Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic drawing of plant cellulosic fibre hierarchical structure. (1) Bark cambium pith, (2) cambium (3) mature cell wall, (4) cellulose fibre, and (5) chemical structure of cellulose (cited from H.P.S. Abdul Khalil et al. [50]). Copyright 2016. Reused with permission from Elsevier Ltd.
