• Carry out batch adsorption experiments to evaluate the effect of organic compounds.• Analyze the concentrations of arsenic, ferric, lead, phosphate, and organic compound by ICP-OES, GTA and LC-MS in water samples.• Determine the interactions of arsenic with the humic substances, amino acids and ferric hydroxides.• Prepare bimonthly reports and the final project report.• Prepare manuscripts for publication in peer-reviewed journals.• Develop LC-MS method for researcher in analyzing urine samples of prostate cancer patients at different levels.

Instructructed students in learning a variety of analytical tehcniques, such as IR, UV, AAS,Fluorescence Spectroscopy, Polarimetry, GC, LC, GC-MS, LC-MS, EI-MS, ESI-MS, NMR and ISE's.Developed a special method in determining the unsaturation in corn oil, vegetable oil and olive oil.Modified and implemented the method of quantify ethanol in alcoholic beverage by headspace GC technique.Repaired and mainted different instruments including GC, LC, GC-MS, LC-MS, MS, ratorvapors and so on.Instructed students in conducting organic synthesis experiments such as Grignard reaction, Cannizarro reaction, aldo reactions, amide synthesis, esterification, transesterification and so on for the class.Instructed students to present their topics in precise and professional way.

Collaborated with researchers in UC-Berkeley, University of Arizona and University of Penn State for determining the biosynthetic pathways of defensive secretion in several ground beetle species.Developed a method on GC-MS for characterizing the structures of alkypyrazines from a variety of mandibular glands of ants samples.Utilized tandem mass spectrometry and H/D exchange method to characterize the protonation sites and fragmentation patterns of aromatic acids, esters and so on.Helped undergraduate students to learn how to properly use ESI/HePI-MS and GC-MS instruments.Synthesized various types of aromatic esters, amides, nitrile compounds and for MS analysis.Synthesized deuterium or 18O labelled compounds for mass spectrometric investigation of its gas phase properties.

• Collaborate with engineers in Waters company to develop HePI source for QDa instrument.• Investigating the isomerization of resveratrol and other molecules by UPLC-IMS-MS technique on Synapt-G2.• Using GC-MS and ESI/MALDI-MS to collaborate with researchers in UC-Berkeley, University of Arizonaand University of Penn State for investigating the biosynthetic pathways of defensive secretion of groundbeetle species.