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November 29, 2004

Purdue researchers align nanotubes to improve artificial joints

Researchers at Purdue University have shown that artificial joints might be improved by making the implants out of tiny carbon tubes and filaments that are all aligned in the same direction, mimicking the alignment of collagen fibers and natural ceramic crystals in real bones.

The researchers already have shown in a series of experiments that bone cells in Petri dishes attach better to materials that possess smaller surface bumps than are found on conventional materials used to make artificial joints. The smaller features also stimulate the growth of more new bone tissue, which is critical for the proper attachment of artificial joints once they are implanted.

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Posted by thinkingmachine at November 29, 2004 06:51 PM

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