"Keisuke Hirata,Eiko Sato,James M. Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","Cation-responsive cavity expansion of valinomycin revealed by cryogenic ion trap infrared spectroscopy",,"Physical Chemistry Chemical Physics","The Royal Society of Chemistry","Vol. 25","No. 2","pp. 1075-1080",2022,Dec.
"Kyota Akasaka,Keisuke Hirata,Fuad Haddad,Otto Dopfer,Shun-ichi Ishiuchi,Masaaki Fujii","Hydration-induced protomer switching in p-aminobenzoic acid studied by double ion trap infrared spectroscopy",,"Physical Chemistry Chemical Physics","The Royal Society of Chemistry","Vol. 25","No. 6","pp. 4481-4488",2022,Dec.
"Kien X. Vo,Keisuke Hirata,James M. Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","Na+ selective binding by beauvericin and its mechanism studied by mass-coupled cold ion trap infrared spectroscopy",,"The Journal of Physical Chemistry Letters","American Chemical Society","Vol. 13","No. 48","pp. 11330-11334",2022,Dec.
"Yuika Okura,Keisuke Hirata,Shun-ichi Ishiuchi,築山光一,Masaaki Fujii","プロトン化ニコチン類似体とその水和クラスターの冷却イオントラッ プ・赤外分光",,,,,,,2022,Nov.
"田邊悟,Keisuke Hirata,James Michael Lisy,Shun-ichi Ishiuchi,築山光一,Masaaki Fujii","K+チャネル選択フィルター部分ペプチド(GYG)-Ag+錯体の冷却イオントラップ赤外分光",,,,,,,2022,Nov.
"Jyunichi Tabata,Keisuke Hirata,Masaaki Fujii,Shun-ichi Ishiuchi,Gr?goire Gilles","プロトン付加トリプトファン水和クラスターの冷却イオントラップ分光 -励起状態緩和に対する水和効果とコンフォメーション効果-","第16回分子科学討論会",,,,,,2022,Sept.
"Franco Molina,Jordan Dezalay,Jun-ichi Tabata,Satchin Soorkia,Michel Broquier,Keisuke Hirata,Shun-ichi Ishiuchi,Masaaki Fujii,Gilles Gr?goire","Conformer-selective photodynamics of TrpH+-H2O",,"ChemPhysChem","John Wiley & Sons, Ltd","Vol. 24","No. 2","pp. e202200561",2022,Sept.
"Keisuke Yamaguchi,Keisuke Hirata,Shun-ichi Ishiuchi,Masaaki Fujii","Ultraviolet and infrared spectra of mono-, di- and tri-hydrated clusters of protonated noradrenaline ? Solvation and conformational variations",,"Chemical Physics Letters",,"Vol. 806",,"pp. 140014",2022,Sept.
"Koki Yoshizawa,Keisuke Hirata,Shun-ichi Ishiuchi,Masaaki Fujii,Anne Zehnacker","Do Stereochemical Effects Overcome a Charge-induced Perturbation in Isolated Protonated cyclo(Tyr-Tyr)?",,"The Journal of Physical Chemistry A","American Chemical Society","Vol. 126","No. 37","pp. 6387-6394",2022,Sept.
"Hanae Ko,Keisuke Hirata,Masaaki Fujii,Shun-ichi Ishiuchi","エレクトロスプレー・冷却イオントラップ法による アセチルコリン-受容体部分ペプチド複合体の 気相分光","第16回分子科学討論会",,,,,,2022,Sept.
"Yurika Hayakawa,Keisuke Hirata,Masaaki Fujii,Shun-ichi Ishiuchi","カルシウムイオンチャネル選択フィルター部分ペプチド-金属イオン錯体の冷却イオントラップ赤外分光","第16回分子科学討論会",,,,,,2022,Sept.
"大倉 由楓,Keisuke Hirata,Shun-ichi Ishiuchi,築山 光一,Masaaki Fujii","プロトン化ニコチン類似体の冷却イオントラップ赤外分光","第16回分子科学討論会",,,,,,2022,Sept.
"Keisuke Hirata,Yukina Suzuki,James Michael Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","K+チャネル選択フィルター部分ぺプチドーアルカリ金属錯体の冷却イオントラップ赤外分光ーK+選択性に対する温度効果ー","第16回分子科学討論会",,,,,,2022,Sept.
"Kouki Yosizawa,Keisuke Hirata,Shun-ichi Ishiuchi,Zehnacker-rentien Anne,Masaaki Fujii","LL-及びLD-シクロジチロシンの冷却イオントラップ分光ーキラリティに対するプロトン化の影響ー","第16回分子科学討論会",,,,,,2022,Sept.
"田邊 悟,Keisuke Hirata,James Michael Lisy,Shun-ichi Ishiuchi,築山 光一,Masaaki Fujii","K+チャネル選択フィルター部分ペプチド(GYG)-タリウム錯体の冷却イオントラップ赤外分光","第16回分子科学討論会",,,,,,2022,Sept.
"Kyota Akasaka,佐野 晃,石川 春樹,Keisuke Hirata,Shun-ichi Ishiuchi,Masaaki Fujii","プロトン化ベンゾカインの冷却イオントラップ赤外分光 ―プロトマースイッチングの溶媒依存性―","第16回分子科学討論会",,,,,,2022,Sept.
"Kien Vo,Keisuke Hirata,James Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","Ion Selectivity of Beauvericin and its Mechanism Studied by Mass-coupled Cold Ion Trap Infrared Spectroscopy and Computational Study","第16回分子科学討論会",,,,,,2022,Sept.
"Kiminari O,田邊 悟,Keisuke Hirata,Shun-ichi Ishiuchi,Masaaki Fujii","IR-IR dip２重共鳴分光のためのリフレクトロン型タンデム飛行時間型質量分析器の開発","第16回分子科学討論会",,,,,,2022,Sept.
"Yukina Suzuki,Keisuke Hirata,James M. Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","A bottom-up approach to the ion recognition mechanism of K+ channels from laser spectroscopy of hydrated partial peptide?alkali metal ion complexes",,"Physical Chemistry Chemical Physics","The Royal Society of Chemistry","Vol. 24","No. 35","pp. 20803-20812",2022,Aug.
"Garrett D. Santis,Naoya Takeda,Keisuke Hirata,Kazuya Tsuruta,Shun-ichi Ishiuchi,Sotiris S. Xantheas,Masaaki Fujii","Structure of Gas Phase Monohydrated Nicotine: Implications for Nicotine’s Native Structure in the Acetylcholine Binding Protein",,"Journal of the American Chemical Society","American Chemical Society","Vol. 144","No. 37","pp. 16698-16702",2022,Aug.
"Shun Ito,Yuriko Tasaka,Katsunosuke Nakamura,Yuki Fujiwara,Keisuke Hirata,Kiichirou Koyasu,Tatsuya Tsukuda","Electron Affinities of Ligated Icosahedral M13 Superatoms Revisited by Gas-Phase Anion Photoelectron Spectroscopy",,"The Journal of Physical Chemistry Letters",,"Volume 13","Issue 22","p. 5049",2022,June
"Keisuke Hirata,Shun Ito,Kuenhee Kim,Katsunosuke Nakamura,Hirokazu Kitazawa,Shun Hayashi,Kiichirou Koyasu,Tatsuya Tsukuda","Correction to “Photoinduced Thermionic Emission from [M25(SR)18]− (M = Au, Ag) Revealed by Anion Photoelectron Spectroscopy”",,"The Journal of Physical Chemistry","Americal Chemical Society","Volume 126","Issue 20","p. 8965",2022,May
"Keisuke Hirata,Ken-ichi Kasai,Koki Yoshizawa,Gilles Gr?goire,Shun-ichi Ishiuchi,Masaaki Fujii","Excited state dynamics of protonated dopamine: Hydration and conformation effects",,"Physical Chemistry Chemical Physics","Royal Society of Chemistry","Volume 24","Issue 18","p. 10737",2022,May
"Keisuke Hirata,Fuad Haddad,Otto Dopfer,Shun-ichi Ishiuchi,Masaaki Fujii","Collision-assisted stripping for determination of microsolvation-dependent protonation sites in hydrated clusters by cryogenic ion trap infrared spectroscopy: the case of benzocaineH+(H2O)n",,"Physical Chemistry Chemical Physics","Royal Society of Chemistry","Volume 24","Issue 10","p. 5774",2022,Mar.
"Naoya Takeda,Keisuke Hirata,Kazuya Tsuruta,Garrett D. Santis,Sotiris S. Xantheas,Shun-ichi Ishiuchi,Masaaki Fujii","Gas phase protonated nicotine is a mixture of pyridine- and pyrrolidine-protonated conformers: implications for its native structure in the nicotinic acetylcholine receptor",,"Physical Chemistry Chemical Physics","Americal Chemical Society","Volume 24","Issue 10","p. 5786",2022,Mar.
"Keisuke Hirata","“Probing protonation site switching in hydrated clusters by cryogenic ion spectroscopy: The case of p-aminobenzoic acid derivatives","2nd International Symposium of JSPS Core-to-Core Program on “Molecular Recognition Mechanism between Flexible Molecules”",,,,,,2022,Mar.