Fig. 2From: Bio-coloration of bacterial cellulose assisted by immobilized laccase1H NMR spectra of a poly(catechol), b poly(hydroquinone), c poly(catechin) and d poly(ferulic acid); (1H NMR were acquired at 400 MHz, using deuterated dimethylsulfoxide, 298 K); the polymers were obtained after polymerization with laccase immobilized at 4 °C at pH = 5, overnightBack to article page