Exploring Applications and Preparation Techniques for Cellulose Hydrogels: A Comprehensive Review.

Area of Science:

• Materials Science
• Biotechnology
• Sustainable Chemistry

Background:

• Cellulose hydrogels are 3D networks with high water absorption and biocompatibility.
• Their abundance, biodegradability, and non-toxic nature drive interest in sustainable materials.
• Applications span biomedicine, food industry, and environmental protection.

Purpose of the Study:

• To review fundamental concepts, preparation techniques, and applications of cellulose hydrogels.
• To highlight advances in nano-lignin-based hydrogels.
• To provide insights for future research and development.

Main Methods:

• Literature review of cellulose hydrogel preparation and applications.
• Analysis of recent large-scale studies.
• Focus on nano-lignin-based hydrogel advancements.

Main Results:

• Cellulose hydrogels show significant potential in drug delivery, wound dressing, and water treatment.
• Recent studies have improved understanding of cellulose hydrogel preparation and use.
• Nano-lignin-based hydrogels represent a promising area of development.

Conclusions:

• Cellulose hydrogels are versatile, sustainable materials with broad applicability.
• Further research into nano-lignin hydrogels is warranted.
• This review offers a comprehensive overview for researchers and developers.