Marilyn Tourné, Ph.D.


Assistant Professor, Chemistry
College of Arts & Sciences
Email:  mtourne@mytu.tuskegee.edu
Phone: 334-724-4532
Office: Carver Hall Rm 43
Office Address: 301 Armstrong Hall, Tuskegee, AL, 36088

EDUCATION / TRAINING
Florida International University, B.S., 2005, Chemistry/Forensic Science
University of Florida, Ph.D., Analytical Chemistry, 2010

POSITIONS / EMPLOYMENT:

Assistant Professor, Department of Chemistry, Tuskegee University, 2012-Present
Adjunct Professor, Department of Chemistry, Central Michigan University, 2011-2012

Biographical Sketch:

Professor Marilyn Tourné (born Marilyn Prieto) received her Ph.D. from the University of Florida, Gainesville. Her current research focuses on three aspects of analytical mass spectrometry: instrumentation, fundamentals, and applications. Additionally, she focuses on compound analysis by interfacing high-field asymmetric waveform ion mobility spectrometry (FAIMS) and mass spectrometry (MS) which provides two separate orthogonal detection methods in a single trace explosives detector. Instrumentation development is geared towards the improvement of FAIMS cell designs to incorporate a more specific control of parameters which affect ion transmission and resolution. Instrumentation research also concentrates on the development of novel analytical platforms to increase sensitivity, selectivity, and specificity of detection and deterministic identification of target analytes. Fundamental studies are aimed to enhance the analytical capabilities of FAIMS/MS by understanding the thermodynamic and kinetic interactions of ion-neutral solvent molecules of explosives and compounds of forensic interest inside a FAIMS cell. Fundamental studies also include the decomposition kinetics and mechanisms of forensically interesting analytes to help characterize how their reaction mechanisms are affected subsequent to induced degradation. Application studies focuses on utilizing FAIMS/MS for the detection of several compound classes such as proteins, chemical warfare agents, pesticides, and explosives. On an academic note, Dr. Tourné is very interested in exploring different ways to increase the number of minority students enrolled and retained in STEM disciplines. She is in the process of developing a mentoring program for local high school students to help them be exposed to the many career opportunities possible in science.

RESEARCH AREAS:

  • Instrumentation and method development of FAIMS/MS
  • Modification and characterization of novel analytical platforms for forensic analysis
  • Development and applicability of novel ionization sources

REPRESENTATIVE PUBLICATIONS:

  • Tourné, Marilyn, Yost, Richard A., “Spherical FAIMS: Comparison of Curved Electrode Geometries” International Journal of Ion Mobility Spectrometry, 14 (2-3), 61-69, 2011.
  • Prieto, Marilyn, Tsai, Chai-Wei, Boumsellek, Said, Ferran, Robert J., Kaminsky, Ilya, Harris, Scott, Yost, Richard A., “Comparison of Rectangular and Bisinusoidal Waveforms in a Miniature Planar High-Field Asymmetric Waveform Ion Mobility Spectrometer” Analytical Chemistry, 83 (24), 9237-9243, 2011.
  • Bryant, Jennifer G., Prieto, Marilyn, Prox, Todd A., Yost, Richard A., “Design and Evaluation of a Novel Hemispherical FAIMS Cell” International Journal of Mass Spectrometry, 298 (1-3), 41-44, 2010.
  • Prieto, Marilyn, Yost, Richard A., “Hemispherical FAIMS/MS for Detection of Explosives” Proceedings of the 60th Annual Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy. 2009.
  • Rorrer, Leonard C. III, Prieto, Marilyn, Yost, Richard A, “Evaluation of linear injection and orthogonal injection into planar FAIMS-MS” Proceedings of the 56th ASMS Conference on Mass Spectrometry and Allied Topics. 2008.

Patent:

  • Prox, T., Prieto, M., Bryant, J., Yost, R. A., University of Florida Research Foundation, Inc. (2012) Partial Ovoidal FAIMS Electrode, U.S. Pat. 8,237,118.
TEACHING:
  • Survey to Chemistry
  • General Chemistry I
  • Analytical Chemistry
  • Quantitative Analysis

AFFILIATIONS
  • Member, American Society for Mass Spectrometry (ASMS)
  • Member, American Chemical Society (ACS)
  • Member, Phi Theta Kappa Honor Society
  • Member, People for the Ethical Treatment of Animals (PETA)
  • Member, American Society for the Prevention of Cruelty to Animals (ASPCA)


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