Issue 44, 2023

Smart stimuli-responsive polysaccharide nanohydrogels for drug delivery: a review

Abstract

Polysaccharides have found extensive utilization as biomaterials in drug delivery systems owing to their remarkable biocompatibility, simple functionalization, and inherent biological properties. Within the array of polysaccharide-based biomaterials, there is a growing fascination for self-assembled polysaccharide nanogels (NG) due to their ease of preparation and enhanced appeal across diverse biomedical appliances. Nanogel (or nanohydrogel), networks of nanoscale dimensions, are created by physically or chemically linking polymers together and have garnered immense interest as potential carriers for delivering drugs due to their favorable attributes. These include biocompatibility, high stability, the ability to adjust particle size, the capacity to load drugs, and their inherent potential to modify their surface to actively target specific cells or tissues via the attachment of ligands that can recognize corresponding receptors. Nanogels can be engineered to respond to specific stimuli, such as pH, temperature, light, or redox conditions, allowing controlled release of the encapsulated drugs. This intelligent targeting capability helps prevent drug accumulation in unintended tissues and reduces the potential side effects. Herein, an overview of nanogels is offered, comprising their methods of preparation and the design of stimulus-responsive nanogels that enable controlled release of drugs in response to specific stimuli.

Graphical abstract: Smart stimuli-responsive polysaccharide nanohydrogels for drug delivery: a review

Article information

Article type
Review Article
Submitted
28 Jūl. 2023
Accepted
13 Okt. 2023
First published
01 Nov. 2023

J. Mater. Chem. B, 2023,11, 10538-10565

Smart stimuli-responsive polysaccharide nanohydrogels for drug delivery: a review

F. Damiri, A. Fatimi, A. C. P. Santos, R. S. Varma and M. Berrada, J. Mater. Chem. B, 2023, 11, 10538 DOI: 10.1039/D3TB01712E

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