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| substrate | DNA quantity (pmol/array) | DNA surface density (pmol/cm2) |
|---|---|---|
| monopodal monohydroxyl | 3.1 ± 1.2 | 2.0 ± 0.8 |
| dipodal dihydroxyl | 6.5 ± 2.7 | 4.2 ± 1.7 |
| dipodal monohydroxyl | 7.6 ± 0.9 | 4.9 ± 0.6 |
Based on Cy3-labeled complementary DNA eluted from the array after a 2 h hybridization.
