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Comparison of the scattered optical power at 488 nm wavelength for gold (Au), silver (Ag) and polystyrene (PS) nanoparticles measured on Astrios EQ in the forward (FSC) and sideward (SSC) direction. Power levels are plotted on a logarithmic scale. The Astrios EQ instrument collects particle scattering at multiple wavelengths allowing quantification of system noise which is color coded. This is not easily done using the FACS Symphony and hence it is not color coded.
