli-responsive worm-like micelles (WLMs) have the potential for a wide range of applications. In particular, sugar (a polyol compound)-responsive WLMs have the potential for use in smartdrug release systems. Phenylboronic acid (PBA) functions as a cis-diol sensor in a similar manner it does as a glucose sensor. Thus, WLMs, primarily composed of surfactants and PBA, are expected to function as cis-diol-responsive viscoelastic systems. PBA also reacts irreversibly with hydrogen peroxide (H2O2 ) and is converted into phenol and boric acid. H2O2 is one of reactive oxygen species crucial for several physiological processes. Therefore, H2O2 -responsive WLMs have the potential for various applications. In this review, we describe cis-diol- and H2O2 -responsive micellar systems composed of cetyltrimethylammonium bromide and PBA moieties that shift their viscosities in response to stimuli.This is the article by the winner of the WCOS 2022 Excellent Presentation Award, The Japan Oil Chemists’ Society (JOCS). This article is licensed under a Creative Commons [Attribution 4.0 International] license.https://creativecommons.org/licenses/by/4.0

    トクシュウ トショカン ニ オケル ゲーム

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    日本図書館協会図書館雑誌編集委員会

    Construction of metal complex assemblies using DNA-template and the application for functional films

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    本研究では、チミン(T)を導入したサレン型白金(II)錯体や亜鉛(II)錯体の合成を行い、アデニン(A)オリゴマーと複合化させ、A-T相互作用により錯体分子を配列させることに成功した。アデニン5分子からなるオリゴマー(A-5mer)では、構造安定性が低く、集積化できなかった。一方で、A-10merやA-15merでは、錯体分子数に応じた吸収スペクトル変化を示したため、定量的に配列していることが示唆された。すなわち、核酸塩基導入により、分子数を正確に制御した錯体分子集積化に成功した。今後は、資質との複合化により複合薄膜の作成へと展開していく。In this study, we synthesized salen-type platinum(II) and zinc(II) complexes with thymine(T) substituent, and hybridized them with adenine(A) oligomers. We successfully arranged the complex molecules by A-T interaction. Oligomers consisting of five adenine molecules (A-5mer) had low structural stability and could not be formed the interactions. On the other hand, A-10mer and A-15mer showed absorption spectral changes depending on the number of complex molecules, suggesting that they were quantitatively aligned through A-T interactions. In other words, the nucleobase incorporation succeeded in the accumulation of metal complex molecules with a precisely controlled number of molecules. In the future, we will produce the thin films by compositing of the metal complex-DNA assembly with lipids.科学研究費助成事業研究成果報告書 研究種目:若手研究, 研究期間:2022~2023, 課題番号:22K14695 研究分野:錯体化学、無機化学、生物無機化学, 研究者番号:10822554. 9p

    Synthesis of 2,8-Dioxabicyclo[3.3.1]nonane Derivatives and their Neuroprotective Activities

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    Twenty natural-product-like 2,8-dioxabicyclo[3.3.1]nonane derivatives were synthesized and their neuroprotective activities were tested using human monoamine oxidases (MAO) A and B and acetyl and butyryl cholinesterases (ChE). Compound 1s showed inhibitory activity for MAO-A, MAO-B and acetylcholinesterase (AChE) (IC50 values 34.0, 2.3 and 11.0 µM, respectively). The inhibition mode of (−)-1s for MAO-B was investigated. Chiral HPLC of (±)-1s separated the enantiomers and (−)-1s showed MAO-B inhibitory activity. Molecular docking simulation of (−)-1s and MAO-B revealed the binding mode.出版社版は著者名に誤りがあるため著者版を登

    2コウチ 10シュウネン ゴウ

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    キタサカド ニギワイ サロン ツウシン ダイ108ゴウ

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    今年も作品展&即売会を開催します!(4月20日(土)、21日(日)) 書道サークル学生企画イベント「世界でひとつだけのオリジナルグッズを作ろう」を開催しました! 薬学部医療栄養学科コラム(レシピはサロンまで!

    Trial of English education utilizing the environment around the Kioicho Campus - Cultivating “Collaborative Creativity” while engaging with the local community -

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    地域教育実践報告 / Reports 編集:城西大学・城西短期大学地域連携センター紀要編集委員

    クロスロード デ マナブ ワタシ ガ ヤル ベキ サイガイ タイオウ

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    開催:2024年1月30日(火)13:30~15:00(13:00開場) 会場:城西大学水田記念図書館7階ラーニングコモンズ 定員:40名(定員になり次第締め切ります) 受講料:無料(どなたでも参加できます) 演題:第12回地域相互協力図書館合同主催公開講座「クロスロードで学ぶ、私がやるべき災害対応」 講師:城西大学現代政策学部 准教授 飯塚 智規 先生 主催(地域相互協力図書館):毛呂山町立図書館 坂戸市立図書館 鶴ヶ島市立図書館 日高市立図書館 飯能市立図書館 越生町立図書館 城西大学水田記念図書

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