??.z%R ?0?0?0?0 W?? ?? T ?]?S ?0?0?0 ?QHrt^ DOI URL ?SW???e "Basic Fluorescent Protonation-Type pH Probe Sensitive to Small ?pKa of Methanol and Ethanol " "T. Umeno, R. Seto, S. Matsumoto, M. Fujihara, S. Karasawa" "Ana. Chem. " 94 10400-10407 2022 doi.org/10.1021/acs.analchem.2c01415 https://pubs.acs.org/doi/10.1021/acs.analchem.2c01415 ?SW???e "Chelate-free ""turn-on""-type fluorescence detection of trivalent metal ions " "S. Matsumoto, T. Umeno, N. Suzuki, K. Usui, M. Kawahata, S. Karasawa," "Chem. Commun." 58 "12435-12438. " 2022 doi.org/10.1039/D2CC04815A https://pubs.rsc.org/en/content/articlelanding/2022/cc/d2cc04815a ?SW???e "Effect of Alkynyl Group on Reactivity in Photoaffinity Labeling with 2-Thienyl-Substituted ?-Ketoamide " "T. Moriyama, D. Mizukami, M. Yoritate, S. Karasawa, G. Hirai et al. " "Chem Eur. J. " 28 e202103925 2022 doi.org/10.1002/chem.202103925 https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/chem.202103925 ?SW???e "Reversible on/off conformational switching of pentafluorobenzoyl amide triggered by acid vapor and sublimation" "R. Yamasaki, M. Harada, A. Ito, K. Fukuda, S. Matsumoto, S. Karasawa, I. Okamoto," "CrystEngComm " 24 6226-6231. 2022 doi.org/10.1039/D2CE00972B https://pubs.rsc.org/en/content/articlelanding/2022/ce/d2ce00972b ?SW???e "Acid responsiveness of emissive morpholinyl aminoquinolines and their use for cell fluorescence imaging " " Y. Fukumoto, T. Umeno, H. Kuramochi, K. Hamada, S. Matsumoto, N. Suzuki, K. Usui, A. Mizutani, S. Karasawa, " "Org. Biomol. Chem." 20 "4342-435. " 2022 doi.org/10.1039/D2OB00546H https://pubs.rsc.org/en/content/articlelanding/2022/ob/d2ob00546h#! ?SW???e "Oxidation of an Internal-Edge-Substituted [5]Helicene-Derived Phosphine Synchronously Enhances Circularly Polarized Luminescence " " K. Usui, N. Iizuka, S. Matsumoto, T. Umeno, S. Karasawa et al. " "Chem Eur. J. " 28 e202202922. 2022 doi.org/10.1002/chem.202202922 https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.202202922 ?}?? "Development of reversible acid-base detection reagents based on push-pull type aminonaphthyridine and aminoquinoline derivatives " "S. Matsumoto, T. Umeno, K. Usui, S. Karasawa." "Bunseki Kagaku" 71 119-131 2022 https://www.jstage.jst.go.jp/article/bunsekikagaku/71/3/71_119/_article/-char/ja/ ?SW???e "Artificial Host Molecules to Covalently Capture 8-Nitro-cGMP in Neutral Aqueous Solutions and in Cells " "Y. Fuchi, H. Murase, R. Kai, K. Kurata, Satoru Karasawa, and S. Sasaki* " "Bioconjugate Chem. " 32 385 393. 2021 doi.org/10.1021/acs.bioconjchem.1c00012 https://pubs.acs.org/doi/10.1021/acs.bioconjchem.1c00012 ?SW???e "Push Pull Bisnaphthyridylamine Supramolecular Nanoparticles: Polarity Induced Aggregation and Crystallization Induced Emission Enhancement and Fluorescence Resonance Energy Transfer" "R. Hagihara, T. Umeno, S. Ueki, D. Yoshihara, Y. Fuchi, K, Usui, M. Sakuma, and Satoru Karasawa,*" " Chem. Eur. J. " 27 "3039-3046. " 2021 doi.org/10.1002/chem.202003854 https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/chem.202003854 ?SW???e "? Extended Push Pull Type Bicyclic Fluorophores Based on Quinoline and Naphthyridine Frameworks with an Iminophosphorane Fragment" "T. Umeno, K. Usui, Satoru. Karasawa*" "Asian J. Org. Chem. " 10 1123-1130. 2021 doi.org/10.1002/ajoc.202100015 https://onlinelibrary.wiley.com/doi/10.1002/ajoc.202100015 ?SW???e "High-Z2 Crystal Structure of Tricyclic Imidazonaphthyridine Derivatives and the Thermal Profiles of Their Polymorphs" "S. Matsumoto, T. Umeno, K. Usui, and Satoru Karasawa* " "Cryst. Growth. Des. " 21 5251-5260. 2021 doi.org/10.1021/acs.cgd.1c00585 https://pubs.acs.org/doi/10.1021/acs.cgd.1c00585 ?SW???e " A fully synthetic 6-aza-artemisinin bearing an amphiphilic chain generates aggregates and exhibits anti-cancer activities" " H. Koi, N. Takahashi, Y. Fuchi, T. Umeno, Y. Muramatsu, H. Seimiya, Satoru Karasawa*, and H. Oguri* " "Org. Biomol.Chem. " 18 "5339-5343. " 2020 doi.org/10.1039/D0OB00919A https://pubs.rsc.org/en/content/articlelanding/2020/ob/d0ob00919a ?SW???e "Characterization and Water-Proton Longitudinal Relaxivities of Liposome-Type Radical Nanoparticles Prepared via a Supramolecular Approach" "R. Shiraishi, S. Matsumoto, Y. Fuchi, T. Naganuma, D. Yoshihara, K. Usui, K. Yamada, and Satoru Karasawa*" " Langmuir" 36 5280-5286. 2020 doi.org/10.1021/acs.langmuir.0c00610 https://acs.altmetric.com/details/86084501 ?SW???e "Characterization of Push-Pull-Type Benzo[X]quinoline Derivatives (X = g or f): Environmentally Responsive Fluorescent Dyes with Multiple Functions" " Y. Fuchi, T. Umeno, Y. Abe, K. Ikeno, R. Yamasaki, I. Okamoto, K. Usui, and Satoru Karasawa*, " "J. Org. Chem. 2020, 85, 13177-13190" 85 13177-13190 2020 doi.org/10.1021/acs.joc.0c01878 https://pubs.acs.org/doi/10.1021/acs.joc.0c01878 ?SW???e "Development of Turn-On Probes for Acids Triggered by Aromaticity Enhancement Using Tricyclic Amidine Derivatives" "S. Matsumoto, K. Usui, Y. Fuchi, Satoru Karasawa*" "J. Org. Chem. " 84 6612-6622. 2019 doi.org/10.1021/acs.joc.9b00023 https://pubs.acs.org/doi/10.1021/acs.joc.9b00023 ?SW???e "Photophysical Properties of Emissive Pyrido[3,2 c]carbazole Derivatives and Apoptosis Induction: Development towards Theranostic Agents in Response to Light Stimulus " "M. Sakuma, Y. Fuchi, K. Usui, Satoru Karasawa*, " "Chem. Asian. J. " 14 3938-3945. 2019 doi.org/10.1002/asia.201901200 https://onlinelibrary.wiley.com/doi/10.1002/asia.201901200 ?SW???e "Fluorescence Properties and Exciplex Formation of Emissive Naphthyridine Derivatives: Application as Sensors for Amines " "J. Hirota, K. Usui, Y. Fuchi, M. Sakuma, S. Matsumoto, R, Hagihara, Satoru Karasawa,*" "Chem. Eur. J. " 25 14943-14952 2019 doi.org/10.1002/chem.201903643 https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/chem.201903643 ?SW???e "Selective synthesis of substituted amino-quinoline derivatives by C-H activation and fluorescence evaluation of their lipophilicity-responsive properties," " Y. Fuchi,* M. Sakuma, K. Oyama, M. Kono, K. Hamada, A. Mizutani, and Satoru Karasawa*" "Sci. Rep." 9 17723. 2019 https://www.nature.com/articles/s41598-019-53882-z ?SW???e "Internal Edge Substituted Coumarin Fused [6]Helicenes: Asymmetric Synthesis, Structural Features, and Control of Self Assembly" "Kazuteru Usui, Kosuke Yamamoto, Yuhei Ueno, Kazunobu Igawa, Ryusuke Hagihara, Toshinobu Masuda, Akio Ojida, Satoru Karasawa, Katsuhiko Tomooka, Go Hirai, Hiroshi Suemune" "Chem. Eur. J. " 24 "14617  14621." 2018 doi.org/10.1002/chem.201803270 https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/chem.201803270 ?SW???e "Effect of Hydrophobicity on the Self-Assembly Behavior of Urea Benzene Derivatives in Aqueous Solution " "Yuna Okamoto, Kosuke Morishita, Yasufumi Fuchi, Shigeki Kobayashi and Satoru Karasawa" "Applied Sciences" 8 1080 2018 doi.org/10.3390/app8071080 http://www.mdpi.com/2076-3417/8/7/1080 ?SW???e "Water-Proton Relaxivities of Radical Nanoparticles Self-Assembled via Hydration or Dehydration Processes " "Kosuke Morishita, Yuna Okamoto, Shuhei Murayama, Kazuteru Usui, Eriko Ohashi, Go Hirai, Ichio Aoki, and Satoru Karasawa" Langmuir "33 (31)" 7810 7817 2017 "DOI: 10.1021/acs.langmuir.7b01126" http://pubs.acs.org/doi/abs/10.1021/acs.langmuir.7b01126 ?SW???e "Bis-Copper(II)/p-Radical Multi-Heterospin System with Noninnocent Doubly N-Confused Dioxohexaphyrin(1.1.1.1.1.0) Ligand" "Kazuhisa Yamasumi, Keiichi Nishimura, Yutaka Hisamune, Yusuke Nagae, Tomoki Uchiyama, Kazutaka Kamitani, Tomoyasu Hirai, Maiko Nishibori, Shigeki Mori, Satoru Karasawa, Tatsuhisa Kato, Ko Furukawa, Masatoshi Ishida, and Hiroyuki Furuta" "Chem. Eur. J. " 23 15322-15326 2017 "DOI: 10.1002/chem.201704321" https://onlinelibrary.wiley.com/doi/abs/10.1002/chem.201704321 ?SW???e "Doubly N-Confused [36]Octaphyrin(1.1.1.1.1.1.1.1): Isomerization, Bis-Metal Coordination, and Topological Chirality" "Koki Mitsuno, Takafumi Yoshino, Iti Gupta, Shigeki Mori, Satoru Karasawa, Masatoshi Ishida, and Hiroyuki Furuta" "Angew. Chem. Int. Ed. " "in press" 2017 DOI:10.1002/anie.201708253 ?SW???e "7-Hydroxy-3-methyleneisoindolin-1-one as a New ESIPT-Fluorescent Probe to Monitor Aqueous Environments " "Yusuke Kimuro, Kazuteru Usui, Satoru Karasawa, Go Hirai, Mariko Aso" "Chem. Pharm. Bull. " 65 796-880 2017 "DOI: 0.1248/cpb.c17-00306" https://www.jstage.jst.go.jp/article/cpb/65/8/65_c17-00306/_article ?SW???e "Two-step transformation of p-anisolylaminoquinoline derivatives induced by conformation- and packing-dominated processes" "Ryusuke Hagihara, Kazuteru Usui, Satoru Karasawa" "Dyes and Pigments" 143 401-408 2017 10.1016/j.dyepig.2017.04.063 http://dx.doi.org/10.1016/j.dyepig.2017.04.063 ?SW???e "Self-Assembly Behavior of Emissive Urea Benzene Derivatives Enables Heat-Induced Accumulation in Tumor Tissue" "Takeru Araki, Shuhei Murayama, Kazuteru Usui, Takashi Shimada, Ichio Aoki, and Satoru Karasawa" "Nano Lett." 17 2397-2403 2017 10.1021/acs.nanolett.6b05371 http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.6b05371 ?SW???e "One-, Two-, and Three-Dimensional Heterospin Complexes Consisting of 3d Metal Ions, 4-(N-tert-Butyloxylamino)pyridine (4NOpy), and Dicyanamide ion (DCA); Crystal Structures and Magnetic Properties of [M<sup>II</sup>(4NOpy)<sub>x</sub>(DCA)<sub>y</sub>(CH<sub>3</sub>CN)<sub>z</sub>]<sub>n</sub>: M<sup>II</sup> = Mn, Co, Ni, Cu, and Zn" "Hiraku Ogawa, Koya Mori, Kensuke Murashima, Satoru Karasawa, and Noboru Koga" "Inorg. Chem." 55 717-728 2016 10.1021/acs.inorgchem.5b02159 http://pubs.acs.org/doi/abs/10.1021/acs.inorgchem.5b02159 ?SW???e "Rational syntheses of helical p-conjugated oligopyrrins with a bipyrrole linkage: geometry control of bis-copper(II) coordination" "Kai Zhang, Mathew Savage, Xin Li, Yu Jiang, Masatoshi Ishida, Koki Mitsuno, Satoru Karasawa, Tatsuhisa Kato, Weihua Zhu, Sihai Yang, Hiroyuki Furuta and Yongshu Xie " "Chem. Commun." 52 5148-5151 2016 10.1039/c6cc00707d http://pubs.rsc.org/-/content/articlelanding/2016/cc/c6cc00707d#!divAbstract ?SW???e "3- and 4-(&alpha;-diazobenzyl)pyridine-N-oxides as photoresponsive magnetic couplers for 2p?4f heterospin systems: formation of carbene?TbIII and carbene?DyIII single-molecule magnets" "Kensuke. Murashima, Satoru Karasawa, Kenji Yoza, Yuji Inagaki and Noboru Koga" "Dalton Trans." 45 7067-7077 2016 10.1039/C6DT00420B http://pubs.rsc.org/en/Content/ArticleLanding/2016/DT/C6DT00420B#!divAbstract ?SW???e "Regioselective Photocyclizations of Di(quinolinyl)arylamines and Tri(quinolinyl)amine with Emission Color Changes and Photoreaction-induced Self-assemblies" "Satoru Karasawa, Jun-ichi Todo, Kazuteru Usui, Naomi Harada, Kenji Yoza, Hiroshi Suemune and Noboru Koga" "Chem Eur-J (Selected Cover and Hotpaper)" 22 "7771 - 7781" 2016 "10.1002/ chem.201600514" http://onlinelibrary.wiley.com/doi/10.1002/chem.201602086/full ?SW???e "Thermal- and pH-Dependent Size Variable Radical Nanoparticles and Its Water Proton Relaxivity for Metal-Free MRI Functional Contrast Agents" "Kosuke Morishita, Shuhei Murayama, Takeru Araki, Ichi Aoki, Satoru Karasawa" "J. Org. Chem." 81 8351?8362 2016 10.1002/acs.joc.6b01509 http://pubs.acs.org/doi/abs/10.1021/acs.joc.6b01509 ?SW???e "Heterospin Single-Molecule Magnet Behaviors after Irradiation of Polymorphous 2:2 Cyclic Diazo-Cobalt(II) Complexes" "Daisuke Yoshihara, Satoru Karasawa, Noboru Koga" "Inorg Chim. Acta" 478 57?64 2015 10.1016/j.ica.2015.01.025 ?SW???e "Stable &pi;-Radical from a Contracted Doubly N-Confused Hexaphyrin by Bis-Palladium Metallation" "Y. Hisamune, K. Nishimura, K. Isakari, M. Ishida, S. Mori, Satoru. Karasawa, T. Kato, S. Lee, D. Kim, and H. Furuta" "Angew. Chem., Int. Ed. Engl" 54 7323-7327 2015 10.1002/anie.201502285 ?SW???e "Crystalline transformations of dinaphthyridinylamine derivatives with alteration of solid-state emission in response to external stimul" "Ryusuke Hagihara, Naomi Harada, Satoru Karasawa, Noboru Koga" "CrystEngComm(Selected Cover art)" 15 8825-8834 2015 "10.1039/C5CE01126D. " ?SW???e " Diazopyridine-Ni(II) Complexes Exhibiting Intra-Chain Ferromagnetic Interaction After Irradiation: Formation of Magnetic Gel" "Koya Mori, Rumi Eguchi, Satoru Karasawa, Noboru Koga," "Inorg. Chem. Front" 2 917-926 2015 10.1039/C5QI00109A ?SW???e "Determination of the absolute configuration of the novel anti-trypanosomal iridoid molucidin isolated from Morinda lucida by X-ray analysis" "Satoru Karasawa, Kenji Yoza, Nguyen Huu Tung, Takuhiro Uto, Shoji Yamaoka, Nobuo Ohta, Yukihiro Shoyama, Y27 T" "Tetrahedron Lett" 56 7158-7160 2015 10.1016/j.tetlet.2015.11.031 ?SW???e "Effects of Substituents on the Properties of Metal-Free MRI Contrast Agents" "R. Shiraishi, T. Kaneko, K. Usui, T. Naganuma, N. Iizuka, K. Morishita, S. Kobayashi, Y. Fuchi, R. Matsuoka, K. Yamada, Satoru Karasawa* " "ACS Omega " 4 2019 " 20715-20713" doi.org/10.1021/acsomega.9b03003 https://pubs.acs.org/doi/10.1021/acsomega.9b03003