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Related Experiment Video

Updated: Jul 1, 2026

Application of Lucilia sericata Larvae in Debridement of Pressure Wounds in Outpatient Settings

Application of Lucilia sericata Larvae in Debridement of Pressure Wounds in Outpatient Settings

Published on: December 4, 2021

Sprayed low-temperature plasma-infused hydrogel dressing for skin-wound management.

Mo Chen¹, Qiujie Fang², Bingzheng Shen¹

¹Department of Biomedical Engineering, McGill University, Montreal, QC H3G 0B1, Canada; Rosalind & Morris Goodman Cancer Institute, McGill University, Montreal, QC H3G 0B1, Canada.

Med (New York, N.Y.)

|December 24, 2025

Summary

A novel sprayable hydrogel dressing infused with low-temperature plasma (LTP) effectively combats chronic wound infections and promotes healing. This innovative Ox@F127 dressing shows broad-spectrum antibacterial activity and enhances tissue regeneration in preclinical models.

Keywords:

bacterial infections chronic wound healing low-temperature plasma pre-clinical research sprayable hydrogel dressing

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Area of Science:

Biomaterials Science
Plasma Medicine
Regenerative Medicine

Background:

Chronic wounds like diabetic ulcers pose significant healthcare challenges due to infection, inflammation, and poor circulation.
Existing wound dressings often fall short in addressing these complex issues.
Advanced hydrogels face limitations including bacterial susceptibility and biocompatibility concerns.

Purpose of the Study:

To develop an innovative sprayable hydrogel dressing for effective chronic wound management.
To leverage low-temperature plasma (LTP) for enhanced antibacterial and wound-healing properties.

Main Methods:

A sprayable thermosensitive F127 hydrogel was infused with LTP-generated oxidizing species (Ox), creating the Ox@F127 dressing.
The efficacy of Ox@F127 was evaluated in various skin-wound models, including infected wounds in mice and diabetic minipigs.
RNA sequencing was employed to elucidate the mechanisms underlying wound healing promotion.

Main Results:

The Ox@F127 hydrogel dressing exhibited broad-spectrum antibacterial activity against E. coli and MRSA.
Significant acceleration of wound healing was observed in preclinical models.
Mechanistic studies revealed that Ox@F127 promotes extracellular matrix remodeling, collagen regeneration, angiogenesis, and epithelialization.

Conclusions:

The LTP-infused hydrogel dressing presents a simple yet effective strategy for managing chronic wounds.
This approach demonstrates considerable potential for safe and successful clinical translation.