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Recent advances on nanohybrid systems constituting clay-chitosan with organic molecules-A review

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Author(s):
de Lima, Pedro Henrique Correia ; Tavares, Albaniza Alves ; Silva, Suedina Maria de Lima ; de Moura, Marcia Regina ; Aouada, Fauze Ahmad ; Grillo, Renato
Total Authors: 6
Document type: Journal article
Source: APPLIED CLAY SCIENCE; v. 226, p. 14-pg., 2022-09-01.
Abstract

Bionanocomposites include matrices and dispersed phases that combine two or more biomolecules on a nano metric scale to enhance some nanomaterial properties such as biocompatibility and biodegradability. Nowadays, chitosan (CS), a cationic polysaccharide, is one of the most commonly used bioconstituent in the preparation of bionanocomposites with several other materials, such as clay. CS-clay nanocomposites are extensively explored in applications such as drug delivery systems, dressings, food packaging, and contaminant adsorption, due to their improved physicochemical, barrier, and mechanical properties. Recently, the association of organic molecules alongside CS-clay nanocomposites emerged due to the ability of adding new and specific properties for these materials. In this context, we reviewed recent advances on nanohybrid systems composed of CS-clay with organic molecules and discussed their structural interactions, enhanced properties, synthesis method, applications, and toxicological implications. Furthermore, challenges and future perspectives were considered to establish parameters for conducting future research in this field. (AU)

FAPESP's process: 19/06170-1 - Bacterial nanocellulose incorporation in hydro soluble polymers edible matrices for a study of the viability in obtaining a new nanocomposite
Grantee:Márcia Regina de Moura Aouada
Support Opportunities: Regular Research Grants
FAPESP's process: 18/18697-1 - Development of novel magnetic nanocomposites based on hydrogel for evaluation as carrier vehicle of drugs and agricultural inputs
Grantee:Fauze Ahmad Aouada
Support Opportunities: Regular Research Grants