Nanocellulose is an emerging sustainable biomaterial with exceptional physicochemical
properties. It can be isolated from inexpensive renewable cellulosic biomass and a number of natural
plant fibers have been extensively investigated as a source for such isolation. The geometrical
dimensions of the prepared cellulose nanocrystals (CNCs) are however, found to vary widely,
depending on the source of the cellulosic material and hydrolysis conditions. CNCs are biocompatible
and biodegradable which exhibit very low cytotoxicity thus, offering a wide range of opportunities for
biomedical applications. By surface modification of nanocellulose, various functional materials with
tunable properties can also be developed. Over the past two decades, CNCs have garnered a
significant interest as biobased reinforcing nanofiller material. This mini review will provide an overview into the
production methods, sources of cellulosic fibers, surface modification strategies and drug delivery applications of the
chemically or mechanically isolated nanocellulose.
Keywords: Biomaterials, cellulose nanocrystals, cellulose nanofibrils, drug delivery, nanocellulose, nanocomposites.
Rights & PermissionsPrintExport