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A Novel Porous Glass To Regrow Bones

April 15th, 2010 Medgadget Editors Nanomedicine


Certainly not your everyday window glass. A multidisciplinary team of materials science researchers from Lehigh University, Princeton University, Instituto Superior Técnico in Lisbon, Portugal, and Alexandria University in Egypt, have developed a highly porous and biocompatible glass scaffold that regenerates bone. Shortly after implantation, seeded cells adhere to the scaffold and form a bone matrix around the glass. As the treated bone regenerates, the scaffold biodegrades.
Current materials used for scaffolds include polymers/hydrogels which are porous and biocompatible but floppy, ceramics which are porous but brittle, and other natural resources. The ideal scaffold should be osteoconductive and biodegradable at a rate which complements the growth of host tissue.
Next steps include making the glass more readily molded into complex shapes such as a tube, a finger or a mandible and clinical trials in humans. Areas that could benefit from this technology include osteoporosis, dental implants, and drug delivery.
Lehigh University press release: Glass helps damaged bone regenerate…
And pieces of the science: Glass Bone Matrix…

Medgadget Editors

Medical technologies transform the world! Join us and see the progress in real time. At Medgadget, we report the latest technology news, interview leaders in the field, and file dispatches from medical events around the world since 2004.

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