"Kien X. Vo,Keisuke Hirata,James M. Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","Infrared Spectra of Beauvericin-Alkaline Earth Metal Ion Complexes„ŸIon Preference to Physiological Ions",,"The Journal of Physical Chemistry A",,"Volume 127","Issue 34","pp. 7115?7120",2023,Aug. "Hikaru Takayanagi,Jean-Xavier Bardaud,Keisuke Hirata,Val?rie Brenner,Eric Gloaguen,Shun-ichi Ishiuchi,Masaaki Fujii","Stepwise hydration of [CH3COOMg]+ studied by cold ion trap infrared spectroscopy: insights into interactions in the magnesium channel selection filters",,"Physical Chemistry Chemical Physics",," 25",,"pp. 23923-23928",2023,Aug. "Keisuke Hirata,Eiko Sato,James M. Lisy,Shun-ichi Ishiuchi,Masaaki Fujii","Ion Recognition beyond Size Matching: Cooperative Hydration Effect on the K+ Selectivity of Valinomycin over Na+ Revealed by Cryogenic Double Ion Trap Infrared Spectroscopy",,"The Journal of Physical Chemistry Letters","American Chemical Society","Volume 14","Issue 24","pp. 5567?5572",2023,June "Han Jun Eun,Shun-ichi Ishiuchi,Il Tae Yoo,Jiyoung Heo,Jae Woo Park,Masaaki Fujii,Nam Joon Kim","Cryogenic Ion Spectroscopy of Protonated and Sodiated Methyladenine Derivatives",,,,"Volume 127","Issue 11","pp. 2472?2480",2023,Mar. "ŽR“c ”‹•½,‘«—§ —됢,Ξ“ΰ rˆκ,˜a“c —T”V","–؍ސ¬•ͺ‚Φ‚ΜƒŒ[ƒU[ΖŽΛ‚Ι‚ζ‚鐢¬•¨‚Μ“Α«•]‰Ώ","‘ζ70‰ρ‰ž—p•¨—Šw‰οt‹GŠwpu‰‰‰ο",,,,,,2023,Mar. "Satoru Tanabe,Keisuke Hirata,Koichi Tsukiyama,James M. Lisy*,Shun-ichi Ishiuchi*,Masaaki Fujii*","Can Ag+ Permeate through a Potassium Ion Channel? A Bottom-Up Approach by Infrared Spectroscopy of the Ag+ Complex with the Partial Peptide of a Selectivity Filter",,"The Journal of Physical Chemistry Letters","American Chemical Society","Vol. 14","No. 11","pp. 2886-2890",2023,Mar.