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Femtosecond laser-induced dissociation (fs-LID) as an activation method in mass spectrometry

Author(s)
Neidel, ChristianKuehn, AndreasSchulz, Claus PeterHertel, Ingolf V.Linscheid, Michael W.Schultz, Thomas
Issued Date
2018-10
DOI
10.1016/j.chemphys.2018.05.008
URI
https://scholarworks.unist.ac.kr/handle/201301/24186
Fulltext
https://www.sciencedirect.com/science/article/pii/S0301010417309989
Citation
CHEMICAL PHYSICS, v.514, pp.106 - 112
Abstract
We report the photolysis of biomolecules in a Fourier-transform ion cyclotron resonance mass spectrometer by intense near-infrared femtosecond laser pulses. Photo-fragmentation was accompanied by photo-ionization and created a large number and variety of charged fragments, which could be identified with high confidence due to the outstanding resolving power and mass accuracy of the mass spectrometer. Fragmentation patterns were sufficient for peptide sequence analysis. Fragments formed by non-ergodic cleavage retained labile post-translational modifications.
Publisher
ELSEVIER SCIENCE BV
ISSN
0301-0104
Keyword (Author)
Fs-LIDPeptidesProteinsSequencingMass spectrometryFT-MSFemtosecond laser
Keyword
ELECTRON-CAPTURE DISSOCIATIONPOSTTRANSLATIONAL MODIFICATIONSINDUCED IONIZATION/DISSOCIATIONPROTONATED PEPTIDESPROTEOMIC ANALYSISPROTEINSFRAGMENTATIONIONSIDENTIFICATIONPATHWAYS

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