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Nano Convergence
Fig. 6 | Nano Convergence

Fig. 6

From: Current achievements of nanoparticle applications in developing optical sensing and imaging techniques

Fig. 6

a Confocal fluorescence images of Alexa 647 tagged Ag-SiO2 core–shell and silica nanoparticles. A significant fluorescence enhancement of the Ag-SiO2 core–shell nanoparticles was observed. This figure from [103] is re-printed with the permission of the American Chemical Society. b Fabrication process of aptamer-attached Au–Ag core–shell nanoparticles for high-sensitivity measurements of Hg(II). c Surface-enhanced Raman spectroscopic intensities and peak intensity ratio between Cy3 and polydimethylsiloxane, the main material of the microfluidic device, under various Hg(II) concentrations. This figure from [107] is re-printed with the permission of the Royal Society of Chemistry

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