Being major components of woody and non-woody plants, lignocellulosic materials have recently found enormous applications in a variety of fields ranging from biofuels and filtration to battery materials. Owing to the characteristic nature of lignin and cellulose for sorption and release of various types of substances, we present an innovative approach to fabricate various physical forms and compositions of lignocellulosic materials to fine tune their sorption and release profiles. We have prepared lignin-cellulose hybrid nanofibers and particles via respectively electrospinning and anti-solvent precipitation of mixtures containing biodegradable cellulose and alkali lignin. We find an interesting correlation between the precursor mixture composition and the fiber/particle physical properties. When sorption and release profile of these matrices is investigated, the composition of the matrix seems to monitor its capacity and kinetics to sorb and release various types of molecules. In particular, we have examined the scope of these matrices as sorbents for industrial contaminants using model dyes, while efficacy of the matrices as sustained release media for agrochemicals is analyzed by using model pesticides. We have also determined bioavailability of model pesticides from various matrices using <i>in-vitro</i> bioassays. We believe that by manipulating the composition of the matrices, we can fine tune their sorption and release profiles, while flexibility in fabricating the matrices in different physical forms further enhance the scope of our approach to be applied in diverse applications.<br/> <br/>

Bioinspired lignocellulose matrices for tunable sorption and release: From sustainable agriculture to environment remediation

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.