Figure 3From: Quantum dot-aluminum phthalocyanine conjugates perform photodynamic reactions to kill cancer cells via fluorescence resonance energy transferConfocal 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.Back to article page