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Gregory Eakins

Greg Eakins

Senior Instrumentation Specialist


  • Embedded Software and Systems
  • Embedded Wireless Communications (Bluetooth, BLE, 802.11) and IoT Devices
  • High Performance Analog Circuits
  • Computer Aided Design and Additive Manufacturing
  • High Power and High Voltage Circuits
  • Signal Generation, Filtering, Amplification, and Switching


  • B.S. Electrical Engineering, Purdue University
  • M.S. Electrical Engineering, Purdue University


  • Rotating Wall Mass Analyzer Driver
  • Continuous Agitation Peptide Photoreactor
  • Time-Resolved Aerosol Collector
  • Variable Wavelength Planetary Stir Plate Photoreactor

Contact Information

BRWN 4151D
560 Oval Drive
West Lafayette, IN 47907


Lee, K. W., C. P. Harrilal, L. Fu, G. S. Eakins and S. A. McLuckey (2020). "Digital ion trap mass analysis of high mass protein complexes using IR activation coupled with ion/ion reactions." Int. J. Mass Spectrom. 458: 116437.

Tomlin, J. M., K. A. Jankowski, F. A. Rivera-Adorno, M. Fraund, S. China, B. H. Stirm, R. Kaeser, G. S. Eakins, R. C. Moffet, P. B. Shepson and A. Laskin (2020). "Chemical Imaging of Fine Mode Atmospheric Particles Collected from a Research Aircraft over Agricultural Fields." ACS Earth Space Chem.: Ahead of Print.

Lee, K. W., G. S. Eakins, M. S. Carlsen and S. A. McLuckey (2020). "Ion trap operational modes for ion/ion reactions yielding high mass-to-charge product ions." Int. J. Mass Spectrom. 451: 116313.

Kong, J. Y., R. T. Hilger, C. Jin, R. Yerabolu, J. R. Zimmerman, R. W. Replogle, T. M. Jarrell, L. Easterling, R. Kumar and H. I. Kenttamaa (2019). "Integration of a Multichannel Pulsed-Valve Inlet System to a Linear Quadrupole Ion Trap Mass Spectrometer for the Rapid Consecutive Introduction of Nine Reagents for Diagnostic Ion/Molecule Reactions." Anal Chem.

Johnson, J. T., I. J. Carrick, G. S. Eakins and S. A. McLuckey (2019). "Simultaneous Isolation of Nonadjacent m/z Ions Using Mirror Switching in an Electrostatic Linear Ion Trap." Anal Chem 91(19): 12574-12580.

Johnson, J. T., I. J. Carrick, G. S. Eakins and S. A. McLuckey (2019). "Mirror Switching for High-Resolution Ion Isolation in an Electrostatic Linear Ion Trap." Anal Chem.

Lee, K. W., G. S. Eakins, M. S. Carlsen and S. A. McLuckey (2019). "Increasing the Upper Mass/Charge Limit of a Quadrupole Ion Trap for Ion/Ion Reaction Product Analysis via Waveform Switching." J Am Soc Mass Spectrom.

Smith, C. J., S. R. Griffin, G. S. Eakins, F. Deng, J. K. White, G. J. Simpson, S. Thirunahari, S. Ramakrishnan, A. Sangupta, S. Zhang, J. Novak, Z. Liu and T. Rhodes (2018). "Triboluminescence from Pharmaceutical Formulations." Anal Chem 90(11): 6893-6898.

Huang, K.-C., C.-S. Liao, J.-X. Cheng, J. McCall, P. Wang, P. Wang, G. Eakins, J.-X. Cheng, C. Yang and C. Yang (2018). "High-Speed Spectroscopic Transient Absorption Imaging of Defects in Graphene." Nano Lett 18(2): 1489-1497.

Hui, J., Y. Zhang, Y. Cao, A. Kole, P. Wang, M. Sturek, J.-X. Cheng, A. Kole, M. Sturek, G. Yu, W. Chen, G. Eakins, W. Chen, J.-X. Cheng and J.-X. Cheng (2017). "Real-time intravascular photoacoustic-ultrasound imaging of lipid-laden plaque in human coronary artery at 16 frames per second." Sci Rep 7(1): 1417.

Zhang, C., K.-C. Huang, B. Rajwa, J. Li, S. Yang, H. Lin, C.-S. Liao, G. Eakins, S. Kuang, V. Patsekin, J. P. Robinson and J.-X. Cheng (2017). "Stimulated Raman scattering flow cytometry for label-free single-particle analysis." Optica 4(1): 103-109.

Liao, C. S., K. C. Huang, W. L. Hong, A. J. Chen, C. Karanja, P. Wang, G. Eakins and J. X. Cheng (2016). "Stimulated Raman spectroscopic imaging by microsecond delay-line tuning." Optica 3(12): 1377-1380.

Zhang, D., C. Zhang, C. Li, M. N. Slipchenko, G. Eakins and J.-X. Cheng (2016). "Depth-resolved mid-infrared photothermal imaging of living cells and organisms with submicrometer spatial resolution." Sci Adv 2(9): e1600521.

Liao, C. S., P. Wang, P. Wang, J. Li, H. J. Lee, G. Eakins and J. X. Cheng (2015). "Spectrometer-free vibrational imaging by retrieving stimulated Raman signal from highly scattered photons." Sci Adv 1(9): e1500738.