Two Important Polysaccharides as Carriers for Drug Delivery

Area of Science:

• Biomaterials Science
• Drug Delivery Systems
• Polymer Chemistry

Background:

• Chitosan and dextran are biocompatible polysaccharides with significant potential in pharmaceutical applications.
• Their unique chemical structures allow for versatile modification and formulation into various drug delivery platforms.
• The development of effective drug carriers is crucial for improving therapeutic outcomes and reducing side effects.

Purpose of the Study:

• To review and summarize the diverse applications of chitosan and dextran as carriers in drug delivery.
• To highlight the different types of carriers that can be prepared using these biopolymers.
• To provide an overview of the methods for incorporating drugs with these carrier systems.

Main Methods:

• Literature review of studies utilizing chitosan and dextran for drug delivery.
• Categorization of carrier types, including nanoparticles, intelligent gels, microspheres, and nano/microencapsulation.
• Analysis of drug conjugation methods, such as non-covalent crosslinking and covalent modification.

Main Results:

• Chitosan is extensively used to prepare various drug carriers, including nanoparticles (NPs), intelligent gels, microspheres, and nano/microencapsulated systems.
• Dextran can be effectively combined with drugs through both non-covalent crosslinking and covalent modification strategies.
• Both biopolymers demonstrate broad applicability and significant potential in the field of drug delivery.

Conclusions:

• Chitosan and dextran are highly adaptable biopolymers for the development of advanced drug delivery systems.
• The choice of carrier type and drug conjugation method depends on the specific therapeutic application.
• Further research into these materials promises enhanced drug targeting and efficacy.