4. Applications and outlook
Numerous applications are envisaged for these highly confined and intense sources. Although they offer the prospect of future developments, they are generally confined to research laboratories. The two most widely used properties are the electromagnetic field confinement effect (and consequently the associated exaltation) and the antenna effect, i.e. the coupling between the near field and the far field and vice versa.
4.1 Marking biological systems
The first application for metallic nanosources is the labeling of biological systems. Gold nanoparticles have been used in biology for over forty years. In recent years, their applications have increased dramatically thanks to advances in synthesis and functionalization. For example, the use...
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Applications and outlook
Conclusions
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