Ion fragmentation technique in mass spectrometry-driven proteomics based on the transfer of low energy electrons to the molecules selected for fragmentation.
Note: ETD is particularly effective for analysis of post-translational modification.
Source:
PAC, 2018, 90, 1121. 'Terminology of bioanalytical methods (IUPAC Recommendations 2018)' on page 1155 (https://doi.org/10.1515/pac-2016-1120)