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Electron Capture, Collision-Induced, and Electron Capture-Collision Induced Dissociation in Q-TOF

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  • Recently, we demonstrated that a radio-frequency-free electromagnetostatic (RF-free EMS) cell could be retrofitted into a triple quad mass spectrometer to allow electron-capture dissociation (ECD) without the aid of cooling gas or phase-specific electron injection into the cell [1-2]. Subsequently, we used our RF-free EMS cell in the same instrument platform to demonstrate ECD occurring in the same space and at the same time with collision-induced dissociation (CID) to produce golden pairs and even triplets from peptides [3]. In this report, we demonstrate that ECD and CID product-ion mass spectra can be recorded at high resolution with flexible control of fragmentation processes using a newly designed cell installed in a hybrid Q-TOF tandem mass spectrometer.
  • This is an author's manuscript. The published article is copyrighted by Springer and can be found at: https://doi.org/10.1007/s13361-010-0072-x
  • Keywords: A radio-frequency-free electromagnetostatic cell, Electron capture dissociation
  • Keywords: A radio-frequency-free electromagnetostatic cell, Electron capture dissociation
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  • Voinov, V. G., Deinzer, M. L., Beckman, J. S., & Barofsky, D. F. (2011). Electron capture, collision-induced, and electron capture-collision induced dissociation in Q-TOF. Journal of The American Society for Mass Spectrometry, 22(4), 607-611. doi:10.1007/s13361-010-0072-x
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  • 22
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  • 4
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  • This research was supported directly by grants from the NSF (CHE-0924027), the Oregon Nanoscience and Microtechnologies Institute (#09-31 #3.5), NIH (R01RR026275 – National Center For Research Resources), and the NIEHS (ES00210 – Environmental Health Sciences Center).
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