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. 2007 Feb 14;129(6):1524-5.
doi: 10.1021/ja0680820.

Fluorescent core-shell Ag@SiO2 nanocomposites for metal-enhanced fluorescence and single nanoparticle sensing platforms

Kadir Aslan  1 , Meng Wu, Joseph R Lakowicz, Chris D Geddes
Affiliations

Fluorescent core-shell Ag@SiO2 nanocomposites for metal-enhanced fluorescence and single nanoparticle sensing platforms

Kadir Aslan et al. J Am Chem Soc. .
No abstract available

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Figures

Figure 1.
Figure 1.
TEM images of Ag@SiO2. Panels A, B, C, and D show the samples with different thickness of the SiO2 coating at 35, 15, 11, and 2 nm (±1 nm), respectively. The diameter of the Ag is 130 ± 10 nm for all the samples.
Figure 2.
Figure 2.
Fluorescence emission intensity of Eu-TDPA-doped Ag@SiO2 and Rh800-doped Ag@SiO2 and from the corresponding fluorescent nanobubbles (control samples), Eu-TDPA-doped SiO2 and Rh800-doped SiO2. The diameter of the Ag is 130 ± 10 nm and the thickness of the shell is 11 ± 1 nm (optimized) for all the samples.
Figure 3.
Figure 3.
Scanning confocal images (20 μm × 20 μm) of (A) Alexa 647 Ag@SiO2, (B) Alexa 647@SiO2, (C) zoomed in version of that shown in panel B. Intensity counts in the scale were normalized to 1.
See this image and copyright information in PMC

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