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Species formed by the reaction of glyoxal with IL, by MALDI.
| Peak | Chemical Species |
|---|---|
| 199–200 Da = calculated 197 Da, proton = 198 Da |  |
| 138 Da = 140 Da, glyoxal dimer by aldol condensation |  |
| By aldol condensation as: |  |
| 234 Da = 230 Da calculated, plus protonated, by aldol condensation, with Na+ |  |
| 366–367 Da = 366 Da calculated, without Na+ |  |
| 387 Da = 366 Da + 23 Da = as above but with Na+487–488 Da = with Na+ |  |
