Mechanistic Study of Enhanced Protonation by Chromium(III) in Electrospray Ionization: A Superacid Bound to a Peptide
| Autor: | Xinyao Jing, Nnenna E. Dieke, Rudradatt R. Persaud, John B. Vincent, Elizabeth Hartmann, Carolyn J. Cassady, Skyler Lambert, David A. Dixon, Nicholas Parsa |
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| Rok vydání: | 2019 |
| Předmět: |
Chromium
Models Molecular inorganic chemicals chemistry.chemical_classification Spectrometry Mass Electrospray Ionization Electrospray ionization Glycine technology industry and agriculture chemistry.chemical_element Protonation Peptide Hydrogen-Ion Concentration Medicinal chemistry chemistry.chemical_compound chemistry Structural Biology Density functional theory Superacid Protons Peptides Acids Spectroscopy |
| Zdroj: | Journal of the American Society for Mass Spectrometry. 31:308-318 |
| ISSN: | 1879-1123 1044-0305 |
| DOI: | 10.1021/jasms.9b00078 |
| Popis: | Addition of trivalent chromium, Cr(III), to solutions undergoing electrospray ionization (ESI) enhances protonation and leads to formation of [M + 2H]2+ for peptides that normally produce [M + H]+.... |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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