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)
  • Member, Connecticut Academy of Science and Engineering (2016).
  • Fuchs Memorial Award, given every 4 years at the International Aerosol Conference (2022)

Selected Publications:

  • J. Fernandez de la Mora, L.J. Perez-Lorenzo and D. Wick, Singularly narrow viral size and mobility standards from the 38.3 nm chronic bee paralysis virus and its 17.5 nm satellite, Anal. Chem. 2020, 92, 20, 13896–13903
  • L. J. Perez-Lorenzo, J. Fernandez de la Mora, Probing electrically driven nanojets by energy and mass analysis in vacuo, J. Fluid Mech. (2022), vol. 931, A4, doi:10.1017/jfm.2021.771
  • J. Fernandez de la Mora, a singularly narrow 29 nm aerosol size standard based on the FX174 bacteriophage, J. Aerosol Sci., 161, 2022, 105949
  • J. Fernandez de la Mora, F. Almazán, J. M. Rodríguez, Spontaneous interconversion between different narrowly defined shapes of rotavirus double-layered particles studied in real time by high resolution mobility analysis. Analytical Chemistry, 95(30)11483-11490, 2023: https://doi.org/10.1021/acs.analchem.3c01994
  • J. Fernandez de la Mora, S. Papanu, Characterization of polystyrene latex spheres 300 nm in diameter with singularly narrow size distributions, J. Aerosol Sci., 173, 106230, 2023: https://doi.org/10.1016/j.jaerosci.2023.106230
  • J. Fernandez de la Mora, The smallest nanodrop describable via macroscopic interfacial concepts: Testing classical heterogeneous nucleation theory with perfect wetting down to 3 nm, J. Interphase & Colloid Sci., 658, 562-570, 2024: https://doi.org/10.1016/j.jcis.2023.12.031

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