Dimitris K Papanastasiou

This study uses multimodal mass spectrometry to accurately map co-occurring histone modifications on intact proteins, enabling residue-level assignment of modifications and positional isomers.

The paper evaluates different ion activation methods on a timsOmni mass spectrometer for analyzing oligonucleotides, showing that EDD combined with other techniques improves fragmentation analysis.

The paper characterizes an Omnitrap-Orbitrap mass spectrometer with multiple ion activation methods, showing its versatility in peptide and protein analysis.