Hydrogel Films in Biomedical Applications: Fabrication, Properties and Therapeutic Potential

Area of Science:

• Biomedical Engineering
• Materials Science

Background:

• Hydrogel films offer unique physicochemical properties and biocompatibility for diverse biomedical needs.
• They encompass natural biopolymers, synthetic polymers, and composite materials with varied structures and functions.

Purpose of the Study:

• To provide a comprehensive overview of hydrogel film materials, fabrication techniques, and biomedical applications.
• To highlight current innovations and persistent challenges in the field.
• To identify future research directions for accelerating clinical translation.

Main Methods:

• Review of literature on hydrogel film materials (natural, synthetic, composite).
• Examination of fabrication techniques including solvent casting, photopolymerization, microfluidics, and 3D printing.
• Analysis of biomedical applications and recent advancements.

Main Results:

• Hydrogel films demonstrate versatility in wound healing, drug delivery, tissue engineering, ophthalmology, and biosensors.
• Innovations include stimuli-responsive properties, multi-drug loading, and integration with wearable electronics.
• Key challenges involve mechanical durability, sterilization, storage, regulatory approval, and scalable manufacturing.

Conclusions:

• Hydrogel films hold significant promise but require further research to overcome limitations.
• Future directions include AI-guided design, sustainable materials, and standardized, scalable fabrication for clinical use.