Using Commercial Enzymes to Produce Cellulose Nanofibers from Soybean Straw

Figure 2

TEM micrographs of cellulose nanofibers (CN) obtained by enzymatic hydrolysis of chemically pretreated soybean straw: SS1, SS2, SS3, and SS4. 1, 2, 3, and 4 stand for the different SS submitted to the chemical treatments described in Table 1.

(a) SR1-CN

(b) SR2-CN

(c) SR3-CN

(d) SR4-CN