Wednesday Apr 12, 2023

Healing Wounds Faster with the Body’s Own Motion

Have you ever had a wound that took a long time to heal? What if the bandage on your next wound could heal you faster by harnessing the power of your movement? Dr. Zong-Hong Lin and Dr. Snigdha Barman used their bioengineering expertise to create such a system. Their dressing uses embedded piezoelectric devices to convert the body’s motion into electricity, which powers multiple functions designed to overcome specific challenges of wound healing in clinical settings. The dressing, which can be worn continuously for several days, releases hydrogen peroxide to fight bacterial infection while using electrical stimulation to promote healing via cell proliferation, migration, and angiogenesis. We talked with Dr. Lin and Dr. Barman about the motivation for their work, the obstacles they overcame in developing their dressing, and the promises and challenges in its future application. This episode contains musical excerpts from “Drops of God” and “Dark Matter” by Rukudzo Kanyemba.

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