Juan Fernandez de la Mora

Professor of Mechanical Engineering & Materials Science
Room / Office: Mason M6
Office Address:
9 Hillhouse Avenue
New Haven, CT 06511
Mailing Address:
P.O. Box 208284
New Haven, CT 06520
Phone: (203) 432-4347
Fax: (203) 432-7654
Email: juan.delamora@yale.edu
  • Ph.D., Yale University
  • B.S., Polytechnical University, Madrid


Fluid mechanics, ion-induced nucleation, electrified interfaces (Taylor cones, electrosprays), experimental techniques for analysis of nanoaerosols, ion mobility instrumentation, mass spectrometery, electrical propulsion, real time vapor analysis.

Selected Awards & Honors:

  • Harding Bliss Prize from the Engineering and Applied Science Department, Yale (1981)
  • Yale Junior Faculty Fellowship (1984)
  • K. Whitby Award from the American Association of Aerosol Research (1985)
  • Member, Connecticut Academy of Arts and Sciences (1993)
  • Research fellow, Japan Society for Promotion of Science (May-June 1996)
  • Corresponding Member, Spanish Academy of Engineering (1998)
  • Sinclair Award from the American Association of Aerosol Research (2006)

Selected Publications:

  • Gamero-Castaño, M. and Fernandez de la Mora, A condensation nucleus counter (CNC) sensitive to singly charged subnanometer particles; J. Aerosol Sci., 31, 757-772 (2000).
  • S. Ude and J. Fernandez de la Mora, B. A. Thomson, Charge-induced unfolding of multiply charged polyethylene glycol ions, J. Am. Chem. Soc., 126, 12184-12190 (2004).
  • J. Fernandez de la Mora, the fluid dynamics of Taylor cones, Annual Review of Fluid Mechanics, 39, 217-243 (2007).
  • P. Martinez-Lozano and J. Fernández de la Mora, Direct mass spectrometric analysis of human skin vapors charged by secondary electrospray ionization, J. Am. Soc. Mass Spectrom, 20, 1060-1063 (2009).
  • C. J. Hogan Jr. & J. Fernández de la Mora, Ion-Pair Evaporation from Ionic Liquid clusters, J Am. Soc. Mass Spectrom, 21, 1382–1386 (2010).
  • J. Fernández de la Mora and J. Kozlowski, Hand-held differential mobility analyzers of high resolution for 1-30 nm particles: Design and fabrication considerations. J. Aerosol Sci. 57, 45-53 (2013).
  • Fernández-García, J.; Fernández de la Mora, J. Measuring the Effect of Ion-Induced Drift-Gas Polarization on the Electrical Mobilities of Multiply-Charged Ionic Liquid Nanodrops in Air, J. Am. Soc. Mass Spectrom., 24:1872-1889 (2013).
  • Fernandez de la Mora, J. and Barrios, C., (2017) A Bipolar electrospray source of singly charged salt clusters of precisely controlled composition, Aerosol Science and Technology, 51(6) 778 – 786 (2017).
  • D. Zamora, M. Amo-Gonzalez, Marta Lanza, G. Fernández de la Mora, J. Fernández de la Mora, Reaching a vapor sensitivity of 0.01 parts per quadrillion in the screening of large volume freight, Analytical Chemistry, Feb 20;90(4):2468-2474 (2018).
  • M. Amo-González, I. Carnicero, S. Pérez, R. Delgado, G. A. Eiceman, G. Fernández de la Mora, J. Fernández de la Mora, Ion Mobility Spectrometer-Fragmenter-Ion Mobility Spectrometer Analogue of a Triple Quadrupole for High-Resolution Ion Analysis at Atmospheric Pressure, Anal. Chem., 90 (11), pp 6885–6892 (2018).

Selected Patents:

  • 5,869,831 (9/Feb/1999) and 5,936,242 (10/Aug/1999) J. Fernández de la Mora, L., de Juan, T. Eichler and J. Rosell, Method and apparatus for separating ions in a gas for mass spectrometry
  • 6,787,763, (September 7, 2004) and 7,161,143 (January 9, 2007) J. Fernandez de la Mora M. J. Labowsky, J. Schmitt and W. Neilson, Method and apparatus to increase the resolution and widen the range of differential mobility analyzers (DMAs)
  • 7,626,161 (Dec/1/2009), Labowsky, M., and Fernandez de la Mora, J., Ion mobility separation devices; PCT/US2004/005133; April/23/2007. Canadian extension April 2012.
  • 7,855,360 (December 21, 2010), 278,622 (2/October/2012), J. Fernández de la Mora, A. Casado, G. Fernández de la Mora, Method to accurately discriminate gas phase ions with several filtering devices in tandem7,928,374 (19/April/2011), J. Rus, J. Fernandez de la Mora, Resolution improvement in the coupling of planar differential mobility analyzers with mass spectrometers or other analyzers and detectors.
  • US 9,121,844 B (l, Sep.1, 2015), Method to analyze and classify persons and organisms based on odor patterns from released vapors, Pablo Martinez-Lozano Sinues, Juan Fernandez de la Mora.
  • US 9,297,785, M. Amo, D. Zamora, Casado, A., G. Fernandez de la Mora, G. Vidal-de-Miguel, J. Fernandez de la Mora, Method for Detecting Atmospheric Vapors at Parts Per Quadrillion (Ppq) Concentrations; 03/29/2016