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. 2018 Feb 8;11:31. doi: 10.1186/s13068-018-1035-x

Fig. 7.

Fig. 7

Two-dimensional (2D) NMR spectra (HSQC experiments) at the gel state of: a/d the lignin of RS-Control; b/e the lignin of RS-Fenton; and c/f the lignin of RS-Fenton + B-8