个人简介

Ph.D., Tsinghua University; Postdoc, Chinese Academy of Sciences, and Lawrence Berkeley National Lab Res. Associate, University of Utah B.S. and B.E., Tsinghua University, 1992 Ph.D., Tsinghua University, 1997 Postdoc., Chinese Academy of Sciences, and Lawrence Berkeley National Lab Res. Associate, University of Utah

研究领域

Physical and Analytical Chemistry

The Liu research group focuses on using mass spectrometry and ion-molecule reaction techniques to probe biologically relevant processes in a spectrum of systems ranging from isolated biomolecules and biomolecular ions, through micelles and aerosol droplets of biomolecules, to biomolecule solution. They are also interested in discovering and developing new analytical approaches.  In addition, the group has related interests in computational chemistry (e.g. quasi-classical direct dynamics trajectory simulations) and nano-materials.

近期论文

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Fangwei Liu(a), Wenchao Lu(a), Yigang Fang(a), and J. Liu*, "Evolution of oxidation dynamics of histidine: Non-reactivity in the gas phase, peroxides in hydrated clusters, and pH dependence in solution", Phys. Chem. Chem. Phys. 2014, 16, 22179-22191. PDF J. Liu*, Steven D. Chambreau, and Ghanshyam L. Vaghjiani, "Dynamics simulations and statistical modeling of thermal decomposition of 1-ethyl-3-methylimidazolium dicyanamide and 1-ethyl-2,3-dimethylimidazolium dicyanamide", J. Phys. Chem. A., 2014, 118, 11133-11144. PDF (back-to-back published with an experimental paper by Steven D. Chambreau, Adam C. Schenk, Anna J. Sheppard, Gregory R. Yandek, Ghanshyam L. Vaghjiani, John Maciejewski, Christine J. Koh, Amir Golan, and Stephen R. Leone, "Thermal decomposition mechanisms of alkylimidazolium ionic liquids with cyano-functionalized anions", J. Phys. Chem. A, 2014, 118, 11119-11132) Wenchao Lu(a), Fangwei Liu(a), Rifat Emre(b), and J. Liu*, "Collision dynamics of protonated N-acetyl methionine with singlet molecular oxygen (a1Dg): The influence of amide bond and ruling out the complex-mediated mechanism at low energies", J. Phys. Chem. B, 2014, 118, 3844-3852. PDF Rui Sun, Matthew R. Siebert, Lai Xu, Steven D. Chambreau*, Ghanshyan L. Vaghjiani, Hans Lischka, Jianbo Liu*, and William L. Hase*, "Direct dynamics simulation of the activation and dissociation of 1,5-dinitrobiuret (HDNB)", J. Phys. Chem. A, 2014, 118,2228-2236. PDF Fangwei Liu(a), Rifat Emre(b), Wenchao Lu(a), and J. Liu*, "Oxidation of gas-phase hydrated protonated/deprotonated cysteine: How many water ligands are sufficient to approach solution-phase photooxidation chemistry?", Phys. Chem. Chem. Phys., 2013, 15, 20496 - 20509. PDF Yigang Fang(a), Fangwei Liu(a), Rifat Emre(b), and J. Liu*, "Guided-ion-beam scattering and direct dynamics trajectory study on the reaction of deprotonated cysteine with singlet molecular oxygen", J. Phys. Chem. B, 2013, 117, 2878-2887. PDF Yigang Fang(a), Fangwei Liu(a), and J. Liu*, "Mass spectrometry study of negatively multiply charged, gas-phase NaAOT micelles: How does charge state affect micellar structure and encapsulation?", J. Am. Soc. Mass. Spectrom, 2013, 24, 9-20. PDF Fangwei Liu(a), Yigang Fang(a), Yun Chen(b), and J. Liu*,"Reactions of deprotonated tyrosine and tryptophan with electronically excited singlet molecular oxygen (a1Dg): A guided-ion-beam scattering, statistical modeling and trajectory study", J. Phys. Chem. B, 2012, 116, 6369-6379. PDF Fangwei Liu(a), Yigang Fang(a), Yun Chen(b), and J. Liu*,"Dissociative excitation energy transfer in the reactions of protonated cysteine and tryptophan with electronically excited singlet molecular oxygen (a1Dg)", J. Phys. Chem. B, 2011, 115, 9898-9909. PDF J. Liu*, Steven Chambreau, and Ghanshyam L. Vaghjiani, "Thermal decomposition of 1,5-dinitrobiuret (DNB): Direct dynamics trajectory simulations and statistical modeling", J. Phys. Chem. A, 2011, 115, 8064-8072. PDF Yigang Fang(a) , Fangwei Liu(a), Andrew D. Bennett(c), Shamin Ara(b), and J. Liu*, "Experimental and trajectory study on reaction of protonated methionine with electronically excited singlet molecular oxygen (a1Dg): Reaction dynamics and collision energy effects", J. Phys. Chem. B. 2011, 115, 2671-2682. PDF Y. Fang(a) , A. D. Bennett(c), and J. Liu*, "Selective transport of amino acids into the gas phase: Driving forces for amino acid solubilization in gas-phase reverse micelles", Phys. Chem. Chem. Phys. 2011, 13, 1466-1478. PDF Y. Fang(a) , A. D. Bennett(c), and J. Liu*, "Multiply charged gas-phase NaAOT reverse micelles: Formation, encapsulation of glycine, and collision-induced dissociation", Int. J. Mass Spectrom. 2010, 293, 12-22. PDF Y. Fang(a) and J. Liu*, "Reaction of protonated tyrosine with electronically excited singlet molecular oxygen (a1Dg): An experimental and trajectory study", J. Phys. Chem. A. 2009, 113, 11250-11261. PDF J. Liu* and S. L. Anderson, "The origins of large bending enhancement of the reaction of C2H2+ with methane: The Effects of bending momentum, ruling out the precursor mechanism, and steps towards Polanyi rules for polyatomic reactions", Phys. Chem. Chem. Phys. 2009, 11, 8721-8732. PDF J. M. Boyle, J. Liu, and S. L. Anderson, "Effects of bending and bending angular momentum on reaction of NO2+ with C2H2 : A quasi-classical trajectory study", J. Phys. Chem. A (George C. Schatz Festschrift), 2009, 113, 3911-3921.PDF J. M. Boyle, B. W. Uselman, J. Liu, and S. L. Anderson, "Vibrational effects on the reaction of NO2+ with C2H2: Effects of bending and bending angular momentum", J. Chem. Phys. 2008, 128, 114304/1-114304/12. PDF J. Li, J. Yang, Y. Mo, K.C. Lau, X. M. Qian, Y. Song, J. Liu, and C. Y. Ng, "Combined vacuum ultraviolet laser and synchrotron pulsed field ionization study of CH2BrCl", J. Chem. Phys. 2007, 126, 184304/1-194304/10. J. Liu, B. Uselman, B. van Devener, and S. L. Anderson, "Vibrational mode and collision energy effects on reaction of H2CO+ with CO2", Phys. Chem. Chem. Phys. 2006, 8(39), 4575-4584. J. Liu, B. Uselman, J. Boyle, and S. L. Anderson, "The effects of collision energy, vibrational excitation and vibrational angular momentum on the energy transfer and dissociation in NO2+- rare gas collisions: An experimental and trajectory study", J. Chem. Phys. (Y. T. Lee Festschrift) 2006, 125(13), 133115/1-133115/15.