Chi-Kung Ni
E-mail ckni@po.iams.sinica.edu.tw
Office 406
Tel. of office +886-2-2366-8277
Laboratory 320
Tel. of Lab. +886-2-2366-8268
Education
Experience
Research Interests
Honors, Awards, and Recognitions
Selected Publications
Structural Determination of Carbohydrates by Mass Spectrometry
  1. Shang-Ting Tsai, Hock-Seng Nguan and Chi-Kung Ni*. Identification of anomericity and linkage of arabinose and ribose through collision induced dissociation. J. Phys. Chem. A (special issue of125 Years of The Journal of Physical Chemistry, accepted).
  2. Chia Yen Liew, Chu-Chun Yen, Jien-Lian Chen, Shang-Ting Tsai, Sujeet Pawar, Chung-Yi Wu*, Chi-Kung Ni*. Structural identification of N-glycan isomers using logically derived sequence tandem mass spectrometry. Commun. Chem. 4, 92 (2021).
  3. Shih-Pei Huang, Hsu Chen Hsu, Chia Yen Liew, Shang-Ting Tsai, Chi-Kung Ni*. Logically derived sequence tandem mass spectrometry for structural determination of galactose oligosaccharides. Glycoconj. J. 38, 177-189 (2021).
  4. Hock-Seng Nguan, Shang-Ting Tsai, Jien-Lian Chen, Po-Jen Hsu, Jer-Lai Kuo, and Chi-Kung Ni*. Collision-induced dissociation of xylose and its applications in linkage and anomericity identification. Phys. Chem. Chem. Phys. 23, 3485 (2021).
  5. Chi-Kung Ni*, Hsu Chen Hsu, Chia Yen Liew, Shih-Pei Huang, Shang-Ting Tsai. Modern Mass Spectrometry Techniques for Oligosaccharide Structure Determination: Logically derived sequence tandem mass spectrometry for automatic oligosaccharide structural determination in Comprehensive Glycoscience, 2nd edition, edited by Joseph J. Barchi, Jr., Elsevier, Oxford, (2021).
  6. Cheng-chau Chiu, Hai Thi Huynh, Shang-Ting Tsai, Hou-Yu Lin, Po-Jen Hsu, Huu Trong Phan, Arya Karumanthra, Hayden Thompson, Yu-Chi Lee, Jer-Lai Kuo*, Chi-Kung Ni*. Towards closing the gap between hexoses and N-acetlyhexosamines: experimental and computational studies on the collision-induced dissociation of hexosamines. J. Phys. Chem. A 123, 6683-6700 (2019).
  7. Shang-Ting Tsai, Chia Yen Liew, Hsu Chen Hsu, Shih-Pei Huang, Wei-Chien Weng, Yu-Hsiang Kuo, and Chi-Kung Ni*. Automatic Full Glycan Structural Determination through Logically Derived Sequence Tandem Mass Spectrometry. ChemBioChem. 20, 2351-2359 (2019).
  8. Hsu Chen Hsu, Shih-Pei Huang, Chia Yen Liew, Shang-Ting Tsai, and Chi-Kung Ni*, De novo structural determination of mannose oligosaccharides by using a logically derived sequence for tandem mass spectrometry. Anal. Bioanal. Chem. 411, 3241 (2019).
  9. Cheng-chau Chiu, Shang-Ting Tsai, Po-Jen Hsu, Hai Thi Huynh, Jien-Lian Chen, Huu Trong Phan, Shih-Pei Huang, Hou-Yu Lin, Jer-Lai Kuo*, and Chi-Kung Ni*, Unexpected dissociation mechanism of sodiated N-acetylglucosamine and N-acetylgalactosamine. J. Phys. Chem. A 123, 3441 (2019).
  10. Yu-Hsuan Shen, Shang-Ting Tsai, Chia Yen Liew, Chi-Kung Ni*, Mass spectrometry-based identification of carbohydrate anomeric configuration to determine the mechanism of glycoside hydrolases. Carbohydr. Res. 476, 53-59 (2019).
  11. Hai Thi Huynh, Huu Trong Phan, Po-Jen Hsu, Jien-Lian Chen, Hock Seng Nguan, Shang-Ting Tsai, Thantip Roongcharoen, Chia Yen Liew, Chi-Kung Ni* and Jer-Lai Kuo*. Collision-induced dissociation of sodiated glucose, galactose, and mannose, and the identification of anomeric configurations. Phys. Chem. Chem. Phys. 20, 19614 (2018).
  12. Hsu Chen Hsu, Chia Yen Liew, Shih-Pei Huang, Shang-Ting Tsai, Chi-Kung Ni*. Simple Method for De Novo Structural Determination of Underivatised Glucose Oligosaccharides. Sci. Rep. 8, 5562 (2018).
  13. Hsu Chen Hsu, Chia Yen Liew, Shih-Pei Huang, Shang-Ting Tsai, Chi-Kung Ni*. Simple Approach for De Novo Structural Identification of Mannose Trisaccharides. J. Am. Soc. Mass. Spectrom. 29, 470 (2018).
  14. 1Jien-Lian Chen, Hock Seng Nguan, Po-Jen Hsu, Shang-Ting Tsai, Chia Yen Liew, Jer-Lai Kuo, Wei-Ping Hu, and Chi-Kung Ni*. Collision-induced dissociation of sodiated glucose and identification of anomeric configuration. Phys. Chem. Chem. Phys. 19, 15454 (2017).
  15. Shang-Ting Tsai, Jien-Lian Chen, and Chi-Kung Ni*. Does low-energy collision-induced dissociation of lithiated and sodiated carbohydrates always occur at anomeric carbon of reducing end? Rap. Commun. Mass Spectrom. 31, 1835–1844.(2017).
 
MALDI Ionization Mechanisms
  1. Hou-Yu Lin, Yuri A. Dyakov, Yuan Tseh Lee, Chi-Kung Ni*, Temperature dependence of desorbed ions and neutrals and ionization mechanism of matrix-assisted laser desorption/ionization. J. Am. Soc. Mass. Spectrom. (Accepted)
  2. Chuping Lee, Chi-Kung Ni*, Soft matrix–assisted laser desorption/ionization for labile glycoconjugates. J. Am. Soc. Mass. Spectrom. 30,1455-1463 (2019).
  3. Sheng-Ping Liang, I-Chung Lu, Shang-Ting Tsai, Jien-Lian Chen, Yuan Tseh Lee, Chi-Kung Ni*. Laser Pulse Width Dependence and Ionization Mechanism of Matrix-Assisted Laser Desorption/Ionization. J. Am. Soc. Mass. Spectrom. 28, 2235-2245 (2017).
  4. C. Lee, I. C. Lu, H. C. Hsu, H. Y. Lin, S. P. Liang, Y. T. Lee, C. K. Ni*. Formation of Metal-Related Ions in Matrix-Assisted Laser Desorption Ionization. J. Am. Soc. Mass Spectrom. 27, 1491-1498 (2016).
  5. I-Chung Lu, Chuping Lee, Yuan-Tseh Lee, and Chi-Kung Ni*, Ionization Mechanism of Matrix-Assisted Laser Desorption/Ionization. Ann. Rev. Anal. Chem. 8, 21-39 (2015).
  6. I-Chung Lu, Kuan Yu Chu, Chih-Yuan Lin, Shang-Yun, Wu, Yuri A. Dyakov, Jien-Lian Chen, Angus Gray-Weale, Yuan-Tseh Lee, Chi-Kung Ni*, Ion-to-Neutral Ratios and Thermal Proton Transfer in Matrix-Assisted Laser Desorption/Ionization. J. Am. Soc. Mass Spectrom. 26, 1242-1251 (2015).
  7. I-Chung Lu, Chuping Lee, Hui-Yuan Chen, Hou-Yu Lin, Sheng-Wei Hung, Yuri A. Dyakov, Kuo-Tung Hsu, Chih-Yu Liao, Yin-Yu Lee, Chien-Ming Tseng, Yuan-Tseh Lee, and Chi-Kung Ni*, Ion Intensity and Thermal Proton Transfer in Ultraviolet Matrix-Assisted Laser Desorption/Ionization. J. Phys. Chem. B 118, 4132 (2014).
  8. Hou-Yu Lin, Hsu Chen Hsu, I-Chung Lu, Kuo-Tung Hsu, Chih-Yu Liao Yin-Yu Lee, Chien-Ming Tseng, Yuan-Tseh Lee, and Chi-Kung Ni*, Fluorescence spectroscopy of UV-MALDI matrices and implications of ionization mechanisms, J. Chem. Phys. 141, 164307 (2014).
  9. Kuan Yu Chu, Sheng Lee, Ming-Tsang Tsai, I-Chung Lu, Yuri A. Dyakov, Yin Hung Lai, Yuan-Tseh Lee, Chi-Kung Ni*, Thermal Proton Transfer Reactions in Ultraviolet Matrix-Assisted Laser Desorption/Ionization. J. Am. Soc. Mass Spectrom. 25, 310 (2014).
  10. Hou-Yu Lin, Botao Song, I-Chung Lu1 Kuo-Tung Hsu, Chih-Yu Liao, Yin-Yu Lee, Chien-Ming Tseng, Yuan-Tseh Lee, Chi-Kung Ni*, Is energy pooling necessary in ultraviolet matrix-assisted laser desorption/ionization? Rapid Commun. Mass Spectrom. 28, 77 (2014).
  11. Ming-Tsang Tsai, Sheng Lee, I-Chung Lu, Kuan Yu Chu1, Chi-Wei Liang, Chih Hao Lee, Yuan T. Lee, and Chi-Kung Ni*, Ion-to-neutral ratio of 2,5-dihydroxybenzoic acid in matrix-assisted laser desorption/ionization. Rapid Commun. Mass Spectrom. 27, 955 (2013).
 
Energy Transfer of Highly Excited Molecules in Molecular Beams
  1. Hsu Chen Hsu, Ming-Tsang Tsai, Yuri A. Dyakov, and Chi-Kung Ni*, Energy transfer of highly vibrationally excited molecules studied by crossed molecular beam/time-sliced velocity map ion imaging, Int. Rev. Phys. Chem. 31, 201, (2012).
  2. Hsu Chen Hsu, Jia-Jia Lyu, Chen-Lin Liu, Cheng-Liang Huang, and Chi-Kung Ni*, Generation and characterization of highly vibrationally excited molecular beam. J. Chem. Phys. 124, 054301 (2006).
  3. Chen-Lin Liu, Hsu Chen Hsu, Jia-Jia Lyu, and Chi-Kung Ni*, Energy transfer of highly vibrationally excited azulene: collisions between azulene and krypton. J. Chem. Phys. 124, 054302 (2006).
  4.  Chen-Lin Liu, Hsu Chen Hsu, Jia-Jia Lyu, and Chi-Kung Ni*, Supercollisions and energy transfer of highly vibrationally excited molecules. J. Chem. Phys. 123, 131102 (2005).
 
Photodissociation of Organic Molecules in Molecular Beam
  1. Yen-Cheng Lin, Chin Lee, Shih-Huang Lee, Yin-Yu Lee, Yuan T. Lee, Chien-Ming Tseng*, and Chi-Kung Ni*. Excited-state dissociation dynamics of phenol studied by a new time-resolved technique. J. Chem. Phys. 148, 074306 (2018).
  2. Chin Lee, Yen-Cheng Lin, Shih-Huang Lee, Yin-Yu Lee, Chien-Ming Tseng, Yuan-Tseh Lee, and Chi-Kung Ni*. Advantage of spatial map ion imaging in the study of large molecule photodissociation. J. Chem. Phys. 147, 013904 (2017).
  3. Yi Lin Yang, Yu-Chieh Ho, Yuri A. Dyakov, Wen-Hsin Hsu, Chi-Kung Ni*, Yi-Lun Sun, Wan-Chen Tsai and Wei-Ping Hu*, Effects of intramolecular hydrogen bonding on the excited state dynamics of phenol chromophores. Phys. Chem. Chem. Phys. 15, 7182 (2013).
  4. Chi-Kung Ni*, Cheng-Ming Tseng, Ming-Fu Lin, and Yuri Dyakov, Photodissociation dynamics of small aromatic molecules studied by multimass ion imaging. J. Phys. Chem. B 111, 12631 (2007) (invited Feature Article)
  5. Chien-Ming Tseng, Yuri A. Dyakov, Cheng-Liang Huang, Alexander M. Mebel, Sheng Hsien Lin, Yuan T. Lee, and Chi-Kung Ni*, Photoisomerization and photodissociation of aniline and 4-methylpyridine. J. Am. Chem. Soc. 126, 8760 (2004).
  6. Cheng-Liang Huang, Jyh-Chiang Jiang, Alex Mebel, Yuan T. Lee, and Chi-Kung Ni*, Photodissociation dynamics of fluorobenzene. J. Am. Chem. Soc. 125, 9814, (2003).
  7. Chi-Kung Ni* and Yuan T. Lee, Photodissociation of simple aromatic molecules in a Molecular Beam, Int. Rev. Phys. Chem. 23, 187 (2004).
  8. Shang-Ting Tsai, Chih-Kai Lin, Yuan T. Lee and Chi-Kung Ni*, Multimass Ion Imaging Detection: Application to Photodissociation. Rev. Sci. Instrum. 72, 1963, (2001).