Figure 3.

The ratio of the silicon to silica integrated Raman intensities. The ratio of the Raman intensities as a function of nanoparticle concentration (in the initial gel preparation) for LH, LO and SO particles (red squares, blue dots and green triangles respectively). Unconstrained linear least-squares fits to each dataset are also shown (solid lines).

Amonkosolpan et al. Nanoscale Research Letters 2012 7:397   doi:10.1186/1556-276X-7-397
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