Contact image

postdoctoral scholar

UC Davis Genome Center - Metabolomics
GBSF building room 1300
451 East Health Science Drive




This email address is being protected from spambots. You need JavaScript enabled to view it.

Research interests:

  • The development of new LC-MS methods for the determination of endogenous bioactive analytes (phytohormones, biomarkers, etc.) in minimized biological samples (plant tissue, biofluids, etc.).
  • The development of LC-MS methods for metabolomics applications.
  • Design and synthesis of functional magnetic nanoparticles for the enrichment of compounds from environmental samples.
  • The application of MALDI MS for the quantification of bioactive small molecules in biological samples.


  • 09/2009 - 06/2014: Ph.D. in Analytical Chemistry, Wuhan University, China
  • 09/2005 - 06/2009: B.S. in Chemical Engineering and Technology, Sun Yat-sen University, China


[1] J. Ding, H.M. Xiao, S.M. Liu, C. Wang, X. Liu, Y.Q. Feng, A matrix-assisted laser desorption/ionization mass spectroscopy method for the analysis of small molecules by integrating chemical labeling with the supramolecular chemistry of cucurbituril, Analytica Chimica Acta, 1026 (2018) 77-86.

[2] J. Ding, S.M. Liu, H.M. Xiao, T.T. Ye, P. Zhou, Y.Q. Feng, Matrix-assisted laser desorption/ionization mass spectrometry for the analysis of polyamines in plant micro-tissues using cucurbituril as a host molecule, Analytica Chimica Acta, 987 (2017) 56-63.

[3] J. Ding, X.-T. Luo, Y.-R. Yao, H.-M. Xiao, M.-Q. Guo, Determination of Endocannabinoids in Biofluids: Investigation of the Feasibility of Endocannabinoids as the Biomarker of Female Infertility, Journal of Chromatography A, 1509 (2017) 16-25.

[4] D. Chen1, J. Ding1, M.-K. Wu, T.-Y. Zhang, C.-B. Qi, Y.-Q. Feng, A liquid chromatography-mass spectrometry method based on post column derivatization for automated analysis of urinary hexanal and heptanal, Journal of Chromatography A, 1493 (2017) 57-63.

[5] P. Wu, H.-M. Xiao, J. Ding*, Q.-Y. Deng, F. Zheng, Y.-Q. Feng*, Development of C60-Based Labeling Reagents for the Determination of Low-Molecular-Weight Compounds by Matrix Assisted Laser Desorption Ionization Mass (I): Determination of Amino Acids in Microliter Biofluids, Analytica Chimica Acta, (2017).

[6] L. Yu, J. Ding*, Y.-L. Wang, P. Liu, Y.-Q*. Feng, 4-Phenylaminomethyl-Benzeneboric Acid Modified Tip Extraction for Determination of Brassinosteroids in Plant Tissues by Stable Isotope Labeling-Liquid Chromatography-Mass Spectrometry, Analytical Chemistry, 88 (2016) 1286-1293.

[7] X.-M. He, J. Ding*, L. Yu, D. Hussain, Y.-Q. Feng*, Black phosphorus-assisted laser desorption ionization mass spectrometry for the determination of low-molecular-weight compounds in biofluids, Analytical and Bioanalytical Chemistry, 408 (2016) 6223-6233.

[8] J. Ding, L.-J. Mao, N. Guo, L. Yu, Y.-Q. Feng, Determination of endogenous brassinosteroids using sequential magnetic solid phase extraction followed by in situ derivatization/desorption method coupled with liquid chromatography-tandem mass spectrometry, Journal of Chromatography A, 1446 (2016) 103-113.

[9] J. Ding, J.-H. Wu, J.-F. Liu, B.-F. Yuan, Y.-Q. Feng, Improved methodology for assaying brassinosteroids in plant tissues using magnetic hydrophilic material for both extraction and derivatization, Plant Methods, 10 (2014).

[10] J. Ding, L.-J. Mao, B.-F. Yuan, Y.-Q. Feng, A selective pretreatment method for determination of endogenous active brassinosteroids in plant tissues: double layered solid phase extraction combined with boronate affinity polymer monolith microextraction, Plant Methods, 9 (2013).

[11] J. Ding, L.-J. Mao, S.-T. Wang, B.-F. Yuan, Y.-Q. Feng, Determination of Endogenous Brassinosteroids in Plant Tissues Using Solid-phase Extraction with Double Layered Cartridge Followed by High-performance Liquid Chromatography-Tandem Mass Spectrometry, Phytochemical Analysis, 24 (2013) 386-394.

[12] J. Ding, Q. Gao, X.-S. Li, W. Huang, Z.-G. Shi, Y.-Q. Feng, Magnetic solid-phase extraction based on magnetic carbon nanotube for the determination of estrogens in milk, Journal of Separation Science, 34 (2011) 2498-2504.

[13] J. Ding, Q. Gao, D. Luo, Z.-G. Shi, Y.-Q. Feng, n-Octadecylphosphonic acid grafted mesoporous magnetic nanoparticle: Preparation, characterization, and application in magnetic solid-phase extraction, Journal of Chromatography A, 1217 (2010) 7351-7358.