Oxygen Delivery Biomaterials in Wound Healing Applications

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Wound Healing Research

Background:

• Chronic wounds pose significant challenges due to impaired healing mechanisms.
• Hypoxia (oxygen deficiency) is a major factor contributing to delayed wound healing and tissue damage.
• Oxygen delivery biomaterials offer a promising therapeutic strategy to address hypoxia in wound environments.

Purpose of the Study:

• To review various oxygen (O2) delivery biomaterials for chronic wound treatment.
• To discuss different sources of oxygen generation and carriers used in these biomaterials.
• To highlight the applications, challenges, and future directions of oxygen delivery biomaterials in wound healing.

Main Methods:

• Development of diverse O2 delivery systems, including polymer films, fibers, hydrogels, and nanocomposite hydrogels.
• Approaches such as encapsulating O2-releasing molecules and adsorbing O2-carrying reagents into biomaterial matrices.
• Utilizing various O2 generation sources like peroxides and microalgae, and O2 carriers like perfluorocarbons and hemoglobin.

Main Results:

• Oxygen delivery biomaterials improve cell viability, promote vascularization, and stimulate collagen synthesis.
• These materials effectively reduce hypoxia-induced tissue damage and exhibit antibacterial properties.
• Controlled and sustained oxygen release from biomaterials supports engineered tissue integration and host vascularization.

Conclusions:

• Oxygen delivery biomaterials are effective in promoting chronic wound healing by overcoming hypoxia.
• Continued research into novel O2 generation sources and biomaterial designs is essential.
• Addressing current challenges will pave the way for advanced clinical applications in regenerative medicine.