Fig. 3From: Evaluation of the two-step treatment with ionic liquids and alkali for enhancing enzymatic hydrolysis of Eucalyptus: chemical and anatomical changesAverage Raman spectra of S regions in the cross sections of the control and ILs-pretreated Eucalyptus (a), and zoom into the average Raman spectra in the range of 1250–1710 cm−1 (b)Back to article page