Method for fixing antibody on the surface of medical instrument
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United States of America Patent
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Jan 29, 2013
Grant Date -
May 6, 2010
app pub date -
Oct 10, 2007
filing date -
May 23, 2007
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Abstract
A method for fixing antibody on the surface of medical instrument, mainly includes: 1) pre-treating the instrument surface; 2) preparing holes: preparing multicrystal phase structure which has same size holes in the surface of the instrument by chemical corrosion, electrochemical corrosion, anodic oxidation, micro-arc oxidation, micro-arc nitridation; 3) post-treating the instrument surface; 4) fixing the antibody: immerging the bare metal scaffold which has holes in surface into a buffer solution containing antibody, adjusting the pH value of the antibody buffer solution, fixing the antibody on the surface of the instrument by the attraction between positive and negative charge and hole effect; and 5) confirming the effectiveness of the fixed antibody by artificial simulation hemodynamics and detecting method of antibody activity in scaffold surface.
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