Substance P in the Gas Phase: Conformational Changes and Dissociations Induced by Collisional Activation in a Drift Tube
Sign Up to like & getrecommendations! Published in 2019 at "Journal of The American Society for Mass Spectrometry"
DOI: 10.1007/s13361-019-02160-3
Abstract: AbstractThe work presented below is related to our companion paper in this issue, entitled: Substance P in solution: trans-to-cis configurational changes of penultimate prolines initiate non-enzymatic peptide bond cleavages. Two-dimensional ion mobility spectrometry (IMS-IMS) and… read more here.
Keywords: substance; gas phase; activation; collisional activation ... See more keywords
Protonated N-Alkyl-2-nitroanilines Undergo Intramolecular Oxidation of the Alkyl Chain upon Collisional Activation.
Sign Up to like & getrecommendations! Published in 2017 at "International journal of mass spectrometry"
DOI: 10.1016/j.ijms.2016.06.008
Abstract: The collisional activation of protonated N-propyl-2-nitroaniline obtained by electrospray ionization shows two major competitive dissociation pathways: the elimination of the elements of propionic acid, [M + H - C3H6O2]+ to give an m/z 107 ion,… read more here.
Keywords: chain; collisional activation; activation protonated; group ... See more keywords
Gas-Phase Protein Salt Bridge Stabilities from Collisional Activation and Electron Transfer Dissociation.
Sign Up to like & getrecommendations! Published in 2017 at "International journal of mass spectrometry"
DOI: 10.1016/j.ijms.2016.09.010
Abstract: The gas phase structures of several proteins have been studied by electron transfer dissociation (ETD) with and without prior collisional heating after electrospraying these proteins from native-like solutions into a quadrupole ion trap mass spectrometer.… read more here.
Keywords: gas phase; salt bridges; gas; collisional activation ... See more keywords
Modified Ion Source for the Improved Collisional Activation of Protein Complexes.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Society for Mass Spectrometry"
DOI: 10.1021/jasms.3c00071
Abstract: The analysis of large molecules is challenging, as they often have salts and adducts retained through the electrospray process, which increase the observed mass and compromise the achievable mass resolution. Mild collisional activation has been… read more here.
Keywords: protein complexes; modified ion; collisional activation; protein ... See more keywords