Fig. 3
From: Exploring PEGylated and immobilized laccases for catechol polymerization
MALDI-TOF mass spectra of poly(catechol) catalyzed by: (a) free/native LAC; (b) free/PEGylated LAC; (c) immobilized/native LAC; (d) immobilized/PEGylated and (e) native immobilized onto PEG-activated resin