Joel Kimmel, Ph.D.

Research Scientist II
Jimenez Research Group
CIRES
University of Colorado
Boulder, CO 80309-0216
Office: Ekeley W221
Lab: Ekeley E150
jkimmel@colorado.edu
ph 303.492.0594
fx 303.492.1149
Research.

Development of improved software and instrumentation for aerosol mass spectrometry.

Teaching.
Software.
Publications.
  1. C. Mohr, J.A. Huffman, M.J. Cubison, A.C. Aiken, K.S. Docherty, J.R. Kimmel, I.M. Ulbrich, M. Hannigan, J. Garcia, and J.L. Jimenez. "Characterization of Primary Organic Aerosol Emissions from Meat Cooking, Trash Burning, and Combustion Engines with High-Resolution Aerosol Mass Spectrometry and Comparison with Ambient and Chamber Observations." Envir Sci and Tech, submitted, Apr. 2008.
  2. DeCarlo, P.F., E.J. Dunlea,J.R. Kimmel, A.C. Aiken, D. Sueper, J. Crounse, P.O. Wennberg, L. Emmons, Y. Shinozuka, A. Clarke, J. Zhou, J. Tomlinson, D. Collins, D. Knapp, A. Weinheimer, T. Campos, and J.L. Jimenez. Fast Airborne Aerosol Size and Chemistry Measurements with the High Resolution Aerosol Mass Spectrometer During the MILAGRO Campaign. ACPD, 7, 18269-18317, 2007
  3. Aiken, et al, "O/C and OM/OC Ratios of Primary, Secondary, and Ambient Organic Aerosols with High Resolution Time-of-Flight Aerosol Mass Spectrometry" Envir Sci and Tech, in press, Feb. 2008.
  4. P.F. DeCarlo, J.R. Kimmel, A. Trimborn, M. J. Northway, J.T. Jayne, A.C. Aiken, M. Gonin, K. Fuhrer, T. Horvath, K. Docherty, D.R. Worsnop, and J.L. Jimenez. “A field-deployable high-resolution time-of-flight aerosol mass spectrometer. Anal. Chem. 78, 8281 (2006) PDF
  5. R. N. Zare, F. M. Fernandez, J. R. Kimmel, and O. Trapp, “Gating device and driver for modulation of charged particle beams.” U.S. Patent 7,067,803 (2006)
  6. O. K. Yoon, I. A. Zuleta, J. R. Kimmel, M. D. Robbins, and R. N. Zare “Duty cycle and modulation efficiency of two-channel Hadamard transform time-of-flight mass spectrometry”  J. Am. Soc. Mass Spectrom.16,1888 (2005) DOI
  7. J. R. Kimmel, O. K. Yoon, I. A. Zuleta, O. Trapp, and R. N. Zare “Peak height precision in Hadamard transform time-of-flight mass spectrometry” J. Am. Soc. Mass Spectrom. 16, 1117 (2005) DOI
  8. O. Trapp, E. W. Pearce, J. R. Kimmel, O.K. Yoon, I. A. Zuleta, and R. N. Zare “A soft on-column metal coating procedure for robust sheathless electrospray emitters used in capillary electrophoresis/ mass spectrometry” Electrophoresis 26, 1358 (2005) DOI
  9. J. R. Kimmel Continuous, Multiplexed Time-of-Flight Mass Spectrometry of Electrosprayed Ions. PhD thesis. Stanford University. (2004) PDF
  10. O. Trapp, J.R. Kimmel, O.K. Yoon, I. A. Zuleta, F. M. Fernandez, and R.N. Zare “Continuous two-channel time-of-flight mass spectrometric detection of electrosprayed ions” Angew. Chem. Int. Ed. 43, 6541 (2004) DOI
  11. J. R. Kimmel, F. M. Fernandez and R. N. Zare, “Effects of modulation defects on Hadamard transform time-of-flight mass spectrometry (HT-TOFMS).” J. Am. Soc. Mass. Spectrom. 14, 278 (2003) DOI
  12. R.N. Zare, F.M. Fernandez and J.R. Kimmel, “Hadamard transform time-of-flight mass spectrometry: More signal, more of the time.” Angew. Chem. Int. Ed. 42, 30 (2003) DOI
  13. J. R. Kimmel, F. Engelke, and R.N. Zare, “Gate for modulating a beam of charged particles and method for making the same.“ U.S Patent 6,664,545 (2003)
  14. B. M. Luther, J. R. Kimmel and N. E. Levinger, “Solvation dynamics in benzene/acetonitrile mixtures.” J. Chem. Phys., 116, 3370 (2002) DOI
  15. F. M. Fernández, J. M. Vadillo, J. R. Kimmel, M. Wetterhall, K. Markides, N. Rodriguez, and R. N. Zare, “Hadamard transform time-of-flight mass spectrometry: a high-speed detector for capillary format separations.” Anal. Chem. 74, 1611 (2002) DOI
  16. F.M. Fernandez, N. Rodriquez, J.M. Vadillo, M. Wetterhall, K. Markides, F. Engelke, J.R. Kimmel, and R.N. Zare, “Effect of sequence length, sequence frequency, and data acquisition rate on the performance of a Hadamard transform time-of-flight mass spectrometer.” J. Am. Soc. Mass Spectrom. 12, 1302 (2001) DOI
  17. J.R. Kimmel, F. Engelke, and R.N. Zare, “Novel method for the production of finely spaced Bradbury-Nielson gates.” Rev. Sci. Instrum. 72, 4354 (2001) DOI
  18. R.E. Riter, E.P. Undiks, J.R. Kimmel, and N.L. Levinger, “Formamide in reverse micelles: restricted environment effects on molecular motion.” J. Phys. Chem. B 102, 7931 (1999) DOI
  19. R.E. Riter, J.R. Kimmel, E.P. Undiks, and N.E. Levinger, “Novel reverse micelles partitioning nonaqueous polar solvents in a hydrocarbon continuous phase.” J. Phys. Chem. B 101, 8292 (1998) DOI
Presentations.
  1. J.R. Kimmel, et al “High-speed, Quantitative Analysis of Particle Chemistry Using a Time-of-flight Aerosol Mass Spectrometer.” FACSS 2007, Memphis, TN. PDF
  2. J.R. Kimmel “Overview of ToF-AMS DAQ.” 8th AMS Users Meeting, Reno, NV, 2007. PDF
  3. J.R. Kimmel, P.F. DeCarlo, D. Worsnop, J.L. Jimenez, “Quantitative time-of-flight mass spectrometry of aerosols using a digitally thresholded analog-to-digital converter.” 54th ASMS Conference, Seattle, WA, 2006. PDF
  4. J.R. Kimmel, O. Trapp, O.K. Yoon, I. A. Zuleta, F.M. Fernandez, R.N. Zare., “Two-channel Hadamard transform time-of-flight mass spectrometry: approaching 100% efficiency.” 52nd ASMS Conference, Nashville, TN, 2004. (Poster) PDF
Links.