Skip to main content
. 2021 May 17;19:143. doi: 10.1186/s12951-021-00883-8

Fig. 5.

Fig. 5

The cytotoxicity of MTX, Au @PDA-PEG-MTX and NIR + Au @PDA-PEG-MTX against MDA-MB-231 cells; b The cytotoxicity of MTX, Au @PDA-PEG-MTX and NIR + Au @PDA-PEG-MTX against MDA-MB-231 cells after 36, 48, 60 and 72 h when controlling the dosage at 15 µg/mL (*p < 0.05, **p < 0.01)