An addressable electrode array was used for the production of acid at sufficient concentration to allow deprotection of the dimethoxytrityl (DMT) protecting group from an overlaying substrate bound to a porous reaction layer. Containment of the generated acid to an active electrode of 100 micron diameter was achieved by the presence of an organic base. This procedure was then used for the production of a DNA array, in which synthesis was directed by the electrochemical removal of the DMT group during synthesis. The product array was found to have a detection sensitivity to as low as 0.5 pM DNA in a complex background sample.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1762329 | PMC |
| http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0000034 | PLOS |
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