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Unimolecular Reaction Kinetics in the High-Pressure Limit without Collisions
Open accessAbstract
Molecular activation by blackbody photons, first postulated in 1919 by Perrin, plays a dominant role in the unimolecular dissociation of large ions trapped at low pressure in a Fourier-transform mass spectrometer. Under readily achievable experimental conditions, molecular ions of the protein ubiquitin equilibrate with the blackbody radiation field inside the vacuum chamber. The internal energy of a population of these ions is given by a Boltzmann distribution. From the temperature dependence of unimolecular dissociation rate constants measured in the zero-pressure limit, Arrhenius activation parameters equal to those in the high-pressure limit are obtained.
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Citations
Cited by
Fragmentation pathways of protonated peptides
Paizs, B., & Suhai, S. (2005) · Mass Spectrometry Reviews · doi:10.1002/mas.20024 · Cited by 1,118
Protein Complexes in the Gas Phase: Technology for Structural Genomics and Proteomics
Benesch, J. L. P., Ruotolo, B. T., Simmons, D. A., & Robinson, C. V. (2007) · Chemical Reviews · doi:10.1021/cr068289b · Cited by 408
Rodriguez-Cruz, S. E., Jockusch, R. A., & Williams, E. R. (1999) · Journal of the American Chemical Society · doi:10.1021/ja9911871 · Cited by 201
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Metadata
- Authors
- Price, W. D., Schnier, P. D., Jockusch, R. A., Strittmatter, E. F., & Williams, E. R.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 1996-01-01
- Volume
- 118
- Issue
- 43
- Pages
- 10640-10644
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2025710073
- Cited by
- 189
- References
- 0
- FWCI
- 7.99
- Type
- journal article
- Language
- en
- Open access
- green
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- Price, W. D., Schnier, P. D., Jockusch, R. A., Strittmatter, E. F., & Williams, E. R. (1996). Unimolecular Reaction Kinetics in the High-Pressure Limit without Collisions. Journal of the American Chemical Society. https://doi.org/10.1021/ja961812r
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