Science News
from research organizations

Human scabs serve as inspiration for new bandage to speed healing

Date:
May 29, 2013
Source:
American Chemical Society
Summary:
Human scabs have become the model for development of an advanced wound dressing material that shows promise for speeding the healing process, scientists are reporting.
Share:
       
FULL STORY

Human scabs have become the model for development of an advanced wound dressing material that shows promise for speeding the healing process, scientists are reporting.

Their study appears in the journal ACS Applied Materials & Interfaces.

Shutao Wang and colleagues explain that scabs are a perfect natural dressing material for wounds. In addition to preventing further bleeding, scabs protect against infection and recruit the new cells needed for healing. Existing bandages and other dressings for wounds generally are intended to prevent bleeding and infections. Wang's team set out to develop a new generation of wound dressings that reduce the risk of infections while speeding the healing process.

They describe how research on the surface structure of natural scabs served as inspiration for developing a "cytophilic" wound dressing material. It attracts new cells needed for healing. The material mimics the underside of scabs, where tiny fibers are arranged in the same direction like velvet or a cat's fur. Wang's team spun fibers of polyurethane -- the common durable and flexible plastic -- into the same pattern. In laboratory experiments, the human cells involved in healing quickly attached to the membrane and lined up like those in actual scabs. The scientists conclude that this membrane "is of great potential in fabricating dressing materials for rapid wound healing, as well as other biomaterials, such as membrane for capturing circulating tumor cells, bone growth and constructing neural networks."

The authors acknowledge funding from the National Research Fund for Fundamental Key Projects, the National Natural Science Foundation, the Key Research Program of the Chinese Academy of Sciences and the China Postdoctoral Science Foundation.


Story Source:

The above post is reprinted from materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Yanli Xi, Hua Dong, Kang Sun, Hongliang Liu, Ruiming Liu, Yuansen Qin, Zuojun Hu, Yong Zhao, Fuqiang Nie, Shutao Wang. Scab-Inspired Cytophilic Membrane of Anisotropic Nanofibers for Rapid Wound Healing. ACS Applied Materials & Interfaces, 2013; 130514122034004 DOI: 10.1021/am4004683

Cite This Page:

American Chemical Society. "Human scabs serve as inspiration for new bandage to speed healing." ScienceDaily. ScienceDaily, 29 May 2013. <www.sciencedaily.com/releases/2013/05/130529111337.htm>.
American Chemical Society. (2013, May 29). Human scabs serve as inspiration for new bandage to speed healing. ScienceDaily. Retrieved August 2, 2015 from www.sciencedaily.com/releases/2013/05/130529111337.htm
American Chemical Society. "Human scabs serve as inspiration for new bandage to speed healing." ScienceDaily. www.sciencedaily.com/releases/2013/05/130529111337.htm (accessed August 2, 2015).

Share This Page: