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Journal of Organometallic Chemistry, vol.1042, 2025 (SCI-Expanded, Scopus)
Chitosan (CS) is a naturally derived polymer from the class of polysaccharides. It's a deacetylated derivative of chitin that has been widely investigated in photocatalysis, the food industry, biosensors, and many pharmaceutical and medical fields, including drug/gene delivery, wound dressing, implants, bioimaging, and tissue engineering. However, its applications are restricted due to its poor mechanical properties and high degradability. In the past decades, a large number of studies have focused on the modification of CS by metal/metal oxide nanoparticles (M/MONP) and have reported extensive applications for composites obtained from M/MONP-modified CS (CS-M/MONP). CS-M/MONP composites have outstanding features such as high absorption capacity, stability, and physical or chemical adaptability, as well as it is possible to control the morphology, porosity, and structure of the composite. This study reviews recent advances in CS-M/MONP composites and provides comprehensive information on the various preparation methods and applications of CS-M/MONP composites. Also, it considers types of metals and metal oxides complexing with CS and surveys their effects, properties, and applications. Therefore, it can present more perspectives for using CS-M/MONP nanocomposites as a multifunctional material in biomedical, photocatalysis, food preservatives, and environmental protection.