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Updated: Mar 22, 2026

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Microalgae as a Novel Therapy for Chronic Wound Healing.
Saskia Pearl1, Yang Jae Kang2,3,4, Jungnam Cho1
1Department of Biosciences, Durham University, Durham, UK.
International Wound Journal
|March 21, 2026
Summary
Microalgae offer a sustainable solution for chronic wound healing by producing oxygen via photosynthesis. This approach, integrated with advanced delivery systems, enhances tissue regeneration and combats hypoxia, unlike traditional oxygen therapies.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Microbiology
Background:
- Chronic wounds present significant global health challenges due to inflammation, infection, and impaired regeneration.
- Existing oxygen therapies (hyperbaric, topical) have limitations in efficacy, cost, and sustained delivery.
- Microalgae present a biocompatible, sustainable alternative for oxygen production through photosynthesis.
Purpose of the Study:
- To review current advancements in microalgae-based strategies for chronic wound healing.
- To highlight photosynthesis-driven oxygen delivery systems for improved therapeutic outcomes.
- To explore the integration of microalgae with innovative delivery platforms.
Main Methods:
- Literature review of microalgae applications in wound healing.
- Analysis of various delivery platforms (hydrogels, scaffolds, microneedles, etc.).
- Examination of genetic engineering and 3D bioprinting in enhancing microalgae therapies.
Main Results:
- Microalgae-based systems effectively mitigate hypoxia, reduce infection, and modulate inflammation in wounds.
- Delivery platforms enhance microalgae integration and therapeutic efficacy.
- Photosynthesis-driven oxygen release offers sustained and localized therapeutic effects.
Conclusions:
- Microalgae represent a promising, sustainable source for oxygen delivery in chronic wound management.
- Integration with advanced biomaterials and bioprinting technologies amplifies therapeutic potential.
- Further research into microalgae-based wound healing holds significant promise for regenerative medicine.
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