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The cell viability of SMMC-7721 cells incubated with HMSN, HPCF (A). The cell viability of SMMC-7721 cells incubated with DOX, DOX-HPC, DOX-HPC + NIR, DOX-HPCF, and DOX-HPCF + NIR for 48 h (B). Data represented as mean ± SD (n = 6). Confocal laser scanning microscopy (CLSM) images of SMMC-7721 cells treated with HPC and HPCF for 1 h, respectively (C). The fluorescence intensity of SMMC-7721 cells treated with HPC and HPCF (D).
