Figure 3.

Confocal images of AlPcSs (a), QDs (b) and AlPcS-QDs (c) in KB cells. Columns from left to right: (1) PL images detected in the 585- to 640-nm channel, (2) fluorescence images measured in the channel with a 670-nm long-pass filter, (3) DIC images and (4) merged images.

Li et al. Nanoscale Research Letters 2012 7:386   doi:10.1186/1556-276X-7-386
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