Methods for removing ligands from a particle surface
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United States of America Patent
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Jan 3, 1995
Grant Date -
N/A
app pub date -
Apr 23, 1990
filing date -
Apr 23, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is provided for removing a second ligand from a particle surface without substantially affecting the particle surface, comprising the step of exposing the particle to a first ligand immobilized onto a support, wherein the particle is exposed under conditions and for a residence time sufficient to allow the second ligand to desorb from the particle surface, and wherein the first ligand has an affinity for the second ligand that is at least two orders of magnitude greater than the affinity of the second ligand for the particle surface, such that the second ligand is removed from the particle surface without substantially affecting the particle surface.
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