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Patterned colloidal Au films were assembled from aqueous solution onto photolithographed self-assembled monolayers of (3-mercaptopropyl) trimethoxysilane films on silica. The colloidal Au closely replicated the mask patterns. The self-assembly were through Au-S covalent bounding. The present approach may be applicable to assembly of microelectronic circuits and microbiosensors.
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Liu et al. (1997) studied this question.
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