Water interactions are at the heart of engineering of bio-based materials. The sensitivity of cellulose is often seen as detrimental, but this problem can be turned into an opportunity by utilizing the moisture-responsiveness in development of novel materials. The inherent interactions of cellulose fibers can be exploited e.g. in purification of water and air.
Currently, some of our most promising approaches include nanocellulose-based capturing of microplastics, hormones, and pharmaceutical residues from wastewater.