Cellulose nanocrystals (CNCs) are high-aspect ratio, mechanically stiff fibers which can serve as both a bio-renewable reinforcing agent in nanocomposites, as well as a handle for adding stimuli responsiveness. CNCs can be extracted from a wide range of natural cellulosic materials, with characteristics such as crystal structure, crystallinity and aspect ratio fluctuate widely between sources.<br/>Here, we report small molecule functionalized cellulose prepared for sustained delivery in a variety of environments. Moieties attached to the surface of cellulose nanocrystals show that both irreversible and reversible changes can be induced by application of an external stimuli.<br/>Moreover, we present our research focused on the design and fabrication of structured cellulose nanocrystals foams and nanocomposites for implantation. These specifically designed materials are mechanically tunable, matching the intended implantation site.

Structured and functionalized nanocellulose for controlled release and implantation

249th National Meeting (2015)

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