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Data-driven fingerprint nanoelectromechanical mass spectrometry

Author

Listed:
  • John E. Sader

    (California Institute of Technology
    California Institute of Technology)

  • Alfredo Gomez

    (California Institute of Technology
    Carnegie Mellon University)

  • Adam P. Neumann

    (California Institute of Technology)

  • Alex Nunn

    (California Institute of Technology)

  • Michael L. Roukes

    (California Institute of Technology
    California Institute of Technology
    California Institute of Technology)

Abstract

Fingerprint analysis is a ubiquitous tool for pattern recognition with applications spanning from geolocation and DNA analysis to facial recognition and forensic identification. Central to its utility is the ability to provide accurate identification without an a priori mathematical model for the pattern. We report a data-driven fingerprint approach for nanoelectromechanical systems mass spectrometry that enables mass measurements of particles and molecules using complex, uncharacterized nanoelectromechanical devices of arbitrary specification. Nanoelectromechanical systems mass spectrometry is based on the frequency shifts of the nanoelectromechanical device vibrational modes that are induced by analyte adsorption. The sequence of frequency shifts constitutes a fingerprint of this adsorption, which is directly amenable to pattern matching. Two current requirements of nanoelectromechanical-based mass spectrometry are: (1) a priori knowledge or measurement of the device mode-shapes, and (2) a mode-shape-based model that connects the induced modal frequency shifts to mass adsorption. This may not be possible for advanced nanoelectromechanical devices with three-dimensional mode-shapes and nanometer-sized features. The advance reported here eliminates this impediment, thereby allowing device designs of arbitrary specification and size to be employed. This enables the use of advanced nanoelectromechanical devices with complex vibrational modes, which offer unprecedented prospects for attaining the ultimate detection limits of nanoelectromechanical mass spectrometry.

Suggested Citation

  • John E. Sader & Alfredo Gomez & Adam P. Neumann & Alex Nunn & Michael L. Roukes, 2024. "Data-driven fingerprint nanoelectromechanical mass spectrometry," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51733-8
    DOI: 10.1038/s41467-024-51733-8
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    References listed on IDEAS

    as
    1. Eric Sage & Marc Sansa & Shawn Fostner & Martial Defoort & Marc Gély & Akshay K. Naik & Robert Morel & Laurent Duraffourg & Michael L. Roukes & Thomas Alava & Guillaume Jourdan & Eric Colinet & Christ, 2018. "Single-particle mass spectrometry with arrays of frequency-addressed nanomechanical resonators," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    2. Thomas P. Burg & Michel Godin & Scott M. Knudsen & Wenjiang Shen & Greg Carlson & John S. Foster & Ken Babcock & Scott R. Manalis, 2007. "Weighing of biomolecules, single cells and single nanoparticles in fluid," Nature, Nature, vol. 446(7139), pages 1066-1069, April.
    3. Eric Sage & Ariel Brenac & Thomas Alava & Robert Morel & Cécilia Dupré & Mehmet Selim Hanay & Michael L. Roukes & Laurent Duraffourg & Christophe Masselon & Sébastien Hentz, 2015. "Neutral particle mass spectrometry with nanomechanical systems," Nature Communications, Nature, vol. 6(1), pages 1-5, May.
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