In mass spectrometry, the ions of interest are usually detected by techniques based on secondary electron emission using electron multipliers or micro-channel plates. For large ions of biological interest, these detection techniques are inefficient and eventually break down as the ion mass increases
Energy-sensitive cryogenic detectors for high-mass biomolecule mass spectrometry
✍ Scribed by Matthias Frank; Simon E. Labov; Garrett Westmacott; W. Henry Benner
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 483 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0277-7037
No coin nor oath required. For personal study only.
✦ Synopsis
detectors can be used for charge discrimination and studies of ion fragmentation, ion-detector interaction, and internal energies of large molecular ions. Cryogenic detectors could therefore prove to be a valuable diagnostic tool in TOF±MS.
Here, we give a general introduction to the cryogenic detector types most applicable to TOF±MS including those types already used in several TOF±MS experiments. We review and compare the results of these experiments, discuss practical aspects of operating cryogenic detectors in TOF±MS systems, and describe potential near future improvements of cryogenic detectors for applications in mass spectrometry.
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