Engineered nanocellulose-based hydrogels for smart drug delivery applications.

Area of Science:

• Biomaterials Science
• Nanotechnology
• Drug Delivery Systems

Background:

• Nanocellulose is a sustainable nanomaterial with desirable properties like low toxicity, biocompatibility, and biodegradability.
• Its tunable surface features make it suitable for advanced applications.
• Recent scientific interest focuses on its potential in various biotechnological and biomedical fields.

Purpose of the Study:

• To review the production routes and contemporary developments of nanocellulose.
• To explore the application of nanocellulose in advanced drug delivery systems, including hydrogels and implants.
• To discuss challenges, opportunities, and future research directions for nanocellulose in smart drug delivery.

Main Methods:

• Review of existing scientific literature on nanocellulose production and applications.
• Detailed discussion of different nanocellulose types (bacterial nanocellulose, nanocrystals, nanofibers).
• Analysis of recent studies on nanocellulose-based hydrogels, aerogels, and magnetic nanocellulose.

Main Results:

• Nanocellulose exhibits tunable surface features and can be processed into various forms like aerogels and hydrogels.
• Nanocellulosic hydrogels demonstrate sustained drug release kinetics, varying from minutes to days.
• These 'smart' systems show significant potential for next-generation targeted drug delivery.

Conclusions:

• Nanocellulose is a versatile biomaterial with significant potential for controlled and targeted drug delivery.
• Further research into processing methodologies and challenges is crucial for optimizing nanocellulose-based therapeutic systems.
• Future directions involve leveraging nanocellulose for next-generation drug transport via various administration routes.