Publication
2024.
42. Yoo, I. T.; Jeong, J.; Eun, H. J.; Yun, J.; Heo, J.*; Kim, N. J.*, Conformation-Selective Ultraviolet Hole Burning Spectra of Ubiquitin Ions in a Cryogenic Ion Trap. J. Phys. Chem. Lett. 2024, 15, 29, 7398-7402.
2023.
41. Eun, H. J.; Ishiuchi, S. I.; Yoo, I. T.; Heo, J.; Park, J. W.*; Fujii, M.*; Kim, N. J.*, Cryogenic Ion Spectroscopy of Protonated and Sodiated Methyladenine Derivatives. J. Phys. Chem. A, 2023, 127, 11, 2472-2480.
2022.
40. Jeong, C.; Eun, H. J.; Yun, J.; Kim, N. J.* , Dual-Beam Circular Dichroism Spectroscopy of Jet-Cooled Chiral Molecules. J. Phys. Chem. A, 2022, 126, 26, 4295-4299.
39. Jeong, C.; Mishra, K.; Yun, J.; Kim, N. J.*, Polarization Dependence of the Resonant Two-Photon Ionization Spectra of Jet-Cooled (1R,2R)-(−)-pseudoephedrine. Bull. Korean Chem. Soc. 2022, 43, 369-375.
2021.
38. Yoo, I. T.; Eun, H. J.; Min, A.; Jeon, C. W.; Jeong, J.; Heo, J.*; Kim, N. J.*, Ultraviolet photodissociation circular dichroism spectroscopy of protonated L-phenylalanyl-L-alanine in a cryogenic ion trap, Phys. Chem. Chem. Phys. 2021, 23, 24180-24186.
37. Eun, H. J.; Ishiuchi, S. I.; Baek, J. Y.; Lee, S.; Heo, J.*; Fujii, M.*; Kim, N. J.*, Cryogenic ion spectroscopy of adenine complexes containing alkali metal cations. Phys. Chem. Chem. Phys. 2021, 23, 6783-6790.
2020.
36. Eun, H. J.; Min, A.; Jeon, C. W.; Yoo, I. T.; Heo, J.*; Kim, N. J.*, Chiral and Isomeric Discrimination of Chiral Molecular Ions by Cold Ion Circular Dichroism Spectroscopy. J. Phys. Chem. Lett. 2020, 11, 11, 4367-4371.
2019.
35. Hong, A.; Min, A.; Jang, H; Moon, C. J.; Jeong, C.; Choi. M. Y.; Heo, J.*; Kim, N. J.*, Induced Circular Dichroism of Jet-Cooled Phenol Complexes with (R)-(-)-2-Butanol. J. Phys. Chem. A, 2019, 123, 8913-8920.
2018.
34. Hong, A.; Moon, C. J.; Jang, H.; Min, A.; Choi, M. Y.; Heo, J.*; Kim, N. J.*, Isomer-Specific Induced Circular Dichroism Spectroscopy of Jet-Cooled Phenol Complexes with (−)-Methyl l-Lactate. J. Phys. Chem. Lett. 2018, 9, 3, 476-480.
33. Jang, H.; Kim, N. J.; Heo, J., Benchmarking study on time-dependent density functional theory calculations of electronic circular dichroism for gas-phase molecules. Computational and Theoretical Chemistry, 2018, 1125, 63-68.
2017.
32. Kim, D.; Yang, K. Y.; Kim, H. M.; Kim, T.-R.; Kim, N. J.; Shin, S.; Kim, S. K.*, Site-dependent effects of methylation on the electronic spectra of jet-cooled methylated xanthine compounds. Phys. Chem. Chem. Phys. 2017, 19, 22375.
2016.
31. Hong, A.; Jang, H.; Jeong, C.; Choi, M. C.; Heo, J.*; Kim, N. J.*, Electronic Circular Dichroism Spectroscopy of Jet-Cooled Phenylalanine and Its Hydrated Clusters. J. Phys. Chem. Lett. 2016, 7, 21, 4385-4390.
30. Hong, A.; Jeong, C.; Jang, H.; Choi, M. C.; Heo, J.*; Kim, N. J.*, Fluorescence-detected circular dichroism spectroscopy of jet-cooled ephedrine. Phys. Chem. Chem. Phys. 2016, 18, 11, 7762-7767.
2015.
29. Baek, J. Y.; Choi, C. M.; Eun, H. J.; Park, K. S.; Choi, M. C.; Heo, J.*; Kim, N. J.*, Ultraviolet photodissociation spectroscopy of cold, isolated adenine complexes with a potassium cation. Chem. Phys. Lett. 2015, 635, 163-167.
2014.
28. Choi, C. M.; Baek, J. Y.; Park, K. S.; Heo, J.*; Kim, N. J.*, Conformation-specific ultraviolet spectroscopy of benzo-18-crown-6 complexes with a potassium cation. Chem. Phys. Lett. 2014, 593, 150-153.
27. Hong, A.; Choi, C. M.; Eun, H. J.; Jeong, C.; Heo, J.*; Kim, N. J.*, Conformation‐Specific Circular Dichroism Spectroscopy of Cold, Isolated Chiral Molecules. Angew. Chem. 2014, 126, 30, 7939-7942.
2013.
26. Choi, C. M.; Heo, J.; Choi, M. C.; Kim, N. J.*, Ejection process of photofragment ions from a quadrupole ion trap. Int. J. Mass Spectrom. 2013, 337, 12-17.
2012.
25. Choi, C. M.; Choi, D. H.; Heo, J.; Kim, N. J.; Kim, S. K., Ultraviolet–Ultraviolet Hole Burning Spectroscopy in a Quadrupole Ion Trap: Dibenzo [18] crown‐6 Complexes with Alkali Metal Cations. Angew. Chem. Int. Ed. 2012, 51, 7297-7300.
24. Choi, C. M.; Choi, D. H.; Kim, N. J.*; Heo, J.*, Effective temperature of protonated tyrosine ions in a cold quadrupole ion trap. Int. J. Mass Spectrom. 2012, 314, 18-21.
23. Choi, C. M.; Heo, J.*; Kim, N. J.*, Binding selectivity of dibenzo-18-crown-6 for alkali metal cations in aqueous solution: A density functional theory study using a continuum solvation model. Chemistry Central Journal, 2012, 6, 84.
2011.
22. Choi, Y. H.; Choi, C. M.; Choi, D. H.; Paik, Y.; Park, B. J.; Joo, Y. K.; Kim, N. J.*, Time dependent solid-state 13C NMR study on alkaline hydrolysis of polyacrylonitrile hollow fiber ultrafiltration membranes. Journal of membrane science, 2011, 371, 84-89.
2010.
21. Choi, C. M.; Heo, J.; Park, C. J.; Kim, N. J.*, Theoretical calculations for mass resolution of a quadrupole ion trap reflectron time‐of‐flight mass spectrometer. Rapid Communications in Mass Spectrometry: An International Journal Devoted to the Rapid Dissemination of Up‐to‐the‐Minute Research in Mass Spectrometry 2010, 24 (4), 422-428.
20. Choi, C. M.; Lee, J. H.; Choi, Y. H.; Kim, H. J.; Kim, N. J.*; Heo, J.*, Ultraviolet photodepletion spectroscopy of dibenzo-18-crown-6-ether complexes with alkaline earth metal divalent cations. J. Phys. Chem. A, 2010, 114 , 42, 11167-11174.
2009.
19. Kwon, J. S.; Choi, C. M.; Kim, H. J.; Kim, N. J.*; Jang, J.*; Yang, M.*, Combined Theoretical Modeling of Photoexcitation Spectrum of an Isolated Protonated Tyrosine. J. Phys. Chem. A, 2009, 113, 2715-2723.
18. Choi, C. M.; Kim, H. J.; Lee, J. H.; Shin, W. J.; Yoon, T. O.; Kim, N. J.*, Heo, J.*, Ultraviolet Photodepletion Spectroscopy of Dibenzo-18-Crown-6-Ether Complexes with Alkali Metal Cations. J. Phys. Chem. A. 2009, 113, 8343-8350.
2008.
17. Kim, H. J.; Shin, W. J.; Choi, C. M.; Lee, J. H.; Kim, N. J.*, Electronic Photodepletion Spectroscopy of Dibenzo-18-crown-6 with a Potassium Ion. Bull. Korean Chem. Soc., 2008, 29, 1973-1976.
2007.
16. Choi, C. M.; Kwon, J. S.; Kim, H. J.; Yoon, T. O.; Yang, M.; Kim, N. J.*, Electronic Spectroscopy of Protonated Tyr-Ala Dipeptide Ions. J. Korean Chem. Soc., 2008, 51, 318-323.
15. Yoon, T. O.; Choi, C. M.; Kim, H. J.; Kim, N. J.*, Photo-Induced Dissociation of Protonated Peptide Ions in a Quadrupole Ion Trap Time-of-Flight Mass Spectrometer. Bull. Kor. Chem. Soc. 2007, 28, 4, 619-623.
14. Kim, N. J.; Kim, H. M.; Kim, S. K., Ionization induced Ionization-induced proton transfer in thymine-ammonia van der Waals clusters. Int. J. Mass Spectrom. 2007, 261, 32-37.
2006.
13. Paik, D. H.; Baskin, J. S.; Kim, N. J.; Zewail, A. H., Ultrafast vectorial and scalar dynamics of ionic clusters: Azobenzene solvated by oxygen. J. Chem. Phys. 2006, 125, 133408.
12. Kim, N. J., DFT study of Water-Assisted Intramolecular Proton transfer in the Tautomers of Thymine Radical Cation. Bull. Kor. Chem. Soc. 2006, 27, 1009-1014.
2005.
11. Cho, S. H.; Huh, H.; Kim, H. M.; Kim, C. I.; Kim, N. J.; Kim, S. K., Laser induced fluorescence and resonant two-photon ionization spectroscopy of jet-cooled 1-hydroxy-9,10-anthraquinone. J. Chem. Phys. 2005, 122, 034304.
10. Cho, S. H.; Huh, H.; Kim, H. M.; Kim, N. J.; Kim, S. K., IR-visible and visible-visible double resonance spectroscopy of 1-hydroxy-9,10-anthraquinone-(H2O)n (n=1,2) complexes. J. Chem. Phys. 2005, 122, 034305.
2004.
9. Kim, N. J.; Kang, H.; Park, Y. D.; Kim, S. K., Dispersed fluorescence spectroscopy of jet-cooled adenine. Phys. Chem. Chem. Phys. 2004, 6, 2802-2805.
2003.
8. Daniel H. Paik,; Kim, N. J.; Ahmed H. Zewail,, Femtosecond dynamics of solvated oxygen anions. I. Bifurcated electron transfer dynamics probed by photoelectron spectroscopy. J. Chem. Phys. 2003, 118, 6923.
7. Kim, N. J.; Daniel H. Paik,; and Ahmed H. Zewail, Femtosecond dynamics of solvated oxygen anions. II. Nature of dissociation and caging in finite-sized clusters. J. Chem. Phys. 2003, 118, 6930.
2002.
6. Kim, N. J.; Kim, Y. S.; Jeong, G.; Ahn, T. K.; Kim, S. K., Hydration of DNA Base Cations in the Gas Phase. Int. J. Mass Spectrom. 2002, 219, 11-21.
5. Daniel H. Paik,; Thorsten M. Bernhardt,; Kim, N. J.; Ahmed H. Zewail, Femtochemistry of mass-selected negative-ion clusters of dioxygen. J. Chem. Phys. 2002, 115, 612-616.
2001.
4. Kim, N. J.; Kang, H.; Jeong, G.; Kim, Y. S.; Lee, K. T.; Kim, S. K., Intracluster Photodimerization of Thymine: Size-dependent Modes of Cluster Ion Fragmentation. J. Chem. Phys. 2001, 115, 7001.
3. Lee, Y. J.; Cho, S.H.; Kim, N. J.; Kim, S. K., Anisotropy Quantum Beat in Two-Photon Ionization of Coherently Excited Hyperfine States of Na. J. Chem. Phys. 2001, 115, 739.
2. Kim, N. J.; Kang, H.; Jeong, G.; Kim, Y. S.; Lee, K. T.; Kim, S. K., Even-odd Alternation in Mass Spectrum of Thymine and Uracil Clusters: Evidence of Intracluster Photodimerization. Proc. Nat. Acad. Sci. (U.S.A.) 2001, 98, 4841-4843.
2000.
1. Kim, N. J.; Jeong, G.; Kim, Y. S.; Sung, J.; Kim, S. K.; Park, Y. D., Resonant Two-Photon Ionization and Laser Induced Fluorescence Spectroscopy of Jet-Cooled adenine. J. Chem. Phys. 2000, 113, 10051.