Lecturer – General and Physical Chemistry

Publications

  1. Harvey, R. M., J. Zahardis and G. A. Petrucci (2014). “Establishing the contribution of lawn mowing to atmospheric aerosol levels in American suburbs.” Atmos. Chem. Phys. 14(2): 797-812.
  2. Jain, S., J. Zahardis and G. A. Petrucci (2014). “Soft ionization chemical analysis of secondary organic aerosol from green leaf volatiles emitted by turf grass.” Environ. Sci. Tech. 48(9): 4835-4843.
  3. Zahardis, J., S. Geddes and G. A. Petrucci (2011). "Improved understanding of atmospheric organic aerosols via innovations in soft ionization aerosol mass spectrometry." Anal. Chem. 83(7): 2409–2415.
  4. Geddes, S., B. Nichols, S. Flemer Jr., J. Eisenhauer, J. Zahardis and G. A. Petrucci (2010). "Near-infrared laser desorption/ionization aerosol mass spectrometry for investigating organic aerosols under low loading conditions." Anal. Chem. 82(19): 7915-7923.
  5. Geddes, S., B. Nichols, K. Todd, J. Zahardis and G. A. Petrucci (2010). "Near-infrared laser desorption/ionization aerosol mass spectrometry for measuring organic aerosol at atmospherically relevant aerosol mass loadings." Atmos. Meas. Tech. 3(4): 1175-1183.
  6. Geddes, S., J. Zahardis, J. Eisenhauer and G. A. Petrucci (2009). "Low energy photoelectron resonance capture ionization aerosol mass spectrometry of small peptides with cysteine residues: Cys-Gly, γ-Glu-Cys, and glutathione (γ-Glu-Cys-Gly)." Int. J. Mass Spectrom. 282(1-2): 13-20.
  7. Geddes, S., J. Zahardis and G. A. Petrucci (2009). "Chemical transformations of peptide containing fine particles: oxidative processing, accretion reactions and implications to the atmospheric fate of cell-derived materials in organic aerosol." J. Atmos. Chem. 63(3): 187-202.
  8. Hatch, C. D., K. M. Gierlus, J. Zahardis, J. Shuttlefield and V. H. Grassian (2009). "Water uptake of humic and fulvic acid: measurements and modelling using single parameter Köhler theory." Environ. Chem. 6: 380-388.
  9. Roca, M., J. Zahardis, J. Bone, M. El-Maazawi and V. H. Grassian (2009). "310 nm irradiation of atmospherically relevant concentrated aqueous nitrate solutions: Nitrite production and quantum yields." J. Phys. Chem. A 112(51): 13275-13281.
  10. Stevens, J. P., J. Zahardis, M. MacPherson, B. T. Mossman and G. A. Petrucci (2008). "A new method for quantifiable and controlled dosage of particulate matter for in vitro studies: The electrostatic particulate dosage and exposure system (EPDExS)." Toxicol. in Vitro 22(7): 1768-1774.
  11. Zahardis, J., S. Geddes and G. A. Petrucci (2008). "Detection of free amino acids in proxies of marine aerosol by photoelectron resonance capture ionization aerosol mass spectrometry." Int. J. Environ. Anal. Chem. 88(3): 177-184.
  12. Zahardis, J., S. Geddes and G. A. Petrucci (2008). "The ozonolysis of primary aliphatic amines in fine particles." Atmos. Chem. Phys. 8: 1181-1194.
  13. Zahardis, J. and G. A. Petrucci (2007). "The oleic acid-ozone heterogeneous reaction system: products, kinetics, secondary chemistry, and atmospheric implications of a model system - a review " Atmos. Chem. Phys. 7(5): 1237-1274.
  14. Zahardis, J., B. W. LaFranchi and G. A. Petrucci (2006). "Direct observation of polymerization in the oleic acid - ozone heterogeneous reaction system by photoelectron resonance capture ionization aerosol mass spectrometry." Atmos. Environ. 40(9): 1661-1670.
  15. Zahardis, J., B. W. LaFranchi and G. A. Petrucci (2006). "The heterogeneous reaction of particle-phase methyl esters and ozone elucidated by photoelectron resonance capture ionization: Direct products of ozonolysis and secondary reactions leading to the formation of ketones." Int. J. Mass Spectrom. 253(1-2): 38-47.
  16. Zahardis, J., B. W. LaFranchi and G. A. Petrucci (2006). "Photoelectron resonance capture ionization mass spectrometry of fatty acids in olive oil." Eur. J. Lipid Sci. Technol. 108(11): 925-935.
  17. Zahardis, J., B. W. LaFranchi and G. A. Petrucci (2005). "Photoelectron resonance capture ionization-aerosol mass spectrometry of the ozonolysis products of oleic acid particles: Direct measure of higher molecular weight oxygenates." J. Geophys. Res. 110: D08307.
  18.  Hager, J. S., J. Zahardis, R. M. Pagni, R. N. Compton and J. Li (2004). "Raman under nitrogen. The high-resolution Raman spectroscopy of crystalline uranocene, thorocene, and ferrocene." J. Chem. Phys. 120(6): 2708-2718.
  19. LaFranchi, B. W., J. Zahardis and G. A. Petrucci (2004). "Photoelectron resonance capture ionization mass spectrometry: a soft ionization source for mass spectrometry of particle-phase organic compounds." Rapid Commun. Mass Spectrom. 18(21): 2517-2521.

 

head shot in office space with bright window in the background

Areas of Expertise and/or Research

Physical Chemistry, Aerosols, Mass Spectrometry, Raman Spectroscopy

Education

  • Ph.D., University of Vermont, Burlington, VT, 2008
  • Postdoctoral Fellow, University of Iowa, Iowa City, IA, 2008-2009
  • Postdoctoral Fellow, University of Vermont, Burlington, VT, 2009-2014

Contact

Email:

James.Zahardis@uvm.edu

Phone:
  • 802-881-4620
Office Location:

Innovation E329