Engineering Minute

Engineering Minute – Spider Silk Repairs Broken Bones

Spider Silk Repairs Broken Bones

Researchers at University of Connecticut (UCONN) have created a spider silk composite that can be used in place of metal plates to repair broken bones. The biogradable material is made of fibroin, which is a protein found in spider and moth silk and is known for its strength. The fibroin is combined with polylactic acid fibers and packed in layers on a steel frame before being pressed into a bar. The bar would degrade after a year, preventing a second surgery to remove it. Read more about this silk composite at UCONN.

how the fibroin is laid into rods

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