Sulfur-functionalized Diamond Powder Surface for Attachment of Gold and Biomolecules
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概要
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A useful method of modifying the surface of diamond powders with sulfur-containing functionalities was developed by the use of the photolysis of elemental sulfur. The sulfur-modified diamond powder exhibited a surface-attachment behavior to gold nanoparticles through the sulfur-containing linkage. In brief, the exposure of the modified diamond powders to gold colloids resulted in gold nanoparticles being attached to the diamond powders. The introduction of sulfur-containing functional groups and gold nanoparticles on the diamond surfaces was confirmed by means of XPS, DRIFT and mass spectroscopy analyses. Subsequently, the probe DNA attached onto the gold-modified diamond powder showed a DNA hybridization behavior by the treatment with a fluorescence-labeled target DNA oligonucleotide.
- 一般社団法人 日本MRSの論文
一般社団法人 日本MRS | 論文
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