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(a) Comparison of the fluorescence signals originating from spotted biomolecules labelled with fluorescent dyes on ARChip Epoxy (glass) and flat and structured gold substrates coated with mercaptohexadecanoic acid/carbodiimide (MHA/EDC) or epoxy resin Epikote 157; (b) Example of microarray image scan comparing the two covalent binding chemistries on a nanostructured gold chip. Ursula Sauer, unpublished results.
