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Ideally ordered DNA nanopatterns have been formed by selectively opening holes in a barrier layer covering gold-filled anodic porous alumina, and then adsorbing thiolated DNA onto the exposed gold nanodisks. Fluorescence microscopy of fluorescent-dye-labeled thiolated DNA fixed on the gold-disk array confirms the selectivity of the process (see Figure).
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Matsumoto et al. (2005) studied this question.
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