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. Author manuscript; available in PMC: 2020 Jan 3.
Published in final edited form as: J Phys Chem B. 2002 Apr 25;106(21):5365–5370. doi: 10.1021/jp0134953

Figure 12.

Figure 12.

Comparison of two-photon induced emissions of CdS–PPS nanoparticles with 30 nM fluorescein at pH 11 (- - -). The dotted line (•••) is the optical density of CdS–PPS nanoparticles used in this experiment.