Skip to main content
. 2020 Nov 24;12(12):2779. doi: 10.3390/polym12122779

Figure 4.

Figure 4

(a) Hierarchical structure from the meter to the nanometer scale (cellulose nanofibers) of a natural fiber contained in the plant cell wall; (b) schematic diagram of the isolation of cellulose nanocrystals by strong acid hydrolysis and (c) bottom-up production of bacterial cellulose [68].