Figure 3.

Wide-field fluorescence image of the PCP complexes on 0.6-μm-diameter silica nanoparticles and their fluorescence intensity. (a) Wide-field fluorescence image of the PCP complexes deposited on silica nanoparticles with a diameter of 0.6 μm. Excitation wavelength was 480 nm. (b) Histogram of the fluorescence intensity calculated from the wide-field fluorescence image. (c) Cross section of the fluorescence intensity obtained along the black line 1 for the three nanoparticles shown in Figure 3a.

Krajnik et al. Nanoscale Research Letters 2013 8:146   doi:10.1186/1556-276X-8-146
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