Formation of nanoscale surfaces for the atttachment of biological materials
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United States of America Patent
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Issued Date -
Aug 9, 2007
app pub date -
Feb 9, 2007
filing date -
Feb 9, 2006
priority date (Note) -
Abandoned
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Abstract
An inhomogeneous surface is formed on a substrate, such as an orthopedic implant or other surface upon which cell growth is desired, by depositing a discontinuous coating of atoms on the substrate and etching the substrate. The difference in etch rates between the coating and the substrate will produce structures in the nanometer scale. Deposition and etch conditions can be chosen to create structures of a specific size to preferentially bind to specific biological materials.
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