Heart of gold: Surface-enhanced fluorescence (SEF) is demonstrated with silica-coated gold nanoparticles (SHINEF) that act as “smart dust” on the surface of a Langmuir–Blodgett monolayer. Coating gold nanoparticles of different sizes and shapes opens a wide range of applications for SEF, where the shape of the core with an appropriate thickness of the coating can be tuned for specific tasks.
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Guerrero et al. (2010) studied this question.
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