Jorabchi group, Georgetown University

  1. F. A. Redeker, J. E. Lesniewski, G. Hahm, W. P. McMahon, and K. Jorabchi, High-Resolution Elemental Mass Spectrometry Using LC-ICP-Nanospray-Orbitrap for Simultaneous and Species-Independent Quantitation of Fluorinated and Chlorinated Compounds, Anal. Chem. (2022),

  2. S. R. White, K. Zheng, J. Tanen, J. E. Lesniewski, and K. Jorabchi, Elemental Detection of Fluorochemicals by Nanospray-Induced Chemical Ionization in Afterglow of an Inductively Coupled Plasma, J. Anal. Atom. Spectrom. 37, 870-882 (2022) DOI: 10.1039/D1JA00449B

  3. M. J. Dolan Jr. and K. Jorabchi, Effects of outdoor weathering and laundering on the detection and classification of fluorinated oil-and-water-repellent fabric coatings, J. Forensic Sciences 66, 1669-1678 (2021)

  4. M. J. Dolan Jr., W. Li, and K. Jorabchi, Detection and Diversity of Fluorinated Oil-and-Water-Repellent Coatings on Apparel Fibers, J. Forensic Sciences, 66, 1285-1299 (2021)

  5. W. P. McMahon, and K. Jorabchi, Perturbation-induced high-frequency pulsing of nano-ESI with facile ion selection at atmospheric pressure, Analyst 145, 7357-7371 (2020), DOI: 10.1039/D0AN01198C

  6. K. Zheng, J. E. Lesniewski, M. J. Dolan Jr., W. Li, T. T. Metallo, and K. Jorabchi, Elemental Fluorine Detection by Dielectric Barrier Discharge Coupled to Nanoelectrospray Ionization Mass Spectrometry for Nontargeted Analysis of Fluorinated Compounds, Anal. Chem. 92, 10129–10137 (2020)

  7. W. P. McMahon, R. Dalvi, J. E. Lesniewski, Z. Y. Hall, and K. Jorabchi, Pulsed Nano-ESI: Application in Ion Mobility-MS and Insights into Spray Dynamics, J. Am. Soc. Mass Spectrom. 31, 488–497 (2020).

  8. J. E. Lesniewski, K. Zheng, D. Dain, P. Lecchi, and K. Jorabchi, High-Sensitivity Elemental Mass Spectrometry of Fluorine by Ionization in Plasma Afterglow, Anal. Chem. 91, 3773-3777 (2019)

  9. M. J. Dolan jr., R. D. Blackledge, and K. Jorabchi, Classifying single fibers based on fluorinated surface treatments, Anal. Bioanal. Chem. 411, 4775–4784 (2019), Invited contribution to special issue on Young Investigators in (Bio)-Analytical Chemistry

  10. J. E. Lesniewski, W. P. McMahon, and K. Jorabchi, Mechanistic insights into chloride ion detection from the atmospheric-pressure afterglow of an argon inductively coupled plasma, J. Anal. At. Spectrom. 33, 1981-1992 (2018)

  11. K. Zheng, M. J. Dolan Jr, P. J. Haferl, H. Badiei, and K. Jorabchi, Atmospheric-Pressure Dielectric Barrier Discharge as an Elemental Ion Source for Gas Chromatographic Analysis of Organochlorines, Anal. Chem. 90, 2148–2154 (2018)

  12. J. E. Lesniewski, W. P. McMahon, K. Zheng, H. Wang, H. Badiei, and K. Jorabchi, Atmospheric pressure plasma assisted reaction chemical ionization for analysis of chlorinated compounds separated by liquid chromatography, J. Anal. At. Spectrom. 32, 1757-1765 (2017), Invited contribution to special issue on Young Analytical Scientists

  13. P. Haferl, K. Zheng, H. Wang, and K. Jorabchi, Elemental quantitation of carbon via production of polyatomic anions in gas chromatography-plasma assisted reaction chemical ionization mass spectrometry, Anal. Bioanal. Chem. 409, 3843-3851 (2017)

  14. W. P. McMahon, A. Subramanian, C. S. Minardi, R. Dalvi, and K. Jorabchi, Pulsed nano-ESI atmospheric-pressure ion mobility mass spectrometry with enhanced ion sampling, Anal. Chem. 88, 11767-11773 (2016)

  15. H. Wang, C. S. Minardi, H. Badiei, K. Kahen, and K. Jorabchi, High-sensitivity elemental ionization for quantitative detection of halogenated compounds, Analyst 140, 8177-8185 (2015)

  16. N. Lin, H. Wang, K. Kahen, H. Badiei, and K. Jorabchi, Gas chromatography plasma assisted reaction chemical ionization mass spectrometry for quantitative detection of bromine in organic compounds, Anal. Chem. 86, 7954–7961 (2014)

  17. H. Wang, N. Lin, K. Kahen, H. Badiei, and K. Jorabchi, Plasma-assisted reaction chemical ionization for elemental mass spectrometry of organohalogens, J. Am. Soc. Mass Spectrom. 25, 692-695 (2014)

  18. C. Minardi, M. Taghioskoui, S. Jang, and K. Jorabchi, Reagent delivery by partial and non-coalescence of aqueous microdroplets in oil, Anal. Chem., 85, 6491–6496 (2013)

Research Scientist, Syagen Technology Inc., Sept 2009-Aug. 2011

  1. K. Jorabchi, K. Hanold, and J. Syage, Ambient analysis by thermal desorption atmospheric pressure photoionization, Anal. Bioanal. Chem., 405, 7011-7018 (2013)

  2. A. Vilkov, K. Jorabchi, K. Hanold, and J. A. Syage, A mass spectrometer based explosive trace detector, Proc. of SPIE 8018, 80181G (2011).

Postdoctoral Fellow, Professor Lloyd Smith’s group, University of Wisconsin Madison, June 2006-Aug. 2009

  1. J. S. Mellors, K. Jorabchi, L. M. Smith, and J. M. Ramsey, Fully integrated microfluidic device for performing continuous single cell lysis with real-time electrophoretic separation and electrospray ionization mass spectrometry, Anal. Chem. 82, 967–973 (2010)

  2. K. Jorabchi and L. M. Smith, Single droplet separations and surface partition coefficient measurements using laser ablation mass spectrometry, Anal. Chem. 81, 9862-9868 (2009)

  3. R. G. Brennan, S. A. Rabb, K. Jorabchi, W. F. Rutkowski, and G. C. Turk, Heat assisted argon electrospray interface for low flow rate liquid sample introduction in plasma spectrometry, Anal. Chem. 81, 8126-8133 (2009)

  4. K. Jorabchi, M. S. Westphall, and L. M. Smith, Charge assisted laser desorption/ionization mass spectrometry of droplets, J. Am. Soc. Mass Spectrom. 19, 833-840 (2008)

  5. M. S. Westphall, K. Jorabchi, and L. M. Smith, Mass spectrometry of acoustically levitated droplets, Anal. Chem. 80, 5847-5853 (2008)

PhD student, Professor Akbar Montaser’s Group, George Washington University, Jan. 2001-May 2006

  1. K. Jorabchi, R. McCormick, J. A. Levin, H. Liu, S. Nam, and A. Montaser, Investigation of high efficiency nebulizer for helium inductively coupled plasma-mass spectrometry, Spectrochim. Acta 61 B, 945-950 (2006)

  2. K. Jorabchi, R. G. Brennan, J. A. Levine, and A. Montaser, Interferometric droplet imaging for insitu droplet characterization in an inductively coupled plasma, J. Anal. Atom. Spectrom. 21, 839 - 846 (2006); cover page article

  3. K. Kahen, K. Jorabchi, and A. Montaser, Desolvation induced non-linearity for Br determination using ultrasonic nebulization, J. Anal. Atom. Spectrom. 21, 588-591 (2006)

  4. K. Jorabchi, K. Kahen, P. Lecchi, and A. Montaser, Chemical reaction interface mass spectrometry with high efficiency nebulization, Anal. Chem. 77, 5402-5406 (2005)

  5. K. Jorabchi, K. Kahen, C. Gray, and A. Montaser, In-situ visualization and characterization of the aerosol droplets in an inductively coupled plasma, Anal. Chem. 77, 1252-1260 (2005)

  6. K. Kahen, K. Jorabchi, C. Gray, and A. Montaser, Spatial mapping of droplet velocity and size in direct and indirect nebulization, Anal. Chem. 76, 7194-7201 (2004)

  7. K. Jorabchi, and A. Montaser, New coil geometries for the study of secondary discharge in atmospheric-pressure helium inductively coupled plasma mass spectrometry, Spectrochimica Acta 59 B, 1471-1479 (2004)

  8. S.E. O’Brien, J. R. Chirinos, K. Jorabchi, K. Kahen, M. E. Cree, and A. Montaser, Investigation of the direct injection high efficiency nebulizer for axially and radially viewed inductively coupled plasma atomic emission spectrometry, J. Anal. Atom. Spectrom. 18, 910-916 (2003)