Fig. 4From: Doxorubicin-Loaded PEG-CdTe Quantum Dots as a Smart Drug Delivery System for Extramedullary Multiple Myeloma TreatmentMean fluorescence intensity in PRMI8226 by flow cytometry and growth inhibition of PRMI8266 cells with different treatments. Notes: a PEG-CdTe; b DOX; c PEG-CdTe-DOX; d the fluorescence intensity of DOX and PEG-CdTe-DOX compared to PEG-CdTe (**P < 0.01). e CCK-8 analysis of PRMI 8226 cells treated with PBS (control), PEG-CdTe, DOX, and PEG-CdTe-DOX at 24, 48, and 72 h (*P < 0.05)Back to article page