Fig. 8: MS2 parent and fragment spectra of lignin oligomers in MWLSA obtained by MALDI-LIFT-TOF/TOF. | Communications Chemistry

Fig. 8: MS2 parent and fragment spectra of lignin oligomers in MWLSA obtained by MALDI-LIFT-TOF/TOF.

From: Advancing lignin analytics via elucidation of linkage progressions in lignin populations

Fig. 8

MALDI-LIFT-TOF/TOF spectra of adducts 1039 (top) and 1081 (bottom) m/z. Parent spectra is visible in bottom, and fragment spectra is visible in top for each sample. Fragment peak 522 m/z is found in both samples, along with other common low m/z fragment peaks. Notice the 280 m/z distance between 522 and 802 m/z in 1039 fragment spectra, signifying a β-O-4’ unit.

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