Raw materials of natural origin and in particular biopolymers like cellulose play an important role as eco-friendly materials. Cellulose (C) and nanocellulose (NC)-based materials have emerged as interesting candidates to industries, governments and consumers as green, sustainable and natural materials for the fabrication of advanced complex composites.<br/>Nanoparticles (NPs) can be tuned chemically and structurally to obtain NPs with a broad range of interesting properties. The possibility to combine materials of raw origin, like cellulose, with nanoparticles open new avenues in the development of novel materials, which harness nanotechnology and nature.<br/>In this context, we will present our latest development on novel stimuli responsive materials for a variety of applications based on bacterial cellulose (BC). We explored the modification of BC at the biosynthesis steps during the bacterial cellulose production or ex-situ after the synthesis. We created multifunctional bacterial cellulose laminate materials with the confinement of several types of nanoparticles. The possibility to control the content of materials, the structure of the BC expands the palette of interesting biohybrids. Application in biomedical field, optics and plant healing will be explored.<br/>Figure: BC Composites of: A) Titania nanoparticles where we cultured fibroblast cells, B) Multilaminate BC composites C) Flexible BC nanocomposites.

Combining nanotechnology and bacterial cellulose to build stimuli responsive biomaterials

ACS Spring Meeting 2021

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