Electrochemical treatment of surfaces
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United States of America Patent
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Sep 16, 1997
Issued Date -
N/A
app pub date -
Jul 18, 1996
filing date -
Apr 24, 1992
priority date (Note) -
Expired
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Abstract
A method of electrochemically patterning a surface comprises providing an electrolyte overlying the surface and an array of electrodes adjacent the surface and in contact with the electrolyte, and altering the potential of one or more electrodes of the array so as to deposit or remove or chemically modify a substance on the surface adjacent the electrode. Several such treatments can be performed in sequence, using different electrodes of the array. The method is particularly suitable for step-wise chemical synthesis e.g. of oligonucleotides or other oligomers tethered to the surface. Electrode arrays for use in the method are also claimed.
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