"Yukina Suzuki,Keisuke Hirata,James M. Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","Double Ion Trap Laser Spectroscopy of Alkali Metal Ion Complexes with a Partial Peptide of the Selectivity Filter in K+ Channels─Temperature Effect and Barrier for Conformational Conversions",,"The Journal of Physical Chemistry A","Americal Chemical Society","Volume 125","Issue 44","p. 9567",2021,Dec.
"Keisuke Hirata,Eiko Sato,Shun-ichi Ishiuchi,Masaaki Fujii","Vibrational spectroscopy of hydrated clusters of valinomycin-metal complexes: Watching single water hydration","Pacifichem 2021",,,,,,2021,Dec.
"Keisuke Hirata,Ken-ichi Kasai,Gilles Gr?goire,Shun-ichi Ishiuchi,Masaaki Fujii","Hydration-controlled excited-state relaxation in protonated dopamine studied by cryogenic ion spectroscopy",,"The Journal of Chemical Physics","American Institute of Physics","Volume 155","Issue 15","p. 151101",2021,Oct.
"Hikaru Takayanagi,Keisuke Hirata,Shun-ichi Ishiuchi,Masaaki Fujii","カルボン酸-マグネシウムは何個の水分子で電離するか？ ?水和クラスターの冷却イオントラップ赤外分光?","第15回分子科学討論会",,,,,,2021,Sept.
"Kouki Yosizawa,Keisuke Hirata,Shun-ichi Ishiuchi,Anne Zehnacker-Rentien,Masaaki Fujii","LL及びLDシクロジチロシンの冷却イオントラップ赤外分光 ―プロトン・アルカリ金属イオン付加と光学異性―",,,,,,,2021,Sept.
"Yukina Suzuki,Keisuke Hirata,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-アルカリ金属イオン錯体水和クラスターの冷却イオントラップ分光 ーイオン選択性に対する水和効果ー","第15回分子科学討論会",,,,,,2021,Sept.
"Naoya Takeda,Keisuke Hirata,Shun-ichi Ishiuchi,Sotiris Xantheas,Masaaki Fujii","プロトン付加ニコチン水和クラスターのエレクトロスプレー・冷却イオントラップ分光 −プロトン移動と同位体効果−","第15回分子科学討論会",,,,,,2021,Sept.
"Naoya Takeda,Keisuke Hirata,Shun-ichi Ishiuchi,Sotiris Xantheas,Masaaki Fujii","K?チャネル選択フィルター部分ペプチド(GYG)-金属錯体の冷却イオントラップ赤外分光 −Ag?錯体の特異性−","第15回分子科学討論会",,,,,,2021,Sept.
"Hiroya Oko,Shiyunsaku Hanaichi,Keisuke Hirata,Shun-ichi Ishiuchi,Masaaki Fujii","アドレナリン受容体部分ペプチドーリガンド複合体の冷却イオン分光 ?分子認識のアミノ酸配列依存性?","第15回分子科学討論会",,,,,,2021,Sept.
"千葉大雅,Ryuki Sumida,Keisuke Hirata,Shun-ichi Ishiuchi,Michito Yoshizawa,築山光一,Masaaki Fujii","分子認識する芳香環カプセルの冷却イオン赤外分光 ー性ホルモン識別メカニズムー","第15回分子科学討論会",,,,,,2021,Sept.
"Kien?Vo,Keisuke?Hirata,James?Lisy,Shun-ichi?Ishiuchi,Masaaki?Fujii","Cold ion trap infrared spectroscopy of Beauvericin metal complexes - Ionic radius dependence of conformations","第15回分子科学討論会",,,,,,2021,Sept.
"Keisuke Hirata,Haddad?Fuad,Otto Dopfer,Shun-ichi Ishiuchi,Masaaki Fujii","プロトン化ベンゾカイン水和クラスターの冷却イオントラップ赤外分光ー水和による分子内プロトン移動ー","第15回分子科学討論会",,,,,,2021,Sept.
"Kyota Akasaka,Haddad Fuad,Otto Dopfer,佐野晃,石川春樹,Keisuke Hirata,Shun-ichi Ishiuchi,Masaaki Fujii","プロトン化p-アミノ安息香酸水和クラスターの冷却イオントラップ赤外分光 ―水和によるプロトマースイッチングー","第15回分子科学討論会",,,,,,2021,Sept.
"Keisuke Hirata","冷却イオントラップ赤外分光法による分子内プロトン移動反応の分子論的理解","日本分光学会 先端レーザー分光部会 第15回 若手研究者による先端的レーザー分光シンポジウム",,,,,,2021,July
"Takumi Negoro,Keisuke Hirata,James M. Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","Potassium and Sodium Ions Complexes with a Partial Peptide of the Selectivity Filter in K+ Channels Studied by Cold Ion Trap Infrared Spectroscopy: Effect of Hydration",,"Phys. Chem. Chem. Phys.",,"Vol. 23","Issue 21","pp. 12045-12050",2021,June
"Eiko Sato,Keisuke Hirata,James M. Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","Rethinking Ion Transport by Ionophores: Experimental and Computational Investigation of Single Water Hydration in Valinomycin-K+ Complexes",,"J. Phys. Chem. Lett.",,"Vol. 12","No. 6","pp. 1754-1758",2021,Feb.