Quercetin nanocrystal-loaded alginate hydrogel patch for wound healing applications

Area of Science:

• Biomaterials Science
• Nanotechnology
• Pharmacology

Background:

• Delayed wound healing is a significant clinical challenge due to unfavorable physiological conditions.
• Existing treatments for wound repair have limitations, necessitating innovative therapeutic solutions.
• Phytochemicals like quercetin show promise for wound healing but suffer from poor solubility and bioavailability.

Purpose of the Study:

• To develop a novel hydrogel-based wound healing patch incorporating quercetin nanocrystals.
• To enhance quercetin solubility and achieve sustained drug release for improved therapeutic efficacy.
• To evaluate the in vivo efficacy of the quercetin nanocrystal hydrogel patch in promoting wound repair.

Main Methods:

• Synthesis of quercetin nanocrystals with controlled size (600-800 nm).
• Fabrication of a hydrogel patch incorporating the synthesized quercetin nanocrystals.
• Assessment of sustained quercetin release from the hydrogel patch.
• Evaluation of wound healing efficacy in rat and mouse models of skin wounds.

Main Results:

• Quercetin nanocrystals were successfully synthesized, exhibiting sustained release characteristics when embedded in the hydrogel patch.
• The hydrogel patch demonstrated significant in vivo wound repair capabilities in preclinical animal models.
• The sustained release of quercetin from the patch effectively reduced oxidative stress at the wound site.

Conclusions:

• A novel therapeutic hydrogel patch containing phytochemical-based nanocrystals (quercetin) has been successfully developed.
• The developed patch facilitates sustained quercetin release, enhancing its bioactivity and therapeutic potential for wound healing.
• This innovative approach shows promise for rapid and effective wound repair applications.